Spreadsheet: andy_zipper__112__mODEL 3 7 01 Base
Sheet: Physical Gas

COUNTERPARTY | COMMODITY-TYPE | EOL FLAG | TOTAL DEALS | 11/1/99 | 12/1/99 | 1/1/00 | 2/1/00 | 3/1/00 | 4/1/00 | 5/1/00 | 6/1/00 | 7/1/00 | 8/1/00 | 9/1/00 | 10/1/00 | 11/1/00 | 12/1/00 | 1/1/01 | 2/1/01 | 3/1/01
1981 Trust for MA's Grandchildren - Michael Scott Anderson | US GAS=PHYSICAL | N | 3 |  |  |  | 3
3TEC Energy Corporation | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  | 2 | 1 | 1 | 2
A&D Oil | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
ABB Alstom Power, Inc. | US GAS=PHYSICAL | N | 24 |  |  |  |  |  |  | 5 | 2 | 5 |  | 1 | 11
Aberfoyle Metal Treaters Ltd. | CANADIAN GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  | 6 | 1
ACN Energy, Inc. | US GAS=PHYSICAL | N | 44 |  |  |  |  |  |  |  |  |  |  |  |  | 9 | 27 | 4 | 4
ACN Power, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
ACN Power, Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
ACN Power, Inc. | US GAS=PHYSICAL | N | 16 |  |  |  |  | 1 | 1 |  |  |  | 8 | 2 | 4
Acock Engineering & Associates, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Adams Resources & Energy Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Adams Resources & Energy Inc. | US GAS=PHYSICAL | N | 30 |  |  |  |  |  | 1 | 1 | 1 | 7 | 3 | 6 | 1 | 2 | 7 | 1
Adams Resources Marketing, Ltd. | CANADIAN GAS=PHYSICAL | N | 5 |  |  | 1 |  | 1 |  | 3
Adams Resources Marketing, Ltd. | US GAS=PHYSICAL | N | 328 | 3 | 23 | 36 | 25 | 11 | 4 | 14 | 19 | 18 | 18 | 28 | 12 | 39 | 20 | 38 | 18 | 2
Adams Resources Marketing, Ltd. | US GAS=PHYSICAL | Y | 1978 |  | 21 | 12 | 32 | 115 | 87 | 66 | 184 | 114 | 130 | 173 | 225 | 323 | 139 | 125 | 215 | 17
Adonis Energy Corporation | US GAS=PHYSICAL | N | 25 | 1 | 2 | 4 | 15 | 3
Advanced Aromatics, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
AEC Marketing | CANADIAN GAS=PHYSICAL | N | 233 | 5 | 44 | 8 | 12 | 12 | 19 | 15 | 19 | 14 | 9 | 8 | 7 | 23 | 7 | 23 | 7 | 1
AEC Marketing | CANADIAN GAS=PHYSICAL | Y | 1628 |  | 24 | 208 | 142 | 144 | 88 | 79 | 165 | 25 | 89 | 118 | 112 | 159 | 89 | 121 | 65
AEC Marketing | US GAS=PHYSICAL | N | 23 |  | 2 |  | 8 |  | 1 | 8 | 1 |  |  |  | 2 |  | 1
AEC Marketing | US GAS=PHYSICAL | Y | 3 |  |  |  |  |  |  |  |  |  |  |  | 3
AEC Marketing (USA), Inc. | CANADIAN GAS=PHYSICAL | N | 15 |  |  | 2 | 4 | 4 | 1 | 3 |  |  | 1
AEC Marketing (USA), Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
AEC Marketing (USA), Inc. | US GAS=PHYSICAL | N | 49 |  | 2 |  | 4 | 6 | 2 | 4 | 6 | 1 | 2 | 2 | 3 | 5 | 4 | 6 | 2
AEC Marketing (USA), Inc. | US GAS=PHYSICAL | Y | 52 |  |  |  |  |  |  |  |  |  |  |  | 1 | 5 | 31 | 8 | 5 | 2
AEC Oil and Gas, a division of Alberta Energy Company Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
AEC Storage and Hub Services Inc. | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  | 3 |  | 2
AEC Storage and Hub Services Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  | 1 |  |  |  |  | 1 | 5
AEC Storage and Hub Services, a business unit of Alberta Energy Company Ltd | CANADIAN GAS=PHYSICAL | N | 46 | 3 | 7 | 11 | 3 | 8 | 1 | 3 | 5 |  | 1 | 3 | 1
AEC Storage and Hub Services, a business unit of Alberta Energy Company Ltd | CANADIAN GAS=PHYSICAL | Y | 311 |  |  | 19 | 23 | 18 | 25 | 40 | 36 | 7 | 21 | 33 | 43 | 15 | 6 | 22 | 3
AEC Storage and Hub Services, a business unit of Alberta Energy Company Ltd | US GAS=PHYSICAL | N | 22 |  | 11 | 2 | 2 |  | 4 | 2 |  |  |  |  | 1
AEC Storage and Hub Services, a business unit of Alberta Energy Company Ltd | US GAS=PHYSICAL | Y | 6 |  |  |  | 2 |  |  | 1 |  |  | 2 |  | 1
AEC West Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
AEP Energy Services Ltd | US GAS=PHYSICAL | N | 14 |  |  | 1 |  |  | 1 | 2 | 5 |  | 1 | 1 | 1 | 1 | 1
AEP Energy Services, Inc. | CANADIAN GAS=PHYSICAL | N | 15 |  | 6 | 3 |  | 1 | 1 |  |  |  |  |  | 4
AEP Energy Services, Inc. | CANADIAN GAS=PHYSICAL | Y | 21 |  |  |  |  |  |  |  |  |  |  | 2 | 14 | 2 | 1 |  | 2
AEP Energy Services, Inc. | US GAS=PHYSICAL | N | 874 | 9 | 52 | 88 | 72 | 95 | 132 | 101 | 40 | 38 | 16 | 18 | 66 | 32 | 35 | 35 | 45
AEP Energy Services, Inc. | US GAS=PHYSICAL | Y | 11881 |  | 28 | 161 | 174 | 182 | 124 | 226 | 730 | 858 | 1290 | 933 | 1322 | 1526 | 912 | 1571 | 1644 | 200
Agave Energy Company | US GAS=PHYSICAL | N | 14 |  |  |  | 2 | 1 | 6 |  |  | 3 |  |  |  | 2
AGL Energy Services | US GAS=PHYSICAL | N | 36 |  |  |  |  |  |  |  |  |  |  |  |  | 5 | 6 | 13 | 11 | 1
Air Liquide America Corporation | US GAS=PHYSICAL | N | 2 |  |  | 1 |  | 1
Air Products, Incorporated | US GAS=PHYSICAL | N | 4 |  |  |  | 1 | 1 |  |  |  |  |  | 1 |  |  | 1
AK Steel Corporation | US GAS=PHYSICAL | N | 13 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 4 | 7
Akzo Nobel Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Alabama Gas Corporation | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
Alabama Gas Corporation | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Alabama Gas Corporation | US GAS=PHYSICAL | N | 114 |  |  | 1 | 12 |  | 4 | 10 | 12 | 10 | 2 | 3 | 4 | 1 | 1 | 45 | 9
Alabama Power Company | US GAS=PHYSICAL | N | 29 |  |  | 1 | 4 | 1 | 2 | 1 | 6 | 1 | 5 | 1 | 1 | 1 | 2 | 2 | 1
Albemarle Corporation | US GAS=PHYSICAL | N | 10 |  | 1 |  | 1 |  | 1 | 1 | 1 | 1 |  |  |  | 1 | 1 | 1 | 1
Alberta Energy Company Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Alberta Energy Company Ltd. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Alberta Natural Gas Company Ltd. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3
Alcorn Interests, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Alimentos Modernos S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Allegheny Energy Service Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Allegheny Ludlum Corporation | US GAS=PHYSICAL | N | 5 |  | 1 | 1 | 1 |  |  |  |  |  |  |  | 1 |  | 1
AllEnergy Marketing Company, L.L.C. | US GAS=PHYSICAL | N | 2 |  |  | 2
Allerton Gas Company | US GAS=PHYSICAL | N | 7 |  |  |  | 1 |  | 2 |  |  |  |  | 1 | 1 |  | 1 |  | 1
Alliance Energy Management Inc. | US GAS=PHYSICAL | N | 2 |  | 1 |  |  |  | 1
Alliance Energy Services Partnership | US GAS=PHYSICAL | N | 58 |  | 2 | 5 | 11 | 2 | 1 | 4 |  |  | 1 |  |  | 1 | 15 | 8 | 8
Alliance Gas Services, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Alliance Pipeline LP | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Alliance Pipeline LP | US GAS=PHYSICAL | N | 48 |  |  |  |  |  |  |  |  |  |  | 8 | 26 | 14
Alliance Resources Corporation | US GAS=PHYSICAL | N | 12 |  | 1 |  | 1 |  |  |  |  |  |  |  | 1 | 1 | 2 | 4 |  | 2
Alliant Energy Corporate Services, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Alliant Energy Corporation | US GAS=PHYSICAL | N | 5 |  |  | 3 | 1 |  |  |  | 1
Alliant Energy Corporation | US GAS=PHYSICAL | Y | 309 |  |  | 41 | 67 | 65 | 51 | 30 | 19 | 34 | 2
Allied Natural Gas Producers ([NAME], Agent) | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Alpine Energy Co., Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
Alpine Resources, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1
AltaGas Services Inc. | CANADIAN GAS=PHYSICAL | Y | 715 |  |  | 33 | 42 | 52 | 43 | 60 | 137 | 71 | 87 | 61 | 35 | 13 | 10 | 34 | 29 | 8
AltaGas Services Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  | 1 |  |  |  |  |  |  | 2
AltaGas Services Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Altman Energy Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  | 1 |  |  |  | 2
Altra Streamline LLC | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 1 | 1
Altra Streamline LLC | US GAS=PHYSICAL | N | 24 |  |  | 1 | 1 | 5 | 3 | 5 | 8 |  |  |  | 1
Altrade Canada Inc. | CANADIAN GAS=PHYSICAL | N | 152 |  |  | 17 | 33 | 61 | 2 | 28 | 1 | 6 | 4
Altrade Canada Inc. | US GAS=PHYSICAL | N | 144 |  |  |  | 23 |  | 11 | 4 | 26 | 36 | 21 | 13 | 3 | 7
Altrade Energy System Corp. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  | 1 | 1 |  |  |  |  | 1
[NAME], L.L.C. | CANADIAN GAS=PHYSICAL | N | 4 |  | 1 |  |  |  | 1 |  |  |  |  |  | 2
[NAME], L.L.C. | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
[NAME], L.L.C. | US GAS=PHYSICAL | N | 6244 | 73 | 666 | 241 | 321 | 315 | 354 | 533 | 603 | 504 | 512 | 383 | 462 | 271 | 366 | 429 | 189 | 22
[NAME], L.L.C. | US GAS=PHYSICAL | Y | 10 |  |  |  |  |  |  |  |  |  |  |  | 10
Amerada Hess Corporation | US GAS=PHYSICAL | N | 86 |  | 1 |  | 2 | 10 | 13 | 12 | 10 | 1 | 5 | 5 | 8 | 3 | 5 | 5 | 5 | 1
Amerada Hess Corporation | US GAS=PHYSICAL | Y | 198 |  |  |  |  |  |  |  | 10 | 3 | 6 | 6 | 7 | 24 | 19 | 66 | 53 | 4
Amerada Hess Trading Company, a Division of Amerada Hess Corporation | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  | 5 | 1 | 3 | 3
Ameren Services Company | US GAS=PHYSICAL | N | 3 |  |  |  |  | 1 |  |  |  |  | 1 |  | 1
Ameren Services Company | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
American Central Energy, L.L.C. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
American Central Energy, L.L.C. | US GAS=PHYSICAL | N | 72 | 1 | 5 | 4 | 17 | 3 | 13 | 10 | 5 | 3 | 4 |  | 2 | 3 | 2
American Central Energy, L.L.C. | US GAS=PHYSICAL | Y | 109 | 2 | 2 | 1 | 43 | 48 | 13
American Central Gas Technologies, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  | 1 |  |  |  |  |  | 1 | 1 | 1
American Coastal Energy, Inc. | US GAS=PHYSICAL | N | 2 |  | 1 | 1
American Electric Power Company Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
American Petroel Services, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  | 2 |  |  |  |  |  |  |  | 1 |  |  | 1
American Refining and Exploration Company | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Ames Gas Gathering Company | US GAS=PHYSICAL | N | 3 |  | 1 |  | 1 |  |  | 1
Amoco Chemical Company | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 1 | 1 | 2 |  | 1
Anadarko Canada Corporation | CANADIAN GAS=PHYSICAL | N | 20 |  |  |  |  |  |  |  | 1 |  | 2 | 11 | 3 | 2 | 1
Anadarko Canada Corporation | CANADIAN GAS=PHYSICAL | Y | 300 |  |  |  |  |  | 3 |  | 2 | 4 | 11 | 56 | 100 | 48 | 23 | 36 | 16 | 1
Anadarko Canada Corporation | US GAS=PHYSICAL | N | 11 |  | 1 |  |  |  | 1 | 1 | 4 |  |  |  | 4
Anadarko Canada Corporation | US GAS=PHYSICAL | Y | 6 |  |  |  |  |  |  |  |  |  |  |  | 6
Anadarko Energy Services Company | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  |  |  |  | 1
Anadarko Energy Services Company | CANADIAN GAS=PHYSICAL | Y | 3 |  |  |  |  |  |  |  |  |  |  |  | 3
Anadarko Energy Services Company | US GAS=PHYSICAL | N | 387 | 1 | 31 | 27 | 30 | 21 | 34 | 17 | 18 | 25 | 28 | 32 | 22 | 35 | 26 | 18 | 19 | 3
Anadarko Energy Services Company | US GAS=PHYSICAL | Y | 1767 |  |  | 24 | 114 | 108 | 70 | 73 | 124 | 117 | 153 | 172 | 183 | 176 | 106 | 149 | 175 | 23
Anadarko Petroleum Corporation | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 | 1 | 1
Anadarko Petroleum of Canada, Ltd | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 2
[NAME] | CANADIAN GAS=PHYSICAL | N | 143 | 5 | 31 | 20 | 7 | 1 | 7 | 11 | 10 | 2 | 2 | 2 | 5 | 14 | 24 | 1 | 1
[NAME] | CANADIAN GAS=PHYSICAL | Y | 508 |  |  |  | 8 | 40 | 38 | 32 | 44 | 27 | 39 | 22 | 28 | 54 | 49 | 71 | 48 | 8
[NAME] | US GAS=PHYSICAL | N | 15 |  | 1 |  | 5 | 1 | 8
Anderson Exploration Ltd. | CANADIAN GAS=PHYSICAL | N | 45 |  |  |  |  | 1 |  |  |  |  | 1 | 2 |  | 5 | 10 | 16 | 10
[NAME], Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Angus Energy, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
ANP Marketing Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
ANP Marketing Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
ANP Marketing Company | US GAS=PHYSICAL | N | 67 |  |  |  |  |  |  |  |  |  | 2 |  |  | 17 | 10 | 20 | 16 | 2
ANR Pipeline Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 2
Apache Canada Ltd. | CANADIAN GAS=PHYSICAL | N | 65 |  | 10 | 1 |  |  |  | 16 | 20 | 7 | 5 |  |  | 2 | 3 | 1
Apache Canada Ltd. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
Apache Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1
Apache Marketing Inc | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
APS Energy Services Company, Inc. | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  |  | 1 |  |  |  |  | 12 | 5
Aquarius Gas Marketing, Inc. | US GAS=PHYSICAL | N | 22 |  | 5 | 1 | 4 | 7 | 4 | 1
Aquila Canada Corp. | CANADIAN GAS=PHYSICAL | N | 109 | 1 | 5 | 8 | 6 | 9 | 4 | 7 | 8 | 12 | 7 | 17 | 2 | 9 | 4 | 3 | 5 | 2
Aquila Canada Corp. | CANADIAN GAS=PHYSICAL | Y | 4366 | 3 | 84 | 262 | 143 | 183 | 172 | 373 | 405 | 426 | 477 | 721 | 270 | 439 | 92 | 129 | 177 | 10
Aquila Canada Corp. | US GAS=PHYSICAL | N | 62 | 1 | 3 | 2 | 8 | 19 | 9 | 4 | 3 |  | 3 | 5 | 5
Aquila Canada Corp. | US GAS=PHYSICAL | Y | 601 |  | 11 | 1 | 23 | 36 | 11 | 11 | 20 | 29 | 51 | 50 | 62 | 130 | 46 | 39 | 74 | 7
[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 2
[NAME] | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  | 1 |  | 1
Aquila Energy Corporation | US GAS=PHYSICAL | N | 2 |  |  | 2
Aquila Energy Gas Marketing | US GAS=PHYSICAL | N | 22 |  |  |  | 1 |  |  | 2 | 1 | 2 | 3 | 1 | 4 | 5 | 2 | 1
Aquila Energy Marketing Corporation | CANADIAN GAS=PHYSICAL | N | 35 |  | 1 | 6 | 2 | 8 |  | 4 | 3 | 5 | 1 |  | 5
Aquila Energy Marketing Corporation | CANADIAN GAS=PHYSICAL | Y | 4 |  |  |  |  |  |  | 2 |  |  |  |  | 2
Aquila Energy Marketing Corporation | US GAS=PHYSICAL | N | 1399 | 15 | 141 | 148 | 114 | 150 | 132 | 87 | 57 | 42 | 79 | 77 | 95 | 79 | 49 | 80 | 49 | 5
Aquila Energy Marketing Corporation | US GAS=PHYSICAL | Y | 21556 |  | 163 | 389 | 602 | 1079 | 855 | 976 | 1476 | 1478 | 1860 | 1869 | 1711 | 2731 | 1736 | 2123 | 2242 | 266
Aquila Risk Management Corporation | US GAS=PHYSICAL | Y | 7 |  |  |  |  |  |  |  |  |  |  | 1 |  | 6
[NAME], L.P. | US GAS=PHYSICAL | N | 79 | 1 | 7 | 10 | 18 | 12 | 5 |  |  | 1 | 19 | 1 |  | 4 | 1
Aransas Drilling & Workover Company, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 1 | 1
Arcadia Energy Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1
Archer Daniels Midland Company, Inc. | US GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  | 1
ARCO Permian | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
ARCO Permian | US GAS=PHYSICAL | N | 5 |  | 2 | 1 |  | 2
ARCO Products Company | CANADIAN GAS=PHYSICAL | N | 9 |  |  |  | 1 |  | 1 | 7
ARCO Products Company | US GAS=PHYSICAL | N | 2 |  | 2
Aries Petroleum Corporation, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Aristech Chemical Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 |  | 2
Arizona Power Authority | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Arizona Power Authority | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Arizona Public Service Company | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 2 |  |  |  |  | 1
Arizona Public Service Company | US GAS=PHYSICAL | N | 225 |  | 2 | 9 | 9 | 6 | 18 | 19 | 10 | 10 | 20 | 13 | 19 | 25 | 18 | 14 | 30 | 3
Arizona Public Service Company | US GAS=PHYSICAL | Y | 303 |  |  |  |  |  |  |  |  |  | 1 | 3 | 4 | 31 | 91 | 80 | 83 | 10
Arkansas Electric Cooperative Corporation | US GAS=PHYSICAL | N | 7 |  | 1 |  |  | 1 | 4 |  |  |  |  |  |  |  |  |  |  | 1
Arlington Storage Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Armstrong Petroleum Corporation | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Armstrong World Industries Canada Ltd. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
Asher Resources | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Ashland Chemical Company | CANADIAN GAS=PHYSICAL | N | 5 |  | 2 |  | 1 | 1 |  |  |  |  |  |  | 1
Ashland Chemical Company | US GAS=PHYSICAL | N | 282 |  | 2 | 29 | 32 | 26 | 26 | 23 | 17 | 16 | 36 | 14 | 13 | 13 | 10 | 19 | 6
Ashland Distribution Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 2
Ashland Incorporated | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Ashland Specialty Chemicals Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 |  |  |  |  | 2
Ashland Specialty Chemicals Company | US GAS=PHYSICAL | Y | 615 |  | 9 | 8 | 21 | 31 | 34 | 17 | 42 | 20 | 29 | 50 | 69 | 91 | 83 | 46 | 60 | 5
Aspect Resources, LLC | US GAS=PHYSICAL | N | 11 |  |  | 2 |  |  |  |  |  |  | 2 |  |  | 2 | 2 | 3
Astra Power, LLC | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  |  |  |  | 1 |  | 1 |  | 1 | 6 | 8 | 1
Astra Power, LLC | US GAS=PHYSICAL | Y | 299 |  |  |  | 1 | 2 |  | 31 | 37 | 65 | 19 | 4 | 25 | 23 | 24 | 23 | 37 | 8
Atasca Resources, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  | 4
Atco Gas and Pipelines Ltd. | CANADIAN GAS=PHYSICAL | N | 11 |  |  |  |  |  |  | 2 |  |  |  |  | 1 |  | 8
ATCO Midstream Ltd. | CANADIAN GAS=PHYSICAL | N | 4 |  |  |  |  |  |  | 2 |  |  |  |  | 1 |  | 1
ATCO Midstream Ltd. | CANADIAN GAS=PHYSICAL | Y | 221 |  |  |  |  |  |  |  |  |  |  |  | 3 | 147 | 39 | 16 | 10 | 6
Atlanta Gas Light Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Atlanta Gas Light Company | US GAS=PHYSICAL | N | 82 |  |  | 3 | 1 |  | 1 | 1 | 2 | 11 | 5 | 5 | 8 | 12 | 22 | 8 | 3
Atmos Energy Corporation | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18
Atofina Petrochemicals, Inc. | US GAS=PHYSICAL | N | 2 |  | 1 | 1
Auburndale Power Partners LP | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Aurora Natural Gas, LLC | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  | 1
Aurora Natural Gas, LLC | US GAS=PHYSICAL | N | 184 | 1 | 36 | 14 | 20 | 18 | 38 | 53 | 3 |  |  |  |  | 1
Aurora Resources Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  | 3
Austin, City Of | US GAS=PHYSICAL | N | 41 |  | 9 | 13 | 7 | 11 | 1
Aviara Energy Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Avista Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Avista Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
Avista Energy, Inc. | CANADIAN GAS=PHYSICAL | N | 88 |  | 8 | 1 | 2 | 10 | 3 | 6 | 7 | 7 | 1 | 3 | 7 | 4 | 2 | 14 | 13
Avista Energy, Inc. | CANADIAN GAS=PHYSICAL | Y | 1268 |  | 23 | 41 | 114 | 116 | 39 | 134 | 124 | 31 | 72 | 102 | 58 | 101 | 97 | 114 | 86 | 16
Avista Energy, Inc. | US GAS=PHYSICAL | N | 133 | 1 | 9 | 22 | 4 | 14 | 5 | 2 | 4 | 7 | 9 | 6 | 11 | 5 | 21 | 8 | 3 | 2
Avista Energy, Inc. | US GAS=PHYSICAL | Y | 669 |  | 7 | 3 | 7 | 24 | 17 | 23 | 77 | 68 | 45 | 43 | 11 | 134 | 69 | 98 | 38 | 5
Axel Johnson Energy Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Axia Energy, LP | US GAS=PHYSICAL | N | 22 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 22
Axia Energy, LP | US GAS=PHYSICAL | Y | 832 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 745 | 87
Axis Energy Corporation | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Azog, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
B&B Petroleum | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
B&J Drilling Co., Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Badak Gas Marketing, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Badger Oil & Gas Company, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Bagley S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Baiden Gas Company | US GAS=PHYSICAL | N | 8 |  |  |  | 2 |  |  |  |  |  |  |  |  |  | 2 | 4
Baltimore Gas and Electric Company | US GAS=PHYSICAL | N | 91 | 1 |  | 4 | 1 | 3 | 10 | 4 | 1 | 3 | 1 | 3 | 11 | 3 | 4 | 28 | 9 | 5
Bands Company, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Bargo Energy Company | US GAS=PHYSICAL | N | 2 |  | 1 | 1
[NAME] | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 | 1 |  |  |  |  |  | 2 |  | 1
Barrett Resources Corporation | CANADIAN GAS=PHYSICAL | N | 118 |  | 12 | 12 | 6 | 36 |  | 14 | 7 | 4 | 2 | 3 |  | 7 | 12 | 2 |  | 1
Barrett Resources Corporation | CANADIAN GAS=PHYSICAL | Y | 238 |  |  | 5 | 1 | 54 | 22 | 21 | 33 | 13 | 16 | 8 | 3 | 7 | 13 | 12 | 30
Barrett Resources Corporation | US GAS=PHYSICAL | N | 358 | 2 | 22 | 20 | 24 | 37 | 47 | 33 | 30 | 23 | 4 | 7 | 18 | 34 | 34 | 17 | 6
Barrett Resources Corporation | US GAS=PHYSICAL | Y | 738 |  |  | 11 | 39 | 104 | 94 | 42 | 33 | 27 | 28 | 7 | 11 | 101 | 117 | 54 | 68 | 2
Base Petroleum, Inc. | US GAS=PHYSICAL | N | 9 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 3 | 3 |  | 2
BASF Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Basin Exploration, Inc. | US GAS=PHYSICAL | N | 28 |  | 1 | 1 | 1 | 1 | 4 | 2 | 1 | 1 | 1 | 2 | 5 | 2 | 2 | 4
Bass Enterprises Production Company | US GAS=PHYSICAL | N | 5 |  |  |  | 1 | 2 |  |  |  |  |  |  |  |  | 1 |  | 1
Bates, [NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Bay State Gas Company | US GAS=PHYSICAL | N | 74 |  |  | 1 |  | 34 | 17 | 5 | 1 | 2 | 6 | 1 | 1 | 3 | 2 |  | 1
Bayer Corporation | US GAS=PHYSICAL | N | 21 |  | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 2 | 2 | 2
Bayer Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Bayou South Gas Gathering Company, L.C. | US GAS=PHYSICAL | N | 13 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 | 1 | 1
Bayou South Gas Gathering Company, L.C. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Baytex Energy Ltd. | CANADIAN GAS=PHYSICAL | Y | 168 |  | 13 | 6 | 8 | 13 | 14 | 8 | 6 | 2 | 12 | 9 | 8 | 27 | 18 | 8 | 13 | 3
Baytex Energy Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
BC Gas Utility Ltd. | CANADIAN GAS=PHYSICAL | N | 432 | 1 | 13 | 30 | 23 | 39 | 10 | 39 | 38 | 45 | 64 | 49 | 30 | 11 | 14 | 9 | 17
BC Gas Utility Ltd. | CANADIAN GAS=PHYSICAL | Y | 272 |  |  |  |  |  |  |  |  | 5 | 35 | 13 | 45 | 26 | 33 | 59 | 53 | 3
BC Gas Utility Ltd. | US GAS=PHYSICAL | N | 103 | 2 | 22 | 2 | 22 | 2 | 12 | 11 | 3 | 6 | 1 |  | 9 | 2 | 2 | 7
BC Gas Utility Ltd. | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Bearspaw Petroleum Ltd. | CANADIAN GAS=PHYSICAL | N | 23 |  |  |  |  |  | 1 | 2 | 3 | 1 | 1 | 3 | 1 | 3 | 5 |  | 2 | 1
Bearspaw Petroleum Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Beau Canada Exploration Ltd. | CANADIAN GAS=PHYSICAL | N | 7 |  | 1 |  |  |  |  | 1 | 1 |  | 3 | 1
Beau Canada Exploration Ltd. | CANADIAN GAS=PHYSICAL | Y | 182 |  | 16 | 22 | 18 | 20 | 12 | 17 | 22 | 18 | 13 | 7 | 12 | 3 |  | 2
Beau Canada Exploration Ltd. | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  | 1
Beaumont Methanol Limited Partnership | US GAS=PHYSICAL | N | 26 |  |  | 5 | 6 |  | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 3 |  |  | 2
Beaver Valley Gas | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Beck Energy Corporation | US GAS=PHYSICAL | N | 2 |  |  | 1 |  | 1
Belco Energy Corp. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Belco Operating Corp. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 2
Belden & Blake Corporation | US GAS=PHYSICAL | N | 36 |  |  | 1 | 2 | 1 | 2 | 4 | 1 |  |  |  | 2 |  | 7 | 11 | 5
Bellwether Exploration Company | US GAS=PHYSICAL | N | 1 |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Berkley Petroleum Corp. | CANADIAN GAS=PHYSICAL | N | 45 |  | 4 | 13 | 2 | 2 |  | 4 | 3 | 5 | 3 | 2 | 1 | 5 |  |  | 1
Berkley Petroleum Corp. | CANADIAN GAS=PHYSICAL | Y | 40 | 1 | 6 | 2 | 2 | 5 | 1 | 2 | 5 | 10 | 2 |  |  | 1 | 1 |  | 2
Bethel Oil & Gas | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
Bethlehem Steel Corporation | US GAS=PHYSICAL | N | 19 |  | 1 | 1 |  | 1 | 1 |  |  |  |  |  |  |  |  | 11 | 4
Bettis, Boyle & Stovall, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 | 1 |  |  |  | 1 |  |  |  | 1 | 2 |  | 1
[NAME], Agent | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
BGML - FT Bridgeline | US GAS=PHYSICAL | N | 32 |  |  |  | 6 | 26
BGML - FT Bridgeline | US GAS=PHYSICAL | Y | 24 |  |  |  |  | 24
BGML - IM Bridgeline | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
BGML - IM Bridgeline | US GAS=PHYSICAL | N | 344 |  |  |  | 3 | 11 | 30 | 42 | 15 | 63 | 61 | 19 | 20 | 27 | 22 | 9 | 19 | 3
BGML - IM Bridgeline | US GAS=PHYSICAL | Y | 3151 |  |  |  | 1 | 68 | 126 | 153 | 295 | 225 | 268 | 265 | 255 | 396 | 335 | 371 | 339 | 54
BiJoe Development, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Birchill | CANADIAN GAS=PHYSICAL | N | 48 |  |  |  |  |  | 5 | 20 | 23
Birchill | US GAS=PHYSICAL | N | 27 |  |  | 1 | 13 | 12 | 1
Birchill Resources Limited | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Bishop Petroleum Inc. | US GAS=PHYSICAL | N | 14 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 | 1 | 1 | 1 | 1
BJD-ESS Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  | 2 |  |  |  |  |  |  | 2
Black Hawk Oil Company | US GAS=PHYSICAL | N | 8 |  | 1 |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Black Hills Energy Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 15 |  | 7 | 8
Black Hills Energy Resources, Inc. | US GAS=PHYSICAL | N | 6 |  | 1 |  | 5
Blackhawk Energy Services, LLC | US GAS=PHYSICAL | N | 22 | 1 | 19 |  |  | 2
Blacksburg Natural Gas | US GAS=PHYSICAL | N | 3 |  |  |  |  |  | 3
Blacksburg, Town Of | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Blauser Well Service, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Blauser Well Service, Inc. | US GAS=PHYSICAL | N | 9 |  |  |  |  | 3 |  |  |  |  | 1 |  | 1 | 1 | 1 | 2
Bluebird Energy, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Blunt Run Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Boaz Gas Board | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Bombardier Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 1
Bonavista Petroleum Ltd. | CANADIAN GAS=PHYSICAL | N | 8 |  |  |  |  | 1 |  |  |  |  |  |  |  | 4 | 1 | 2
Boonville Natural Gas Corp., The | US GAS=PHYSICAL | N | 10 |  |  | 1 |  | 3 | 2 | 2 |  |  |  |  |  |  |  |  | 2
Borden Chemicals and Plastics Limited Partnership | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Boston Gas Company | US GAS=PHYSICAL | N | 29 | 3 |  | 10 | 16
Bounty Developments Ltd. | CANADIAN GAS=PHYSICAL | N | 71 |  |  |  |  |  |  |  | 1 |  |  |  | 3 | 15 | 19 | 16 | 15 | 2
Bowie, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 | 1
Bowie, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Boyd & Shriver, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
BP Amoco Corporation | CANADIAN GAS=PHYSICAL | N | 11 |  |  | 1 |  | 2 |  | 1 | 3 |  |  |  | 2 |  |  | 1 | 1
BP Amoco Corporation | CANADIAN GAS=PHYSICAL | Y | 15 |  |  |  |  |  |  |  | 15
BP Amoco Corporation | US GAS=PHYSICAL | N | 44 |  | 1 | 1 | 1 | 2 | 1 | 3 | 1 |  | 3 | 6 | 4 |  | 8 | 13
BP Amoco Corporation | US GAS=PHYSICAL | Y | 4 |  |  |  |  |  |  |  |  |  | 2 | 2
BP Canada Energy Company | CANADIAN GAS=PHYSICAL | N | 144 | 3 | 11 | 8 | 5 | 6 | 6 | 6 | 7 | 5 | 6 | 12 | 14 | 20 | 4 | 16 | 15
BP Canada Energy Company | CANADIAN GAS=PHYSICAL | Y | 3037 |  | 5 | 4 |  | 6 | 113 | 406 | 443 | 661 | 388 | 300 | 153 | 63 | 106 | 249 | 124 | 16
BP Canada Energy Company | US GAS=PHYSICAL | N | 18 |  | 2 | 1 | 4 |  | 3 |  | 2 |  |  | 1 | 2 |  | 2 | 1
BP Canada Energy Company | US GAS=PHYSICAL | Y | 162 |  |  |  |  |  |  |  |  |  | 4 | 5 | 7 | 22 | 32 | 68 | 19 | 5
BP Canada Energy Marketing Corp. | CANADIAN GAS=PHYSICAL | N | 6 |  |  | 1 |  | 1 |  |  |  |  |  |  |  |  | 2 |  | 2
BP Canada Energy Marketing Corp. | US GAS=PHYSICAL | N | 11 |  |  |  | 3 | 2 | 1 |  | 1 |  |  |  | 3 | 1
BP Canada Energy Marketing Corp. | US GAS=PHYSICAL | Y | 91 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 59 | 27 | 4
BP Energy Company | CANADIAN GAS=PHYSICAL | N | 4 |  | 1 |  | 1 | 2
BP Energy Company | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  | 1 |  |  |  |  |  |  | 1
BP Energy Company | US GAS=PHYSICAL | N | 843 | 4 | 55 | 47 | 65 | 85 | 50 | 74 | 60 | 56 | 45 | 26 | 44 | 59 | 24 | 80 | 60 | 9
BP Energy Company | US GAS=PHYSICAL | Y | 5097 |  | 19 | 9 | 69 | 126 | 120 | 184 | 221 | 254 | 432 | 249 | 501 | 598 | 659 | 678 | 856 | 122
BP Exploration & Oil Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Bradco Energy, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
Bradco Oil Company | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  | 1 |  |  | 1 | 1 | 1 | 1 | 2 | 3 |  | 2
Brandywine Industrial Gas Inc. | US GAS=PHYSICAL | N | 6 |  |  | 2 |  | 1 | 3
Bravo Natural Resources, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Braxton Oil & Gas Corporation | US GAS=PHYSICAL | N | 14 |  |  |  |  | 2 |  |  |  |  | 1 |  | 1 | 1 | 4 | 3 |  | 2
Brazos Electric Power Cooperative, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Brewer, WE and [NAME] | US GAS=PHYSICAL | N | 8 |  |  | 2 | 2 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
BRG Petroleum Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Bridgeline Gas Marketing LLC | US GAS=PHYSICAL | N | 13 |  |  |  | 3 | 5 |  |  |  | 2 | 1 |  |  |  |  | 2
Bridgeline Holdings, L.P. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Bristol Resources Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
Brock Oil & Gas Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Brooklyn Navy Yard Co-Generation Partners, LP | US GAS=PHYSICAL | N | 4 |  |  | 3 |  | 1
Brooklyn Union Gas Company, The | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Brooklyn Union Gas Company, The | US GAS=PHYSICAL | N | 118 |  |  |  |  |  |  | 5 | 14 |  | 4 | 19 | 29 | 15 | 29 | 2 | 1
Brooklyn Union Gas Company, The | US GAS=PHYSICAL | Y | 113 |  |  |  |  |  | 2 | 12 | 5 |  | 23 | 7 | 6 | 14 | 32 | 12
Brooklyn Union of Long Island | US GAS=PHYSICAL | N | 4 |  |  |  |  |  | 1 |  |  |  | 3
Brooklyn Union of Long Island | US GAS=PHYSICAL | Y | 9 |  |  |  |  |  |  |  |  |  | 2 | 2 | 2 |  | 1 |  | 2
Brown, George R Partnership | US GAS=PHYSICAL | N | 16 |  | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 |  | 1 | 1 | 1 | 1
Brown, George R Partnership | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Brown, [NAME] | US GAS=PHYSICAL | N | 1 | 1
Brymer Contracting Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  | 3
BTA Oil Producers | US GAS=PHYSICAL | N | 2 |  |  |  | 2
Buckeye Oil Producing Company | US GAS=PHYSICAL | N | 11 |  |  | 2 |  |  |  |  |  |  |  |  |  |  | 3 | 3 |  | 3
Buckley Oil Company, Inc. | US GAS=PHYSICAL | N | 17 |  |  |  | 5 |  |  |  |  |  |  |  |  |  | 3 | 6 |  | 3
Buffco Production, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  | 1 |  | 1
Burgher Enterprises, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Burlington Resources Canada Energy Ltd. | CANADIAN GAS=PHYSICAL | N | 57 |  | 1 | 8 |  | 4 | 1 | 2 |  |  |  | 2 | 2 | 5 | 19 | 2 | 8 | 3
Burlington Resources Canada Energy Ltd. | CANADIAN GAS=PHYSICAL | Y | 33 |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 13 | 16
Burlington Resources Canada Energy Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Burlington Resources Inc. | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  | 3 |  | 2
Burlington Resources Inc. | US GAS=PHYSICAL | N | 16 |  |  |  |  |  | 1 | 3 | 2 |  | 1 |  | 2 | 3 | 3 |  | 1
Burlington Resources Trading Inc. | CANADIAN GAS=PHYSICAL | N | 6 |  |  | 1 | 2 | 2 |  |  |  | 1
Burlington Resources Trading Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Burlington Resources Trading Inc. | US GAS=PHYSICAL | N | 364 | 1 | 16 | 26 | 28 | 42 | 30 | 37 | 40 | 30 | 41 | 21 | 22 | 7 | 7 | 8 | 6 | 2
Burlington Resources Trading Inc. | US GAS=PHYSICAL | Y | 102 |  |  |  |  |  |  |  |  |  | 4 | 26 | 26 | 14 | 16 | 3 | 11 | 2
C & M Operating | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  | 4 |  |  | 1 | 2 |  | 1
C E Richner | US GAS=PHYSICAL | N | 5 |  |  |  |  | 3 |  |  |  |  |  |  | 1 |  | 1
C&E Operating, Inc. | US GAS=PHYSICAL | N | 9 |  |  |  |  |  |  |  |  |  |  | 2 | 1 | 2 | 1 | 2 |  | 1
C&L Petroleum Co., Inc. | US GAS=PHYSICAL | N | 7 |  |  |  | 1 | 2 | 3 |  |  | 1
C&L Petroleum Services Company | US GAS=PHYSICAL | N | 3 |  |  |  | 1 | 1 | 1
C.I. McKown and Son, Inc. | US GAS=PHYSICAL | N | 6 |  |  |  |  | 5 |  |  |  |  |  |  |  |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
Cabot Oil & Gas Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Cabot Oil & Gas Marketing Corporation | CANADIAN GAS=PHYSICAL | N | 6 |  |  |  | 1 |  |  | 5
Cabot Oil & Gas Marketing Corporation | US GAS=PHYSICAL | N | 70 |  | 2 |  | 2 | 1 | 1 | 27 | 14 | 2 | 4 | 2 | 1 | 4 | 3 | 4 | 2 | 1
Cabot Oil & Gas Marketing Corporation | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Cabre Exploration Ltd. | CANADIAN GAS=PHYSICAL | N | 12 |  |  |  |  | 6 |  | 1 | 2 |  | 2 |  |  |  | 1
Cage Gas Services | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  | 1
Cage Gas Services | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
California Energy Hub, a division of Southern California Gas Company | CANADIAN GAS=PHYSICAL | N | 48 |  | 1 | 6 | 6 | 3 | 2 | 2 | 18 | 10
California Energy Hub, a division of Southern California Gas Company | US GAS=PHYSICAL | N | 68 |  | 2 | 7 | 10 | 4 | 9 | 2 | 3 | 2 | 4 |  | 7 |  | 3 | 15
Calpine Energy Services, L.P. | US GAS=PHYSICAL | N | 47 |  |  |  |  |  |  |  | 1 |  |  |  |  | 9 | 15 | 10 | 12
Calpine Energy Services, L.P. | US GAS=PHYSICAL | Y | 425 |  |  |  |  |  |  |  | 18 | 3 | 3 | 6 | 14 | 95 | 98 | 83 | 96 | 9
Calpine Fuels Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Calpine [NAME], Corporation | US GAS=PHYSICAL | N | 18 | 1 |  |  |  |  |  |  |  | 3 | 2 | 1 |  |  |  | 8 | 3
Calpine Natural Gas Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 |  |  |  |  |  | 1
Camden Cogen L.P. | US GAS=PHYSICAL | N | 5 |  |  | 5
Camerick Gas Processing Company, L.L.C. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  | 2 | 1
Cameron Oil & Gas Company | US GAS=PHYSICAL | N | 13 |  |  |  |  | 3 |  |  |  |  |  |  | 1 | 1 | 4 | 2 |  | 2
Campbells Creek Gas Company | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
Canadian Fertilizers Ltd. | CANADIAN GAS=PHYSICAL | N | 39 | 2 | 9 | 11 | 10 | 6 |  | 1
Canadian Fertilizers Ltd. | US GAS=PHYSICAL | N | 16 |  |  |  | 7 |  | 9
Canadian Hunter Exploration Ltd. | CANADIAN GAS=PHYSICAL | N | 102 | 7 | 54 | 14 | 5 | 8 | 1 | 3 | 4 |  | 2 | 2 |  |  |  | 2
Canadian Hunter Exploration Ltd. | CANADIAN GAS=PHYSICAL | Y | 141 | 1 | 13 | 7 | 2 | 1 | 2 | 4 | 3 | 18 | 6 | 20 | 2 | 6 |  | 26 | 30
Canadian Hunter Exploration Ltd. | US GAS=PHYSICAL | N | 145 | 1 | 13 | 1 | 23 | 23 | 20 |  |  | 8 | 22 | 16 | 18
Canadian Hunter Exploration Ltd. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Canadian Imperial Bank of Commerce | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 1 | 1
Canadian Imperial Bank of Commerce | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  | 1 | 1
Canadian Natural Resources | CANADIAN GAS=PHYSICAL | N | 25 |  |  |  |  |  |  |  |  |  | 8 | 1 | 2 | 7 |  | 5 | 2
Canadian Natural Resources | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Canadian Natural Resources Ltd. | CANADIAN GAS=PHYSICAL | N | 17 |  |  | 6 | 2 |  |  |  |  |  |  |  | 2 |  | 1 | 6
CanFibre of Riverside, Inc. | US GAS=PHYSICAL | N | 6 |  | 1 | 2 | 1 | 1 |  |  | 1
Cannon Interests Houston | US GAS=PHYSICAL | N | 10 |  |  |  | 4 | 3 |  | 1 |  |  | 2
Canwest Gas Supply Inc. | CANADIAN GAS=PHYSICAL | N | 77 | 1 | 13 | 23 | 2 | 11 | 4 | 1 | 2 | 10 | 4 | 2 | 4
Canwest Gas Supply Inc. | CANADIAN GAS=PHYSICAL | Y | 69 |  |  |  | 1 | 4 | 3 | 12 | 10 | 26 | 12 |  |  |  | 1
Canwest Gas Supply Inc. | US GAS=PHYSICAL | N | 9 |  |  |  | 7 |  | 2
Cardinal Natural Fuel, Co., Inc. | US GAS=PHYSICAL | N | 8 |  |  |  | 4 |  |  |  |  |  |  |  |  |  | 4
Cardinalis Petroleum Company | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  | 2
Cargill Energy Trading Canada, Inc. | CANADIAN GAS=PHYSICAL | N | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 5 | 3
Cargill Energy Trading Canada, Inc. | CANADIAN GAS=PHYSICAL | Y | 182 |  |  |  |  |  |  |  |  |  |  |  |  | 160 | 15 | 3 | 4
Cargill Energy Trading Canada, Inc. | US GAS=PHYSICAL | N | 36 |  | 4 | 4 |  | 1 | 2 | 1 | 6 | 9 | 3 | 2 | 3 |  | 1
Cargill Energy Trading Canada, Inc. | US GAS=PHYSICAL | Y | 103 |  |  |  |  |  |  |  | 2 | 4 | 2 | 7 | 37 | 25 | 21 |  | 5
Cargill Energy, a division of Cargill, Incorporated | US GAS=PHYSICAL | N | 69 | 2 |  |  | 5 | 1 | 4 | 4 | 3 | 8 | 2 | 4 | 8 | 7 | 8 | 9 | 3 | 1
Cargill Energy, a division of Cargill, Incorporated | US GAS=PHYSICAL | Y | 761 |  |  |  |  |  |  |  | 91 | 79 | 43 | 22 | 103 | 38 | 91 | 48 | 196 | 50
Cargill, Incorporated | CANADIAN GAS=PHYSICAL | N | 2 |  | 2
Cargill, Incorporated | US GAS=PHYSICAL | N | 8 |  |  |  | 3 | 1 | 1 |  |  |  | 2 |  |  | 1
Carolina Power & Light Company | US GAS=PHYSICAL | N | 20 |  |  |  |  |  | 3 | 3 | 5 | 1 | 1 | 3 | 1 |  | 2 | 1
Carrack Energy Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Carrera Gas Company, L.L.C. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1
Carrizo Oil & Gas, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Carter Oil & Gas, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  | 3
Carthage Energy Services, Inc. | US GAS=PHYSICAL | N | 19 |  |  | 2 | 4 |  | 3 | 7 |  |  |  | 3
Cascade Natural Gas Co. | US GAS=PHYSICAL | N | 4 |  | 1 | 1 | 1 | 1
Casco Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  | 2 |  | 1 | 1
Case-Pomeroy Oil Corporation | US GAS=PHYSICAL | N | 14 |  | 14
Castle Power LLC | US GAS=PHYSICAL | N | 55 |  |  |  |  | 3 | 5 | 6 | 1 | 2 | 3 | 6 | 3 | 5 | 8 | 7 | 6
Castle Power LLC | US GAS=PHYSICAL | Y | 44 |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 | 12 | 13 | 4
Cavalier Oil & Gas Inc. | US GAS=PHYSICAL | N | 8 |  |  |  |  |  | 4 |  |  |  |  |  |  | 4
Cavell Energy Corporation | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  |  | 1 |  |  |  |  | 4
Cavell Energy Corporation | US GAS=PHYSICAL | N | 1 |  |  |  | 1
CBE, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CCGM, L.P. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  | 2
CD Resources Company | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Cedar Resources, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 2
CEG Energy Options Inc. | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 4
CEG Energy Options Inc. | US GAS=PHYSICAL | Y | 25 |  |  |  |  |  |  |  |  |  |  |  | 2 | 12 | 6 | 5
Cenex Harvest States Cooperatives | US GAS=PHYSICAL | N | 10 |  |  |  |  | 2 |  |  |  |  | 1 |  |  | 4 | 2 | 1
Centra Gas British Columbia Inc. | CANADIAN GAS=PHYSICAL | N | 15 |  |  |  |  |  | 8 | 4 | 3
Centra Gas British Columbia Inc. | US GAS=PHYSICAL | N | 6 |  |  |  |  |  | 6
Central and South West Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Central Illinois Light Company | US GAS=PHYSICAL | N | 97 |  | 3 | 11 | 4 | 1 | 7 | 21 | 8 |  | 4 | 13 | 8 | 12 | 4 | 1
Central Illinois Public Service Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Central Pacific Group, The | US GAS=PHYSICAL | N | 18 |  |  | 2 | 3 | 1 |  |  |  |  |  |  |  |  | 3 | 6 |  | 3
Central Power and Light Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Central Power and Light Company | US GAS=PHYSICAL | N | 176 | 1 | 7 | 4 | 3 | 16 | 12 | 14 | 19 | 20 | 23 | 12 | 17 | 17 | 3 | 1 | 6 | 1
Central Resources, Inc. | US GAS=PHYSICAL | N | 36 |  | 4 | 3 | 5 | 3 | 3 | 3 | 4 | 3 | 3 | 3 | 2
Central Soya Company, Inc. | US GAS=PHYSICAL | N | 6 |  | 1 |  |  | 1 |  |  |  |  |  |  |  | 1 |  | 2 | 1
Central Termica San Nicolas S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Century Exploration Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1
Cerrito Gas Marketing Company | US GAS=PHYSICAL | N | 9 |  |  |  | 1 |  |  |  | 1 | 1 |  | 1 |  | 2 |  | 1 | 2
Cerro Vanguardia S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
CES - Alpine Energy Co., Inc. | US GAS=PHYSICAL | N | 9 |  |  |  |  | 3 |  | 1 |  |  |  |  | 1 |  | 2 | 1 |  | 1
CES - Amity Petroleum | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Amoco Energy Trading Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
CES - Apple Orchard Project | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Aurora Natural Gas, LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Aurora Services, Inc. | US GAS=PHYSICAL | N | 10 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 4 | 2 |  | 2
CES - Belden & Blake Corporation | US GAS=PHYSICAL | N | 2 |  |  | 1 |  | 1
CES - [NAME] | US GAS=PHYSICAL | N | 11 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 4 | 2 |  | 2
CES - Blackburn Exploration | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  | 2
CES - BNG Producing & Drilling, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 2
CES - Bortz Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Brock Oil & Gas Corporation | US GAS=PHYSICAL | N | 1 |  | 1
CES - Cabot Oil & Gas Marketing Corporation | US GAS=PHYSICAL | N | 1 |  | 1
CES - Case-Pomeroy Oil Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
CES - Castle Gas Company, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - [NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Charles Scott Hrutkay | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - City of Huntsville | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Clean Gas, Inc., Agent for Mountain Drilling, Inc. | US GAS=PHYSICAL | N | 12 |  |  |  |  | 2 |  |  |  |  |  |  | 1 | 1 | 4 | 2 |  | 2
CES - CMS Nomeco Oil & Gas Co. | US GAS=PHYSICAL | N | 1 |  | 1
CES - Cobra Oil & Gas Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Cohort Energy Company | US GAS=PHYSICAL | N | 5 |  | 1 | 4
CES - Columbia Natural Resources, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
CES - Cut Through Hydrocarbon | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Dallas Exploration Inc | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 2 |  | 1
CES - Dayton Power and Light Company, The | US GAS=PHYSICAL | N | 2 |  | 1 | 1
CES - Devon Energy Corporation | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
CES - Devon Energy Corporation | US GAS=PHYSICAL | N | 65 |  | 4 | 2 | 21 | 1 | 3 | 2 | 5 | 5 | 4 | 2 | 7 | 1 | 2 | 3 | 2 | 1
CES - [NAME], Jr. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
CES - Dow Hydrocarbons and Resources, Inc. | US GAS=PHYSICAL | N | 12 |  |  |  | 2 | 4 | 2 |  | 1 | 1 | 2
CES - Dynegy Marketing and Trade | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
CES - Eastern Energy Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Eastern Kentucky Exploration Co. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Elkhead Gas and Oil Company | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
CES - Energy Contractors Inc | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Entergy New Orleans, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Equitable Resources Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - F W Rabalais Inc | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 2 |  | 1
CES - Farrington and Hepler Gas and Oil, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Formosa Plastics Corporation, Louisiana | US GAS=PHYSICAL | N | 1 |  | 1
CES - Frame & Leany Resources | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 | 3 |  | 2
CES - Fultondale Gas Board, City Of | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
CES - J E Harris | US GAS=PHYSICAL | N | 8 |  |  |  |  | 2 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
CES - [NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
CES - JC Baker & Son, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - [NAME] | US GAS=PHYSICAL | N | 6 |  |  |  |  | 2 |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - LGS Natural Gas Company | US GAS=PHYSICAL | N | 2 |  | 1 | 1
CES - [NAME] | US GAS=PHYSICAL | N | 7 |  |  |  | 2 |  |  |  |  |  |  |  | 1 |  | 1 | 2 |  | 1
CES - Louisiana Gas Service Co | US GAS=PHYSICAL | N | 6 |  |  |  |  | 1 | 1 | 1 |  | 1 | 1 | 1
CES - Matrix Gas Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Medallion Gas Services, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Medina Fuel Company | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Meridian Resource Corporation | US GAS=PHYSICAL | N | 1 |  | 1
CES - MidCon Texas Pipeline Operator, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
CES - Murphy, [NAME] | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 | 2 | 1 |  | 1
CES - New York State Electric & Gas Corporation | US GAS=PHYSICAL | N | 1 |  | 1
CES - Ochs Bros | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - [NAME] | US GAS=PHYSICAL | N | 1 |  |  |  | 1
CES - Penn Fuel Gas Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
CES - Penn Virginia Oil & Gas Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Peoples Gas System, Inc. | US GAS=PHYSICAL | N | 1 |  | 1
CES - Petroleum Resources, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Petsec Energy, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
CES - Phillips Petroleum Company | US GAS=PHYSICAL | N | 2 |  | 2
CES - Power Gas Marketing & Transmission, Inc. | US GAS=PHYSICAL | N | 8 |  |  |  | 3 | 4 |  |  |  |  |  |  |  | 1
CES - Quick Trade L.L.C. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  | 1
CES - Q-West Energy Company | US GAS=PHYSICAL | N | 14 |  | 1 | 13
CES - Ralaco Ventures | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
CES - Ralph Hercher | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
CES - Riceland Petroleum Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
CES - Santa Fe Snyder Corporation | US GAS=PHYSICAL | N | 1 |  |  |  | 1
CES - Seneca Gas Ltd. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - Shamrock Energy Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
CES - Sport Pipeline Corp. | US GAS=PHYSICAL | N | 2 |  | 2
CES - Statoil Energy Trading, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  | 1 |  | 1
CES - Stone Energy Corporation | US GAS=PHYSICAL | N | 2 |  | 1 | 1
CES - Tennessee Energy Acquisition Corporation | US GAS=PHYSICAL | N | 2 |  |  | 2
CES - Tri County Resources | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - Triple C Oil & Gas | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES - TXU Energy Trading Company | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
CES - TXU Lone Star Gas | US GAS=PHYSICAL | N | 9 |  |  | 8 | 1
CES - United Petroleum Corporation | US GAS=PHYSICAL | N | 6 |  |  |  | 1 |  |  |  |  |  |  |  | 1 |  | 1 | 2 |  | 1
CES - Utilities Board of the City Of Trussville | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
CES - Williamson & Carnes Mineral Agency | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
CES Gas Sales | US GAS=PHYSICAL | N | 1 |  |  | 1
CF Industries, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  | 2 |  |  |  |  |  |  |  | 1 |  | 2 | 2
CGAS Appalachian | US GAS=PHYSICAL | N | 14 |  | 1 |  |  | 2 | 2 |  |  |  | 1 |  | 3 | 1 | 2 | 2
CGC Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Chain Energy Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Chandler Natural Gas Corporation | US GAS=PHYSICAL | N | 7 |  |  |  |  | 2 | 2 | 1 |  |  |  |  |  |  |  |  | 2
Chase Manhattan Corporation, The | US GAS=PHYSICAL | N | 2 |  |  | 1 | 1
Chattanooga Gas Company | US GAS=PHYSICAL | N | 82 |  | 1 | 3 | 16 | 1 | 2 | 3 | 12 | 11 | 6 | 2 | 7 | 2 | 1 | 11 | 4
Cherokee Drilling & Production | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 |  | 1
Cherokee Water Works Board | US GAS=PHYSICAL | N | 6 |  |  |  |  |  | 1 | 1 | 1 | 1 |  |  |  | 2
Chesapeake Energy Marketing, Inc. | US GAS=PHYSICAL | N | 16 |  |  |  | 1 | 1 |  | 1 |  | 2 | 1 | 1 | 2 | 4 | 2 |  | 1
Chesapeake Energy Marketing, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Chevron Canada Resources | CANADIAN GAS=PHYSICAL | N | 54 |  | 11 | 8 | 6 | 6 |  | 8 | 4 |  | 3 | 3 | 1 | 1 |  | 1 | 1 | 1
Chevron Canada Resources | CANADIAN GAS=PHYSICAL | Y | 294 |  |  |  |  | 5 | 3 | 10 | 17 | 17 | 37 | 31 | 23 | 27 | 36 | 40 | 43 | 5
Chevron Canada Resources | US GAS=PHYSICAL | N | 7 |  |  |  | 6 |  |  |  |  |  |  |  | 1
Chevron Chemical Company LLC | US GAS=PHYSICAL | N | 9 |  | 1 |  | 1 | 1 |  | 1 |  |  | 1 |  |  |  | 1 | 2 |  | 1
Chevron Phillips Chemical Company LP | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Cheyenne Petroleum Co. | US GAS=PHYSICAL | N | 11 |  |  | 3 |  | 2 | 1 | 1 | 1 |  | 2 | 1
Christeve Oil Company Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Chusei (USA) Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
CIBC World Markets PLC | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 2
CIBC World Markets PLC | CANADIAN GAS=PHYSICAL | Y | 32 |  |  |  |  |  |  | 3 | 4 | 4 | 5 | 3 | 1 | 4 | 2 | 1 | 5
Cibola Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Cibola Energy Services Corporation | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  | 1 | 1
Cibola Energy Services Corporation | US GAS=PHYSICAL | N | 110 | 1 | 26 | 13 | 28 | 26 | 15 | 1
Cibola Energy Services Corporation | US GAS=PHYSICAL | Y | 1532 |  | 79 | 229 | 349 | 501 | 341 | 33
CICO Oil & Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  | 1 | 1 | 1 |  | 1
CIG Merchant Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
CIG Merchant Company | US GAS=PHYSICAL | Y | 44 |  |  |  |  |  |  |  |  |  |  |  |  |  | 34 | 10
CIG Merchant Division | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  | 6 |  |  |  | 1
CIG Resources Company | US GAS=PHYSICAL | N | 49 |  | 6 | 1 | 3 | 1 | 1 | 1 | 17 | 1 |  | 1 | 9 | 5 | 2 | 1
[NAME], LLC | CANADIAN GAS=PHYSICAL | N | 1 | 1
[NAME], LLC | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], LLC | US GAS=PHYSICAL | N | 112 |  |  | 1 | 4 | 2 |  | 4 | 6 | 12 | 9 | 7 | 12 | 19 | 20 | 8 | 8
Cinergy Capital & Trading Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Cinergy Capital & Trading Inc. | US GAS=PHYSICAL | N | 28 |  | 3 |  | 4 | 4 |  |  |  |  | 2 | 3 | 1 | 1 | 9 | 1
Cinergy Corp. | US GAS=PHYSICAL | N | 3 |  |  |  |  | 1 |  | 2
Cinergy Marketing & Trading, LLC | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  |  | 1 |  | 3 | 1
Cinergy Marketing & Trading, LLC | US GAS=PHYSICAL | N | 331 |  | 8 | 17 | 10 | 20 | 50 | 49 | 27 | 14 | 11 | 15 | 19 | 27 | 11 | 24 | 28 | 1
Cinergy Marketing & Trading, LLC | US GAS=PHYSICAL | Y | 1457 |  |  | 1 | 23 | 14 | 14 | 44 | 48 | 41 | 70 | 88 | 211 | 245 | 140 | 169 | 329 | 20
Cinnabar Energy Services & Trading, LLC | US GAS=PHYSICAL | N | 21 |  |  |  |  |  |  |  | 3 | 2 | 2 | 1 | 2 | 3 |  | 4 | 4
Citation Energy Co | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 3 | 1 |  | 2
Citizens Communications Company | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  | 1 | 2
Citizens Communications Company | US GAS=PHYSICAL | N | 78 |  | 1 | 1 | 1 | 1 | 5 | 2 | 17 | 3 | 2 | 3 | 3 | 3 | 6 | 18 | 10 | 2
Citizens Gas & Coke Utility | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  | 7
Citizens Utilities Santa Cruz | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
City of Batesville | US GAS=PHYSICAL | N | 5 |  | 3 | 1 | 1
City of Cartersville | US GAS=PHYSICAL | N | 23 |  |  |  |  |  | 1 | 1 | 1 | 5 | 4 | 5 | 1 | 3 | 1 |  | 1
City of Decatur | US GAS=PHYSICAL | N | 8 |  |  |  |  |  | 1 | 1 | 1 | 1 |  | 1 |  | 3
City of Deming | US GAS=PHYSICAL | N | 2 |  |  |  | 1 | 1
City of Dublin | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
City of Dublin | US GAS=PHYSICAL | N | 9 |  |  |  |  | 1 |  |  | 2 | 1 | 1 |  | 1 |  | 1 | 1 | 1
City of Greer | US GAS=PHYSICAL | N | 2 |  |  | 2
City of Hohenwald | US GAS=PHYSICAL | N | 5 |  | 3 | 1 | 1
City of Huntsville | US GAS=PHYSICAL | N | 11 |  |  | 5 | 1 | 1 | 1 |  | 1 | 1 | 1
City of Huntsville Utilities | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
City of Lobelville | US GAS=PHYSICAL | N | 6 |  | 3 | 1 | 2
City of Parsons | US GAS=PHYSICAL | N | 4 |  | 3 | 1
City of Pasadena | CANADIAN GAS=PHYSICAL | N | 4 |  | 1 |  | 1 | 2
City of Pasadena | US GAS=PHYSICAL | N | 43 |  | 1 | 1 | 3 | 5 | 2 | 2 | 3 | 2 | 2 | 2 |  | 4 | 5 | 5 | 6
City of Pasadena | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
City of Ripley | US GAS=PHYSICAL | N | 3 |  | 3
City of Senatobia | US GAS=PHYSICAL | N | 3 |  | 2 | 1
City of Shelby | US GAS=PHYSICAL | N | 26 |  |  | 3 |  |  | 1 |  |  |  |  |  | 2 |  | 4 | 11 | 5
City of Socorro | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
City of Tallahassee | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
City of Tallahassee | US GAS=PHYSICAL | N | 290 | 2 | 13 | 22 | 20 | 3 | 20 | 21 | 18 | 30 | 29 | 21 | 26 | 31 | 11 | 18 | 5
City of Willcox | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
City Public Service of San Antonio | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Clark Oil Trading Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Clark Resources Inc | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Clarke-Mobile Counties Gas District | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  |  |  | 2 | 8 | 2 | 1 | 1 | 2 | 1 | 1
Classic Oil & Gas Resources, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 3 | 1 |  | 1
Clear Lake Cogeneration Limited Partnership | US GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
CLECO Corporation | US GAS=PHYSICAL | N | 23 |  | 4 | 5 | 7 | 3 |  | 2 |  |  | 1 | 1
CLECO Corporation | US GAS=PHYSICAL | Y | 77 |  |  |  |  |  |  | 14 | 27 | 1 | 10 | 4 | 2 | 7 | 10 |  | 2
CLECO Energy, L.L.C. | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 4 | 11 | 2
CLECO Marketing and Trading, LLC | US GAS=PHYSICAL | N | 28 |  |  |  |  | 15 | 2 | 1 | 1 |  |  | 1 | 1 | 5 | 2
CLECO Marketing and Trading, LLC | US GAS=PHYSICAL | Y | 24 |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 1 | 12 | 8 | 1
Cliffwood Oil & Gas Corp. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Clinton Energy Management Services, Inc. | US GAS=PHYSICAL | N | 127 | 4 | 12 | 6 | 8 | 8 | 6 | 14 | 9 | 10 | 13 |  | 4 | 3 | 10 | 16 | 4
Clinton Energy Management Services, Inc. | US GAS=PHYSICAL | Y | 730 |  |  |  | 7 | 16 | 29 | 32 | 65 | 60 | 64 | 76 | 53 | 87 | 157 | 64 | 15 | 5
Clinton Gas Marketing Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  | 2
Clinton Gas Marketing Inc. | US GAS=PHYSICAL | N | 3 |  |  | 1 |  |  |  |  |  | 1 | 1
CMS Energy Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  |  | 1 |  | 1 |  |  | 1
CMS Field Services, Inc. | US GAS=PHYSICAL | N | 529 | 4 | 30 | 48 | 60 | 61 | 37 | 45 | 55 | 66 | 48 | 6 | 5 | 15 | 9 | 31 | 9
CMS Field Services, Inc. | US GAS=PHYSICAL | Y | 701 |  |  |  | 36 | 44 | 71 | 61 | 80 | 102 | 30 | 59 | 35 | 41 | 37 | 51 | 51 | 3
CMS Marketing, Services and Trading Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
CMS Marketing, Services and Trading Company | US GAS=PHYSICAL | N | 495 | 2 | 11 | 10 | 43 | 71 | 39 | 25 | 26 | 36 | 15 | 18 | 37 | 42 | 34 | 53 | 32 | 1
CMS Marketing, Services and Trading Company | US GAS=PHYSICAL | Y | 1723 |  |  |  |  | 13 | 22 | 66 | 124 | 106 | 77 | 158 | 176 | 390 | 223 | 127 | 214 | 27
CMS Oil and Gas Company | US GAS=PHYSICAL | N | 5 |  |  | 1 | 1 | 1 | 1 |  |  |  |  |  |  |  |  | 1
CNE Peaking, L.L.C. | US GAS=PHYSICAL | N | 3 |  |  | 3
CNG Appalachian | CANADIAN GAS=PHYSICAL | Y | 4 |  |  |  |  |  |  |  |  |  |  |  | 4
CNG Appalachian | US GAS=PHYSICAL | N | 69 |  | 8 | 8 | 4 | 8 | 8 | 5 | 10 | 7 | 7 |  |  |  | 4
CNR Resources Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
CNR Resources Inc. | US GAS=PHYSICAL | N | 14 |  |  |  |  | 1 | 3 | 1 | 1 | 1 | 3 | 1 | 1 |  | 1 | 1
Coast Energy Canada, Inc. | CANADIAN GAS=PHYSICAL | N | 31 |  | 9 | 5 | 3 |  | 1 | 1 | 3 |  |  | 2 | 1 | 4 |  | 2
Coast Energy Canada, Inc. | CANADIAN GAS=PHYSICAL | Y | 2213 |  | 3 | 39 | 92 | 126 | 103 | 133 | 416 | 412 | 278 | 188 | 101 | 145 | 48 | 71 | 48 | 10
Coast Energy Canada, Inc. | US GAS=PHYSICAL | N | 45 |  | 2 |  |  |  | 2 |  | 2 |  | 2 | 2 | 7 | 26 | 1 |  | 1
Coast Energy Canada, Inc. | US GAS=PHYSICAL | Y | 1118 |  |  | 7 | 65 | 91 | 85 | 81 | 87 | 112 | 105 | 67 | 97 | 131 | 84 | 81 | 21 | 4
Coast Energy Group, a division of Cornerstone Propane, L.P. | CANADIAN GAS=PHYSICAL | N | 9 |  |  |  |  | 1 |  | 7 | 1
Coast Energy Group, a division of Cornerstone Propane, L.P. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  | 1
Coast Energy Group, a division of Cornerstone Propane, L.P. | US GAS=PHYSICAL | N | 244 | 2 | 22 | 32 | 15 | 10 | 23 | 22 | 15 | 11 | 22 | 5 | 5 | 15 | 11 | 20 | 12 | 2
Coast Energy Group, a division of Cornerstone Propane, L.P. | US GAS=PHYSICAL | Y | 37 |  |  |  | 1 |  |  |  | 1 | 1 | 8 |  |  | 2 | 9 |  | 8 | 7
Coastal Field Services Company | US GAS=PHYSICAL | N | 14 |  |  |  |  |  |  |  | 2 | 3 | 3 | 2 |  | 1 | 2 | 1
Coastal Gas Marketing Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Coastal Gas Marketing Company | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 2 | 1
Coastal Merchant Energy, L.P. | CANADIAN GAS=PHYSICAL | N | 9 |  | 1 |  | 3 | 2 |  | 2 |  | 1
Coastal Merchant Energy, L.P. | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  | 1 |  |  |  |  | 1
Coastal Merchant Energy, L.P. | US GAS=PHYSICAL | N | 608 | 2 | 36 | 84 | 93 | 50 | 42 | 41 | 36 | 22 | 65 | 17 | 25 | 34 | 38 | 23
Coastal Merchant Energy, L.P. | US GAS=PHYSICAL | Y | 3624 |  |  |  | 17 | 257 | 193 | 201 | 333 | 277 | 352 | 406 | 391 | 460 | 422 | 315
Coastal Oil & Gas Corp. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  | 2 |  |  |  |  |  |  | 1
Coastal Oil & Gas USA, L.P. | US GAS=PHYSICAL | N | 3 |  | 1 |  |  | 1 |  |  |  | 1
Coastline Exploration Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Cobra Oil & Gas Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  | 3
Cobra Operating Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Cockrell Oil & Gas, LP | US GAS=PHYSICAL | N | 12 |  | 2 | 1 | 1 | 1 | 1 | 1 | 1 |  | 2 | 1 | 1
Cody Energy LLC | US GAS=PHYSICAL | N | 21 |  | 2 | 3 | 1 |  | 1 |  | 1 |  | 1 |  | 2 | 3 |  | 7
CoEnergy Trading Company | CANADIAN GAS=PHYSICAL | N | 7 | 1 | 2 | 1 | 1 | 1 | 1
CoEnergy Trading Company | CANADIAN GAS=PHYSICAL | Y | 11 |  | 4 | 4 | 1 |  |  |  |  |  |  | 2
CoEnergy Trading Company | US GAS=PHYSICAL | N | 288 | 2 | 6 | 13 | 6 | 25 | 24 | 19 | 8 | 14 | 18 | 26 | 65 | 21 | 17 | 14 | 10
CoEnergy Trading Company | US GAS=PHYSICAL | Y | 2129 |  | 1 |  | 2 | 22 | 46 | 63 | 64 | 98 | 267 | 173 | 156 | 374 | 333 | 289 | 232 | 9
Cohort Energy Company | US GAS=PHYSICAL | N | 11 |  |  |  |  |  |  | 1 | 2 | 8
Cokinos Energy Corporation | US GAS=PHYSICAL | N | 12 |  | 1 | 2 |  |  |  | 1 |  | 4 | 2 |  | 1 | 1
Cokinos Natural Gas Company | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  |  | 1
Cokinos Natural Gas Company | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Cokinos Natural Gas Company | US GAS=PHYSICAL | N | 315 | 1 | 2 | 10 | 9 | 29 | 20 | 15 | 11 | 24 | 21 | 28 | 32 | 28 | 33 | 29 | 21 | 2
Cokinos Natural Gas Company | US GAS=PHYSICAL | Y | 11 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 | 3 | 2
Coleman Oil & Gas, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  | 1 |  |  | 1 |  |  |  |  |  |  |  | 1 | 1
Colonial Energy Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  | 1
Colonial Energy Inc. | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Colonial Energy Inc. | US GAS=PHYSICAL | N | 322 |  | 19 | 16 | 38 | 22 | 17 | 21 | 34 | 26 | 28 | 18 | 30 | 25 | 10 | 12 | 6
Colonial Energy Inc. | US GAS=PHYSICAL | Y | 1118 |  |  |  |  | 9 | 47 | 43 | 36 | 60 | 73 | 96 | 141 | 187 | 94 | 107 | 209 | 16
Colonial Gas Company | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Colorado Springs Utilities | US GAS=PHYSICAL | N | 3 |  | 1 | 1 |  |  |  |  | 1
Columbia Energy Marketing Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  | 2 | 2
Columbia Energy Services Corporation | CANADIAN GAS=PHYSICAL | N | 56 |  | 9 | 26 | 16 | 5
Columbia Energy Services Corporation | US GAS=PHYSICAL | N | 594 | 6 | 56 | 109 | 102 | 94 | 96 | 39 | 40 | 20 | 22 | 3 | 3 |  | 1 | 2 |  | 1
Columbia Energy Services Corporation | US GAS=PHYSICAL | Y | 67 |  | 67
Columbia Gas Of Kentucky, Inc. | US GAS=PHYSICAL | N | 11 |  |  | 1 | 1 | 1 |  | 3 |  |  | 2 |  |  |  | 3
Columbia Gas Of Maryland, Inc. | US GAS=PHYSICAL | N | 6 |  |  |  | 1 | 2 |  | 1 |  |  |  |  |  |  | 2
Columbia Gas Of Ohio, Inc. | US GAS=PHYSICAL | N | 104 |  |  | 32 | 13 | 18 | 7 | 5 |  | 3 | 2 | 6 | 12 | 1 | 1 |  | 2 | 2
Columbia Gas of Pennsylvania, Inc. | US GAS=PHYSICAL | N | 36 |  | 2 | 18 | 3 | 7 |  |  |  | 1 | 4 |  | 1
Columbia Gas Of Virginia, Inc. | US GAS=PHYSICAL | N | 9 |  |  |  | 3 | 2 |  | 3 |  |  | 1
Columbia Gas Transmission Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 2
Columbia Natural Resources, Inc. | US GAS=PHYSICAL | N | 50 |  |  |  | 1 | 3 | 5 | 3 | 3 | 4 | 4 |  | 3 | 3 | 7 | 11 | 1 | 2
Columbus Energy Corp. | US GAS=PHYSICAL | N | 6 |  |  |  | 4 |  |  |  |  |  |  |  |  |  |  | 1 | 1
Commonwealth Atlantic Limited Partnership | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 1 | 1
Commonwealth Energy, Inc. | US GAS=PHYSICAL | N | 17 |  |  | 1 | 4 | 1 | 1 |  |  |  |  |  |  |  | 9 | 1
Commonwealth Gas Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Commonwealth Gas Company | US GAS=PHYSICAL | N | 102 |  |  |  |  | 1 | 14 | 9 | 11 | 17 | 10 | 23 | 9 | 3 | 4 | 1
Commonwealth Gas Company | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Commonwealth of Virginia | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 4 | 2
Comstock Oil & Gas, Inc. | US GAS=PHYSICAL | N | 6 |  |  | 1 |  | 2 |  |  |  |  | 1 |  | 1 |  |  |  |  | 1
ConAgra Energy Services, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  | 2 | 3 | 1 | 1
Conectiv Energy Supply, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Conectiv Energy Supply, Inc. | US GAS=PHYSICAL | N | 86 |  |  |  |  |  |  |  | 12 | 19 | 14 | 13 | 9 | 4 | 6 | 1 | 8
Conectiv Energy Supply, Inc. | US GAS=PHYSICAL | Y | 626 |  |  |  |  |  |  |  | 67 | 101 | 52 | 86 | 38 | 69 | 44 | 62 | 102 | 5
Conectiv, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 2
Connecticut Natural Gas Corporation | US GAS=PHYSICAL | N | 67 |  |  |  | 7 | 10 | 10 | 1 | 1 | 1 |  | 3 | 2 | 15 | 2 | 7 | 7 | 1
Conoco Canada Limited | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Conoco Canada Limited | CANADIAN GAS=PHYSICAL | Y | 15 |  |  |  |  |  | 3 | 1 | 2 | 1 |  | 4 | 3 |  |  | 1
Conoco Canada Limited | US GAS=PHYSICAL | N | 5 |  |  |  |  | 5
Conoco Inc. | CANADIAN GAS=PHYSICAL | N | 6 |  | 1 |  |  | 1 |  | 2 | 1 | 1
Conoco Inc. | US GAS=PHYSICAL | N | 293 | 1 | 15 | 15 | 15 | 11 | 30 | 28 | 37 | 16 | 26 | 21 | 11 | 27 | 19 | 14 | 7
Conoco Inc. | US GAS=PHYSICAL | Y | 1054 |  |  |  | 4 | 64 | 10 | 47 | 89 | 82 | 71 | 92 | 78 | 110 | 109 | 81 | 182 | 35
Consolidated Edison Company Of New York, Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  |  | 3
Consolidated Edison Company Of New York, Inc. | US GAS=PHYSICAL | N | 90 | 2 |  | 4 |  | 4 | 10 | 9 | 1 |  | 2 | 2 | 4 | 21 | 19 | 8 | 4
Consolidated Edison Solutions, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Consolidated Edison Solutions, Inc. | US GAS=PHYSICAL | N | 261 | 2 | 20 | 30 | 24 | 34 | 38 | 34 | 33 | 22 | 19 | 2 |  | 1 | 2
Consolidated Edison Solutions, Inc. | US GAS=PHYSICAL | Y | 292 |  |  |  |  |  |  |  | 74 | 22 | 47 | 39 | 29 | 24 | 38 | 10 | 9
Constellation Energy Source, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Constellation Energy Source, Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Constellation Energy Source, Inc. | US GAS=PHYSICAL | N | 151 |  | 6 | 11 | 12 | 18 | 14 | 15 | 29 | 7 | 21 | 6 | 8 | 1 | 1 | 2
Constellation Energy Source, Inc. | US GAS=PHYSICAL | Y | 117 |  |  |  |  |  |  |  | 18 | 6 | 15 | 15 | 22 | 19 | 7 | 8 | 4 | 3
Consumers Energy Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Consumers Energy Company | US GAS=PHYSICAL | N | 10 |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 2 |  | 3
Consumers Gas Company Ltd., The | CANADIAN GAS=PHYSICAL | N | 76 |  | 15 | 3 | 8 | 11 | 1 | 6 | 6 | 3 | 3 | 6 | 5 | 3 | 2 | 2 | 2
Consumers Gas Company Ltd., The | US GAS=PHYSICAL | N | 379 |  | 15 | 25 | 17 | 23 | 56 | 8 | 10 | 14 | 23 | 23 | 29 | 44 | 7 | 29 | 56
Consumers Gas Company Ltd., The | US GAS=PHYSICAL | Y | 16 |  |  |  |  |  |  |  | 1 | 1 |  | 9 | 1 |  | 2 | 2
Continental Gas, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  | 1 |  |  | 2 |  | 1
Continental Land & Fur Co., Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 1 |  | 1 | 1
Continental Oil & Gas Company, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Continental Resources, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Cook Inlet Energy Supply L.L.C. | CANADIAN GAS=PHYSICAL | N | 53 | 1 | 14 | 4 | 1 | 4 |  | 5 |  | 7 | 1 | 3 | 4 | 3 | 5 | 1
Cook Inlet Energy Supply L.L.C. | CANADIAN GAS=PHYSICAL | Y | 2705 |  | 126 | 122 | 186 | 252 | 116 | 267 | 266 | 128 | 179 | 253 | 259 | 244 | 81 | 115 | 107 | 4
Cook Inlet Energy Supply L.L.C. | US GAS=PHYSICAL | N | 776 | 12 | 80 | 83 | 92 | 60 | 53 | 32 | 30 | 45 | 37 | 32 | 59 | 44 | 60 | 32 | 20 | 5
Cook Inlet Energy Supply L.L.C. | US GAS=PHYSICAL | Y | 15914 | 16 | 280 | 293 | 487 | 641 | 454 | 662 | 1034 | 873 | 1214 | 1013 | 1416 | 1934 | 1273 | 1519 | 2445 | 360
Cook Inlet Region Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
Copano Energy Services/Upper Gulf Coast, L.P. | US GAS=PHYSICAL | N | 48 |  | 5 | 7 | 1 | 5 |  | 3 | 3 | 13 | 4 | 1 | 4 | 1 |  | 1
Copano Energy Services/Upper Gulf Coast, L.P. | US GAS=PHYSICAL | Y | 75 |  |  |  |  |  |  |  |  |  |  | 19 | 3 | 19 | 13 | 15 | 6
Coral Energy Canada Inc. | CANADIAN GAS=PHYSICAL | N | 16 |  | 1 | 4 | 1 |  | 1 | 1 |  |  |  |  | 1 | 1 |  |  | 4 | 2
Coral Energy Canada Inc. | CANADIAN GAS=PHYSICAL | Y | 48 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 47
Coral Energy Canada Inc. | US GAS=PHYSICAL | N | 115 |  | 16 | 7 | 13 | 16 | 8 | 12 | 5 | 9 |  | 6 | 3 | 3 | 4 | 9 | 4
Coral Energy Canada Inc. | US GAS=PHYSICAL | Y | 40 |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  | 39
Coral Energy Holding, L.P. | CANADIAN GAS=PHYSICAL | N | 6 |  |  |  | 1 |  | 1 | 2 |  |  |  |  |  |  |  | 2
Coral Energy Holding, L.P. | CANADIAN GAS=PHYSICAL | Y | 5 |  | 3 | 1 |  |  | 1
Coral Energy Holding, L.P. | US GAS=PHYSICAL | N | 7 |  | 1 |  |  | 1 |  |  |  |  | 1 | 2 |  | 1 | 1
Coral Energy Holding, L.P. | US GAS=PHYSICAL | Y | 816 |  | 53 | 287 | 378 | 92 | 3 |  | 2 |  |  |  |  |  | 1
Coral Energy Resources, a division of Coral Energy Canada Inc. | CANADIAN GAS=PHYSICAL | N | 190 | 6 | 22 | 15 | 17 | 18 | 4 | 26 | 23 | 3 | 3 | 10 | 2 | 10 | 5 | 17 | 9
Coral Energy Resources, a division of Coral Energy Canada Inc. | CANADIAN GAS=PHYSICAL | Y | 5709 |  | 144 | 175 | 233 | 319 | 289 | 410 | 536 | 387 | 446 | 655 | 322 | 490 | 300 | 543 | 460
Coral Energy Resources, a division of Coral Energy Canada Inc. | US GAS=PHYSICAL | N | 30 |  | 1 |  | 4 |  | 6 |  | 2 |  |  |  | 5 | 2 | 1 | 7 | 2
Coral Energy Resources, a division of Coral Energy Canada Inc. | US GAS=PHYSICAL | Y | 871 |  |  |  |  |  |  |  | 1 | 69 | 65 | 119 | 98 | 119 | 93 | 131 | 176
Coral Energy Resources, L.P. | CANADIAN GAS=PHYSICAL | N | 29 |  | 1 |  | 1 | 3 |  | 5 | 2 | 3 | 3 |  | 2 |  |  | 2 | 7
Coral Energy Resources, L.P. | CANADIAN GAS=PHYSICAL | Y | 39 |  |  |  |  |  |  | 6 | 1 | 4 | 2 | 7 | 3 | 9 | 2 | 1 | 4
Coral Energy Resources, L.P. | US GAS=PHYSICAL | N | 713 | 9 | 53 | 91 | 62 | 50 | 39 | 52 | 55 | 52 | 67 | 37 | 32 | 27 | 30 | 37 | 16 | 4
Coral Energy Resources, L.P. | US GAS=PHYSICAL | Y | 7914 |  |  |  |  | 491 | 328 | 391 | 715 | 490 | 746 | 777 | 808 | 816 | 522 | 848 | 900 | 82
Core Exploration & Production Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
Cornerstone Gas Gathering Co., Inc. | US GAS=PHYSICAL | N | 2 |  |  |  | 1 | 1
Cornerstone Propane Partners, LP | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 1 |  |  |  |  |  |  | 1
Cornerstone Propane, L.P. | US GAS=PHYSICAL | N | 45 | 1 |  | 2 |  | 4 | 3 | 5 | 2 | 3 | 3 | 9 | 5 | 6 | 2
Cornerstone Propane, L.P. | US GAS=PHYSICAL | Y | 1803 |  |  |  |  | 9 | 7 | 61 | 107 | 91 | 202 | 107 | 236 | 383 | 276 | 295 | 29
CORPORATION D'APPROVISIONNEMENT SANTE SERVICES SOCIAUX DE L'ESTRIE | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Corporation du Fort Saint-Jean | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  | 1 | 3 |  | 1
Co-Steel Inc. | US GAS=PHYSICAL | N | 32 |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 2 | 28 | 1
Costilla Energy, Inc. | US GAS=PHYSICAL | N | 29 |  |  |  | 2 |  | 12 |  | 8 |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Cotiga Development Limited Partnership | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Cove Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Cox Resources Corporation | US GAS=PHYSICAL | N | 2 |  | 1 | 1
CPN Gas Marketing Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
CPN Gas Marketing Company | US GAS=PHYSICAL | Y | 72 |  |  |  |  |  |  |  |  |  | 1 | 6 | 11 | 12 | 15 | 15 | 8 | 4
Cracker Oil & Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Crescendo Resources LP | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Crestar Energy | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Crestar Energy | CANADIAN GAS=PHYSICAL | Y | 3 |  |  |  |  |  |  |  |  | 1 | 2
Crestar Energy | US GAS=PHYSICAL | N | 14 |  | 3 |  | 5 | 4 |  |  |  |  | 2
Crestar Energy Inc. | US GAS=PHYSICAL | N | 11 |  |  |  | 2 |  |  |  |  | 3 | 1 |  |  |  |  | 5
Creston Well Service | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Crosby Mississippi Resources Ltd. | US GAS=PHYSICAL | N | 8 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 |  | 1
Cross Timbers Energy Services, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 1 |  |  | 1
Cross Timbers Energy Services, Inc. | US GAS=PHYSICAL | N | 119 |  |  | 4 | 8 | 15 | 6 | 8 | 9 | 9 | 2 | 11 | 9 | 9 | 6 | 6 | 17
Cross Timbers Energy Services, Inc. | US GAS=PHYSICAL | Y | 2426 |  | 105 | 137 | 182 | 208 | 102 | 118 | 200 | 152 | 125 | 146 | 261 | 350 | 95 | 72 | 171 | 2
Cross Timbers Oil Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Cross Timbers Oil Company | US GAS=PHYSICAL | N | 40 | 1 | 6 | 3 |  | 1 |  | 2 | 11 | 1 |  |  | 2 | 3 |  | 2 | 8
Cross Timbers Oil Company | US GAS=PHYSICAL | Y | 4 |  |  |  |  |  |  |  |  |  |  | 4
Crossalta Gas Storage & Services Ltd. | CANADIAN GAS=PHYSICAL | N | 15 |  |  | 1 | 1 | 2 | 4 |  | 1 | 2 | 2 |  |  |  |  | 2
Crossalta Gas Storage & Services Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Crosstex Energy Services, Ltd. | CANADIAN GAS=PHYSICAL | N | 12 |  |  | 2 | 2 | 6 | 2
Crosstex Energy Services, Ltd. | US GAS=PHYSICAL | N | 290 | 1 | 5 | 13 | 8 | 23 | 24 | 19 | 16 | 8 | 13 | 25 | 24 | 29 | 18 | 35 | 28 | 1
Crosstex Energy Services, Ltd. | US GAS=PHYSICAL | Y | 14 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14
Crosstex Gas Marketing | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  | 1
Crosstex Gas Marketing | US GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  |  |  | 1
CTL Oil & Gas Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Cumberland Gas Marketing, LLC | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Cumberland Gas Marketing, LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Cumberland Valley Resources, LLC | US GAS=PHYSICAL | N | 31 |  |  |  |  |  | 7 | 4 | 1 | 3 | 3 | 3 | 1 |  | 4 | 2 | 3
Cummins & Walker Oil Company Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  | 1 | 1 | 2
Cut Through Hydrocarbon | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  | 1 |  |  | 1 | 1 | 2
Cutter Oil Company | US GAS=PHYSICAL | N | 4 |  |  |  |  | 2 |  |  |  |  |  |  |  | 2
CXY Energy, Inc. | US GAS=PHYSICAL | N | 8 |  |  |  |  |  | 1 |  |  | 1 |  |  |  |  | 3 | 3
CXY Energy, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  | 1
Cytec Industries Inc. | US GAS=PHYSICAL | N | 92 |  |  |  |  | 2 | 10 | 18 | 13 | 8 | 4 | 8 | 3 |  | 2 | 13 | 11
D.Y. Exploration, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Dale Operating Company | US GAS=PHYSICAL | N | 3 |  | 1 | 1 |  |  |  |  |  |  |  |  |  |  | 1
Dallas Production Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  | 2 |  |  | 1 |  |  |  | 1
Dan A Hughes Company | US GAS=PHYSICAL | N | 25 |  |  |  |  |  |  | 14 | 2 |  |  | 1 | 1 | 1 | 2 | 3 |  | 1
Danex Energy Company | US GAS=PHYSICAL | N | 7 |  |  | 1 |  |  |  |  |  |  |  |  | 4 |  |  | 2
Dannic Energy | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Danoil Energy Partnership | CANADIAN GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  | 4
[NAME] | US GAS=PHYSICAL | N | 6 |  |  |  |  | 1 |  |  | 1 |  |  |  |  |  | 2 | 1 |  | 1
[NAME] DBA Carroll Resources | US GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 7 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 2 | 2 |  | 2
[NAME], Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Dayton Power and Light Company, The | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  | 3
Dayton Power and Light Company, The | US GAS=PHYSICAL | N | 221 |  | 1 | 11 | 3 | 32 | 14 | 8 | 31 | 25 | 35 | 32 | 29
[NAME], [NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Decker Operating Company, LLC | US GAS=PHYSICAL | N | 3 |  |  |  |  | 2 | 1
Deer Oil & Gas | US GAS=PHYSICAL | N | 6 |  |  |  | 1 | 2 |  | 1 |  |  |  |  |  |  | 1 | 1
Dekalb Cherokee Counties Natural Gas District | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  |  | 2 | 1 | 2 | 10 | 1 | 1 |  | 1
Dekalb Cherokee Counties Natural Gas District | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Delmarva Power & Light Company | CANADIAN GAS=PHYSICAL | N | 4 |  | 2 |  |  | 2
Delmarva Power & Light Company | US GAS=PHYSICAL | N | 152 | 1 | 7 | 9 | 16 | 27 | 14 | 10 | 8 | 5 | 3 | 13 | 10 | 11 | 3 | 8 | 7
Delmarva Power & Light Company | US GAS=PHYSICAL | Y | 120 |  | 5 |  | 4 | 49 | 42 | 20
Delray Oil, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Denbury Energy Services, Inc. | US GAS=PHYSICAL | N | 21 |  |  |  |  |  | 2 |  |  | 8 |  | 3 | 2 | 1 | 4 |  | 1
Denergy Corp. | CANADIAN GAS=PHYSICAL | N | 45 |  | 3 | 2 | 1 | 3 | 1 | 2 | 3 | 3 | 3 | 1 | 1 | 4 | 4 | 5 | 9
Denergy Corp. | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  | 1
Denver Sisson | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 4 |  | 2
Derby Operating Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  | 3 |  |  |  |  |  |  |  |  | 1
DESCO Oil Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Devon Energy Corporation | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
Devon Energy Corporation | US GAS=PHYSICAL | N | 89 |  | 3 | 4 | 8 | 8 | 9 | 7 | 7 | 5 | 5 | 4 | 6 | 9 | 3 | 6 | 5
Devon Energy Production Company, L.P. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1
Devon SFS Operating, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Devon SFS Operating, Inc. | US GAS=PHYSICAL | N | 13 |  | 1 | 2 |  | 1 | 1 | 2 | 2 | 2 | 2
Devonian Resources, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  |  |  | 1 |  | 1 | 3 |  | 1
Dewbre Petroleum Corporation | US GAS=PHYSICAL | N | 2 |  | 1 | 1
Diamond Shamrock Refining & Marketing Company | US GAS=PHYSICAL | N | 4 |  |  |  |  | 1 | 1 | 1 |  | 1
Dickinson Oil & Gas | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Dick's Well Service | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  | 2 | 1
Dighton Power Associates Limited Partnership | US GAS=PHYSICAL | N | 4 |  |  |  |  | 1 |  | 1 |  |  | 2
Dils, [NAME] Dils Oil And Gas | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Direct Energy Marketing Limited | CANADIAN GAS=PHYSICAL | N | 22 | 4 | 2 |  |  | 3 | 1 | 1 | 1 | 1 | 2 | 2 | 5
Direct Energy Marketing Limited | CANADIAN GAS=PHYSICAL | Y | 517 |  | 49 | 20 | 33 | 10 | 37 | 53 | 92 | 126 | 28 | 31 | 38
Direct Energy Marketing Limited | US GAS=PHYSICAL | N | 134 | 1 | 3 | 6 | 6 | 29 | 16 | 5 | 14 | 13 | 1 | 19 | 21
Direct Energy Marketing Limited | US GAS=PHYSICAL | Y | 7 |  |  |  |  |  |  |  |  |  |  |  | 7
Dixie Chemical Company | US GAS=PHYSICAL | N | 12 |  | 1 | 2 | 1 | 8
Dolch Production Co., Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Dolphin Petroleum, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 |  | 1
Domcan Boundary Corp. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Domcan East Alberta Ltd. | CANADIAN GAS=PHYSICAL | N | 9 |  |  | 2 | 4 | 2 |  |  | 1
Domcan East Alberta Ltd. | CANADIAN GAS=PHYSICAL | Y | 19 |  |  | 1 |  |  |  |  |  | 4 |  |  | 3 | 3 | 2 | 2 | 4
Domcan East Alberta Ltd. | US GAS=PHYSICAL | N | 5 |  |  |  | 4 |  | 1
Dominion Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
Dominion Energy, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  | 1 |  |  | 1
Dominion Energy, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 3
Dominion Exploration & Production, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Dominion Exploration & Production, Inc. | US GAS=PHYSICAL | N | 155 |  | 4 | 6 | 9 | 9 | 13 | 20 | 7 | 13 | 5 | 2 | 27 | 8 | 14 | 11 | 6 | 1
Dominion Field Services, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Dominion Field Services, Inc. | US GAS=PHYSICAL | N | 88 |  |  | 1 | 1 | 4 |  | 3 | 1 | 4 | 8 | 6 | 12 | 14 | 14 | 2 | 18
Dominion Field Services, Inc. | US GAS=PHYSICAL | Y | 17 |  |  |  |  |  |  |  |  |  | 8 |  |  | 7 | 2
Dominion Reserves Gulf Coast, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Dominion Resources Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Dominion Trading & Transport Inc. | US GAS=PHYSICAL | N | 14 |  |  |  |  |  |  | 2 |  |  |  |  | 1 | 3 | 2 | 4 |  | 2
Dominion Transmission, Inc. | US GAS=PHYSICAL | N | 6 |  |  |  |  | 2 |  |  |  |  |  |  |  | 4
Domtar Inc. | CANADIAN GAS=PHYSICAL | N | 1 | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Dow Chemical Canada Inc. | CANADIAN GAS=PHYSICAL | N | 17 |  | 6 | 1 |  | 2 |  | 1 |  | 2 |  |  |  |  |  | 1 | 2 | 2
Dow Chemical Canada Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  | 1
Dow Chemical Canada Inc. | US GAS=PHYSICAL | N | 7 |  |  |  | 1 |  |  | 1 |  | 1 | 1 | 3
Dow Chemical Company, The | US GAS=PHYSICAL | N | 12 |  |  | 1 |  |  |  | 1 | 2 | 6 |  |  |  | 2
Dow Hydrocarbons and Resources, Inc. | US GAS=PHYSICAL | N | 28 |  | 1 |  |  |  |  |  |  |  | 1 | 3 | 1 | 7 | 3 | 4 | 8
Dow Hydrocarbons and Resources, Inc. | US GAS=PHYSICAL | Y | 47 |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 34 | 11
DRI Operating Co | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 1
Drilling Appalachian Corporation | US GAS=PHYSICAL | N | 4 |  |  |  | 1 | 2 |  |  |  |  |  |  |  |  | 1
Dry Creek Oil & Gas | US GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
DTE Energy Trading, Inc. | US GAS=PHYSICAL | Y | 26 |  |  |  |  |  |  |  |  |  |  |  |  |  | 20 |  | 6
Duke Capital Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Duke Electric Transmission | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  | 1
Duke Energy Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
Duke Energy Field Services Assets, LLC | US GAS=PHYSICAL | N | 109 |  | 8 | 22 | 32 | 12 | 3 | 22 | 6 |  |  |  |  |  | 1 | 2 |  | 1
Duke Energy Field Services Marketing, LLC | US GAS=PHYSICAL | N | 217 |  | 2 | 3 | 21 | 3 | 3 |  | 6 | 28 | 24 | 13 | 20 | 34 | 27 | 15 | 12 | 6
Duke Energy Field Services, L.L.C. | US GAS=PHYSICAL | N | 9 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 7
Duke Energy Field Services, LP | US GAS=PHYSICAL | N | 57 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 11 | 18 | 27
Duke [NAME], L.P. | US GAS=PHYSICAL | N | 5 |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Duke Energy LNG Sales, Inc. | US GAS=PHYSICAL | N | 5 | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  |  |  | 1
Duke Energy Marketing Limited Partnership | CANADIAN GAS=PHYSICAL | N | 169 | 3 | 25 | 37 | 22 | 9 | 7 | 6 | 1 | 4 | 4 | 5 | 7 | 18 | 5 | 6 | 8 | 2
Duke Energy Marketing Limited Partnership | CANADIAN GAS=PHYSICAL | Y | 3363 | 2 | 124 | 219 | 397 | 349 | 249 | 345 | 447 | 207 | 134 | 164 | 210 | 190 | 61 | 128 | 124 | 13
Duke Energy Marketing Limited Partnership | US GAS=PHYSICAL | N | 195 | 2 | 19 | 19 | 39 | 17 | 13 | 9 | 15 | 11 | 3 | 10 | 19 | 10 | 2 | 6 | 1
Duke Energy Marketing Limited Partnership | US GAS=PHYSICAL | Y | 706 |  | 3 | 12 | 17 | 32 | 9 | 36 | 23 | 108 | 44 | 48 | 91 | 58 | 74 | 90 | 52 | 9
Duke Energy NGL Services, LLC | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Duke Energy Trading and Marketing, L.L.C. | CANADIAN GAS=PHYSICAL | N | 64 |  | 4 | 1 | 2 | 8 | 1 | 12 | 10 | 16 | 2 | 5 | 3
Duke Energy Trading and Marketing, L.L.C. | CANADIAN GAS=PHYSICAL | Y | 175 |  |  | 17 | 53 | 29 | 6 | 7 | 9 | 19 | 16 | 15 | 4
Duke Energy Trading and Marketing, L.L.C. | US GAS=PHYSICAL | N | 2037 | 11 | 161 | 279 | 195 | 164 | 137 | 184 | 119 | 90 | 87 | 114 | 99 | 79 | 113 | 125 | 71 | 9
Duke Energy Trading and Marketing, L.L.C. | US GAS=PHYSICAL | Y | 16407 |  | 136 | 379 | 470 | 696 | 752 | 1053 | 1376 | 1332 | 1514 | 1395 | 1330 | 1672 | 1033 | 1502 | 1554 | 213
Durango Production Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Dynamic Production Inc. | US GAS=PHYSICAL | N | 7 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 3 | 2 |  | 1
Dynegy Canada Inc. | CANADIAN GAS=PHYSICAL | N | 69 |  |  |  | 4 | 4 | 6 | 3 | 2 | 2 | 2 | 1 | 4 | 17 | 16 | 3 | 4 | 1
Dynegy Canada Inc. | CANADIAN GAS=PHYSICAL | Y | 2369 | 8 | 183 | 217 | 235 | 139 | 89 | 142 | 170 | 119 | 149 | 165 | 200 | 109 | 82 | 179 | 169 | 14
Dynegy Canada Inc. | US GAS=PHYSICAL | N | 23 |  |  |  | 3 |  | 4 |  |  |  | 1 | 1 | 4 | 2 | 5 | 3
Dynegy Canada Inc. | US GAS=PHYSICAL | Y | 933 |  | 10 | 17 | 12 | 24 | 14 | 15 | 31 | 27 | 29 | 25 | 48 | 94 | 145 | 225 | 208 | 9
Dynegy Canada Marketing and Trade, a division of Dynegy Canada Inc. | CANADIAN GAS=PHYSICAL | N | 151 | 1 | 21 | 6 | 2 | 11 | 1 | 1 | 9 | 5 | 13 | 4 | 8 | 3 | 26 | 38 | 2
Dynegy Canada Marketing and Trade, a division of Dynegy Canada Inc. | CANADIAN GAS=PHYSICAL | Y | 3 |  |  | 3
Dynegy Canada Marketing and Trade, a division of Dynegy Canada Inc. | US GAS=PHYSICAL | N | 60 | 1 | 21 | 11 | 5 | 14 | 1 | 2 | 2 | 2 | 1
Dynegy Canada Marketing and Trade, a division of Dynegy Canada Inc. | US GAS=PHYSICAL | Y | 3 |  | 1 | 1 |  |  |  |  | 1
Dynegy Energy Resources, Limited Partnership | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  |  |  |  |  | 1
Dynegy Energy Resources, Limited Partnership | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  | 1
Dynegy Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Dynegy Liquids Marketing and Trade | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  | 1
Dynegy Marketing and Trade | CANADIAN GAS=PHYSICAL | N | 19 |  | 2 | 1 |  | 6 |  | 5 | 2 | 3
Dynegy Marketing and Trade | CANADIAN GAS=PHYSICAL | Y | 9 |  |  |  |  |  |  | 3 |  |  |  |  | 6
Dynegy Marketing and Trade | US GAS=PHYSICAL | N | 1579 | 12 | 54 | 124 | 83 | 115 | 91 | 138 | 89 | 62 | 105 | 109 | 91 | 63 | 79 | 171 | 176 | 17
Dynegy Marketing and Trade | US GAS=PHYSICAL | Y | 11961 | 4 | 86 | 208 | 118 | 314 | 317 | 445 | 722 | 577 | 835 | 833 | 992 | 1838 | 1419 | 1529 | 1575 | 149
Dynegy Marketing and [NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Dynegy Midstream Services, Limited Partnership | US GAS=PHYSICAL | N | 1 |  | 1
Dynegy Midstream, Inc. | US GAS=PHYSICAL | N | 3 |  |  | 1 | 1 | 1
e prime, inc. | CANADIAN GAS=PHYSICAL | N | 35 |  |  |  | 1 | 2 |  | 11 | 1 | 7 |  | 1 | 7 | 2 | 2 | 1
e prime, inc. | CANADIAN GAS=PHYSICAL | Y | 3 |  |  |  |  |  |  |  |  |  |  |  | 3
e prime, inc. | US GAS=PHYSICAL | N | 605 | 3 | 10 | 49 | 63 | 22 | 44 | 60 | 42 | 35 | 35 | 30 | 53 | 29 | 30 | 61 | 34 | 5
e prime, inc. | US GAS=PHYSICAL | Y | 2991 |  | 2 | 7 | 27 | 61 | 67 | 104 | 136 | 97 | 89 | 137 | 209 | 486 | 472 | 559 | 459 | 79
Eagle Gas Marketing Company | US GAS=PHYSICAL | N | 3 |  |  |  | 3
Eagle Point Cogeneration Partnership | US GAS=PHYSICAL | N | 1 |  |  | 1
East Kentucky Energy Corporation | US GAS=PHYSICAL | N | 2 |  |  | 1 | 1
East KO Farms Inc. | US GAS=PHYSICAL | N | 8 |  | 2 | 4 | 2
East Ohio Gas Company, The | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  | 3 | 1
Eastern American Energy Corporation | US GAS=PHYSICAL | N | 60 |  | 4 | 2 |  | 6 | 1 | 4 | 2 | 7 | 6 | 4 | 1 | 4 | 12 | 1 | 6
Eastern Kentucky Oil & Gas, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Eastman Chemical Company | US GAS=PHYSICAL | N | 13 |  |  |  |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2
EcoElectrica L.P. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Econnergy Energy Company, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Edison Mission Energy | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Edison Mission Energy | US GAS=PHYSICAL | N | 15 |  | 6 | 2 |  |  |  | 1 | 2 | 1 | 2 |  |  | 1
Edison Mission Energy | US GAS=PHYSICAL | Y | 559 |  |  | 16 | 40 | 22 | 25 | 39 | 29 | 45 | 45 | 68 | 48 | 89 | 56 | 37
Edison Mission Marketing & Trading Inc. | US GAS=PHYSICAL | N | 28 |  |  | 10 | 1 | 2 | 2 | 2 | 5 |  | 6
EEX Corporation | US GAS=PHYSICAL | N | 21 | 1 | 6 | 5 | 2 | 2 |  | 2 | 1 |  |  | 1 |  |  | 1
EEX E&P Company, L.P. | US GAS=PHYSICAL | N | 19 |  |  |  |  | 1 | 3 | 2 | 1 | 3 | 3 |  | 1 | 1 | 2 | 1 | 1
EEX Operating, L.P. | US GAS=PHYSICAL | N | 10 |  |  |  |  |  |  |  |  |  | 3 |  |  | 3 | 1 | 2 |  | 1
Egan Hub Partners, L.P. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
EGP Fuels Company | US GAS=PHYSICAL | N | 9 |  | 4 |  |  |  |  |  |  |  |  |  |  |  | 4 | 1
EJW Family, Ltd. | US GAS=PHYSICAL | N | 14 |  | 1 | 5 | 1 | 1 | 1 | 1 |  |  | 1 |  |  |  | 1 | 2
El Paso Electric Company | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  | 2 |  |  | 1
El Paso Electric Company | US GAS=PHYSICAL | N | 94 |  |  |  |  | 18 | 10 | 13 | 9 | 1 | 11 | 6 | 11 | 5 | 8 |  | 2
El Paso Energy Intrastate Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
El Paso Field Services Company | US GAS=PHYSICAL | N | 8 |  | 2 |  |  |  |  |  |  |  | 2 | 2 | 2
El Paso Gas Marketing Company Inc. | US GAS=PHYSICAL | N | 6 |  | 1 | 1 |  | 1 | 2 |  |  |  |  |  |  |  |  | 1
El Paso Industrial Energy, L.P. | US GAS=PHYSICAL | N | 29 |  |  |  |  |  |  |  |  |  |  |  | 11 | 7 | 6 | 5
El Paso Industrial Energy, L.P. | US GAS=PHYSICAL | Y | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 5
El Paso Merchant Energy - Gas Company | CANADIAN GAS=PHYSICAL | N | 9 |  | 3 |  | 6
El Paso Merchant Energy - Gas Company | US GAS=PHYSICAL | N | 188 | 5 | 56 | 63 | 4 | 4 | 4 | 13 | 6 | 16 | 17
El Paso Merchant Energy - Gas Company | US GAS=PHYSICAL | Y | 2 |  |  | 2
El Paso Merchant Energy - Gas, L.P. | CANADIAN GAS=PHYSICAL | N | 26 |  |  |  |  | 1 | 2 | 8 | 7 | 6 | 1 |  |  |  | 1
El Paso Merchant Energy - Gas, L.P. | CANADIAN GAS=PHYSICAL | Y | 18 |  |  | 5 |  |  |  | 10 |  | 1 |  |  | 2
El Paso Merchant Energy - Gas, L.P. | US GAS=PHYSICAL | N | 627 |  |  | 38 | 91 | 50 | 60 | 76 | 30 | 53 | 24 | 52 | 42 | 54 | 52 | 5
El Paso Merchant Energy - Gas, L.P. | US GAS=PHYSICAL | Y | 9437 |  |  | 16 | 345 | 534 | 440 | 663 | 1054 | 823 | 1024 | 1249 | 1076 | 1132 | 1022 | 56 | 3
El Paso Merchant Energy Canada Inc. | CANADIAN GAS=PHYSICAL | N | 53 |  | 6 | 6 | 2 | 8 | 8 | 3 | 5 | 1 | 1 | 1 | 2 | 8 | 1 |  | 1
El Paso Merchant Energy Canada Inc. | US GAS=PHYSICAL | N | 43 |  | 11 | 6 | 1 | 7 | 5 | 1 | 2 | 1 | 1 | 4 | 3 |  | 1
El Paso Merchant Energy Canada Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
El Paso Merchant Energy, L.P. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
El Paso Merchant Energy, L.P. | CANADIAN GAS=PHYSICAL | Y | 25 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 17 | 7 | 1
El Paso Merchant Energy, L.P. | US GAS=PHYSICAL | N | 70 |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  | 41 | 27
El Paso Merchant Energy, L.P. | US GAS=PHYSICAL | Y | 2446 |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1118 | 1165 | 162
El Paso Production Company | US GAS=PHYSICAL | N | 1 |  | 1
El Sordo Gathering System, Inc. | US GAS=PHYSICAL | N | 4 |  | 1 | 1 | 1 | 1
Elf Exploration Inc. | US GAS=PHYSICAL | N | 9 |  |  | 2 | 1 | 1 | 4 | 1
Elk Point Resources Inc | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  | 1 |  |  |  |  | 2 | 1 | 1
Elk River Public Utility District | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Elkins Gas Company | US GAS=PHYSICAL | N | 6 |  |  | 1 | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Elliott Oil & Gas Co. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Elliott, WE Jr, Trustee | US GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
[NAME], [NAME] (Hank) | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Elms Brothers and Company | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Embassy Natural Gas Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 | 1 | 1
Empire Natural Gas Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Empire Natural Gas Corporation | US GAS=PHYSICAL | N | 418 | 1 | 4 | 6 | 20 | 26 | 57 | 34 | 23 | 39 | 37 | 29 | 92 | 34 | 8 | 4 | 3 | 1
Empire Natural Gas Corporation | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Enbridge Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  | 3
Encal Energy Ltd. | CANADIAN GAS=PHYSICAL | N | 179 | 2 | 11 | 18 | 6 | 19 | 18 | 7 | 11 | 5 |  | 8 | 13 | 28 | 16 | 13 | 4
Encal Energy Ltd. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  | 1
Encal Energy Ltd. | US GAS=PHYSICAL | N | 5 |  |  |  | 5
Encina Gas Marketing Company, L.L.C. | US GAS=PHYSICAL | N | 158 | 1 | 24 | 26 | 18 | 29 | 20 | 19 | 5 |  | 16
Encina Gas Marketing Company, L.L.C. | US GAS=PHYSICAL | Y | 141 |  |  |  |  | 11 | 35 | 49 | 46
Enco Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 316 |  |  |  |  |  | 20 | 38 | 21 | 10 | 39 | 25 | 33 | 33 | 24 | 37 | 32 | 4
Enco Resources, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Encogen One Partners, Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Encore Acquisition Partners, Inc | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Encounter | CANADIAN GAS=PHYSICAL | N | 210 |  |  |  |  |  | 7 | 21 | 22 | 17 | 22 | 16 | 19 | 23 | 18 | 24 | 19 | 2
Encounter | US GAS=PHYSICAL | N | 14 |  | 1 |  |  |  | 13
Encounter | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
End Users, Inc. | US GAS=PHYSICAL | N | 10 |  |  |  | 2 | 1 | 1 |  | 1 | 1 | 1 | 1 |  | 1 |  |  | 1
End Users, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Enerfin Resources I Limited Partnership | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  | 5 |  |  | 1 |  | 2
Enerfin Resources II-92 Limited Partnership | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Energy Development Corporation | US GAS=PHYSICAL | N | 12 |  | 2 | 1 |  | 2 |  |  | 2 | 1 |  |  |  |  |  | 3 | 1
Energy Dynamics Management, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Energy Dynamics Management, Inc. | US GAS=PHYSICAL | N | 6 |  | 1 |  | 1 | 3 | 1
Energy Dynamics, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Energy Gateway.com | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 2
Energy Group | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Energy Resource Technology, Inc. | CANADIAN GAS=PHYSICAL | N | 7 |  |  |  | 6 | 1
Energy Resource Technology, Inc. | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Energy Resource Technology, Inc. | US GAS=PHYSICAL | N | 182 |  | 11 | 10 | 13 | 8 | 10 | 7 | 7 | 16 | 13 | 12 | 10 | 21 | 13 | 17 | 14
Energy Search Incorporated | US GAS=PHYSICAL | N | 8 |  |  |  |  | 2 |  |  |  |  | 2 |  |  |  | 1 | 2 |  | 1
Energy Transfer Company | US GAS=PHYSICAL | N | 8 |  |  |  | 3 | 3 |  |  |  |  |  |  |  | 2
Energy West Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
EnergyUSA-TPC Corp. | CANADIAN GAS=PHYSICAL | N | 8 |  | 1 | 3 | 1 | 3
EnergyUSA-TPC Corp. | US GAS=PHYSICAL | N | 442 | 4 | 29 | 24 | 40 | 56 | 44 | 21 | 32 | 23 | 10 | 10 | 13 | 34 | 12 | 38 | 49 | 3
EnergyUSA-TPC Corp. | US GAS=PHYSICAL | Y | 4162 |  |  |  | 13 | 260 | 300 | 211 | 263 | 266 | 402 | 390 | 298 | 389 | 281 | 436 | 588 | 65
EnerVest Energy L.P. | US GAS=PHYSICAL | N | 5 |  |  |  | 2 |  | 2 |  | 1
EnerVest San Juan Operating, L.L.C. | US GAS=PHYSICAL | N | 6 |  | 3 | 2 |  | 1
Engage Energy Canada L.P. | CANADIAN GAS=PHYSICAL | N | 290 | 1 | 10 | 10 | 5 | 4 | 8 | 14 | 9 | 3 | 22 | 29 | 23 | 42 | 36 | 47 | 27
Engage Energy Canada L.P. | CANADIAN GAS=PHYSICAL | Y | 1944 | 15 | 100 | 82 | 144 | 150 | 141 | 159 | 138 | 158 | 111 | 147 | 161 | 127 | 85 | 88 | 115 | 23
Engage Energy Canada L.P. | US GAS=PHYSICAL | N | 185 |  | 7 | 8 | 33 | 16 | 17 | 32 | 9 | 5 | 1 | 3 | 5 | 18 | 10 | 20 | 1
Engage Energy Canada L.P. | US GAS=PHYSICAL | Y | 887 |  | 51 | 37 | 41 | 38 | 29 | 35 | 33 | 8 | 34 | 18 | 39 | 102 | 99 | 134 | 165 | 24
Engelhard Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
England Energy LLC | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1
EniChem Americas, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  | 4
Enline Energy Solutions, L.L.C. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Enline Energy Solutions, L.L.C. | US GAS=PHYSICAL | N | 152 |  | 15 | 1 | 11 | 15 | 4 | 16 | 9 | 1 | 42 | 14 | 4 | 4 | 11 | 1 | 3 | 1
Enmax Corporation | CANADIAN GAS=PHYSICAL | Y | 2 |  |  | 2
enovate, L.L.C. | US GAS=PHYSICAL | N | 11 |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 2 | 8
Enron Direct Limited Partnership, by its general partner Enron Direct Canada Corp. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Enron Energy Services Operations, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 |  | 1
Enron Energy Services, Inc. | CANADIAN GAS=PHYSICAL | N | 6 |  | 2 |  | 1 | 2 |  |  |  |  |  |  |  |  |  | 1
Enron Energy Services, Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Enron Energy Services, Inc. | US GAS=PHYSICAL | N | 838 | 14 | 59 | 72 | 60 | 69 | 47 | 32 | 40 | 27 | 32 | 42 | 46 | 70 | 76 | 78 | 71 | 3
Enron Energy Services, Inc. | US GAS=PHYSICAL | Y | 1657 |  | 17 | 24 | 45 | 132 | 70 | 81 | 120 | 99 | 143 | 78 | 91 | 100 | 158 | 215 | 279 | 5
Enron Energy Services, LLC | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Enron Energy Services, LLC | US GAS=PHYSICAL | N | 23 |  |  |  |  |  |  | 5 | 1 | 1 |  | 5 | 3 |  | 7 | 1
Enron Oil Trading & Transp | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Enserco Energy, Inc. | CANADIAN GAS=PHYSICAL | N | 136 |  | 1 | 1 | 6 | 29 |  | 11 | 3 | 5 | 8 | 18 | 14 | 4 | 11 | 16 | 9
Enserco Energy, Inc. | CANADIAN GAS=PHYSICAL | Y | 1533 |  |  | 1 | 34 | 106 | 89 | 107 | 163 | 113 | 151 | 199 | 134 | 105 | 51 | 159 | 111 | 10
Enserco Energy, Inc. | US GAS=PHYSICAL | N | 150 | 3 | 4 | 2 | 12 | 6 | 25 | 16 | 10 | 10 | 12 | 16 | 15 | 8 | 3 | 4 | 4
Enserco Energy, Inc. | US GAS=PHYSICAL | Y | 4949 |  |  | 7 | 73 | 330 | 211 | 261 | 246 | 267 | 340 | 251 | 343 | 929 | 647 | 631 | 394 | 19
Entergy Arkansas, Inc. | US GAS=PHYSICAL | N | 32 |  |  |  |  | 7 | 5 | 2 | 8 | 10
Entergy Gulf States, Inc. | US GAS=PHYSICAL | N | 177 | 2 | 13 | 42 | 34 | 2 | 5 | 2 | 10 | 9 | 19 | 10 | 10 | 4 | 6 | 5 | 4
Entergy Gulf States, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 63 |  | 1 | 7 |  | 6 | 14 | 5 | 12 | 3 | 13 | 2
Entergy Mississippi, Inc. | US GAS=PHYSICAL | N | 42 | 2 | 11 | 10 | 16 |  |  | 1 | 1 |  | 1
Entergy New Orleans, Inc. | US GAS=PHYSICAL | N | 15 | 1 | 2 |  | 2 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
Entergy Power Marketing Corp. | CANADIAN GAS=PHYSICAL | N | 2 |  | 1 | 1
Entergy Power Marketing Corp. | US GAS=PHYSICAL | N | 10 |  | 1 | 1 | 2 |  | 2 |  |  | 3 |  |  |  | 1
Entergy Power Marketing Corp. | US GAS=PHYSICAL | Y | 11 |  |  |  |  |  |  |  | 1 |  |  | 1 |  |  | 9
Entergy Power, Inc. | US GAS=PHYSICAL | N | 22 | 1 |  | 2 | 4 | 6 |  | 9
Entergy Trading and Marketing Limited | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Enterprise Oil Louisiana Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Enterprise Oil plc | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Enterprise Products Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Entex Gas Marketing Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Entex Gas Marketing Company | US GAS=PHYSICAL | N | 79 |  | 3 | 6 | 22 | 8 | 2 | 3 | 16 | 6 | 3 | 8 | 1 | 1
Entex Gas Resources Corp. | US GAS=PHYSICAL | N | 15 |  |  |  |  |  |  |  |  | 1 | 2 |  | 5 | 1 | 4 | 1 | 1
Entex Gas Resources Corp. | US GAS=PHYSICAL | Y | 59 |  |  |  |  |  |  |  |  |  | 1 |  | 3 | 1 | 4 | 18 | 28 | 4
EOG Resources Canada Inc. | CANADIAN GAS=PHYSICAL | N | 198 |  |  |  |  | 19 | 9 | 20 | 20 | 23 | 20 | 17 | 19 | 12 | 15 | 17 | 7
EOG Resources Canada Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  | 1
EOG Resources Canada Inc. | US GAS=PHYSICAL | N | 12 |  |  |  |  |  | 12
EOG Resources Canada Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
EOG Resources East Texas L.L.C. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 |  | 1
EOG Resources Marketing, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 1 | 1
EOG Resources Marketing, Inc. | US GAS=PHYSICAL | N | 131 |  |  |  | 19 | 1 | 1 | 1 | 8 | 8 | 6 | 3 | 7 | 9 | 13 | 34 | 19 | 2
EOG Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  | 2 |  |  |  |  | 1
EOG Resources, Inc. | US GAS=PHYSICAL | N | 105 |  | 2 | 18 | 6 | 3 | 20 | 8 | 5 | 2 | 8 | 1 | 2 | 2 | 3 | 10 | 13 | 2
EOTT Energy Canada Limited Partnership | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
EOTT Energy Operating Limited Partnership | US GAS=PHYSICAL | N | 15 |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 1 | 5 | 3 | 2 | 2
EPI, Inc. | US GAS=PHYSICAL | N | 6 |  |  |  |  |  | 3 |  |  |  |  |  |  |  | 3
Equistar Chemicals, LP | US GAS=PHYSICAL | N | 54 | 1 | 3 | 4 | 7 | 2 | 4 | 1 |  | 2 | 9 | 3 | 5 | 3 | 1 | 5 | 4
Equitable Energy L.L.C. | CANADIAN GAS=PHYSICAL | N | 3 |  | 1 | 2
Equitable Energy L.L.C. | US GAS=PHYSICAL | N | 105 |  |  | 2 | 18 | 14 | 27 | 15 | 11 | 3 | 5 | 6 | 2 |  |  | 1 | 1
Equitable Energy L.L.C. | US GAS=PHYSICAL | Y | 813 |  |  | 31 | 29 | 71 | 53 | 67 | 48 | 53 | 50 | 85 | 35 | 43 | 86 | 70 | 89 | 3
Equitable Gas Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Equitable Gas Company | US GAS=PHYSICAL | N | 48 |  | 2 | 14 | 20 | 7 | 1 | 2 |  |  |  | 1 | 1
Equitable Gas Company | US GAS=PHYSICAL | Y | 76 |  |  |  |  |  |  |  |  |  |  | 3 | 4 | 8 | 35 | 15 | 9 | 2
Equitable Resources Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
ESCO Oil & Gas Inc. | US GAS=PHYSICAL | N | 14 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 | 1 | 1 | 1 | 1
ETOCO, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 2 | 1
Eureka Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
EuroAmerican Energy Services Ltd Co | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  | 2 |  |  | 2
Evan Energy Company, LC | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  | 3 |  |  |  | 1 | 1
Evergreen Resources | US GAS=PHYSICAL | N | 2 |  | 1 |  |  | 1
EXCO Resources, Inc. | US GAS=PHYSICAL | N | 10 |  |  |  |  |  |  |  |  |  |  |  | 2 | 3 | 3 | 1 | 1
EXCO Resources, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Exelon Energy Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Exelon Energy Company | US GAS=PHYSICAL | Y | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 1
Exploration Partners, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Exxon Chemical Company | US GAS=PHYSICAL | N | 3 |  |  | 1 | 1 | 1
Exxon Company, USA, a Division of Exxon Corporation | US GAS=PHYSICAL | N | 227 | 1 | 17 | 23 | 18 | 40 | 48 | 34 | 20 | 14 | 4 | 5 | 1 | 1 | 1
Exxon Mobil Corporation | US GAS=PHYSICAL | N | 136 |  | 7 | 7 | 5 | 10 | 5 | 4 | 6 | 9 | 7 | 7 | 10 | 8 | 21 | 11 | 19
ExxonMobil Gas Marketing Company, a division of Exxon Mobil Corporation | US GAS=PHYSICAL | N | 83 |  |  |  |  |  |  |  | 14 | 14 | 7 | 7 | 6 | 4 | 4 | 6 | 17 | 4
ExxonMobil Marketing Company, a division of Exxon Mobil Corporation | US GAS=PHYSICAL | N | 10 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10
Fair Oaks Production Company | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Fairways Offshore Exploration, Inc. | US GAS=PHYSICAL | N | 13 |  |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 | 1 | 1 | 1
Fairways Offshore Exploration, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Farmland Industries, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  | 1 |  |  | 1 |  |  | 1
Faulconer 1996, LLC | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Felderhoff Production Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 2
Fields Exploration, Inc | US GAS=PHYSICAL | N | 3 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 2
Fina Natural Gas Company | US GAS=PHYSICAL | N | 55 |  | 2 | 4 | 1 | 5 | 6 | 3 | 1 | 12 | 10 | 11
Fina Natural Gas Company | US GAS=PHYSICAL | Y | 64 |  |  |  |  | 7 | 17 | 11 | 15 | 2 | 8 | 4
Fina, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
First Energy Corp. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 | 1
First Energy Trading Services, Inc. | US GAS=PHYSICAL | N | 11 |  |  | 2 |  |  | 2 |  | 5 | 2
FirstEnergy Corp. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
FirstEnergy Services Corp. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
FirstEnergy Services Corp. | US GAS=PHYSICAL | Y | 68 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 | 55 | 8
FirstEnergy Trading Services, Inc. | US GAS=PHYSICAL | N | 158 |  | 9 | 23 | 26 | 30 | 24 | 22 | 13 | 3 | 3 | 2 |  | 1 | 2
FirstEnergy Trading Services, Inc. | US GAS=PHYSICAL | Y | 769 |  |  |  |  |  |  |  | 59 | 125 | 170 | 115 | 81 | 129 | 58 | 32
Fletcher Challenge Energy Canada Inc. | CANADIAN GAS=PHYSICAL | N | 31 |  |  |  | 3 | 20 |  |  |  |  |  | 1 | 3 | 1 | 1 | 2
Fletcher Challenge Energy Canada Inc. | CANADIAN GAS=PHYSICAL | Y | 3 |  |  |  |  |  | 3
Fletcher Challenge Energy Canada Inc. | US GAS=PHYSICAL | N | 5 |  |  |  | 2 |  | 3
Flextrend Development Company, L.L.C. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Florence Smally Hochberg, Agent | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Florida Gas Utility | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Florida Gas Utility | US GAS=PHYSICAL | N | 49 |  |  |  |  | 1 |  |  | 1 | 7 | 5 | 6 | 9 | 6 | 6 | 4 | 4
Florida Power & Light Company | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
Florida Power & Light Company | US GAS=PHYSICAL | N | 295 | 2 | 1 | 32 | 33 | 47 | 45 | 14 | 18 | 20 | 5 | 13 | 10 | 11 | 17 | 21 | 5 | 1
Florida Power & Light Company | US GAS=PHYSICAL | Y | 175 |  |  |  |  | 2 | 9 | 10 | 26 | 15 | 10 | 58 | 6 | 23 | 11 | 4 |  | 1
Florida Power Corporation | US GAS=PHYSICAL | N | 159 | 2 |  | 8 | 1 | 12 | 18 |  | 6 | 8 | 5 | 7 | 14 | 18 | 24 | 20 | 15 | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Foothills Pipe Line Ltd. | CANADIAN GAS=PHYSICAL | N | 4 |  |  | 1 | 3
Foothills Pipe Line Ltd. | US GAS=PHYSICAL | N | 5 |  |  | 5
Ford Motor Company Of Canada, Ltd. | CANADIAN GAS=PHYSICAL | N | 4 |  |  | 1 | 1 | 1 | 1
Forest Oil Corporation | US GAS=PHYSICAL | N | 33 |  | 1 | 2 | 1 | 1 | 1 | 2 | 1 | 2 | 3 | 3 | 3 | 2 | 2 | 4 | 5
Formosa Hydrocarbons Company, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  | 1 |  | 2 | 1 | 1 | 1 | 1
Formosa Plastics Corporation, Louisiana | US GAS=PHYSICAL | N | 11 |  |  | 1 | 1 | 1 | 1 | 1 |  |  |  |  |  | 2 | 1 | 1 | 2
Fort James Canada Inc | CANADIAN GAS=PHYSICAL | N | 9 |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 1 |  | 4
Fort James Canada Inc | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
Fort James Corporation | CANADIAN GAS=PHYSICAL | N | 7 |  | 1 | 2 |  |  |  |  | 4
Fort James Corporation | US GAS=PHYSICAL | N | 42 | 2 | 13 | 10 |  | 3 | 2 | 1 | 6 |  |  | 1 | 2 |  |  | 1 | 1
Fort James Operating Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Forte Energy Ltd | CANADIAN GAS=PHYSICAL | N | 8 |  |  | 1 |  |  |  | 1 |  |  |  |  |  | 3 | 3
Forterm Forest Products Terminal Corporation, Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Four Square Gas Company, Inc. | US GAS=PHYSICAL | N | 6 |  | 1 |  |  |  |  |  |  | 1 | 1 | 1 |  |  |  | 1 | 1
FPL Energy Power Marketing, Inc. | US GAS=PHYSICAL | N | 37 |  |  |  |  |  |  |  |  |  | 4 | 4 | 8 | 6 | 10 | 1 | 4
FPL Energy Power Marketing, Inc. | US GAS=PHYSICAL | Y | 368 |  |  |  |  |  |  |  |  |  |  | 11 | 27 | 130 | 116 | 49 | 35
FPL Energy Services Inc. | US GAS=PHYSICAL | N | 13 |  |  |  |  |  |  | 7 | 2 |  | 1 | 3
FPL Energy Services Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Freedom Resources, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
Fulton Cogeneration Associates | US GAS=PHYSICAL | N | 1 |  |  | 1
Fultondale Gas Board, City Of | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  | 1 | 1 | 9 |  |  | 1
G & G Gas, Inc | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  | 1 | 1
G&O Resources | US GAS=PHYSICAL | N | 13 |  |  | 1 | 2 |  |  |  |  |  |  | 1 |  |  | 3 | 3 | 1 | 2
Gaither Petroleum Corp. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  | 1
Galveston Bay Resources, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Gardner Energy Corporation | US GAS=PHYSICAL | N | 5 |  |  |  | 3 |  |  |  |  |  |  |  | 2
Garland, City Of | US GAS=PHYSICAL | N | 19 |  |  | 1 |  |  |  | 5 |  | 8 | 4 |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 6 |  |  | 2 |  |  |  |  |  |  |  |  |  |  | 4
[NAME] and [NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1
Gas Alberta Inc. | CANADIAN GAS=PHYSICAL | N | 84 |  | 13 | 7 |  | 11 | 2 | 13 | 7 |  | 17 |  | 1 | 5 |  | 3 | 5
Gas Alberta Inc. | CANADIAN GAS=PHYSICAL | Y | 106 |  | 14 | 1 | 6 |  | 12 | 40 | 5 | 7 | 5 | 7 | 2 | 7
Gas Alberta Inc. | US GAS=PHYSICAL | N | 3 |  |  |  | 3
Gas Enterprise Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 |  |  |  |  |  |  | 1
Gas Marketing Inc | US GAS=PHYSICAL | N | 35 |  |  |  |  | 1 | 3 | 4 | 6 | 3 | 3 | 2 | 4 | 3 | 2 | 3 | 1
Gas Solutions, Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Gasper Rice & Assosiates, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  | 1 |  |  |  |  | 2
Gasper Rice Resources, Ltd. | US GAS=PHYSICAL | N | 4 |  | 1 | 2 |  |  |  | 1
Gateway Pipeline Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  | 1 | 1 | 1 |  |  |  |  |  |  | 1
Gatherco, Inc. | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  |  |  |  | 1 | 3 | 6 |  | 2
[NAME] and Company, Limited Partnership | CANADIAN GAS=PHYSICAL | N | 180 | 1 | 10 | 15 | 7 | 33 | 2 | 8 | 4 | 6 | 10 | 17 | 24 | 10 | 11 | 18 | 4
[NAME] and Company, Limited Partnership | US GAS=PHYSICAL | N | 20 |  |  |  | 7 |  | 13
Gaz Metropolitain Inc. | US GAS=PHYSICAL | N | 2 |  |  |  | 2
GearyEnergy, LLC | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
GearyEnergy, LLC | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 6
General Gas Company, L.P. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 | 2
Genesis Exploration Ltd. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  | 1
Genesis Exploration Ltd. | US GAS=PHYSICAL | N | 2 |  | 1 |  | 1
Genesis Resources Corporation | US GAS=PHYSICAL | N | 5 |  |  |  |  |  | 2 | 1 | 2
Geo Engineering, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  | 3 |  |  |  |  |  |  |  | 4
Geoex, Inc. | US GAS=PHYSICAL | N | 17 |  |  | 1 | 2 |  |  |  |  |  |  |  |  |  | 4 | 7 |  | 3
[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Georgetown Oil Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1 |  | 1
Georgetown University | US GAS=PHYSICAL | N | 17 |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 2 | 2 | 5 | 5
Georgia Gulf Corporation | US GAS=PHYSICAL | N | 29 |  |  |  |  | 9 |  | 5 |  | 5 |  | 2 | 4 | 2 |  | 2
Georgia Power Company | US GAS=PHYSICAL | N | 102 |  |  |  | 1 | 9 | 5 | 14 | 13 | 20 | 14 | 14 | 4 | 2 |  | 6
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
Germaiz S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Geronimo Energy | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Giant Refining Company | CANADIAN GAS=PHYSICAL | N | 11 |  | 2 | 2 | 2 | 2 |  | 1 | 1 | 1
Giant Refining Company | US GAS=PHYSICAL | N | 20 |  |  | 2 | 1 |  | 4 |  |  |  | 2 | 3 | 2 | 3 | 1 |  | 2
Glaze Farms | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Glencoe Resources Ltd. | CANADIAN GAS=PHYSICAL | N | 21 |  | 4 | 3 | 1 | 1 |  | 7 | 2 | 2 |  | 1
Glencoe Resources Ltd. | CANADIAN GAS=PHYSICAL | Y | 8 |  |  |  |  |  |  |  | 5 | 2 |  | 1
Glispie & Edith Howard | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Global Octanes Texas L.P. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 | 1
GMT Company Inc. | US GAS=PHYSICAL | N | 8 |  |  |  |  | 1 | 1 |  |  |  |  |  | 1 | 1 | 1 | 2 |  | 1
Goehler, [NAME] | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Goldston Oil Corporation | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  | 1 | 1 | 1 |  |  | 1 | 2
GPM Gas Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
G-R Contracting, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME], LLC | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 2 | 2 |  | 1
Grantech Inc. | CANADIAN GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  |  |  |  |  | 7 | 1 | 2 | 2
Great Lakes Energy Partners L.L.C. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 2
Great River Energy | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 5 | 2
Greeley Gas Company an Operating Division of Atmos Energy Corp. | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 | 5
Green Gas Company | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 3 |  | 2
Greenbrier Energy Inc | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Griffin Energy Marketing, L.L.C. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 2
Griffin [NAME], Georgia | US GAS=PHYSICAL | N | 1 |  | 1
Guadalupe Power Partners LP | US GAS=PHYSICAL | N | 17 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 3 | 6 | 6
Gulf Canada Energy Partnership | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Gulf Canada Resources Limited | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 3
Gulf Coast Pipeline Company | US GAS=PHYSICAL | N | 1 |  | 1
Gulf Energy Marketing Company | US GAS=PHYSICAL | N | 10 |  |  | 1 | 1 | 1 | 1 |  |  |  |  |  | 1 |  | 2 | 3
Gulf Gas Utilities Company | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  |  | 1
Gulf Power Company | US GAS=PHYSICAL | N | 4 |  |  | 1 | 2 |  | 1
Gulf South Pipeline Company, LP | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Guyan Gas Producers Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
H & H Energy of Ohio, Ltd | US GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
H D Wells Oil & Gas Exploration and Development Inc | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  | 1
H D Wells Oil & Gas Exploration and Development Inc | US GAS=PHYSICAL | N | 5 |  |  |  | 1 | 1 |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
H&D Operating Company | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 1 |  |  | 1 | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
H.E. Acker | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Hall Energy Company | US GAS=PHYSICAL | N | 7 |  | 2 | 1 |  |  |  |  |  | 2 |  |  |  |  | 1 | 1
Hall-Houston Oil Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 1 | 1
Hallwood Energy Partners, LP | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Hallwood Petroleum, Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  | 1 |  |  |  | 1 |  |  | 1
Hallwood Petroleum, Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Hallwood Petroleum, Inc. | US GAS=PHYSICAL | N | 11 | 1 | 4 | 1 | 2 |  |  |  | 1 |  |  |  |  |  |  | 1 | 1
Hampshire Chemical Corporation | US GAS=PHYSICAL | N | 1 |  | 1
Haney, DG, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Hanson Production Company | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 2 |  | 1
Hardee Power Partners Limited | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Hardee Power Partners Limited | US GAS=PHYSICAL | N | 236 |  | 2 | 8 | 4 | 23 | 22 | 14 | 14 | 19 | 24 | 19 | 18 | 31 | 11 | 12 | 11 | 4
Harden, LJ | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Harrison Energy | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
[NAME], Trustee | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Hassie Hunt Exploration Company | US GAS=PHYSICAL | N | 5 |  |  |  |  |  | 1 | 1 | 2 |  |  |  |  |  |  | 1
HAT Oil & Gas Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Hays & Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1
Heartland Steel, Inc. | US GAS=PHYSICAL | N | 28 |  | 1 |  | 2 | 2 | 1 | 1 | 5 | 3 | 3 | 1 |  | 5 | 2 | 2
Heartland Steel, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Heatherloch Municipal Utility District | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  | 2 | 1 | 1 | 1 | 1
Helmerich & Payne Energy Services, Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  | 3
Helmerich & Payne Energy Services, Inc. | US GAS=PHYSICAL | N | 268 | 2 | 8 | 23 | 61 | 42 | 30 | 41 | 42 | 16 |  |  | 1 |  |  | 1 | 1
Helmerich & Payne Energy Services, Inc. | US GAS=PHYSICAL | Y | 35 |  |  |  |  |  |  |  | 1 |  |  |  | 6 | 5 | 5 | 14 | 3 | 1
Helmerich & Payne Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  | 2 |  | 1 |  |  |  | 1 |  |  | 1
Hennig Production Company, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  | 3 | 2
Herald Oil & Gas | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  |  | 1
HESCO Gathering Company, L.L.C. | US GAS=PHYSICAL | N | 150 |  | 1 | 1 | 2 | 10 | 9 | 12 |  | 1 | 2 | 15 | 11 | 25 | 27 | 22 | 2 | 10
Hess Energy Services Company, LLC | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Hess Energy Services Company, LLC | US GAS=PHYSICAL | N | 153 | 1 | 6 | 41 | 26 | 10 | 19 | 8 | 5 | 1 | 2 | 1 | 9 | 13 | 4 | 2 | 5
Hess Energy Services Company, LLC | US GAS=PHYSICAL | Y | 930 |  |  |  |  |  | 1 | 78 | 130 | 79 | 99 | 42 | 63 | 120 | 93 | 94 | 121 | 10
Hess Energy Trading Company LLC | US GAS=PHYSICAL | N | 4 |  |  |  | 1 | 1 |  |  | 1 |  |  |  |  | 1
Hess Energy, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Highland Energy Company | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Highland Energy Company | US GAS=PHYSICAL | N | 515 | 1 | 15 | 16 | 19 | 42 | 16 | 10 | 25 | 16 | 37 | 24 | 26 | 30 | 43 | 69 | 116 | 10
Highland Energy Company | US GAS=PHYSICAL | Y | 4 |  |  |  |  |  |  |  |  |  |  |  | 4
Highlands Gas Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Highview Resources Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Hilcorp Energy Company | US GAS=PHYSICAL | N | 14 |  |  |  |  | 1 | 1 |  |  | 2 | 7 |  |  |  | 1 |  | 1 | 1
Hilcorp Energy I, L.P. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 |  | 1
Hilliard Petroleum Inc. | US GAS=PHYSICAL | N | 2 |  | 1 | 1
Hobbs, Columbus | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 10 | 1 | 1 | 1 | 1 | 1 |  | 1 | 1 |  | 2 |  |  |  |  | 1
Hollimon Oil Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  |  | 1 | 1 |  |  |  |  | 1
Honeywell Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  | 4
Hope Gas Inc. | US GAS=PHYSICAL | N | 2 |  |  |  | 1 | 1
Hopewell Cogeneration Limited Partnership | US GAS=PHYSICAL | N | 16 |  |  | 1 | 9 |  |  |  | 1 |  |  | 1 |  | 2 | 2
Horizon Exploration Company | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Horner's Oil & Gas Production | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Houston Exploration & Production | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 2
Houston Resources Corp | US GAS=PHYSICAL | N | 4 |  |  |  |  | 4
Howell Petroleum Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Howmet Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
HRH Partners Ltd | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
HS Energy Services, Inc. | US GAS=PHYSICAL | N | 98 | 1 | 6 | 4 | 2 |  | 4 | 4 | 3 |  | 8 | 1 | 1 | 6 | 36 | 21 | 1
HS Energy Services, Inc. | US GAS=PHYSICAL | Y | 39 |  |  |  |  |  |  |  |  |  | 4 |  | 1 |  | 2 | 23 | 9
HS Resources, Inc. | US GAS=PHYSICAL | N | 25 |  | 2 |  | 1 | 5 |  |  |  |  |  | 1 | 3 | 1 | 2 | 3 | 6 | 1
HS Resources, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  | 1
Hubbard Oil Corporation | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 3 |  | 1
Hughes Energy Investments LLC | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
HUISH detergents, inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Hungerford Grain Co., Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Hunt Oil Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Hunt Oil Company | US GAS=PHYSICAL | N | 35 |  | 2 | 1 | 10 | 2 | 1 | 3 | 1 | 1 | 1 | 2 |  | 2 | 1 | 7 | 1
Hunt Oil Company | US GAS=PHYSICAL | Y | 51 |  |  |  | 1 |  |  | 16 | 6 | 16 |  | 2 |  | 7 | 1 |  | 2
Hunt Oil Company of Canada, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Hunt Oil Company of Canada, Inc. | US GAS=PHYSICAL | N | 29 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 | 15 | 11
Hunt Petroleum Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Hunt Petroleum Corporation | US GAS=PHYSICAL | N | 27 |  |  |  | 1 | 6 |  | 1 | 3 | 1 | 1 | 2 | 2 |  | 3 | 4 | 3
Hurd Enterprises Ltd. | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  |  |  | 2 | 2 | 2 | 2 | 4
Husky (USA) Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 1 |  | 1
Husky Gas Marketing Inc. | US GAS=PHYSICAL | N | 7 |  |  |  | 1 | 1 |  |  |  |  | 1 | 1 |  |  | 3
Husky Oil Limited | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 | 1
Husky Oil Limited | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  | 2 |  |  |  |  | 1 | 2
Husky Oil Operations Limited | CANADIAN GAS=PHYSICAL | N | 248 |  |  | 3 | 2 | 6 | 3 | 23 | 30 | 27 | 24 | 25 | 12 | 20 | 15 | 26 | 32
Husky Oil Operations Limited | US GAS=PHYSICAL | N | 32 | 2 |  |  | 8 | 2 | 4 | 2 | 5 | 1 |  |  |  |  |  | 5 | 2 | 1
Hydrocarbon Lease Management, Inc. | US GAS=PHYSICAL | N | 11 |  |  |  |  |  |  | 1 | 1 |  | 3 | 1 | 1 |  | 1 | 2 | 1
Hydro-Quebec | CANADIAN GAS=PHYSICAL | N | 250 | 15 | 12 | 11 | 17 | 18 | 20 | 35 | 26 | 17 | 18 | 15 | 7 | 6 | 2 | 19 | 12
Hydro-Quebec | US GAS=PHYSICAL | N | 39 | 1 |  | 1 | 2 |  |  |  |  |  |  |  | 2 |  | 11 | 17 | 5
I.M.S.A. Industria [NAME] S.A.C. e I. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
ICC Energy Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
ICC Energy Corporation | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
ICC Energy Corporation | US GAS=PHYSICAL | N | 118 |  | 3 | 3 | 7 | 2 | 6 | 1 | 6 | 1 | 34 | 16 | 14 | 19 | 3 | 2 | 1
Idacorp Energy Solutions, L.P. | US GAS=PHYSICAL | N | 51 | 1 | 1 | 3 | 4 | 4 | 4 | 6 | 2 | 1 | 1 | 1 | 5 | 3 | 4 | 7 | 4
Idacorp Energy Solutions, L.P. | US GAS=PHYSICAL | Y | 1067 |  | 1 | 1 | 6 | 53 | 53 | 44 | 87 | 91 | 78 | 49 | 86 | 115 | 14 | 149 | 225 | 15
Idaho Power Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
IGI Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 367 |  |  |  | 8 | 14 | 11 | 31 | 54 | 34 | 50 | 45 | 95 | 18 | 3 | 2 | 2
IGI Resources, Inc. | CANADIAN GAS=PHYSICAL | Y | 104 |  |  |  |  |  |  |  |  |  |  |  | 1 | 20 | 22 | 3 | 56 | 2
IGI Resources, Inc. | US GAS=PHYSICAL | N | 141 |  |  | 5 | 8 | 5 | 7 | 3 | 16 | 17 | 8 | 6 | 13 | 11 | 9 | 14 | 19
IGI Resources, Inc. | US GAS=PHYSICAL | Y | 131 |  |  |  |  |  |  |  |  |  |  |  | 5 | 4 | 54 | 17 | 51
[NAME], Agent | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Illinois Power Company | US GAS=PHYSICAL | N | 3 |  |  | 1 | 1 |  |  |  |  |  |  |  |  |  | 1
Illinova Energy Partners, Inc. | US GAS=PHYSICAL | N | 10 | 1 | 1 | 7 | 1
IMD Storage, Transportation and Asset Management Company, L.L.C. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  | 3 |  |  |  |  | 1
IMD Storage, Transportation and Asset Management Company, L.L.C. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Imperial Oil Limited | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Imperial Oil Resources | CANADIAN GAS=PHYSICAL | N | 179 | 3 | 20 | 16 | 5 | 16 | 3 | 11 | 8 | 6 | 12 | 1 | 2 | 18 | 14 | 13 | 27 | 4
Imperial Oil Resources | US GAS=PHYSICAL | N | 2 |  |  |  | 2
Imperial Oil Resources Limited | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  | 3
Indeck Energy Services Of Oswego, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Indeck Energy Services of Silver Springs Inc. | US GAS=PHYSICAL | N | 27 |  | 2 | 3 | 4 | 3 | 5 | 2 | 1 |  |  |  | 1 | 3 | 2 |  | 1
Indeck Pepperell Power Associates | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7
Indeck-Corinth Limited Partnership | US GAS=PHYSICAL | N | 44 |  | 3 | 4 | 12 | 1 |  |  | 1 |  |  | 9 | 1 | 5 | 4 |  | 3 | 1
Indeck-Ilion Limited Partnership | US GAS=PHYSICAL | N | 8 |  |  | 2 |  |  |  | 1 | 4 |  |  |  | 1
Indeck-Olean Limited Partnership | US GAS=PHYSICAL | N | 3 |  |  |  |  |  | 1 | 1 | 1
Indeck-Oswego Limited Partners | CANADIAN GAS=PHYSICAL | N | 59 |  | 14 | 16 | 8 | 12 | 1 | 1 | 1 |  |  | 1 | 2 | 3
Indeck-Oswego Limited Partners | US GAS=PHYSICAL | N | 40 |  | 1 | 1 | 6 | 3 |  | 5 | 3 | 2 | 2 |  | 4 | 12 |  | 1
Indeck-Yerkes Limited Partnership | CANADIAN GAS=PHYSICAL | N | 25 |  | 6 |  | 6 | 13
Indeck-Yerkes Limited Partnership | US GAS=PHYSICAL | N | 10 |  | 1 |  |  |  |  | 1 |  | 1 | 2 | 1 | 4
Independent Production Company, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 4
Indiana Utilities Corporation | US GAS=PHYSICAL | N | 8 |  |  |  |  | 2 | 2 | 2 |  |  |  |  |  |  |  |  | 2
[NAME], S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Infinite Energy, Inc. | US GAS=PHYSICAL | N | 76 |  |  | 1 |  | 8 | 13 | 14 | 3 | 1 | 3 | 1 | 4 | 20 | 7 | 1
Infinite Energy, Inc. | US GAS=PHYSICAL | Y | 20 |  |  |  |  |  |  |  |  |  |  |  | 5 |  | 7 |  | 7 | 1
Inland Ocean, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Inland Steel Company | US GAS=PHYSICAL | N | 10 |  | 1 |  |  | 1 | 6 | 1 |  |  |  |  | 1
Innovative Gas Services, Inc. | US GAS=PHYSICAL | N | 86 | 1 | 2 | 3 | 2 | 9 | 2 | 4 | 4 | 16 | 8 | 11 | 9 | 10 | 2 | 2 | 1
Innovative Gas Services, Inc. | US GAS=PHYSICAL | Y | 152 |  |  |  |  |  |  |  |  | 5 | 5 | 21 | 12 | 54 | 9 | 8 | 33 | 5
Intercon Gas, Inc. | US GAS=PHYSICAL | N | 8 |  |  | 3 | 2 |  |  |  |  |  | 1 |  | 1 | 1
Interconn Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Interconn Resources, Inc. | US GAS=PHYSICAL | N | 48 |  |  |  | 4 | 7 | 1 | 1 | 10 | 4 | 2 | 4 | 8 |  | 4 | 1 | 1 | 1
International Paper Company | US GAS=PHYSICAL | N | 25 |  |  |  |  |  | 1 | 1 |  |  |  |  |  | 1 | 3 | 7 | 10 | 2
International Paper SA | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Interstate Gas Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Interstate Gas Supply, Inc. | CANADIAN GAS=PHYSICAL | N | 4 |  | 1 | 1 |  | 2
Interstate Gas Supply, Inc. | US GAS=PHYSICAL | N | 178 | 3 | 12 | 10 | 19 | 20 | 11 | 9 | 9 | 6 | 7 | 8 | 7 | 8 | 16 | 14 | 17 | 2
Interstate Natural Gas Company | US GAS=PHYSICAL | N | 10 |  | 1 | 1 | 1 | 2 |  |  |  |  | 1 |  |  |  | 1 | 2 |  | 1
Interstate Power Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Interstate Power Company | US GAS=PHYSICAL | N | 15 |  | 1 | 1 | 2 | 1 | 3 | 1 |  |  | 1 | 2 | 1 |  |  |  | 2
Interstate Power Company | US GAS=PHYSICAL | Y | 411 |  |  |  |  |  | 21 | 30 | 66 | 19 | 46 | 36 | 20 | 67 | 17 | 52 | 30 | 7
Invasion | CANADIAN GAS=PHYSICAL | N | 171 |  |  |  |  |  | 6 | 21 | 16 | 9 | 9 | 9 | 15 | 23 | 20 | 21 | 20 | 2
Invasion | US GAS=PHYSICAL | N | 44 |  |  |  | 20 | 23 | 1
Invasion Energy Inc. | CANADIAN GAS=PHYSICAL | N | 13 |  |  |  | 1 | 1 |  |  |  |  |  | 1 |  | 1 | 6 |  | 3
Invasion Energy Inc. | US GAS=PHYSICAL | N | 3 |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Inventory Management, Distribution Storage, Transportation & Asset Management Company, LLC | US GAS=PHYSICAL | N | 214 | 3 | 27 | 38 | 33 | 21 | 10 | 22 | 8 | 7 | 4 | 5 | 16 | 8 | 7 | 5
Inventory Management, Distribution Storage, Transportation & Asset Management Company, LLC | US GAS=PHYSICAL | Y | 1526 |  | 2 | 5 | 35 | 80 | 63 | 84 | 100 | 98 | 186 | 203 | 122 | 215 | 150 | 183
Iroquois Gas Transmission System L.P. | US GAS=PHYSICAL | N | 2 |  |  |  | 2
ISH Energy Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Iteva S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
J Aron & Company (Singapore) Pte. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
J D Drilling Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
J M L Oil & Gas Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
J M L Oil & Gas Company | US GAS=PHYSICAL | N | 9 |  |  | 1 |  | 1 |  |  |  |  | 2 | 1 | 1 | 3
J R Petroleum, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
J. Aron & Company | CANADIAN GAS=PHYSICAL | N | 38 |  | 6 | 1 |  | 2 | 1 | 1 | 9 |  | 3 | 3 |  | 1 | 2 | 7 | 2
J. Aron & Company | CANADIAN GAS=PHYSICAL | Y | 363 |  | 13 | 39 | 30 | 7 | 26 | 29 | 20 | 25 | 72 | 22 | 11 | 14 | 11 | 31 | 13
J. Aron & Company | US GAS=PHYSICAL | N | 13 |  | 1 | 2 | 1 |  | 1 | 2 |  |  | 1 | 1 | 1 |  |  | 1 | 1 | 1
J. Aron & Company | US GAS=PHYSICAL | Y | 4 |  |  | 2 | 1 | 1
J. M. Huber Corporation | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  | 1 | 2
J. M. Huber Corporation | US GAS=PHYSICAL | N | 27 |  | 2 | 1 | 1 | 2 | 2 | 2 |  |  | 2 | 3 | 1 |  | 10 |  | 1
J.M. Huber Canada Limited | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 2 | 1
J.M. Huber Canada Limited | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 1
J.O.B., Inc. | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Jacksonville Electric Authority | US GAS=PHYSICAL | N | 8 |  | 5 |  | 1 | 2
[NAME], Inc | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
[NAME], Inc | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 8 |  |  |  |  | 3 |  |  |  |  |  |  | 1 | 1 | 1 | 1 |  | 1
[NAME], Agent | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Jay Management Company, LLC | US GAS=PHYSICAL | N | 1 |  |  | 1
JC Energy Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  | 1 |  |  | 2
JC Energy Resources, Inc. | US GAS=PHYSICAL | N | 81 | 2 | 4 | 4 | 8 | 6 | 7 | 7 | 7 | 7 | 7 | 2 | 3 | 6 | 5 | 5 | 1
JCR Petroleum, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
JEDI Hydrocarbon Investments II Limited Partnership | US GAS=PHYSICAL | N | 15 | 1 | 2 | 11 |  |  |  |  |  |  |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Jefferson Gas Transmission Company Inc | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Jenkins & Archer | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
JER/[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Jet Energy | US GAS=PHYSICAL | N | 18 |  |  |  | 17 | 1
JMC Gas Marketing, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Johnson & Ernst Operating Company | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  |  |  |  | 1
Jonan Gas Marketing Ltd. | US GAS=PHYSICAL | N | 20 |  | 1 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 4 |  | 2 | 1 | 2 | 1
Jordan Petroleum Ltd. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  | 1 | 1 | 1
[NAME] and Gas | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
JR Pounds, Inc. | US GAS=PHYSICAL | N | 13 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 |  | 1 | 1 | 1 | 1 | 1
Jubilee Resources Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Julian Gas Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Juniper Energy L.P. | US GAS=PHYSICAL | N | 19 |  |  |  |  |  |  | 2 | 1 | 1 | 1 | 3 | 2 | 2 | 2 | 3 | 2
Justice Land Surveying & Engineering | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  | 1 |  |  |  |  |  | 2
K Petroleum Inc | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
K Petroleum Inc | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 2 | 1 |  | 1
K.L.J., Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Kahuna Gas, LLC | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 3
Kaib & Kaib | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Kaiser-Francis Oil Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Kaplan Interests, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 |  | 1
Kaztex Energy Management Inc. | US GAS=PHYSICAL | N | 114 |  | 1 | 11 | 9 | 3 | 3 | 5 | 9 | 13 | 5 | 11 | 5 | 9 | 26 | 1 | 3
Kaztex Energy Management Inc. | US GAS=PHYSICAL | Y | 877 |  |  |  | 49 | 87 | 18 | 23 | 25 | 51 | 28 | 50 | 54 | 122 | 93 | 100 | 159 | 18
KC Pipeline, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 2
KC Resources, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
KCS Energy Marketing Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
KCS Energy Marketing Inc. | US GAS=PHYSICAL | N | 11 | 1 | 1 |  |  | 2 | 2 | 2 |  |  |  |  | 1 |  |  |  | 2
KCS Medallion Resources, Inc. | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  | 3 | 2 | 1 | 1 | 1
KCS Medallion Resources, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
KCS Resources, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  | 2 | 3 | 2
Kelly Oil Company, Inc. | US GAS=PHYSICAL | N | 11 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 |  |  | 1 |  |  | 2
Ken Petroleum Corporation | US GAS=PHYSICAL | N | 2 |  |  |  | 1 | 1
Kenne Exploration, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Kennedy Oil | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4
[NAME] | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Kenoil | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Kenoil | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 |  |  |  | 1 |  | 1
Kentucky East Oil & Gas | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 | 1 |  | 1
Kerr-McGee Corporation | US GAS=PHYSICAL | N | 29 |  | 2 | 2 | 18 | 5 | 2
Kerr-McGee Natural Gas, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Kerr-McGee Oil & Gas Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Kerr-McGee Oil & Gas Onshore LP | US GAS=PHYSICAL | N | 15 |  |  | 1 |  | 2 |  | 11 |  |  |  |  | 1
Key Production Company, Inc. | US GAS=PHYSICAL | N | 4 |  |  | 1 |  | 1 |  |  |  |  |  |  |  |  |  |  | 2
KeySpan Energy Canada Partnership | CANADIAN GAS=PHYSICAL | N | 4 |  | 1 | 2 |  |  |  |  |  | 1
KeySpan Energy Canada Partnership | CANADIAN GAS=PHYSICAL | Y | 138 |  | 25 | 5 | 32 | 34 | 13 | 2 |  | 6 | 8 |  |  | 4 | 5 | 4
KeySpan Energy Canada Partnership | US GAS=PHYSICAL | N | 2 |  |  |  | 2
Keyspan Energy Corporation | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  | 3 |  | 4
Keyspan Energy Services, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  | 1
Keyspan Energy Services, Inc. | US GAS=PHYSICAL | N | 428 | 4 | 26 | 32 | 29 | 67 | 36 | 57 | 47 | 12 | 4 | 12 | 9 | 19 | 32 | 10 | 28 | 4
Keyspan Energy Services, Inc. | US GAS=PHYSICAL | Y | 47 |  |  |  |  | 23 | 5 |  | 4 | 3 | 3 | 5 | 3 | 1
Keyspan Gas East Corporation | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Keyspan Gas East Corporation | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Keyspan Gas East Corporation | US GAS=PHYSICAL | N | 82 |  |  |  |  |  |  |  | 2 | 1 |  |  | 36 | 21 | 10 | 6 | 6
Keyspan Ravenswood Inc | US GAS=PHYSICAL | N | 26 |  |  |  |  |  |  | 2 |  | 6 | 2 | 15 |  | 1
Kilbarger Construction, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Killbuck Oil Field Service | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 2 |  | 1
Kimball Energy Corporation | CANADIAN GAS=PHYSICAL | N | 33 |  |  |  | 1 |  |  | 2 | 2 | 1 |  | 3 | 1 | 12 | 3 | 2 | 6
Kimball Energy Corporation | US GAS=PHYSICAL | N | 39 | 1 |  | 1 | 4 | 4 | 1 | 5 | 6 | 1 |  | 3 |  | 3 | 8 | 1 | 1
Kimball Energy Corporation | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Kinder Morgan Energy Partners, L.P. | US GAS=PHYSICAL | N | 33 |  |  | 1 | 19 | 11 | 1 | 1
Kinder Morgan Texas Pipeline, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Kinder Morgan Texas Pipeline, Inc. | US GAS=PHYSICAL | N | 29 |  |  |  |  |  |  |  | 4 | 1 |  | 1 | 6 | 5 | 5 | 5 | 2
Kinder Morgan Texas Pipeline, Inc. | US GAS=PHYSICAL | Y | 95 |  |  |  |  |  |  |  |  | 6 | 9 | 5 | 15 | 10 | 5 | 23 | 20 | 2
King Drilling Company | US GAS=PHYSICAL | N | 10 |  |  |  |  |  |  | 2 |  |  |  |  |  |  | 3 | 3 | 1 | 1
Kings Mountain, City Of | US GAS=PHYSICAL | N | 13 |  |  | 1 |  |  | 3 | 1 | 1 |  |  |  | 2 | 2 | 2 | 1
Klabzuba Oil & Gas, Inc | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Klotzman, MS, Exploration Co. | US GAS=PHYSICAL | N | 5 |  | 1 | 1 | 1 | 1 | 1
KN Energy Gas Marketing | US GAS=PHYSICAL | N | 1 |  | 1
KN Gas Marketing, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
KN Gas Services | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
KN Trading Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  | 1 | 1
KN Trading Inc. | US GAS=PHYSICAL | N | 2 |  |  | 2
KN Trading Inc. | US GAS=PHYSICAL | Y | 36 |  | 10 | 13 | 13
Koch Energy Trading Canada, Ltd. | CANADIAN GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  | 4
Koch Energy Trading Canada, Ltd. | CANADIAN GAS=PHYSICAL | Y | 4 |  | 2 | 2
Koch Energy Trading Canada, Ltd. | US GAS=PHYSICAL | N | 3 |  |  | 1 | 1 |  | 1
Koch Energy Trading, Inc. | CANADIAN GAS=PHYSICAL | N | 4 |  |  | 2 |  | 1 |  |  |  |  |  |  | 1
Koch Energy Trading, Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Koch Energy Trading, Inc. | US GAS=PHYSICAL | N | 422 | 5 | 37 | 40 | 51 | 37 | 26 | 39 | 28 | 14 | 10 | 17 | 30 | 22 | 29 | 37
Koch Energy Trading, Inc. | US GAS=PHYSICAL | Y | 2851 |  | 15 | 39 | 44 | 35 | 61 | 112 | 55 | 68 | 170 | 228 | 366 | 579 | 580 | 499
Koch Gas Services Canada, a division of Koch Oil Co. Ltd. | CANADIAN GAS=PHYSICAL | N | 14 | 1 | 7 | 6
Koch Gas Services Canada, a division of Koch Oil Co. Ltd. | CANADIAN GAS=PHYSICAL | Y | 93 | 8 | 55 | 30
Koch Gas Services Canada, a division of Koch Oil Co. Ltd. | US GAS=PHYSICAL | N | 1 |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 17 |  |  |  |  |  |  |  |  |  |  | 1 | 6 | 7 | 3
Koch Midstream Services Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Koch Midstream Services Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Koch Midstream Services Company | US GAS=PHYSICAL | N | 217 |  |  | 1 | 14 | 16 | 9 | 16 | 42 | 19 | 12 | 26 | 21 | 4 | 15 | 8 | 13 | 1
Koch Midstream Services Company | US GAS=PHYSICAL | Y | 721 |  |  |  | 32 | 23 | 22 | 8 | 25 | 68 | 90 | 65 | 46 | 121 | 107 | 69 | 34 | 11
Koch Petroleum Group, L.P. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  | 1
Kriken Oil & Gas | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 2
Kriscott, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Laclede Energy Resources, Inc. | US GAS=PHYSICAL | N | 27 |  |  | 1 | 1 | 1 | 2 |  | 5 | 7 | 6 |  |  |  | 2 | 1 | 1
Laclede Gas Company | US GAS=PHYSICAL | N | 28 |  | 3 | 3 | 9 | 6 | 2 |  | 3 |  | 1 |  |  | 1
Lake Region Oil Inc | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Lakeland, City Of | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Lakeland, City Of | US GAS=PHYSICAL | N | 122 |  |  |  | 3 | 5 | 2 | 4 |  | 4 | 9 | 2 | 19 | 9 | 20 | 29 | 15 | 1
Lamar Power Partners, LP | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  | 4 |  |  | 1
Lamay Corporation | US GAS=PHYSICAL | N | 4 |  |  |  | 2 |  |  |  |  |  | 1 |  | 1
Landmark 2 LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Lantic Sugar Limited | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Laroche Industries Inc | US GAS=PHYSICAL | N | 3 |  |  |  |  | 3
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  | 2 |  |  | 2
Laurens Comm of Public Works | US GAS=PHYSICAL | N | 14 |  |  |  |  |  | 2 | 1 | 1 |  |  |  |  |  | 2 | 8
Ledco, LLC | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Ledco, LLC | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 2 |  | 2
Lexington, City Of | US GAS=PHYSICAL | N | 46 |  |  | 2 |  |  | 2 | 1 | 4 | 1 |  |  | 2 | 6 | 12 | 12 | 4
LG&E Energy Marketing Inc. | US GAS=PHYSICAL | N | 111 |  | 7 | 15 | 14 | 9 | 11 | 25 | 18 | 11 |  |  | 1
LG&E Energy Marketing Inc. | US GAS=PHYSICAL | Y | 301 |  |  |  |  | 8 | 3 | 47 | 64 | 28 | 19 | 43 | 40 | 49
LGS Natural Gas Company | US GAS=PHYSICAL | N | 63 | 1 | 5 | 6 | 3 | 4 | 6 | 3 |  | 1 | 1 | 1 |  | 2 | 7 | 22 | 1
[NAME], [NAME] | US GAS=PHYSICAL | N | 6 |  |  |  |  | 2 |  |  |  |  | 1 |  |  |  | 2 |  |  | 1
Linder Energy Company | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  | 2 | 2 | 1 | 3
Linder Oil Company, A Partnership | CANADIAN GAS=PHYSICAL | N | 9 |  |  |  |  | 9
Linder Oil Company, A Partnership | US GAS=PHYSICAL | N | 75 |  | 21 | 21 |  | 14 | 1 | 1 | 1 | 1 | 1 |  | 10 |  | 2 | 1 | 1
Lindholm Oil Inc. | US GAS=PHYSICAL | N | 5 |  |  |  | 3 | 1 |  |  |  |  |  |  |  |  | 1
Lindsey & Elliott Perry/Letcher | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Lindsey & Elliott Pike | US GAS=PHYSICAL | N | 6 |  |  | 1 | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
[NAME] | US GAS=PHYSICAL | N | 17 |  |  | 2 | 5 |  |  |  |  |  |  |  |  |  | 3 | 5 |  | 2
Lippizan Petroleum, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Locin Oil Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 2
Lockport Energy Associates, L.P. | US GAS=PHYSICAL | N | 12 | 1 | 1 | 3 | 7
[NAME] | US GAS=PHYSICAL | N | 9 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 2 | 4 |  | 2
Long Beach, City Of, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 1
Long Ridge Farm Energy | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Lonza, Inc. | US GAS=PHYSICAL | N | 2 |  |  | 2
Lost Creek Gathering Company, L.L.C. | US GAS=PHYSICAL | N | 14 |  |  |  |  |  |  |  |  |  |  | 11 | 1 | 1 |  |  | 1
Louis Dreyfus Corporation | CANADIAN GAS=PHYSICAL | N | 5 |  |  | 2 |  | 1 |  | 2
Louis Dreyfus Corporation | US GAS=PHYSICAL | N | 7 |  |  |  |  | 2 |  |  |  |  |  | 2 |  |  | 1 |  | 2
Louis Dreyfus Energy Ltd. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Louis Dreyfus Holding Company Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Louis Dreyfus Natural Gas Corp. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 1 | 1
Louis Dreyfus Natural Gas Corp. | US GAS=PHYSICAL | N | 107 |  | 5 | 5 | 2 | 5 | 2 | 3 | 1 | 3 | 3 | 3 | 66 | 2 | 1 | 5 |  | 1
Louis Dreyfus Natural Gas Corp. | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Louis Dreyfus Natural Gas Holding Corp | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Louisiana Energy Production LLC | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 | 1 | 1 | 1 | 1
Louisiana Municipal Natural Gas Purchasing and Distribution Authority | US GAS=PHYSICAL | N | 4 |  |  |  | 4
Louisiana Western Gas Gathering Company, L.L.C. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Louisiana-Pacific Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Louisville Gas And Electric Company | US GAS=PHYSICAL | N | 6 | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 1
Lower Colorado River Authority | US GAS=PHYSICAL | N | 23 |  | 1 | 2 | 3 | 3 | 2 | 1 | 2 | 2 | 2 | 1 | 1 |  |  | 2 |  | 1
Lyondell-Citgo Refining Company LP | US GAS=PHYSICAL | N | 10 |  |  |  | 1 |  |  | 1 |  | 1 | 1 | 1 | 1 | 1 | 3
M&A Well Service, Inc. | US GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Mack Energy Co Inc | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
Mack Energy Co Inc | US GAS=PHYSICAL | N | 1 |  | 1
Madden Ventures, Inc | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Madison Gas & Electric Co. | US GAS=PHYSICAL | N | 6 |  |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 |  | 3
Madison Petroleum, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 2
Magellan Exploration, LLC | US GAS=PHYSICAL | N | 9 |  | 2 | 2 | 2 | 1 | 1 | 1
Maghart Partnership | US GAS=PHYSICAL | N | 5 |  |  |  |  |  | 1 |  |  |  |  |  |  |  | 2 | 1 |  | 1
Magnum Hunter Production, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Magnum Hunter Resources, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 2
Magnum Producing & Operating Company | US GAS=PHYSICAL | N | 6 |  |  |  | 4 |  |  |  |  |  | 2
Mahonia Ltd | US GAS=PHYSICAL | N | 9 |  |  |  |  |  |  |  | 4 |  |  |  |  |  | 5
Mainline Energy, L.L.C. | US GAS=PHYSICAL | N | 145 |  |  |  |  |  |  |  |  | 2 | 16 | 15 | 16 | 17 | 26 | 28 | 24 | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Mantel, [NAME], Agent | US GAS=PHYSICAL | N | 4 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
Maple Grove Enterprises Inc | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
Mar Oil & Gas Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Maranatha Resources Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 |  |  |  |  | 1
Marathon Ashland Petroleum, LLC | US GAS=PHYSICAL | N | 9 |  |  |  |  |  |  |  |  |  |  | 1 | 3 | 2 | 1 | 1 | 1
Marathon Canada Limited | CANADIAN GAS=PHYSICAL | N | 6 |  | 4 | 2
Marathon Oil Company | CANADIAN GAS=PHYSICAL | N | 5 | 1 | 1 | 1 |  | 1 | 1
Marathon Oil Company | US GAS=PHYSICAL | N | 317 | 4 | 18 | 21 | 36 | 36 | 43 | 11 | 28 | 15 | 12 | 12 | 19 | 10 | 8 | 28 | 15 | 1
Marathon Oil Company | US GAS=PHYSICAL | Y | 1454 |  |  |  |  |  |  | 29 | 123 | 133 | 82 | 194 | 155 | 244 | 146 | 94 | 249 | 5
Mariner Energy, Inc. | US GAS=PHYSICAL | N | 20 |  | 1 |  | 1 | 1 | 3 |  |  | 2 | 1 | 4 | 1 | 2 | 1 | 3
[NAME] | US GAS=PHYSICAL | N | 8 |  |  |  |  |  | 1 |  |  |  | 1 |  | 1 | 1 | 1 | 2 |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
MarketSpan Gas Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  | 4
Markham Gas Corp. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 1 | 1 | 2 |  | 1
MarkWest Hydrocarbon, Inc. | US GAS=PHYSICAL | N | 154 |  | 1 | 3 | 8 | 6 | 19 | 16 | 30 | 19 | 9 | 6 | 9 | 4 | 4 | 6 | 14
MarkWest Hydrocarbon, Inc. | US GAS=PHYSICAL | Y | 34 |  |  |  |  | 5 | 1 | 4 | 2 | 3 | 5 |  | 1 | 7 | 3 | 3
Marquee Corporation | US GAS=PHYSICAL | N | 17 |  | 1 |  |  |  | 2 |  | 1 | 3 |  |  | 2 | 2 | 1 | 2 |  | 3
[NAME], Inc. | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
Mason Gas Co., Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
Mason Producing Inc | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  |  |  |  |  |  | 1 | 6 | 2 | 3 | 6
Matrix Gas Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  |  | 2 |  |  |  |  |  | 1
Matrix Oil & Gas, Inc. | US GAS=PHYSICAL | N | 30 |  |  | 2 |  | 3 | 6 | 2 | 2 |  | 1 | 1 | 2 | 4 | 2 | 3 | 2
[NAME] and [NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Maximum Oil & Gas, Inc | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
Maxwell, HR | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Maynard Oil Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Mayne & Mertz, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Mayne & Mertz, Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Mayne & Mertz, Inc. | US GAS=PHYSICAL | N | 18 |  |  |  |  | 1 | 1 | 1 | 3 | 1 | 1 | 3 | 5 | 1 | 1
McBee Operating Company, L.L.C. | US GAS=PHYSICAL | N | 3 |  |  |  |  | 2 |  |  |  |  |  |  | 1
[NAME], [NAME] | US GAS=PHYSICAL | N | 12 |  | 2 | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 |  |  |  | 2 |  | 1
[NAME], Agent | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
McLeod Farms Inc. | US GAS=PHYSICAL | N | 31 | 1 |  | 1 | 3 | 1 | 3 | 3 | 4 | 7 |  | 1 | 4 |  | 1 | 2
McMurry Oil Company | CANADIAN GAS=PHYSICAL | N | 4 |  | 1 | 2 |  |  |  | 1
McMurry Oil Company | US GAS=PHYSICAL | N | 44 |  | 11 | 23 |  |  |  | 1 | 2 | 4 | 2 |  |  | 1
McMurry Oil Company | US GAS=PHYSICAL | Y | 34 |  |  |  | 1 |  |  |  |  | 2 | 15 | 11 | 4 | 1
MCNIC Pipeline & Processing Company | US GAS=PHYSICAL | N | 10 |  |  |  | 2 |  |  | 2 |  |  |  |  |  |  | 1 | 5
MCV Gas Acquis. Gen. [NAME]. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Medallion Gas Services, Inc. | US GAS=PHYSICAL | N | 2 |  |  | 2
Medallion Petroleum Inc. | US GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  | 1
Medina Fuel Company | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  | 1
MEGA Natural Gas Company LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Megan Oil & Gas Co, Inc | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Memphis Light, Gas, and Water Division | US GAS=PHYSICAL | N | 39 |  |  |  | 1 | 2 |  |  |  |  |  |  |  |  | 7 | 16 | 13
Memphis Light, Gas, and Water Division | US GAS=PHYSICAL | Y | 125 |  |  |  |  |  |  |  |  | 1 |  | 2 | 1 | 23 | 43 | 31 | 18 | 6
[NAME], [NAME] | US GAS=PHYSICAL | N | 12 |  |  | 3 |  |  | 1 | 1 |  |  |  |  | 1 |  | 2 | 3 |  | 1
Mercado Gas Services, Inc. | US GAS=PHYSICAL | N | 8 |  |  |  |  | 2 | 2 | 1 | 1 |  |  |  |  | 1 |  |  | 1
Merchant Energy Group of the Americas, Inc. | US GAS=PHYSICAL | N | 10 | 1 |  | 1 | 6 | 2
Merchant Energy Group of the Americas, Inc. | US GAS=PHYSICAL | Y | 5 |  | 3 |  |  | 2
Meridian Resource Corporation | US GAS=PHYSICAL | N | 6 |  |  | 3 | 1 |  |  |  |  |  |  | 1 |  |  | 1
Merit Energy Company | US GAS=PHYSICAL | N | 7 |  |  |  |  | 2 |  |  |  |  |  |  | 1 | 1 |  | 1 | 1 | 1
Merit Energy Partners III, L.P. | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  | 1 |  | 1 | 1 | 1 | 2
Merit Gas and Oil, Inc | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Merit Gas and Oil, Inc | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Mesa, City Of | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Mesa, City Of | US GAS=PHYSICAL | N | 5 |  |  |  | 2 | 1 | 1 | 1
Mesh Ltd | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 4 |  | 2
[NAME] | CANADIAN GAS=PHYSICAL | N | 5 | 1 | 2 |  |  | 1 |  |  | 1
[NAME] | CANADIAN GAS=PHYSICAL | Y | 3 |  |  | 3
Metromedia Energy, Inc. | US GAS=PHYSICAL | N | 61 |  |  |  |  |  |  |  |  | 3 | 4 | 7 | 8 | 10 | 9 | 14 | 4 | 2
Metropolitan Utilities District | US GAS=PHYSICAL | N | 32 |  | 2 | 3 | 4 | 13 | 5 | 2 |  | 2 |  |  |  |  |  | 1
Metropolitan Utilities District | US GAS=PHYSICAL | Y | 32 |  |  |  |  |  |  | 1 | 6 | 3 | 8 |  | 1 | 2 | 5 | 1 | 5
MGI Supply Ltd. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 1 |  |  | 1
MGI Supply Ltd. | US GAS=PHYSICAL | N | 436 | 3 | 31 | 22 | 32 | 30 | 25 | 31 | 16 | 25 | 24 | 12 | 15 | 30 | 41 | 50 | 45 | 4
Miami Valley Resources Inc. | US GAS=PHYSICAL | N | 96 |  |  |  |  |  |  | 4 | 5 | 3 | 10 | 1 | 5 | 14 | 36 | 10 | 8
Miami Valley Resources Inc. | US GAS=PHYSICAL | Y | 100 |  |  |  |  |  |  |  |  |  |  | 1 | 4 | 14 | 10 | 37 | 29 | 5
Michigan Consolidated Gas Company | CANADIAN GAS=PHYSICAL | N | 3 |  | 2 |  | 1
Michigan Consolidated Gas Company | US GAS=PHYSICAL | N | 24 |  | 1 |  |  |  | 1 |  | 2 | 5 |  | 2 |  |  | 12 |  | 1
Mid Continent Market Center, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  | 2
Mid-America Energy Resources, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 2
MidAmerican Energy Company | US GAS=PHYSICAL | N | 613 | 2 | 102 | 100 | 82 | 50 | 83 | 55 | 34 | 7 | 6 | 6 | 35 | 14 | 22 | 9 | 6
MidAmerican Energy Company | US GAS=PHYSICAL | Y | 8397 |  |  | 76 | 71 | 66 | 142 | 391 | 733 | 720 | 782 | 853 | 752 | 1159 | 338 | 1043 | 1088 | 183
Midcoast Energy Resources, Inc. | US GAS=PHYSICAL | N | 9 |  |  |  | 3 | 2 |  |  |  |  |  | 1 | 1 |  |  | 2
Midcoast Marketing, Inc. | US GAS=PHYSICAL | N | 45 |  |  |  |  | 1 | 6 | 8 | 1 | 3 |  |  | 3 |  | 4 | 12 | 6 | 1
Midcoast Marketing, Inc. | US GAS=PHYSICAL | Y | 248 |  |  |  |  |  |  | 1 |  | 1 | 8 | 11 | 61 | 32 | 64 | 29 | 41
MidCon Texas Gas Services Corp | US GAS=PHYSICAL | N | 6 |  |  | 1 | 1 |  |  | 4
MidCon Texas Pipeline Corp. | US GAS=PHYSICAL | N | 6 |  |  |  | 1 | 3 |  | 2
Mid-Continent Energy, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Mid-Continent Pipe Line Company | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Midland Cogeneration Venture Limited Partnership | US GAS=PHYSICAL | N | 94 |  |  |  |  |  |  |  | 23 | 20 | 8 | 16 | 11 | 2 | 11 |  | 3
Midland Cogeneration Venture Limited Partnership | US GAS=PHYSICAL | Y | 260 |  |  |  |  |  |  |  |  |  |  | 16 | 34 | 33 | 41 | 50 | 72 | 14
Midwest Energy Inc. | US GAS=PHYSICAL | N | 4 | 1 | 1 |  | 2
Midwest United Energy, LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Mieco Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  | 3
Mieco Inc. | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Mieco Inc. | US GAS=PHYSICAL | N | 29 |  |  |  | 1 | 7 | 5 | 12 |  | 1 | 1 |  | 1 | 1
Mieco Inc. | US GAS=PHYSICAL | Y | 803 |  |  |  |  | 1 | 1 | 2 |  |  | 119 | 127 | 149 | 151 | 99 | 89 | 65
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Milford Power Limited Partnership | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  | 2 | 1 |  |  |  |  | 5 | 10
Millar Western Pulp (Whitecourt) Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Millennium Energy Group, LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Millennium Gas Marketing, L.L.C. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Millennium Gas Marketing, L.L.C. | US GAS=PHYSICAL | N | 56 |  |  |  |  |  |  |  |  |  |  | 7 | 15 | 4 | 16 | 12 | 2
Miller, Sieglinde | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Minerals Management Service | US GAS=PHYSICAL | N | 17 |  | 2 | 2 | 2 | 1 | 1 |  |  | 2 |  |  | 3 |  | 2 | 2
Mirant Americas Energy Marketing Canada, Ltd. | CANADIAN GAS=PHYSICAL | N | 26 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 25 | 1
Mirant Americas Energy Marketing Canada, Ltd. | CANADIAN GAS=PHYSICAL | Y | 114 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 88 | 26
Mirant Americas Energy Marketing Canada, Ltd. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4
Mirant Americas Energy Marketing, L.P. | CANADIAN GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  | 2 | 1
Mirant Americas Energy Marketing, L.P. | CANADIAN GAS=PHYSICAL | Y | 16 |  |  |  |  |  |  |  |  |  |  |  | 10 |  |  |  | 1 | 5
Mirant Americas Energy Marketing, L.P. | US GAS=PHYSICAL | N | 361 |  |  |  |  |  |  |  |  |  |  |  | 108 | 47 | 63 | 93 | 49 | 1
Mirant Americas Energy Marketing, L.P. | US GAS=PHYSICAL | Y | 5920 |  |  |  |  |  |  |  |  |  |  |  | 860 | 1165 | 861 | 1317 | 1557 | 160
Mississippi Power Company | US GAS=PHYSICAL | N | 34 |  |  | 2 | 14 | 2 |  | 3 | 6 |  |  | 2 | 3 |  |  | 2
Mississippi Valley Gas Company | US GAS=PHYSICAL | N | 23 |  |  |  |  | 1 |  |  |  | 1 |  |  |  |  | 21
Mitchell Energy & Development Corp. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 1 |  | 1
Mitchell Energy Corporation | US GAS=PHYSICAL | N | 7 |  |  |  | 1 |  |  |  |  | 1 | 1 | 2 |  |  | 2
Mitchell Gas Services L.P. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Mitchell Gas Services L.P. | US GAS=PHYSICAL | N | 208 | 1 | 16 | 17 | 13 | 19 | 14 | 40 | 19 | 6 | 12 | 18 | 9 | 5 | 8 | 1 | 8 | 2
Mitchell Gas Services L.P. | US GAS=PHYSICAL | Y | 316 |  |  |  |  |  |  |  | 6 | 25 | 30 | 30 | 42 | 68 | 35 | 27 | 47 | 6
Mitchell Louisiana Gas Services, Inc. | US GAS=PHYSICAL | N | 10 |  | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 |  |  |  | 2 |  |  | 1
Mobil Oil Corporation | US GAS=PHYSICAL | N | 14 |  |  |  |  |  |  |  |  |  |  | 3 | 3 | 4 | 2 | 2
Modern Exploration, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Monsanto Company | US GAS=PHYSICAL | N | 13 |  |  |  |  |  |  |  | 1 | 7 |  |  | 2 |  |  | 3
Montana Power Company , The | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 1 |  | 1
Montana Power Company , The | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  | 2 |  |  | 1
Montana Power Trading & Marketing Company | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  | 1 |  |  |  |  |  |  | 1 | 1
Montana Power Trading & Marketing Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Montana Power Trading & Marketing Company | US GAS=PHYSICAL | N | 85 | 1 | 12 | 14 | 3 | 4 | 4 | 14 | 5 | 6 | 6 | 5 | 1 | 10
Morgan Stanley & Co., Inc. | US GAS=PHYSICAL | N | 1 |  |  | 1
Morgan Stanley Capital Group Inc. | CANADIAN GAS=PHYSICAL | N | 23 | 1 | 3 | 3 |  | 1 |  | 2 | 4 | 2 |  |  | 3 | 3 | 1
Morgan Stanley Capital Group Inc. | CANADIAN GAS=PHYSICAL | Y | 96 |  |  | 12 | 11 | 3 | 2 | 8 | 6 | 1 | 5 | 6 | 6 | 21 | 9 | 1 | 4 | 1
Morgan Stanley Capital Group Inc. | US GAS=PHYSICAL | N | 10 |  | 1 | 2 |  | 1 |  | 1 |  |  |  |  |  | 2 |  |  | 2 | 1
Morgan Stanley Capital Group Inc. | US GAS=PHYSICAL | Y | 104 |  |  |  | 46 | 44 | 6 | 4 |  |  |  |  | 1 |  |  |  | 3
Morrell Oil & Gas | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
MRT Energy Marketing Company | US GAS=PHYSICAL | N | 62 |  |  | 10 | 1 | 1 | 1 | 1 | 11 | 1 | 13 | 12 | 1 | 1 | 1 | 2 | 6
Mt Savage Specialty Refractories Co Inc | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
MTG Operating Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  | 1
Mueller Exploration, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 1 |  |  |  |  | 1
Municipal Electric Authority of Georgia | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 1 |  | 1
Municipal Gas Authority Of Florida | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Municipal Gas Authority of Georgia | US GAS=PHYSICAL | N | 238 |  |  | 25 | 18 | 16 | 12 | 21 | 16 | 15 | 18 | 7 | 12 | 16 | 33 | 19 | 9 | 1
Municipal Gas Authority of Mississippi, The | US GAS=PHYSICAL | N | 21 |  |  |  | 3 |  |  |  |  | 2 | 1 | 2 |  | 2 | 2 | 5 | 4
Murphy Canada Exploration Ltd. | CANADIAN GAS=PHYSICAL | Y | 11 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7 | 4
Murphy Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Murphy Oil Co Inc | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1 | 2
Murphy Oil Company Ltd. | CANADIAN GAS=PHYSICAL | N | 83 |  | 3 | 1 |  | 3 | 2 | 6 | 5 | 9 | 5 | 3 | 6 | 16 | 9 | 7 | 8
Murphy Oil Company Ltd. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  | 3 |  |  |  | 1 |  | 1
Murphy Oil USA Inc. | US GAS=PHYSICAL | N | 157 |  | 10 | 6 | 7 | 1 | 16 | 10 | 12 | 8 | 17 | 3 | 14 | 7 | 14 | 11 | 17 | 4
MxEnergy.com Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 2 | 1
Mystic River Energy Corporation | US GAS=PHYSICAL | N | 3 |  |  | 2 | 1
N & N Oil Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1
Nanaki Gas Company | US GAS=PHYSICAL | N | 8 |  |  |  |  | 2 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
Nashville Gas | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
National Energy & Trade, L.L.C. | US GAS=PHYSICAL | N | 124 |  |  |  |  |  | 5 | 29 | 18 | 13 | 9 | 15 | 2 | 2 | 18 | 6 | 7
National Energy & Trade, L.L.C. | US GAS=PHYSICAL | Y | 36 |  |  |  |  | 5 | 1 |  | 2 | 3 | 14 | 1 |  |  | 8 | 2
National Fuel Gas Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  | 1 | 1
National Fuel Gas Distribution Corporation | US GAS=PHYSICAL | N | 129 |  | 4 | 15 | 7 | 3 | 13 | 10 | 5 |  |  | 2 | 11 | 9 | 8 | 22 | 19 | 1
National Fuel Gas Supply Corporation | US GAS=PHYSICAL | N | 5 |  | 1 |  |  |  |  |  |  |  |  |  | 4
National Fuel Marketing Company, LLC | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  | 1
National Fuel Marketing Company, LLC | US GAS=PHYSICAL | N | 212 | 1 | 7 | 8 | 37 | 14 | 1 | 1 | 7 | 18 | 21 | 4 | 1 | 25 | 4 | 25 | 38
National Fuel Marketing Company, LLC | US GAS=PHYSICAL | Y | 117 |  |  |  |  | 9 | 1 | 4 | 36 | 32 | 3 | 12 | 6 | 14
National Fuel Resources, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
National Steel Corporation | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  | 1
National Steel Corporation | US GAS=PHYSICAL | N | 14 |  |  | 1 |  | 2 | 1 |  |  |  |  |  | 1 | 4 |  | 4 |  | 1
Natural Gas Exchange Inc. | CANADIAN GAS=PHYSICAL | N | 7561 | 93 | 458 | 349 | 336 | 567 | 169 | 729 | 724 | 498 | 419 | 301 | 513 | 720 | 443 | 693 | 435 | 114
Natural Gas Exchange Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  | 1
Natural Gas Exchange Inc. | US GAS=PHYSICAL | N | 451 |  | 1 | 3 | 171 | 2 | 264 |  |  |  |  |  | 9 |  |  |  |  | 1
Natural Gas Exchange Inc. | US GAS=PHYSICAL | Y | 19 |  |  |  |  |  |  |  |  |  |  |  | 19
Natural Gas Pipeline Company of America | CANADIAN GAS=PHYSICAL | N | 20 | 6 | 5 | 5 |  |  | 4
Natural Gas Pipeline Company of America | US GAS=PHYSICAL | N | 59 | 2 | 5 | 4 |  |  |  |  | 4 | 6 | 6 |  | 10 | 14 | 6 | 2
Natural Ventures, Inc. | US GAS=PHYSICAL | N | 16 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 2 | 1 | 1 | 1 | 1 | 1 |  | 2
[NAME], [NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
Nevada Power Company | US GAS=PHYSICAL | N | 14 |  |  |  |  |  |  | 11 | 1 | 1 |  | 1
New Counterparty | CANADIAN GAS=PHYSICAL | N | 35 |  |  | 1 |  | 4 | 2 |  | 4 |  | 3 |  | 14 | 5 |  | 1 | 1
New Counterparty | US GAS=PHYSICAL | N | 62 |  | 2 | 2 | 3 | 4 | 7 | 4 | 5 | 4 | 4 | 1 | 9 | 5 | 6 | 2 | 4
New Counterparty | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
New Jersey Natural Gas Company | US GAS=PHYSICAL | N | 29 |  |  | 3 |  | 2 | 1 | 9 | 1 | 2 |  |  | 4 | 3 | 2 | 1 | 1
New Jersey Natural Gas Company | US GAS=PHYSICAL | Y | 524 |  |  |  | 1 | 10 | 5 | 61 | 56 | 38 | 27 | 43 | 27 | 85 | 52 | 45 | 60 | 14
New Waskom Gas Gathering, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
New York State Electric & Gas Corporation | US GAS=PHYSICAL | N | 227 | 3 | 5 | 31 | 23 | 45 | 32 | 13 | 8 | 10 | 2 |  | 1 | 12 | 28 | 13 |  | 1
New York State Electric & Gas Corporation | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Newark Group Inc., The | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Newfield Exploration Company | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Newport Petroleum Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
Nexen Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3
Nexen Marketing | CANADIAN GAS=PHYSICAL | N | 46 | 1 | 10 | 4 | 6 | 3 |  | 2 | 1 | 3 | 3 | 2 | 1 | 1 | 2 | 5 | 2
Nexen Marketing | CANADIAN GAS=PHYSICAL | Y | 1924 |  | 174 | 71 | 68 | 54 | 46 | 64 | 140 | 137 | 123 | 180 | 162 | 234 | 86 | 160 | 207 | 18
Nexen Marketing | US GAS=PHYSICAL | N | 181 | 2 | 21 | 12 | 27 | 19 | 8 | 19 | 8 | 10 |  | 5 | 8 | 15 | 3 | 17 | 6 | 1
Nexen Marketing | US GAS=PHYSICAL | Y | 1533 |  | 19 | 14 | 23 | 53 | 37 | 107 | 81 | 84 | 39 | 45 | 109 | 248 | 233 | 241 | 175 | 25
Nexen Marketing U.S.A. Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Nexen Marketing U.S.A. Inc. | US GAS=PHYSICAL | N | 83 | 2 |  | 3 | 4 | 13 | 4 | 10 | 3 | 4 | 5 | 7 | 8 | 4 | 9 | 4 | 3
Nexen Petroleum Sales U.S.A. Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  | 1
Nexen Petroleum Sales U.S.A. Inc. | US GAS=PHYSICAL | N | 18 |  |  |  |  | 2 | 5 | 2 |  |  |  |  | 5 | 2 | 2
Nexen Petroleum Sales U.S.A. Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  | 1
NG Energy Trading, L.L.C. | US GAS=PHYSICAL | N | 13 |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 | 6 | 1
NG Trading LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
NGTS LLC | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  | 1 | 1 | 1 |  |  | 1
NGTS LLC | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
NGTS LLC | US GAS=PHYSICAL | N | 450 | 3 | 5 | 21 | 22 | 21 | 21 | 55 | 36 | 17 | 31 | 50 | 40 | 38 | 26 | 26 | 36 | 2
NGTS LLC | US GAS=PHYSICAL | Y | 90 |  |  |  | 20 | 38 | 17 | 14 |  |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 214 | 1 | 9 | 25 | 20 | 30 | 9 | 20 | 17 | 10 | 3 | 13 | 24 | 11 | 4 | 5 | 12 | 1
[NAME] | US GAS=PHYSICAL | Y | 71 |  |  |  |  |  |  | 1 | 13 | 12 |  |  | 25 | 16 | 2 | 2
Niagara Mohawk Power Corporation | US GAS=PHYSICAL | N | 24 | 3 | 8 | 6 |  | 3 |  |  |  |  | 3 | 1
Nicor Enerchange, LLC | US GAS=PHYSICAL | N | 84 |  | 7 | 2 | 1 | 1 |  | 1 | 3 | 3 |  |  | 6 | 4 | 8 | 29 | 18 | 1
Nicor Enerchange, LLC | US GAS=PHYSICAL | Y | 655 |  | 22 | 18 | 47 | 42 | 32 | 22 | 66 | 34 | 63 | 29 | 40 | 45 | 21 | 44 | 119 | 11
Nicor Energy LLC | US GAS=PHYSICAL | N | 15 |  |  |  |  | 1 | 1 | 2 | 3 | 1 |  | 4 | 3
Nicor Gas Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Nicor Gas Company | US GAS=PHYSICAL | N | 47 |  |  |  |  | 2 |  | 2 |  | 2 | 1 | 1 | 5 | 7 | 7 | 9 | 9 | 2
Nicor Gas Company | US GAS=PHYSICAL | Y | 1534 |  |  |  | 7 | 80 | 40 | 75 | 52 | 66 | 257 | 123 | 167 | 242 | 15 | 125 | 268 | 17
Nine Energy Services LLC | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Nine Energy Services LLC | US GAS=PHYSICAL | N | 23 |  |  |  |  |  | 1 | 1 | 1 |  | 1 | 1 | 8 | 6 | 4
Nine Mile Oil & Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Nippon Oil Exploration USA Limited | US GAS=PHYSICAL | N | 6 |  |  |  |  | 1 | 1 | 1 | 1 | 1 | 1
Nipsco Energy Services Inc. | US GAS=PHYSICAL | N | 24 |  | 1 | 2 | 1 | 2 | 18
Nipsco Industries Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 1 |  |  |  |  |  | 1
Nisseki Chemical Texas Inc. | US GAS=PHYSICAL | N | 7 |  |  |  | 1 |  |  |  |  | 2 |  |  |  |  | 1 | 2 |  | 1
NJR Energy Corp. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
NJR Energy Corp. | US GAS=PHYSICAL | N | 4 |  |  |  |  | 2 |  |  |  |  | 1 |  |  |  | 1
NJR Energy Services Company | US GAS=PHYSICAL | N | 68 |  | 2 | 5 | 12 | 8 | 8 | 4 | 1 | 2 | 7 | 7 | 4 |  | 7 |  | 1
NJR Energy Services Company | US GAS=PHYSICAL | Y | 2000 |  |  |  |  | 167 | 158 | 119 | 194 | 91 | 112 | 137 | 129 | 262 | 159 | 117 | 326 | 29
Noble Gas Marketing Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Noble Gas Marketing Inc. | US GAS=PHYSICAL | N | 167 |  | 17 | 5 | 24 | 20 | 28 | 15 | 15 | 2 | 2 | 1 | 6 | 4 | 5 | 23
Noble Gas Marketing Inc. | US GAS=PHYSICAL | Y | 1147 |  |  |  |  |  |  |  | 34 | 36 | 93 | 105 | 124 | 220 | 174 | 127 | 220 | 14
Noble Petroleum | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
North American Energy Conservation Inc. | US GAS=PHYSICAL | N | 51 | 1 | 2 | 48
North Carolina Natural Gas Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
North Carolina Natural Gas Corporation | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
North Carolina Natural Gas Corporation | US GAS=PHYSICAL | N | 159 | 1 |  | 5 | 4 | 8 | 5 | 11 | 15 | 10 | 17 | 12 | 37 | 6 | 12 | 8 | 6 | 2
North Central Oil Corporation | CANADIAN GAS=PHYSICAL | N | 3 |  | 1 | 1 |  | 1
North Central Oil Corporation | US GAS=PHYSICAL | N | 59 |  | 1 | 1 | 3 | 1 | 3 | 5 | 2 | 3 | 6 | 6 | 4 | 4 | 7 | 8 | 5
North Coast Energy Inc | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 2
North Coast Energy Inc | US GAS=PHYSICAL | N | 14 |  |  |  |  | 1 |  |  |  |  | 1 |  | 1 |  | 9 | 1 |  | 1
North Jersey Energy Associates, a Limited Partnership | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  | 2 |  | 1
North Shore Energy, L.L.C. | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  | 5
North Shore Energy, L.L.C. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
North Shore Energy, L.L.C. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  | 4
North Shore Gas Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
North Shore Gas Company | US GAS=PHYSICAL | N | 58 |  | 1 | 4 | 1 | 4 | 4 |  |  |  |  | 1 | 20 | 21 | 1 |  | 1
Northeast Gas Markets LLC | US GAS=PHYSICAL | N | 10 |  |  |  | 1 | 4 | 2 |  |  | 1 |  |  |  |  |  |  | 2
Northeast Utilities Service Company | US GAS=PHYSICAL | N | 6 |  | 6
Northern AES Energy | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Northern Border Pipeline | CANADIAN GAS=PHYSICAL | N | 4 |  |  | 1 | 3
Northern Border Pipeline | US GAS=PHYSICAL | N | 5 |  |  | 5
Northern Illinois Gas Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Northern Illinois Gas Company | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Northern Illinois Gas Company | US GAS=PHYSICAL | N | 564 |  | 23 | 41 | 44 | 40 | 30 | 25 | 42 | 63 | 65 | 55 | 62 | 33 | 12 | 15 | 14
Northern Indiana Public Service Company | US GAS=PHYSICAL | N | 163 |  | 8 | 43 | 19 | 9 | 33 | 8 | 1 |  | 1 | 3 | 1 | 7 | 21 |  | 8 | 1
Northern Indiana Public Service Company | US GAS=PHYSICAL | Y | 21 |  |  | 6 | 13 |  | 2
Northern Natural Gas Company | US GAS=PHYSICAL | N | 6 |  |  |  | 1 |  |  |  |  |  |  | 2 |  |  |  | 3
Northern Natural Gas Company | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Northern States Power Company, a  Wisconsin Corporation | US GAS=PHYSICAL | N | 4 |  | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Northern States Power Company, a Minnesota Corporation | US GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1
Northern States Power Company, a Minnesota Corporation | US GAS=PHYSICAL | Y | 63 |  |  |  |  |  | 6 | 4 |  |  |  |  | 6 | 10 | 37
Northern Utilities, Inc. | US GAS=PHYSICAL | N | 11 |  |  | 1 |  |  | 6 | 1 | 1 |  | 1 | 1
Northland Power Partnership | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Northrock Resources Ltd. | CANADIAN GAS=PHYSICAL | N | 35 | 2 | 21 | 2 | 2 | 1 | 1 | 1 | 2 | 1 | 1 | 1
Northrock Resources Ltd. | CANADIAN GAS=PHYSICAL | Y | 3 |  |  |  |  |  | 3
Northstar Energy | CANADIAN GAS=PHYSICAL | N | 10 |  | 6 | 2 |  |  |  |  | 2
Northstar Energy | CANADIAN GAS=PHYSICAL | Y | 38 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 25 | 10
Northstar Energy | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Northwest Natural Gas Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Northwest Pacific Energy Marketing Inc. | CANADIAN GAS=PHYSICAL | N | 67 |  | 2 | 5 | 1 | 3 | 2 | 8 | 29 | 15 | 1 | 1
Northwest Pacific Energy Marketing Inc. | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  | 4
Northwood Energy Corporation | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Nova Chemicals Corporation | CANADIAN GAS=PHYSICAL | N | 23 |  | 5 | 2 | 7 | 7 |  | 1 |  | 1
Nova Chemicals Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  | 4
Nova Gas Transmission Ltd. | CANADIAN GAS=PHYSICAL | N | 8 |  |  | 4 | 3 |  |  |  |  |  |  |  |  | 1
Nova Gas Transmission Ltd. | US GAS=PHYSICAL | N | 2 |  |  | 2
Nova Pb Inc. | CANADIAN GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 2
NRG Energy Inc | US GAS=PHYSICAL | N | 20 |  |  |  |  |  |  |  |  |  |  |  | 8 | 6 | 5 |  | 1
NRG Energy Inc | US GAS=PHYSICAL | Y | 184 |  |  |  |  |  |  |  | 4 | 3 | 10 | 33 | 61 | 24 | 20 | 6 | 23
NRG Power Marketing Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3
NUI Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
NUI Corporation | US GAS=PHYSICAL | N | 20 | 3 | 9 | 3 | 2 | 1 |  |  |  | 1 |  | 1
NUI Corporation - City Gas Company of Florida | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
NUI Energy Brokers, Inc. | CANADIAN GAS=PHYSICAL | N | 8 |  | 3 | 2 |  |  |  |  |  |  |  |  | 3
NUI Energy Brokers, Inc. | US GAS=PHYSICAL | N | 193 |  | 6 | 10 | 21 | 39 | 10 | 3 | 5 | 1 | 3 | 7 | 34 | 29 | 11 | 2 | 12
NUI Energy Brokers, Inc. | US GAS=PHYSICAL | Y | 917 |  |  |  | 2 | 20 | 22 | 23 | 21 | 33 | 71 | 77 | 57 | 171 | 104 | 106 | 194 | 16
Numac Energy | CANADIAN GAS=PHYSICAL | N | 3 |  | 3
Numac Energy Inc. | CANADIAN GAS=PHYSICAL | N | 38 | 1 | 8 |  | 1 | 5 |  | 1 | 2 |  | 8 | 3 |  | 6 | 1 | 2
Numac Energy Inc. | CANADIAN GAS=PHYSICAL | Y | 44 |  |  | 8 | 10 | 3 |  |  | 8 | 2 |  | 2 | 1 | 1 | 6 | 3
Numac Energy Inc. | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  | 1
NYSEG Solutions, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Oasis Pipe Line Company | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  | 1 | 4
Occidental Chemical Corporation | US GAS=PHYSICAL | N | 3 |  | 1 | 1 |  |  |  | 1
Occidental Energy Marketing, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Occidental Energy Marketing, Inc. | US GAS=PHYSICAL | N | 233 | 3 | 19 | 66 | 32 | 37 | 10 | 4 | 7 | 3 | 2 | 2 | 6 | 4 | 7 | 24 | 7
Occidental Energy Marketing, Inc. | US GAS=PHYSICAL | Y | 1131 |  |  | 4 | 37 | 175 | 42 | 37 | 110 | 91 | 83 | 80 | 126 | 155 | 39 | 45 | 97 | 10
Occidental Petroleum Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Ocean Energy, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1
Octagon Resources, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  | 3
Offshore Gas Marketing, Inc. | US GAS=PHYSICAL | N | 15 |  |  | 2 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1
OGA 1994-1 Ltd. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
OGE Energy Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 4 |  | 1 | 2 |  | 1
OGE Energy Resources, Inc. | US GAS=PHYSICAL | N | 213 | 5 | 24 | 33 | 23 | 28 | 40 | 16 | 6 | 16 | 5 | 2 | 5 | 4 | 3 |  | 3
OGE Energy Resources, Inc. | US GAS=PHYSICAL | Y | 1070 |  |  |  | 2 | 46 | 49 | 49 | 146 | 99 | 146 | 83 | 108 | 94 | 32 | 72 | 116 | 28
Oglethorpe Power Corporation | US GAS=PHYSICAL | N | 72 |  |  |  |  |  |  | 11 | 17 | 18 | 3 | 1 | 8 | 2 | 5 | 4 | 2 | 1
Ohmstede, Inc. | US GAS=PHYSICAL | N | 2 |  | 1 | 1
Oil & Gas Title Holding Corp. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Oil Well Buyers Corp. | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  | 1 |  |  |  |  | 1 | 1 | 2 |  | 1
Oilco Gas Co | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Oklahoma Gas And Electric Company | US GAS=PHYSICAL | N | 7 |  | 2 | 1 |  |  |  | 1 |  |  |  |  |  |  | 3
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  | 2 | 1 |  | 1
Oman Liquefied Natural Gas, LLC. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
ONEOK Energy Marketing and Trading Company, II | CANADIAN GAS=PHYSICAL | N | 5 |  |  | 3 |  |  |  | 2
ONEOK Energy Marketing and Trading Company, II | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  | 2
ONEOK Energy Marketing and Trading Company, II | US GAS=PHYSICAL | N | 303 | 1 | 19 | 27 | 15 | 34 | 17 | 76 | 40 | 20 | 39 | 11 | 4
ONEOK Energy Marketing and Trading Company, II | US GAS=PHYSICAL | Y | 3263 |  | 8 | 62 | 105 | 36 | 142 | 302 | 527 | 415 | 445 | 377 | 374 | 470
ONEOK Energy Marketing and Trading Company, L.P. | CANADIAN GAS=PHYSICAL | N | 6 |  | 3 |  |  | 1 |  |  | 2
ONEOK Energy Marketing and Trading Company, L.P. | CANADIAN GAS=PHYSICAL | Y | 4 |  |  |  |  |  |  |  |  |  |  |  | 4
ONEOK Energy Marketing and Trading Company, L.P. | US GAS=PHYSICAL | N | 589 | 3 | 71 | 87 | 58 | 47 | 9 |  | 6 | 13 | 12 | 17 | 56 | 53 | 37 | 60 | 54 | 6
ONEOK Energy Marketing and Trading Company, L.P. | US GAS=PHYSICAL | Y | 3085 |  | 25 | 194 | 237 | 293 | 48 |  | 1 |  |  |  | 3 | 274 | 578 | 667 | 653 | 112
Online Resources, Inc | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  | 2 |  | 1
Onondaga Co-Generation LP | US GAS=PHYSICAL | N | 4 |  | 1 | 2 | 1
Onyx Gas Marketing Company, L.C. | US GAS=PHYSICAL | N | 205 |  | 3 | 6 | 24 | 33 | 5 | 26 | 24 | 25 | 13 | 13 | 2 | 16 | 2 | 2 | 9 | 2
Onyx Gas Marketing Company, L.C. | US GAS=PHYSICAL | Y | 3 |  |  |  |  |  | 1 |  |  |  |  |  | 2
Orange & Rockland Utilities Inc. | US GAS=PHYSICAL | N | 9 |  | 8 |  | 1
Oregon Steel Mills, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Oregon Steel Mills, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  | 6 | 1
Orion Pipeline, L.L.C. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  | 2 | 2
Orlando Utilities Commission | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  | 2 | 1 | 1 |  |  | 2 | 1
Ormet Corporation | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  | 8
Ormet Primary Aluminum Corp. | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  | 2 | 2 |  |  |  |  |  | 2
Orwig Oil Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
Osram Sylvania Products Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
OXY USA Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  | 1 |  |  |  |  |  | 1 |  | 1
Oxy Vinyls LP | US GAS=PHYSICAL | N | 6 |  |  |  | 1 | 1 | 1 | 2 |  |  |  |  |  |  | 1
P & M Oil Company, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Pace Industries, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Pacific Atlantic Resources, Inc | US GAS=PHYSICAL | N | 6 |  |  |  | 1 | 2 |  | 1 |  |  |  |  |  |  | 1 | 1
Pacific Gas & Electric Company | CANADIAN GAS=PHYSICAL | N | 172 |  | 9 | 10 | 35 | 18 | 12 | 21 | 4 | 7 | 10 | 3 | 7 | 18 | 4 |  | 14
Pacific Gas & Electric Company | US GAS=PHYSICAL | N | 76 |  | 4 | 6 | 7 |  | 5 |  | 8 | 8 | 17 | 5 | 4 | 2 | 5 |  | 5
Pacific Gas & Electric Company | US GAS=PHYSICAL | Y | 141 |  |  |  |  |  |  |  |  |  | 5 | 12 | 44 | 73 | 7
Pacific Northern Gas Ltd. | CANADIAN GAS=PHYSICAL | N | 25 |  |  |  | 5 | 4 |  |  |  | 1 |  |  | 1 | 14
Pacific Northern Gas Ltd. | CANADIAN GAS=PHYSICAL | Y | 19 |  |  |  | 1 |  |  |  |  | 2 | 10 | 2 | 2 | 2
Pacific Northern Gas Ltd. | US GAS=PHYSICAL | N | 4 |  |  |  | 3 |  | 1
Palmer Gas Co. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Pan American Energy LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Pan Grande Pipeline L.L.C. | US GAS=PHYSICAL | N | 12 |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 | 2 | 4 |  | 2
Panaco Production Company | US GAS=PHYSICAL | N | 3 |  | 1 | 1 |  | 1
Panaco, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Panaco, Inc. | US GAS=PHYSICAL | N | 62 |  |  | 2 | 3 | 19 |  | 1 | 1 | 1 | 1 | 1 | 24 | 1 | 3 | 2 | 3
Panaco, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Pan-Alberta Gas (US) Inc. | CANADIAN GAS=PHYSICAL | N | 27 |  | 1 |  |  | 8 | 6 | 11 | 1
Pan-Alberta Gas (US) Inc. | US GAS=PHYSICAL | N | 111 | 1 | 7 | 8 | 18 | 36 | 16 | 25
Pan-Alberta Gas Ltd. | CANADIAN GAS=PHYSICAL | N | 104 | 9 | 45 | 17 | 7 | 8 | 1 | 14 | 2 |  |  |  |  |  |  |  | 1
Pan-Alberta Gas Ltd. | CANADIAN GAS=PHYSICAL | Y | 198 |  | 18 | 30 | 22 | 46 | 12 | 70
Pan-Alberta Gas Ltd. | US GAS=PHYSICAL | N | 8 |  |  |  | 3 | 4 | 1
Pan-Alberta Gas Ltd. | US GAS=PHYSICAL | Y | 3 |  |  |  |  | 3
PanCanadian Energy Services Inc. | CANADIAN GAS=PHYSICAL | N | 8 |  | 1 | 1 | 2 | 1 |  | 3
PanCanadian Energy Services Inc. | US GAS=PHYSICAL | N | 482 | 7 | 63 | 52 | 52 | 55 | 56 | 35 | 25 | 13 | 26 | 9 | 28 | 18 | 28 | 6 | 8 | 1
PanCanadian Energy Services Inc. | US GAS=PHYSICAL | Y | 3050 |  | 55 | 67 | 89 | 174 | 153 | 265 | 241 | 197 | 256 | 95 | 159 | 469 | 200 | 260 | 343 | 27
PanCanadian Petroleum Limited | CANADIAN GAS=PHYSICAL | N | 106 | 2 | 30 | 29 | 19 | 15 | 3 | 2 | 3 |  |  | 2 |  |  | 1
PanCanadian Petroleum Limited | CANADIAN GAS=PHYSICAL | Y | 285 |  |  |  |  | 27 | 36 | 41 | 22 | 37 | 12 | 29 | 16 | 15 | 11 | 27 | 10 | 2
PanCanadian Petroleum Limited | US GAS=PHYSICAL | N | 24 | 2 | 4 | 3 | 9 |  | 1 |  | 5
PanCanadian Petroleum Limited | US GAS=PHYSICAL | Y | 86 |  |  |  |  |  |  | 8 | 5 | 6 | 5 | 2 | 2 | 16 | 13 | 13 | 16
Panhandle Eastern Pipe Line Company | CANADIAN GAS=PHYSICAL | N | 1 | 1
Panhandle Eastern Pipe Line Company | US GAS=PHYSICAL | N | 4 | 2 |  |  |  |  |  | 2
[NAME], Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1
Papier [NAME] | CANADIAN GAS=PHYSICAL | N | 29 |  |  |  |  | 1 | 1 |  | 1 | 1 | 1 | 1 | 4 | 3 | 7 | 5 | 4
Papier [NAME] | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Paramount Petroleum Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Paramount Resources Ltd. | CANADIAN GAS=PHYSICAL | N | 17 | 1 | 3 | 1 | 1 | 1 | 1 | 1 |  |  |  |  |  |  |  | 6 | 2
Paramount Resources Ltd. | US GAS=PHYSICAL | N | 2 |  | 1 | 1
Pardee Exploration Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Patina Oil & Gas Corporation | US GAS=PHYSICAL | N | 72 |  | 1 | 1 | 2 | 2 | 19 | 20 | 1 | 4 | 2 | 2 | 1 | 2 | 7 | 6 | 1 | 1
[NAME] dba J.G. Cody & Son | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 3 |  | 2
Patten Drilling Company, WH | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Pauley, [NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Payne Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
PC Oil & Gas | US GAS=PHYSICAL | N | 9 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 2 | 4 |  | 2
PCC Energy Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
PCS [NAME], L.P. | CANADIAN GAS=PHYSICAL | N | 4 |  |  | 2 | 2
PCS [NAME], L.P. | US GAS=PHYSICAL | N | 53 | 1 |  | 7 | 4 | 2 | 2 | 2 | 3 | 4 | 4 | 1 | 2 | 4 | 4 | 10 | 3
PCS Nitrogen, Inc. | US GAS=PHYSICAL | N | 10 |  | 1 |  |  |  |  | 1 |  | 3 | 2 |  | 1 |  | 1 | 1
Peco Energy Company | US GAS=PHYSICAL | N | 18 |  |  |  |  |  |  |  |  |  |  |  | 8 | 5 | 4 |  | 1
PECOM ENERGIA S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Pegasus Operating, Inc. | US GAS=PHYSICAL | N | 1 |  | 1
Pengrowth Corporation | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 | 2
Penn West Petroleum | CANADIAN GAS=PHYSICAL | N | 40 |  |  |  |  | 1 | 1 | 1 |  | 14 | 4 | 8 | 7 | 2 | 1 | 1
Penn West Petroleum | CANADIAN GAS=PHYSICAL | Y | 118 |  |  |  |  |  |  |  |  |  |  |  |  | 14 | 14 | 34 | 48 | 8
Penn West Petroleum | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Penn West Petroleum Ltd. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 1 |  | 1
Pennaco Energy, Inc. | US GAS=PHYSICAL | N | 32 |  |  |  |  |  | 5 | 17 | 1 |  | 2 | 2 | 2 | 2 |  |  | 1
Pennaco Energy, Inc. | US GAS=PHYSICAL | Y | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 | 1
Pentex Energy, Inc. | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 5 | 3 |  | 2
Penwest, Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Peoples - SA | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Peoples Energy Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Peoples Energy Corporation | US GAS=PHYSICAL | Y | 60 |  |  |  | 1 |  | 14 |  |  |  | 4 | 6 | 2 | 15 | 18
Peoples Energy Resources Corp | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Peoples Energy Resources Corp | CANADIAN GAS=PHYSICAL | Y | 6 |  |  |  |  |  |  |  |  |  |  |  | 6
Peoples Energy Resources Corp | US GAS=PHYSICAL | N | 11 |  |  |  |  |  |  |  |  |  |  |  | 8 | 2 | 1
Peoples Energy Services Corporation | US GAS=PHYSICAL | N | 22 |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 10 | 6 | 2 | 1
Peoples Gas System, Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Peoples Gas System, Inc. | US GAS=PHYSICAL | N | 100 |  | 1 | 4 | 6 | 10 | 1 | 2 | 2 | 3 | 3 | 6 | 11 | 11 | 14 | 16 | 10
Peoples Gas, a division of Tampa Electric Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 1 | 1
Peoples Gas, a division of Tampa Electric Company | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  | 2
Peoples Natural Gas Company, Division of Utilicorp United Inc. | US GAS=PHYSICAL | N | 4 |  |  | 1 | 2 |  |  |  | 1
Pepco Gas Services, Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Pepco Gas Services, Inc. | US GAS=PHYSICAL | N | 41 |  |  |  |  | 9 | 9 | 3 | 3 | 4 | 3 | 4 | 2 | 3 | 1
Pepco Gas Services, Inc. | US GAS=PHYSICAL | Y | 492 |  |  |  |  |  | 8 | 1 | 28 | 35 | 44 | 71 | 72 | 66 | 48 | 37 | 79 | 3
Pepco Services, Inc. | US GAS=PHYSICAL | N | 46 | 4 | 13 | 3 | 16 | 10
Perkins Oil & Gas, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Perry Gas Companies, Inc. | US GAS=PHYSICAL | N | 217 | 2 | 29 | 13 | 35 | 26 | 27 | 47 | 11 | 10 | 17
Petra Oleum Corp. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 3
Petro Evaluation Service, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Petrobank Energy and Resources Ltd. | CANADIAN GAS=PHYSICAL | N | 55 | 2 | 12 |  |  | 1 |  |  | 5 | 8 | 5 |  |  | 3 | 9 | 9 | 1
Petrobank Energy and Resources Ltd. | CANADIAN GAS=PHYSICAL | Y | 342 |  | 19 | 31 | 20 | 38 | 17 | 19 | 27 | 22 | 3 | 4 | 34 | 28 | 37 | 43
Petrobank Energy and Resources Ltd. | US GAS=PHYSICAL | N | 1 |  | 1
Petrobank Energy and Resources Ltd. | US GAS=PHYSICAL | Y | 3 |  |  |  |  |  |  |  |  |  |  |  | 3
Petro-Canada | CANADIAN GAS=PHYSICAL | N | 9 |  |  |  |  |  |  |  |  |  |  |  | 1 | 4 | 4
Petro-Canada - BC | CANADIAN GAS=PHYSICAL | N | 216 |  |  |  |  |  | 5 | 37 | 9 | 24 | 15 | 5 | 27 | 17 | 23 | 21 | 32 | 1
Petro-Canada - BC | US GAS=PHYSICAL | N | 53 |  |  | 2 | 5 | 39 | 6 |  |  |  |  |  | 1
Petro-Canada - BC | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Petro-Canada - West | CANADIAN GAS=PHYSICAL | N | 386 |  |  |  |  |  | 16 | 38 | 27 | 21 | 27 | 27 | 21 | 49 | 47 | 52 | 55 | 6
Petro-Canada - West | US GAS=PHYSICAL | N | 50 |  | 15 | 12 | 8 | 12 | 3
Petro-Canada - West | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Petro-Canada Hydrocarbons Inc | US GAS=PHYSICAL | N | 9 |  |  |  |  |  |  |  |  |  |  |  | 3 |  | 6
Petro-Canada Oil and Gas | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 3
Petro-Canada Oil and Gas | CANADIAN GAS=PHYSICAL | Y | 45 |  |  | 2 |  | 1 |  | 3 |  |  | 2 | 7 | 9 | 3 | 4 | 9 | 5
Petrocom Energy Group Limited | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Petrocom Energy Group Limited | US GAS=PHYSICAL | N | 250 |  | 6 | 26 | 22 | 7 | 39 | 7 | 33 | 45 | 15 | 7 | 18 | 16 | 4 | 4 | 1
Petrocom Energy Group Limited | US GAS=PHYSICAL | Y | 100 |  |  |  |  |  |  |  |  |  |  |  |  |  | 33 | 31 | 29 | 7
Petrocorp Incorporated | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Petrofina Gas Pipeline Company | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 | 1 |  |  |  | 1 | 1 | 1
Petrogulf Corporation | US GAS=PHYSICAL | N | 23 |  |  |  |  |  | 2 | 10 | 1 | 1 | 1 | 2 | 2 | 1 | 1 | 1 | 1
Petrogulf Corporation | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Petro-Hunt Corporation | US GAS=PHYSICAL | N | 1 |  | 1
Petro-Hunt, L.L.C. | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 2 |  | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Petsec Energy, Inc. | CANADIAN GAS=PHYSICAL | N | 8 |  |  |  |  | 8
Petsec Energy, Inc. | US GAS=PHYSICAL | N | 12 |  |  |  |  | 8 |  | 1 |  | 1 |  | 2
Petsec Energy, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
PG&E Core | CANADIAN GAS=PHYSICAL | N | 7 | 1 |  | 1 | 1 | 1 |  |  | 1 | 1 |  |  | 1
PG&E Core | US GAS=PHYSICAL | N | 169 |  | 13 | 12 | 8 | 22 | 22 | 15 | 6 | 10 | 14 | 2 | 8 | 20 | 16 |  | 1
PG&E Energy Services, Energy Trading Corporation | US GAS=PHYSICAL | N | 18 |  |  | 1 |  | 3 |  |  | 2 |  | 1 | 6 | 1 |  | 2 | 2
PG&E Energy Services, Energy Trading Corporation | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  | 1
PG&E Energy Trading Corporation | US GAS=PHYSICAL | N | 10 |  |  |  |  |  |  |  |  |  | 4 | 6
PG&E Energy Trading Holdings Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
PG&E Energy Trading, Canada Corporation | CANADIAN GAS=PHYSICAL | N | 95 |  | 8 | 6 | 10 | 18 | 5 | 7 | 11 | 5 | 10 | 3 | 4 | 2 | 4 |  | 2
PG&E Energy Trading, Canada Corporation | CANADIAN GAS=PHYSICAL | Y | 1584 |  |  | 37 | 91 | 127 | 105 | 319 | 226 | 165 | 187 | 130 | 85 | 78 | 28 | 5 | 1
PG&E Energy Trading, Canada Corporation | US GAS=PHYSICAL | N | 14 |  |  | 1 |  | 1 | 4 |  |  |  |  |  | 1 | 2 | 5
PG&E Energy Trading, Canada Corporation | US GAS=PHYSICAL | Y | 50 |  |  |  |  |  |  |  |  |  |  |  | 1 | 10 | 30 | 5 |  | 4
PG&E Energy Trading-Gas Corporation | CANADIAN GAS=PHYSICAL | N | 20 |  |  |  | 1 | 5 |  | 6 | 4 | 1 |  |  | 3
PG&E Energy Trading-Gas Corporation | CANADIAN GAS=PHYSICAL | Y | 12 |  |  |  |  | 1 |  | 1 | 8 |  |  |  | 2
PG&E Energy Trading-Gas Corporation | US GAS=PHYSICAL | N | 910 | 6 | 36 | 59 | 70 | 56 | 60 | 63 | 37 | 45 | 23 | 27 | 35 | 22 | 51 | 174 | 142 | 4
PG&E Energy Trading-Gas Corporation | US GAS=PHYSICAL | Y | 4580 |  | 91 | 100 | 235 | 407 | 292 | 329 | 413 | 284 | 263 | 257 | 363 | 813 | 523 | 101 | 75 | 34
PG&E Gas Transmission Teco, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
PG&E Gas Transmission, Northwest Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
PG&E Gas Transmission, Texas Corporation | US GAS=PHYSICAL | N | 3 |  | 1 | 1 | 1
PG&E Texas Industrial Energy, L.P. | US GAS=PHYSICAL | N | 39 |  | 6 | 2 | 3 | 1 | 7 | 7 | 4 | 2 | 2 | 5
PH Exploration, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Phibro Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
Phibro Inc. | US GAS=PHYSICAL | N | 17 | 1 | 9 | 1 | 2 | 1 |  |  |  |  |  |  |  | 1 | 1 |  | 1
Phibro Inc. | US GAS=PHYSICAL | Y | 145 |  | 8 | 2 | 1 | 1 | 2 | 2 |  |  | 2 | 4 | 8 | 43 | 25 | 19 | 24 | 4
Philadelphia Electric Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Philadelphia Gas Works | US GAS=PHYSICAL | N | 76 |  |  |  | 8 | 3 | 16 | 1 | 17 | 8 | 3 |  | 10 | 1 | 2 | 2 | 5
Phillips Gas Marketing Company | CANADIAN GAS=PHYSICAL | N | 17 |  | 7 | 3 | 3 | 1 |  | 2 |  |  |  |  | 1
Phillips Gas Marketing Company | US GAS=PHYSICAL | N | 226 |  | 14 | 2 | 5 | 11 | 14 | 22 | 6 | 8 | 15 | 18 | 24 | 12 | 31 | 35 | 7 | 2
Phillips Petroleum Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Phillips Petroleum Company | US GAS=PHYSICAL | N | 35 |  | 3 | 4 | 5 | 2 | 4 | 2 | 1 |  | 1 | 1 | 1 | 1 | 1 | 6 | 3
Phillips Production Company | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  | 1 |  | 1 |  | 1 |  |  | 1 | 2
Phoenix Dominion Energy, LLC | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
Phoenix Dominion Energy, LLC | US GAS=PHYSICAL | N | 47 |  | 2 | 4 | 2 | 11 |  | 20 | 8
Phoenix Dominion Energy, LLC | US GAS=PHYSICAL | Y | 63 |  | 31 | 4 | 9 | 4 | 2 | 5 | 8
Phoenix Gas Pipeline Company | US GAS=PHYSICAL | N | 8 |  |  |  |  | 1 | 3 |  |  |  |  |  |  |  | 1 | 2 | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Pi Energy Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  | 4
Piedmont Natural Gas Company Inc. | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  | 4 |  |  |  | 2 | 1 | 1
Piedmont Natural Gas Company Inc. | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  | 1 |  |  |  |  | 1
Pine Mountain Oil & Gas, Inc | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
Pintail Production Co. Inc. | US GAS=PHYSICAL | N | 13 |  |  |  |  |  |  |  |  |  |  | 3 | 3 | 3 | 3 | 1
Pintex Operating, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Pioneer Energy Marketing Company, Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  | 1 |  |  |  |  |  |  |  | 1 | 1
Pioneer Energy Marketing Company, Inc. | US GAS=PHYSICAL | N | 171 | 1 | 1 | 3 | 8 | 1 | 1 | 15 | 8 | 3 | 2 | 8 | 10 | 53 | 41 |  | 16
Pioneer Exploration Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  | 1 | 2
Pioneer Gas Pipeline, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  | 2 |  |  |  |  |  |  |  |  |  | 1
Pioneer Natural Resources Canada Inc. | CANADIAN GAS=PHYSICAL | N | 9 |  | 2 | 1 | 1 | 1 |  | 1 |  | 2 | 1
Pioneer Natural Resources Canada Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Pioneer Natural Resources USA, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Piper Energy Inc. | CANADIAN GAS=PHYSICAL | N | 178 |  |  |  |  |  | 3 | 4 | 7 | 9 | 9 | 9 | 25 | 27 | 28 | 30 | 25 | 2
Piper Energy Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  | 5
Piper Energy Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Pittsfield Generating Company, L.P. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 2
Plains Gas Farmers Cooperative Society Of Hereford | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 | 1 | 1
Plains Gas Farmers Cooperative Society Of Hereford | US GAS=PHYSICAL | N | 14 |  | 1 | 2 | 1 | 1 | 1 |  |  |  | 2 | 1 | 1 | 1 | 1 | 1 | 1
PMJ, Inc. | US GAS=PHYSICAL | N | 13 |  |  |  |  | 3 |  |  |  |  |  |  | 1 | 1 | 3 | 3 |  | 2
PNM Gas Services | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
PNM Gas Services | US GAS=PHYSICAL | N | 102 | 1 | 13 | 13 | 3 | 15 | 1 | 1 |  |  | 2 |  | 1 | 21 | 7 | 24
Poco Marketing Ltd. | US GAS=PHYSICAL | N | 40 |  |  |  | 2 |  |  |  |  |  |  | 1 | 1 | 6 | 14 | 14 | 2
Pocono Energy Corp. | US GAS=PHYSICAL | N | 9 |  |  |  |  | 2 |  | 1 |  |  |  |  |  |  | 3 | 2 |  | 1
Pogo Producing Company | US GAS=PHYSICAL | N | 1 |  |  | 1
Poling, C&J | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Pontchartrain Natural Gas System | US GAS=PHYSICAL | N | 23 | 2 | 3 | 9 | 8 |  | 1
Posse Energy, Ltd. | US GAS=PHYSICAL | N | 2 |  | 1 | 1
Post Energy | CANADIAN GAS=PHYSICAL | N | 361 |  |  |  |  |  | 12 | 24 | 35 | 23 | 41 | 29 | 41 | 42 | 38 | 45 | 28 | 3
Post Energy | US GAS=PHYSICAL | N | 92 |  |  |  | 31 | 35 | 25 |  |  |  |  |  | 1
Post Energy Corporation | CANADIAN GAS=PHYSICAL | N | 5 |  | 1 |  |  |  |  |  |  |  |  |  | 3 |  |  | 1
Post Energy Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
Power Gas Marketing & Transmission, Inc. | US GAS=PHYSICAL | N | 11 |  |  | 1 | 8 |  |  |  | 1 |  |  |  |  |  |  |  | 1
Powerex Corp. | CANADIAN GAS=PHYSICAL | N | 21 |  |  | 2 | 4 | 1 |  | 2 | 1 | 3 | 2 |  |  |  | 2 |  | 4
Powerex Corp. | CANADIAN GAS=PHYSICAL | Y | 194 |  |  |  |  | 14 |  | 1 | 8 | 6 | 18 | 20 | 19 | 17 | 27 | 23 | 37 | 4
Powerex Corp. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Powerex, Power Exchange Operation | CANADIAN GAS=PHYSICAL | N | 4 |  | 3 |  |  |  |  |  |  |  |  |  | 1
PP&G Oil Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
PPL Corporation | US GAS=PHYSICAL | N | 9 |  |  |  |  | 6 | 2 |  |  |  | 1
PPL Electric Utilities Corporation | US GAS=PHYSICAL | N | 14 | 1 | 3 | 5 | 2 |  |  | 2 |  |  | 1
PPL Electric Utilities Corporation | US GAS=PHYSICAL | Y | 15 |  |  | 6 | 4 |  |  | 5
PPL EnergyPlus, LLC | US GAS=PHYSICAL | N | 79 |  |  |  |  |  |  |  | 1 | 1 | 14 | 13 | 22 | 3 | 15 | 8 | 2
PPL EnergyPlus, LLC | US GAS=PHYSICAL | Y | 78 |  |  |  |  |  |  |  |  |  |  |  | 3 |  | 9 | 37 | 28 | 1
PPL Gas Utilities Corporation | US GAS=PHYSICAL | N | 87 |  |  |  |  | 6 | 7 | 10 | 11 | 5 | 7 | 4 | 17 | 5 | 3 | 7 | 5
Prather Drilling & Producing Co Inc | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Preferred Pipeline Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Premier Enterprises LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Premier Enterprises, Inc. | US GAS=PHYSICAL | N | 11 |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 9
Premstar Energy Canada Ltd | CANADIAN GAS=PHYSICAL | N | 481 | 6 | 35 | 22 | 19 | 74 | 14 | 28 | 61 | 67 | 13 | 28 | 34 | 12 | 39 | 15 | 14
Premstar Energy Canada Ltd | CANADIAN GAS=PHYSICAL | Y | 428 |  |  | 2 | 23 | 23 | 7 | 49 | 78 | 33 | 42 | 25 | 39 | 36 | 12 | 31 | 26 | 2
Premstar Energy Canada Ltd | US GAS=PHYSICAL | N | 98 |  | 9 | 1 | 19 | 12 | 27 | 17 | 4 | 1 | 4 | 1 | 3
Premstar Energy Canada Ltd | US GAS=PHYSICAL | Y | 521 |  |  |  |  |  |  |  |  | 10 | 55 | 65 | 41 | 104 | 54 | 45 | 135 | 12
Pride Energy Company | US GAS=PHYSICAL | N | 10 |  |  |  | 1 |  |  |  |  |  |  |  |  | 1 | 2 | 4 |  | 2
Prime Operating Company | US GAS=PHYSICAL | N | 11 |  |  |  |  |  |  |  |  |  | 2 | 2 | 2 | 2 | 2 | 1
PrimeEnergy Corporation | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 |  | 1
Primero Gas Marketing Company | US GAS=PHYSICAL | N | 1 |  | 1
PrimeWest Energy Inc. | CANADIAN GAS=PHYSICAL | N | 1 | 1
PrimeWest Energy Inc. | CANADIAN GAS=PHYSICAL | Y | 48 |  | 5 | 6 | 9 | 5 | 3 | 8 | 2 | 10
PrimeWest Energy Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Pringle Resources, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  | 2 | 2 | 3
Prior Energy Corporation | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Prior Energy Corporation | US GAS=PHYSICAL | N | 344 |  | 3 | 9 | 27 | 17 | 23 | 19 | 49 | 47 | 41 | 20 | 31 | 11 | 21 | 21 | 4 | 1
Prior Energy Corporation | US GAS=PHYSICAL | Y | 284 | 1 | 3 | 5 | 1 | 2 | 52 |  |  | 6 | 29 | 4 | 9 | 23 | 30 | 73 | 45 | 1
Private Stock Corporation | US GAS=PHYSICAL | N | 8 |  |  | 1 |  |  |  |  |  |  |  | 1 |  |  | 3 | 2 |  | 1
Prize Energy Resources LP | US GAS=PHYSICAL | N | 45 |  |  |  | 13 |  |  |  |  | 4 | 13 | 1 | 5 | 1 | 2 | 4 |  | 2
Pro Gas Inc. | US GAS=PHYSICAL | N | 3 |  |  |  | 1 |  |  |  |  |  | 1 | 1
Producer Energy Marketing Company | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Producers Gas Transmission | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
Producers Marketing Ltd | CANADIAN GAS=PHYSICAL | N | 93 |  | 5 | 8 | 6 | 8 | 14 | 9 | 8 |  | 15 | 1 | 2 | 3 | 2 | 1 | 11
Producers Marketing Ltd | CANADIAN GAS=PHYSICAL | Y | 234 |  | 4 | 14 | 8 | 17 | 11 | 38 | 31 | 14 | 15 | 8 | 13 | 55 | 4 | 1 |  | 1
Producers Marketing Ltd | US GAS=PHYSICAL | N | 7 |  |  |  | 4 | 2 |  |  |  |  |  |  | 1
Producers Marketing Ltd | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Progas Enterprises Limited | CANADIAN GAS=PHYSICAL | N | 45 | 3 | 23 | 12 | 1 |  |  | 5 |  |  |  | 1
Progas Enterprises Limited | CANADIAN GAS=PHYSICAL | Y | 1123 |  |  |  | 6 | 129 | 104 | 195 | 192 | 156 | 136 | 147 | 58
Progas Enterprises Limited | US GAS=PHYSICAL | N | 3 |  |  |  | 3
[NAME] | US GAS=PHYSICAL | N | 6 |  |  | 1 |  | 1 |  | 3 | 1
ProGas, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  | 1
ProLiance Energy, LLC | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
ProLiance Energy, LLC | US GAS=PHYSICAL | N | 359 | 5 | 12 | 2 | 7 | 23 | 5 | 13 | 3 | 12 | 23 | 15 | 42 | 42 | 93 | 26 | 34 | 2
ProLiance Energy, LLC | US GAS=PHYSICAL | Y | 245 |  |  |  | 10 | 42 | 12 | 66 | 107 |  |  |  |  |  |  |  | 1 | 7
PSEG Energy Technologies Inc. | US GAS=PHYSICAL | N | 3 |  |  |  | 3
PSEG Energy Technologies Inc. | US GAS=PHYSICAL | Y | 5 |  |  |  | 5
PSNC Production Corporation Inc. | US GAS=PHYSICAL | N | 39 |  |  |  |  |  |  |  | 1 | 12 | 3 | 2 | 11 |  |  | 7 | 3
Public Service Company Of Colorado | US GAS=PHYSICAL | N | 57 |  |  |  |  |  |  |  |  |  | 23 | 14 | 5 | 5 | 2 | 2 | 6
Public Service Company Of New Mexico | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Public Service Company Of Oklahoma | US GAS=PHYSICAL | N | 79 | 1 | 10 | 10 | 20 | 11 | 2 | 6 | 3 | 1 | 2 | 2 |  |  |  |  | 11
Public Service Electric and Gas Company | US GAS=PHYSICAL | N | 141 |  | 1 | 1 | 7 | 6 | 26 | 18 | 19 | 2 | 13 | 8 | 23 | 5 | 3 | 2 | 6 | 1
Puget Sound Energy, Inc. | CANADIAN GAS=PHYSICAL | N | 46 |  | 1 | 1 |  | 7 |  | 6 | 3 | 5 | 2 | 6 | 4 | 2 | 1 | 5 | 3
Puget Sound Energy, Inc. | CANADIAN GAS=PHYSICAL | Y | 244 |  |  |  | 3 | 42 | 5 | 7 | 3 | 6 | 19 | 25 | 30 | 21 | 15 | 23 | 34 | 11
Puget Sound Energy, Inc. | US GAS=PHYSICAL | N | 176 |  | 12 | 4 | 6 | 50 | 13 | 23 | 9 | 5 | 11 | 20 | 3 | 7 |  | 4 | 9
Puget Sound Energy, Inc. | US GAS=PHYSICAL | Y | 210 |  |  |  | 4 | 14 | 25 | 13 | 6 | 3 | 12 | 15 | 11 | 6 | 12 | 63 | 22 | 4
Pure Resources Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 2
Pure Resources LP | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  |  | 2 | 2 | 1
Putnam Natural Gas Co. | US GAS=PHYSICAL | N | 6 |  |  |  |  | 2 |  |  |  |  |  |  | 1 | 1 | 2
Qualitech Steel Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 1 |  |  |  |  | 1
Quantum Energy, L.L.C. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 |  |  |  | 1 |  |  |  | 1
Questa Petroleum Company | US GAS=PHYSICAL | N | 4 |  |  |  |  | 3 |  |  |  |  |  |  | 1
Questar Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  | 1
Questar Energy Trading Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Questar Energy Trading Company | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Questar Energy Trading Company | US GAS=PHYSICAL | N | 355 | 2 | 2 | 18 | 19 | 6 | 21 | 22 | 24 | 27 | 21 | 48 | 36 | 29 | 13 | 30 | 36 | 1
Questar Gas Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Questar Gas Company | US GAS=PHYSICAL | N | 8 |  |  |  |  |  | 1 |  |  |  |  |  | 2 | 1 | 1 |  | 3
QuickTrade Canada Limited Partnership | CANADIAN GAS=PHYSICAL | N | 102 | 24 | 57 | 21
QuickTrade Canada Limited Partnership | US GAS=PHYSICAL | N | 1 |  |  | 1
[NAME] Santa Cruz Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Q-West Energy Company | US GAS=PHYSICAL | N | 66 |  |  | 3 | 10 | 15 | 6 | 10 | 22
[NAME] | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 11 |  | 1 | 2 | 1 | 2 | 2 | 1 |  |  |  | 1 |  |  |  |  | 1
R.A. Miller Energy, Inc | US GAS=PHYSICAL | N | 22 |  |  |  |  | 2 | 6 |  |  |  |  |  | 2 | 3 | 3 | 3 | 3
R.A. Miller Energy, Inc | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
R.B. Robertson & Son Gas & Oil Co. | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
R.B. Robertson & Son Gas & Oil Co. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 2
Ralaco Ventures | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  | 1 | 2 |  |  |  |  | 1 |  | 2
Ranchero | CANADIAN GAS=PHYSICAL | N | 179 |  |  |  |  |  | 6 | 23 | 17 | 9 | 16 | 13 | 5 | 24 | 21 | 23 | 19 | 3
Ranchero | US GAS=PHYSICAL | N | 36 |  |  |  | 15 | 9 | 12
Ranchero | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Randall Oil Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
Range Energy Services Company | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Range Resources Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 1 | 1
Ranger Oil Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Ranger Oil Limited | CANADIAN GAS=PHYSICAL | N | 10 |  |  |  | 2 | 1 | 3 | 3 | 1
Ranger Oil Limited | CANADIAN GAS=PHYSICAL | Y | 14 |  |  | 1 | 1 | 2 | 5 | 3 | 2
Ranger Oil Limited | US GAS=PHYSICAL | N | 5 |  |  | 1 | 1 |  | 3
Raven Energy Ltd. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 2
RCI Energy | US GAS=PHYSICAL | N | 1 |  | 1
Red Cedar Gathering Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Red Cedar Gathering Company | US GAS=PHYSICAL | N | 8 |  |  |  |  | 2 | 2 |  | 1 | 2 | 1
Red Eagle Resources Corp. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  | 3
Red Willow Production Company | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  | 2 |  |  | 1 | 2
Red Willow Production Company | US GAS=PHYSICAL | N | 106 |  | 2 | 2 | 5 | 8 | 2 | 7 | 14 | 10 | 17 | 2 | 12 | 6 | 5 | 6 | 8
Redeagle Resources Ltd. | CANADIAN GAS=PHYSICAL | N | 70 |  |  |  |  |  |  |  |  |  |  |  |  | 8 | 18 | 23 | 19 | 2
Reedy Creek Energy Services Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Reedy Creek Improvement District | US GAS=PHYSICAL | N | 1 |  |  |  | 1
REH Energy, Inc. | US GAS=PHYSICAL | N | 8 |  |  |  |  | 3 |  |  |  |  |  |  |  | 1 | 1 | 2 |  | 1
Reliance Energy Inc | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Reliance Energy Inc | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Reliant Energy - Arkla | US GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  | 1 | 3
Reliant Energy - Entex | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  | 2
Reliant Energy - Entex | US GAS=PHYSICAL | N | 93 | 2 | 5 | 13 | 13 | 7 | 2 | 11 | 3 | 7 | 6 | 1 | 2 | 3 | 7 | 7 | 3 | 1
Reliant Energy Field Services, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Reliant Energy Gas Transmission Company | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
Reliant Energy Gas Transmission Company | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  | 2 |  | 2
Reliant Energy HL&P | US GAS=PHYSICAL | N | 168 |  | 8 | 3 | 26 | 34 | 15 | 14 | 13 | 14 | 3 | 4 | 8 | 9 | 8 | 5 | 3 | 1
Reliant Energy HL&P | US GAS=PHYSICAL | Y | 125 |  |  |  |  |  |  |  | 10 | 31 | 28 | 14 | 6 | 26 | 8 | 2
Reliant Energy Resources Corp. | CANADIAN GAS=PHYSICAL | N | 3 |  |  | 2 | 1
Reliant Energy Resources Corp. | US GAS=PHYSICAL | N | 1 |  |  | 1
Reliant Energy Services Canada Ltd. | CANADIAN GAS=PHYSICAL | N | 183 |  | 32 | 33 | 14 | 6 | 8 | 14 | 11 | 10 | 14 | 10 | 9 | 7 | 1 | 8 | 6
Reliant Energy Services Canada Ltd. | CANADIAN GAS=PHYSICAL | Y | 846 |  |  |  | 13 | 40 | 46 | 58 | 51 | 27 | 50 | 95 | 80 | 78 | 28 | 140 | 125 | 15
Reliant Energy Services Canada Ltd. | US GAS=PHYSICAL | N | 34 |  | 1 | 1 | 17 |  | 3 |  | 2 | 1 | 3 |  |  | 1 | 1 | 1 | 1 | 2
Reliant Energy Services, Inc. | CANADIAN GAS=PHYSICAL | N | 32 | 1 | 3 | 4 | 1 | 7 | 6 | 2 | 4 |  |  |  | 1 | 1 |  |  | 2
Reliant Energy Services, Inc. | CANADIAN GAS=PHYSICAL | Y | 96 |  |  |  | 2 | 2 | 2 |  |  | 3 | 6 | 9 | 6 |  | 2 | 2 | 61 | 1
Reliant Energy Services, Inc. | US GAS=PHYSICAL | N | 852 | 6 | 37 | 70 | 68 | 59 | 43 | 69 | 47 | 39 | 71 | 49 | 72 | 51 | 41 | 81 | 47 | 2
Reliant Energy Services, Inc. | US GAS=PHYSICAL | Y | 14833 |  |  |  | 119 | 399 | 318 | 798 | 1038 | 761 | 1107 | 1190 | 1263 | 1625 | 2309 | 1823 | 1835 | 248
Reliant Energy Trading & Marketing B.V. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Reliant Energy Trading & Marketing B.V. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 3 | 1
Reliant Energy, Incorporated | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  | 1
Reliant Energy, Incorporated | US GAS=PHYSICAL | N | 1 |  | 1
Renaissance Energy (US) Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 2
Renaissance Energy Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Renaissance Energy Ltd. | US GAS=PHYSICAL | N | 15 |  | 2 | 10 | 1 |  |  | 1 | 1
Renault Argentina S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Republic Drilling Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
Retex Inc. | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Retex Inc. | US GAS=PHYSICAL | N | 292 |  | 22 | 6 | 24 | 15 | 33 | 21 | 24 | 8 | 26 | 20 | 35 | 20 | 9 | 13 | 14 | 2
Retex Inc. | US GAS=PHYSICAL | Y | 5 |  |  |  |  |  |  |  | 2 |  |  |  |  |  | 3
Reynolds Drilling Co. Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Rhodia Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Riceland Petroleum Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Riceland Petroleum Company | US GAS=PHYSICAL | N | 9 |  |  |  |  |  |  | 1 | 2 |  |  |  |  | 1 | 1 | 2 |  | 2
Richard & [NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Richardson Products Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Richardson Products Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  | 2 | 1
Richardson Products II, Ltd. | CANADIAN GAS=PHYSICAL | N | 7 |  |  |  | 1 | 3 |  |  | 3
Richardson Products II, Ltd. | US GAS=PHYSICAL | N | 278 | 2 | 11 | 21 | 15 | 22 | 34 | 33 | 20 | 16 | 9 | 11 | 21 | 16 | 15 | 14 | 16 | 2
Richardson Products II, Ltd. | US GAS=PHYSICAL | Y | 541 |  |  | 9 | 7 | 22 | 23 | 58 | 70 | 25 | 30 | 71 | 39 | 25 | 100 | 40 | 18 | 4
Riley Natural Gas Company | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Riley-Scott Gas Co | US GAS=PHYSICAL | N | 10 |  |  |  |  | 2 |  | 3 |  |  |  |  |  | 1 | 3 | 1
Rincon Petroleum Corporation | US GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  |  |  |  |  |  | 1
Rio Alto Exploration Ltd. | CANADIAN GAS=PHYSICAL | N | 62 |  |  |  |  | 1 |  |  | 18 | 16 | 18 | 2 | 1 |  |  | 2 | 4
Rio Alto Exploration Ltd. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  | 1
Rio Vista Energy, Ltd. | US GAS=PHYSICAL | N | 14 |  | 1 |  |  |  |  | 1 | 3 |  | 7 |  |  | 1 |  |  | 1
Ritchie Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  | 2 |  |  |  |  |  |  |  |  | 1 | 1
Ritchie Petroleum Corp. | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 6 |  | 3
Riverside Pipeline Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Riverside Pipeline Company | US GAS=PHYSICAL | N | 86 |  | 7 | 5 | 7 | 7 | 11 | 12 | 13 | 3 | 2 | 1 | 4 | 4 | 2 | 3 | 5
Riverside Products & Services, LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Roanoke Gas Company | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Roberson Oil Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Robert & Jenkins | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Rochelle Municipal Utilities | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  | 2 |  | 1 | 1
Rochelle, City Of | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  | 1 | 2
Rock Island Service Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Rocky Mountain Natural Gas & Electric L.L.C. | US GAS=PHYSICAL | N | 38 | 1 | 7 | 10 | 5 | 2 |  |  | 1 | 3 | 4 | 4 | 1
[NAME] | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 9 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 2 | 4 |  | 2
Rogerville Gas Corp. | US GAS=PHYSICAL | N | 5 |  | 1 | 2 | 1 |  |  |  |  |  |  | 1
Rohm and Haas Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
[NAME] and Haas Texas Inc. | US GAS=PHYSICAL | N | 22 |  | 2 | 2 | 1 | 2 | 1 | 1 | 1 | 1 | 2 | 1 |  | 2 | 2 | 2 | 2
[NAME] and Haas Texas Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME] dba R&M Oil & Gas Co. | US GAS=PHYSICAL | N | 6 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 |  | 2 |  | 1
[NAME] | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 | 1 |  | 1
Royale Energy, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  | 1
Royale Energy, Inc. | US GAS=PHYSICAL | N | 10 | 1 |  |  | 2 |  | 1 | 1 |  |  | 1 | 2 |  | 2
[NAME], Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
[NAME], Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Rubin Resources, Inc. | US GAS=PHYSICAL | N | 28 |  |  | 2 | 2 |  |  |  |  |  |  |  |  |  | 6 | 12 |  | 6
Rush Cook Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
[NAME] and [NAME] | US GAS=PHYSICAL | N | 8 |  |  |  |  | 2 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
Russellville Gas Board | US GAS=PHYSICAL | N | 6 |  |  |  |  |  | 1 | 1 | 1 | 1 |  |  |  | 2
[NAME] | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
Rutherford Oil Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 2
S & R Gas Ventures, Ltd. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Sabco Oil and Gas Corporation | US GAS=PHYSICAL | N | 2 |  |  |  | 2
Sabine Hub Services Company | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  |  | 1 |  | 3 |  |  |  | 1
Sabine Hub Services, a division of Texaco Canada Petroleum Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Sabine Pipe Line Company Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Sabine Transportation Company | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 1 | 1
Sacramento Municipal Utility District | US GAS=PHYSICAL | N | 25 |  |  |  |  |  | 7 |  |  |  |  |  |  |  | 1 | 11 | 6
Safari Production Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3
Sage Gas Alliance LLC | US GAS=PHYSICAL | N | 9 |  |  |  | 5 | 4
Salt River Project Agricultural Improvement and Power District | CANADIAN GAS=PHYSICAL | N | 3 |  |  | 1 |  |  | 1 | 1
Salt River Project Agricultural Improvement and Power District | US GAS=PHYSICAL | N | 214 | 1 | 6 | 18 | 15 | 12 | 13 | 11 | 16 | 3 | 22 | 25 | 16 | 18 | 4 | 13 | 18 | 3
Samedan Oil Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Samson Investment Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Samson Lone Star Limited Partnership | US GAS=PHYSICAL | N | 58 |  | 4 | 1 | 2 | 1 |  | 2 |  | 2 | 4 |  | 2 | 2 | 12 | 16 | 8 | 2
Samson Resources Company | US GAS=PHYSICAL | N | 11 |  |  |  |  | 1 | 1 | 1 | 1 | 1 | 1 |  | 1 | 1 | 1 | 1 | 1
San Antonio, City of | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
San Diego Gas & Electric Company | CANADIAN GAS=PHYSICAL | N | 22 |  |  |  |  | 6 |  | 5 | 3 |  | 6 |  | 1 | 1
San Diego Gas & Electric Company | CANADIAN GAS=PHYSICAL | Y | 62 |  |  |  |  | 7 |  | 21 | 1 | 10 |  | 1 | 15 | 7
San Diego Gas & Electric Company | US GAS=PHYSICAL | N | 124 | 2 | 4 | 15 | 7 | 10 | 9 | 5 | 4 | 4 | 4 | 1 | 7 | 13 | 12 | 8 | 15 | 4
San Diego Gas & Electric Company | US GAS=PHYSICAL | Y | 401 |  |  | 6 | 34 | 56 | 24 | 39 | 84 | 13 |  | 23 | 19 | 73 | 30
San Jacinto Industrial Gas Company | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  | 1 |  |  |  | 1 |  | 4
San Patricio Corporation | US GAS=PHYSICAL | N | 3 |  | 1 |  |  |  |  |  |  |  |  |  |  |  | 2
Sanchez Oil & Gas Corporation | US GAS=PHYSICAL | N | 5 | 1 |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1
Sandbar Oil and Gas Company | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 2 | 1
Sandia Resources Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  | 1 | 2
Santa Fe #1 Ltd. Partnership | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
SaskEnergy Incorporated | CANADIAN GAS=PHYSICAL | N | 52 |  |  |  | 2 | 7 | 2 | 5 | 4 | 2 | 2 | 4 | 3 | 6 | 4 | 4 | 7
SaskEnergy Incorporated | CANADIAN GAS=PHYSICAL | Y | 665 |  | 21 | 19 | 4 | 6 | 17 | 56 | 95 | 14 | 49 | 39 | 10 | 110 | 24 | 117 | 79 | 5
Savannah Electric and Power Company | US GAS=PHYSICAL | N | 72 |  |  | 2 | 7 | 6 | 6 | 9 | 6 | 14 | 17 | 3 | 1 |  |  |  | 1
Savannah Foods Industrial | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
Saxet Energy, Ltd | US GAS=PHYSICAL | N | 10 |  |  | 3 | 1 | 1 |  | 2 |  |  | 1 | 1 | 1
Scana Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Scana Energy Marketing, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  | 1
Scana Energy Marketing, Inc. | US GAS=PHYSICAL | N | 182 | 1 | 8 | 18 | 16 | 12 | 7 | 22 | 15 | 22 | 14 | 16 | 8 | 1 | 6 | 7 | 7 | 2
Scana Energy Marketing, Inc. | US GAS=PHYSICAL | Y | 216 |  |  |  |  |  |  |  |  | 11 | 23 | 13 | 21 | 23 | 55 | 55 | 15
Scana Energy Trading LLC | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  | 2 |  | 1
Scana Energy Trading LLC | US GAS=PHYSICAL | N | 143 |  |  | 1 |  |  | 5 | 5 |  | 10 | 20 | 5 | 18 | 19 | 27 | 30 | 3
Scana Energy Trading LLC | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Scepter Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Scion Energy, Inc. | US GAS=PHYSICAL | N | 9 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 2 | 4 |  | 2
SDS Petroleum Products, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  | 1 | 3
Select Energy, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Select Energy, Inc. | US GAS=PHYSICAL | N | 153 | 2 | 12 | 10 | 7 | 12 | 4 | 11 | 15 | 9 | 7 | 2 | 15 | 28 | 1 | 15 | 3
Select Energy, Inc. | US GAS=PHYSICAL | Y | 214 |  |  |  |  |  | 9 | 20 | 22 | 49 | 57 | 38 | 7 | 2 |  |  | 8 | 2
Selkirk Cogen Partners LP | US GAS=PHYSICAL | N | 5 |  | 1 | 2 |  |  | 1 | 1
SEMCO Energy, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  | 1
Seminole Energy Services, L.L.C. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Seminole Energy Services, L.L.C. | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  | 1 | 3 | 3 |  | 1 | 2 | 1 | 1
Seminole Pipeline Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Sempra Energy Resources | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Sempra Energy Sales, LLC | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Sempra Energy Sales, LLC | US GAS=PHYSICAL | N | 18 |  | 2 | 1 | 5 | 2 | 1 | 1 |  |  | 2 |  | 4
Sempra Energy Solutions, LLC | US GAS=PHYSICAL | N | 14 |  |  |  |  |  |  |  |  | 1 |  | 1 | 1 | 2 |  | 2 | 5 | 2
Sempra Energy Solutions, LLC | US GAS=PHYSICAL | Y | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | 5
Sempra Energy Trading (Canada) Ltd. | CANADIAN GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 4
Sempra Energy Trading Corp. | CANADIAN GAS=PHYSICAL | N | 127 |  | 20 | 13 | 5 | 20 | 5 | 11 | 8 | 6 | 2 | 7 | 3 | 4 | 4 | 11 | 8
Sempra Energy Trading Corp. | CANADIAN GAS=PHYSICAL | Y | 2285 |  | 12 | 28 | 121 | 148 | 148 | 222 | 225 | 181 | 153 | 182 | 113 | 214 | 114 | 179 | 234 | 11
Sempra Energy Trading Corp. | US GAS=PHYSICAL | N | 621 | 1 | 39 | 63 | 49 | 81 | 51 | 35 | 48 | 24 | 35 | 20 | 27 | 41 | 13 | 43 | 46 | 5
Sempra Energy Trading Corp. | US GAS=PHYSICAL | Y | 3546 |  | 5 | 3 | 13 | 93 | 114 | 264 | 245 | 264 | 275 | 325 | 212 | 508 | 365 | 394 | 421 | 45
Sempra Energy Trading Services Corp. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Sempra Energy Trading Services Corp. | US GAS=PHYSICAL | N | 4 |  |  |  | 1 |  |  |  |  | 2 |  |  |  |  | 1
Sempra Energy Trading Services Corp. | US GAS=PHYSICAL | Y | 7 |  |  |  |  |  |  |  | 5 |  |  | 2
Seneca Resources Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1
SG Interests I, Ltd. | CANADIAN GAS=PHYSICAL | N | 3 |  | 1 |  |  |  |  |  | 2
SG Interests I, Ltd. | CANADIAN GAS=PHYSICAL | Y | 3 |  |  |  |  |  |  |  |  |  |  |  | 3
SG Interests I, Ltd. | US GAS=PHYSICAL | N | 209 |  | 4 | 10 | 4 | 5 | 7 | 5 | 1 |  | 4 | 18 | 43 | 27 | 28 | 36 | 15 | 2
SG Interests II, Ltd. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 2 |  | 1
SG Interests II, Ltd. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  | 1 |  |  |  | 1 |  | 3
SGL CANADA INC. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Shamrock Energy Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  | 1 |  |  |  | 1 |  |  |  |  | 1
Shanghai Energy Corp. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 1 |  | 1
Sheffield Utilities | US GAS=PHYSICAL | N | 10 |  |  |  |  |  | 1 | 1 | 1 | 1 | 6
Sheldon 95-1 | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Shell Chemical Company | US GAS=PHYSICAL | N | 3 |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Shell Oil Company | US GAS=PHYSICAL | N | 3 |  | 1 |  |  |  |  | 1 |  |  |  |  |  |  | 1
Shell Western E&P Inc. | US GAS=PHYSICAL | N | 34 |  | 1 | 1 | 1 | 1 |  | 1 | 1 | 1 | 1 | 14 | 5 | 1 | 1 | 1 | 4
Shenandoah Energy, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Shoreham Energy Services Company | US GAS=PHYSICAL | N | 206 | 1 | 6 | 2 | 7 | 4 | 11 | 6 | 14 | 1 | 19 | 12 | 13 | 14 | 27 | 24 | 43 | 2
Shoreline Gas Inc. | US GAS=PHYSICAL | N | 58 |  | 3 | 2 | 9 | 3 | 1 |  | 3 | 1 | 4 | 2 | 4 | 6 | 6 | 9 | 2 | 3
Shoreline Gas Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Sierra Pacific Power Company | CANADIAN GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  | 1 | 2
Sierra Pacific Power Company | CANADIAN GAS=PHYSICAL | Y | 83 |  |  |  | 8 | 1 |  | 3 |  |  | 2 | 1 | 1 |  |  | 43 | 21 | 3
Sierra Pacific Power Company | US GAS=PHYSICAL | N | 178 | 1 | 10 | 30 | 6 | 1 | 3 | 11 | 4 | 13 | 7 | 11 | 15 | 20 | 16 | 12 | 18
Sierra Pacific Power Company | US GAS=PHYSICAL | Y | 314 |  |  |  | 36 | 42 | 42 | 5 | 13 | 11 | 7 | 9 | 11 | 23 | 10 | 96 | 7 | 2
Sierra Pacific Resources | US GAS=PHYSICAL | N | 11 |  |  |  |  |  |  |  |  | 5 | 4 |  |  |  |  | 2
SIGCORP Energy Services | US GAS=PHYSICAL | N | 59 | 2 | 10 | 4 | 11 | 3 | 17 |  |  |  |  | 6 | 2 | 4
Sigcorp, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Sigcorp, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Silver Pines Energy Corporation | US GAS=PHYSICAL | N | 3 |  |  |  | 3
Simpson Tacoma Kraft Company | US GAS=PHYSICAL | N | 28 |  | 13 | 2 | 2 | 1 | 1 | 3 |  |  |  | 1 |  | 1 | 2 | 1 | 1
Simray Oil & Gas, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Sinclair Oil & Gas | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Sinclair Oil Corporation | US GAS=PHYSICAL | N | 101 |  | 22 | 1 | 9 | 1 | 2 | 14 | 14 |  | 16 | 15 | 3 | 1 | 1 | 1 | 1
Sithe Power Marketing, Inc. | US GAS=PHYSICAL | N | 12 | 2 | 7 | 3
Sithe/Independence Power Partners, L.P. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  | 2 |  | 2 | 1
Smith Energy - 1986 A Partnership | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
Smith, Lawrence & Ethel | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 | 1 |  | 1
Smith, [NAME] | US GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Smurfit-Stone Container Corporation | US GAS=PHYSICAL | N | 7 |  | 4 |  |  |  |  |  |  |  |  |  | 2 |  |  |  | 1
Solutia Inc. | US GAS=PHYSICAL | N | 20 |  | 1 | 1 | 5 | 1 | 1 | 3 |  | 2 | 1 | 1 |  | 1 | 1 | 1 |  | 1
Solvay Polymers, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Somerset Oil & Gas Company, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  |  |  |  |  |  | 1
Sonat Energy Services Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Sonat Marketing Company L.P. | US GAS=PHYSICAL | N | 6 | 2 | 3 | 1
Sonora Petroleum Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 4
Sound Energy Company, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
South Carolina Electric & Gas Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
South Carolina Pipeline Corporation | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
South Carolina Pipeline Corporation | US GAS=PHYSICAL | N | 117 | 2 | 1 | 1 | 11 | 2 | 4 | 10 | 12 | 21 | 20 | 2 | 20 | 8 | 3
South Florida Natural Gas Co Inc | US GAS=PHYSICAL | N | 25 |  |  |  |  |  |  |  |  |  |  |  |  | 5 | 9 | 5 | 6
South Hampton Refining Co. | US GAS=PHYSICAL | N | 3 |  |  | 1 | 1 |  |  |  |  |  |  |  |  |  | 1
South Jersey Energy Company | US GAS=PHYSICAL | N | 4 |  |  |  |  | 1 |  |  |  |  |  | 2 | 1
South Jersey Gas Company | US GAS=PHYSICAL | N | 27 |  | 1 | 5 | 7 | 8 |  |  | 2 |  |  |  | 1 | 1 |  | 2
South Jersey Gas Company | US GAS=PHYSICAL | Y | 26 |  |  |  |  |  |  |  | 3 |  | 2 |  | 4 | 15 |  | 2
South Jersey Resources Group LLC | US GAS=PHYSICAL | N | 61 |  | 5 | 6 | 1 | 2 | 1 | 3 | 6 | 3 | 4 | 5 | 10 | 1 | 6 | 4 | 4
Southern California Gas Company | CANADIAN GAS=PHYSICAL | N | 14 |  |  |  | 1 | 4 |  | 3 | 4 | 1 | 1
Southern California Gas Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Southern California Gas Company | US GAS=PHYSICAL | N | 155 |  | 2 | 11 | 15 | 14 | 20 | 12 | 1 | 1 | 49 | 2 | 12 | 3 | 2 | 4 | 6 | 1
Southern California Gas Company | US GAS=PHYSICAL | Y | 972 |  |  |  |  |  |  | 157 | 106 | 80 | 13 | 93 | 41 | 160 | 151 | 84 | 79 | 8
Southern Company Energy Marketing Canada Ltd. | CANADIAN GAS=PHYSICAL | N | 149 |  |  |  |  |  |  |  | 14 |  | 28 | 28 | 19 | 22 | 16 | 16 | 6
Southern Company Energy Marketing Canada Ltd. | CANADIAN GAS=PHYSICAL | Y | 1441 |  |  |  |  |  |  |  |  | 67 | 243 | 229 | 194 | 233 | 112 | 303 | 60
Southern Company Energy Marketing Canada Ltd. | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  | 1 |  | 5 |  | 2
Southern Company Energy Marketing Canada Ltd. | US GAS=PHYSICAL | Y | 11 |  |  |  |  |  |  |  |  |  |  |  | 9 |  | 2
Southern Company Energy Marketing, L.P. | CANADIAN GAS=PHYSICAL | N | 59 |  | 3 | 2 | 6 | 11 | 4 | 11 | 11 | 8 | 3
Southern Company Energy Marketing, L.P. | CANADIAN GAS=PHYSICAL | Y | 84 |  |  |  | 8 |  |  | 4 | 69 |  | 3
Southern Company Energy Marketing, L.P. | US GAS=PHYSICAL | N | 1360 | 16 | 93 | 183 | 142 | 143 | 129 | 132 | 132 | 129 | 127 | 134
Southern Company Energy Marketing, L.P. | US GAS=PHYSICAL | Y | 5932 | 5 | 161 | 300 | 553 | 720 | 523 | 705 | 911 | 688 | 723 | 643
Southern Company Inc, The | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Southern Company Inc, The | US GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  |  |  |  |  | 1
Southern Company Services, Inc. | US GAS=PHYSICAL | N | 3 |  | 1 |  |  |  |  |  |  |  |  | 2
Southern Cross Petroleums Ltd. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Southern Gas Company Inc. | US GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  |  |  |  | 1
Southern Gas Marketing Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 1
Southern Indiana Gas & Electric Company | US GAS=PHYSICAL | N | 8 |  |  |  | 2 |  |  |  |  |  |  |  | 3 | 1 | 2
Southern Indiana Gas & Electric Company | US GAS=PHYSICAL | Y | 28 |  |  |  |  |  |  |  |  |  | 1 | 2 | 5 | 2 | 11 | 7
Southern Industrial Gas Corporation | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  | 1 |  |  | 1 |  | 1 |  | 1 | 2 |  | 1
Southern Natural Gas Company | US GAS=PHYSICAL | N | 13 |  |  |  |  |  | 2 |  |  |  |  | 1 | 3 | 2 |  | 5
Southern Natural Gas Pipeline | US GAS=PHYSICAL | N | 24 |  |  |  |  |  | 2 | 5 | 4 | 1 |  | 5 | 5 | 1 | 1
Southern Triangle Oil Company, Inc. | US GAS=PHYSICAL | N | 19 |  |  | 1 | 2 |  |  |  |  |  |  |  |  |  | 5 | 7 |  | 4
Southern Union Company | US GAS=PHYSICAL | N | 30 |  | 1 |  | 1 | 5 | 2 |  | 1 | 2 | 1 | 1 | 1 | 6 | 5 | 2 | 2
Southern Union Company | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Southern Union Gas Company | US GAS=PHYSICAL | N | 33 |  |  |  |  |  | 2 | 3 | 3 |  |  | 7 | 10 | 1 | 1 | 3 | 3
Southstar Energy Services LLC | US GAS=PHYSICAL | N | 15 |  | 3 | 4 | 1 |  | 1 | 1 |  | 1 | 1 | 1 |  |  |  |  | 2
Southwest Gas Corporation | CANADIAN GAS=PHYSICAL | N | 8 |  |  |  |  | 1 | 1 |  | 2 | 3 | 1
Southwest Gas Corporation | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Southwest Gas Corporation | US GAS=PHYSICAL | N | 336 | 2 | 16 | 21 | 22 | 21 | 7 | 9 | 12 | 12 | 33 | 8 | 22 | 47 | 31 | 37 | 32 | 4
Southwestern Electric Power Company | US GAS=PHYSICAL | N | 19 |  |  |  |  |  |  |  |  | 2 | 6 | 1 | 3 | 4 | 1 | 2
Southwestern Energy Company | US GAS=PHYSICAL | N | 18 |  | 4 | 6 |  |  |  | 7 |  | 1
Southwestern Energy Services Company | US GAS=PHYSICAL | Y | 2 |  |  |  |  | 1 | 1
Southwestern Public Service Company | US GAS=PHYSICAL | N | 70 |  | 1 | 1 | 2 | 12 | 7 | 8 | 3 | 11 | 9 | 1 | 2 |  | 6 | 4 | 1 | 2
Spinnaker Exploration Company, L.L.C. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Spinnaker Exploration Company, L.L.C. | US GAS=PHYSICAL | N | 243 |  | 18 | 17 | 6 | 19 | 22 | 17 | 17 | 16 | 19 | 29 | 21 | 15 | 3 | 6 | 15 | 3
Sport Pipeline Corp. | US GAS=PHYSICAL | N | 12 |  |  | 2 | 2 | 2 | 2 | 2 |  |  |  |  | 1 | 1
Sprague Energy Corp. | US GAS=PHYSICAL | N | 113 |  | 8 | 18 | 10 | 11 | 3 | 6 | 3 | 2 | 4 | 3 | 8 | 6 | 24 | 4 | 3
Sprague Energy Corp. | US GAS=PHYSICAL | Y | 602 |  |  |  |  | 1 |  |  | 1 |  | 104 | 100 | 32 | 40 | 78 | 79 | 163 | 4
St Lawrence Gas Company Inc. | CANADIAN GAS=PHYSICAL | N | 4 |  |  |  |  |  | 2 |  | 1 |  |  |  |  |  | 1
St. Mary Energy Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
St. Mary Land & Exploration Company | US GAS=PHYSICAL | N | 5 |  |  | 2 | 2 |  |  |  |  |  |  |  |  | 1
St. Mary's Production LLC | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 4
St. Mary's Production, LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Stalwart Energy Company | US GAS=PHYSICAL | N | 20 |  | 6 | 7 | 6 |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME] | US GAS=PHYSICAL | N | 1 |  |  | 1
Stand Energy Corp. | US GAS=PHYSICAL | N | 132 |  |  |  |  |  |  |  |  |  |  |  |  | 3 | 44 | 77 | 8
Stansberry, George | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Star Natural Gas Company | CANADIAN GAS=PHYSICAL | N | 2 |  | 1 |  | 1
Star Natural Gas Company | US GAS=PHYSICAL | N | 13 |  | 6 | 2 | 4 |  | 1
Star Oil & Gas Ltd. | CANADIAN GAS=PHYSICAL | Y | 3 | 1 | 1 | 1
Startech | CANADIAN GAS=PHYSICAL | N | 189 |  |  |  |  |  | 8 | 22 | 18 | 12 | 22 | 15 | 16 | 22 | 16 | 18 | 18 | 2
Startech | US GAS=PHYSICAL | N | 59 |  |  | 1 | 22 | 23 | 13
Startech Energy Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Startech Energy Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 1
State of Florida | US GAS=PHYSICAL | N | 124 |  | 4 | 6 | 2 | 3 | 5 | 6 | 43 |  | 1 | 2 | 1 |  | 44 | 4 | 3
Statoil Energy Trading, Inc. | CANADIAN GAS=PHYSICAL | N | 13 | 1 | 9 | 2 | 1
Statoil Energy Trading, Inc. | CANADIAN GAS=PHYSICAL | Y | 12 |  |  |  | 12
Statoil Energy Trading, Inc. | US GAS=PHYSICAL | N | 75 | 10 | 24 | 17 | 13 | 10 |  | 1
Statoil Energy Trading, Inc. | US GAS=PHYSICAL | Y | 12 |  | 3 | 3 |  | 6
Statoil Marketing & Trading (US) Inc. | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  | 3
Statoil Marketing & Trading (US) Inc. | US GAS=PHYSICAL | N | 3 |  |  | 3
Status Oil Wells, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
STB Energy, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Stellarton Energy Corporation | CANADIAN GAS=PHYSICAL | N | 3 |  |  | 1 |  |  |  | 1 |  |  | 1
Stewart Petroleum Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Stewart Petroleum Corporation | US GAS=PHYSICAL | N | 9 |  |  |  | 1 | 1 | 1 | 1 | 1 |  | 1 | 1 | 1 |  | 1
Stocker & Sitler Oil Company Inc | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Stocker & Sitler, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Stone Energy Corporation | US GAS=PHYSICAL | N | 49 |  |  | 1 | 2 | 3 | 2 | 5 | 5 | 5 | 3 | 3 | 4 |  | 6 | 4 | 4 | 2
Stone Energy Corporation | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Stone Petroleum Corporation, The | US GAS=PHYSICAL | N | 1 |  | 1
Stonebridge Operating | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Stoneville Aegean Limited | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | 5
Suburban Natural Gas Company Inc. | US GAS=PHYSICAL | N | 62 |  |  | 7 | 2 | 2 | 5 | 9 | 1 | 2 |  | 1 | 11 | 20 | 2
Suemaur Exploration & Production, LLC | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  | 2 |  |  |  |  | 1 |  |  | 1
Suemaur Exploration, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Sulphur River Exploration Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Sulphur River Gathering, L.P. | US GAS=PHYSICAL | N | 29 |  |  |  |  |  |  |  |  | 3 | 12 | 4 | 3 | 1 | 2 | 1 | 3
Summit Energy, LLC | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Summit Energy, LLC | US GAS=PHYSICAL | N | 45 |  | 1 |  |  | 4 | 4 | 5 | 4 | 4 | 4 | 4 | 2 | 2 | 2 | 3 | 5 | 1
Summit Energy, LLC | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Summit Natural Gas, LLP | US GAS=PHYSICAL | N | 32 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 | 27 | 1
Summit Natural Gas, LLP | US GAS=PHYSICAL | Y | 7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 | 1
Summit Resources Limited | CANADIAN GAS=PHYSICAL | N | 11 |  | 5 |  |  |  |  | 1 | 1 |  | 2 | 1 |  | 1
Summit Resources Limited | CANADIAN GAS=PHYSICAL | Y | 10 |  | 1 |  |  |  | 4 | 5
Summit Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Sun Oil Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 1 | 1
Suncor | CANADIAN GAS=PHYSICAL | N | 315 |  |  |  |  |  | 8 | 36 | 36 | 22 | 19 | 21 | 28 | 32 | 36 | 46 | 29 | 2
Suncor | US GAS=PHYSICAL | N | 48 |  | 11 | 23 | 4 | 6 | 3 |  |  |  |  |  | 1
Suncor | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Suncor - BC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Suncor Energy Inc. | CANADIAN GAS=PHYSICAL | N | 14 |  |  |  | 1 |  | 1 |  |  |  |  | 12
Suncor Energy Inc. | CANADIAN GAS=PHYSICAL | Y | 16 | 1 | 4 | 4 | 7
Suncor Energy Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  | 3
Suncor Energy Marketing Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  | 3
Sunoco IES | CANADIAN GAS=PHYSICAL | N | 119 |  |  |  |  |  | 3 | 14 | 12 | 12 | 9 | 9 | 6 | 30 | 11 | 9 | 4
Sunoco IES | US GAS=PHYSICAL | N | 30 |  | 5 | 8 | 8 | 6 | 3
Sunoco Inc. | CANADIAN GAS=PHYSICAL | N | 18 |  |  |  | 2 | 5 |  |  | 4 | 2 | 1 |  | 1 |  | 1 |  | 2
Sunoco Inc. | US GAS=PHYSICAL | N | 10 |  |  | 2 |  |  |  |  |  |  |  |  | 3 |  | 1 | 4
Sunoco, Inc. (R&M) | US GAS=PHYSICAL | N | 9 |  | 2 |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  | 5
Superior Natural Gas Corporation | CANADIAN GAS=PHYSICAL | N | 3 |  | 1 | 1 |  | 1
Superior Natural Gas Corporation | US GAS=PHYSICAL | N | 175 |  | 9 | 22 | 10 | 13 | 10 | 9 | 9 | 9 | 18 | 14 | 11 | 12 | 14 | 7 | 5 | 3
Superior Natural Gas Corporation | US GAS=PHYSICAL | Y | 23 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 3 | 12 | 7
Superior Water, Light and Power Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Swift Energy Company | US GAS=PHYSICAL | N | 51 |  | 2 | 1 | 3 | 1 | 3 | 2 | 11 | 3 | 4 | 5 | 3 | 3 | 2 | 5 | 2 | 1
Swift Energy Company | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Synergia Trading S.A. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Synergy Oil & Gas, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Synergy Oil & Gas, Inc. | US GAS=PHYSICAL | N | 19 |  |  |  | 4 | 4 |  |  | 1 |  |  |  |  | 1 | 1 | 6 |  | 2
T.C. Enterprises | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Talisman Energy Inc. | CANADIAN GAS=PHYSICAL | N | 130 | 4 | 33 | 26 | 4 | 6 | 3 | 1 | 4 |  | 4 | 3 | 1 | 8 | 12 | 15 | 5 | 1
Talisman Energy Inc. | CANADIAN GAS=PHYSICAL | Y | 102 |  |  |  |  |  |  |  |  |  |  |  | 3 | 13 | 5 | 43 | 37 | 1
Talisman Energy Inc. | US GAS=PHYSICAL | N | 6 |  |  |  | 5 |  | 1
Tampa Electric Company | US GAS=PHYSICAL | N | 7 |  |  |  |  |  | 1 | 5 |  |  |  | 1
Tana Oil & Gas Corporation | US GAS=PHYSICAL | N | 6 |  | 4 | 2
Tauber Oil Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  | 2
TBG Cogen Partners | US GAS=PHYSICAL | N | 23 |  | 3 | 4 | 6 | 2 | 6 |  |  |  |  |  |  |  | 2
TDC Energy Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
TDC Energy Corporation | US GAS=PHYSICAL | N | 121 |  | 7 | 7 | 9 | 12 | 12 | 11 | 12 | 7 | 6 | 6 | 4 | 7 | 8 | 10 | 3
TDC Energy Corporation | US GAS=PHYSICAL | Y | 5 |  |  |  |  |  |  |  |  |  |  |  | 5
Teco Gas Processing Company | US GAS=PHYSICAL | N | 8 |  | 2 |  |  |  |  |  | 2 |  |  |  |  |  | 1 | 2 |  | 1
TECO Gas Services, Inc. | US GAS=PHYSICAL | N | 27 |  |  |  |  |  |  |  | 1 |  |  |  |  | 2 | 5 | 1 | 16 | 2
Tejas Gas Marketing, LLC | US GAS=PHYSICAL | N | 33 |  |  | 3 | 2 | 8 | 5 | 5 | 1 | 1 |  |  | 1 | 1 |  | 3 | 3
Tejas Gas Pipeline, L.P. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 |  |  |  |  |  |  | 2
Tejones Operating Corporation | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 2 |  | 1
Tema Oil & Gas Company | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 2
Temple-Inland Forest Products Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Tenaska Gas Company | CANADIAN GAS=PHYSICAL | N | 5 |  | 2 |  |  | 1 |  |  |  | 1 | 1
Tenaska Gas Company | US GAS=PHYSICAL | N | 31 |  |  |  |  | 1 |  | 2 | 1 |  | 4 |  |  | 3 | 15 | 5
Tenaska Marketing Canada, a division of TMV Corp. | CANADIAN GAS=PHYSICAL | N | 18 |  | 5 | 1 | 2 | 1 |  | 2 |  | 1 | 1 |  | 2 | 2 |  | 1
Tenaska Marketing Canada, a division of TMV Corp. | CANADIAN GAS=PHYSICAL | Y | 744 |  | 14 | 51 | 16 | 7 | 21 | 83 | 134 | 78 | 36 | 10 | 24 | 23 | 49 | 164 | 33 | 1
Tenaska Marketing Canada, a division of TMV Corp. | US GAS=PHYSICAL | N | 8 |  |  |  | 1 |  | 1 | 1 | 1 | 1 |  | 2 | 1
Tenaska Marketing Canada, a division of TMV Corp. | US GAS=PHYSICAL | Y | 141 |  |  |  |  |  |  | 1 |  | 5 | 19 | 4 | 2 | 21 | 35 | 35 | 14 | 5
Tenaska Marketing Ventures | CANADIAN GAS=PHYSICAL | N | 5 |  |  |  |  |  |  | 3 |  | 1 |  |  | 1
Tenaska Marketing Ventures | CANADIAN GAS=PHYSICAL | Y | 8 |  |  |  |  |  |  |  |  |  |  |  | 4 |  |  | 4
Tenaska Marketing Ventures | US GAS=PHYSICAL | N | 380 | 1 | 29 | 32 | 39 | 21 | 18 | 27 | 18 | 14 | 14 | 18 | 50 | 32 | 17 | 27 | 23
Tenaska Marketing Ventures | US GAS=PHYSICAL | Y | 5862 |  | 16 | 66 | 131 | 256 | 181 | 244 | 473 | 431 | 533 | 525 | 536 | 508 | 435 | 522 | 844 | 161
Tenaska, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Tennessee Energy Acquisition Corporation | US GAS=PHYSICAL | N | 4 |  |  | 2 |  |  |  |  |  |  |  | 2
Tennessee Gas Pipeline Co. | US GAS=PHYSICAL | N | 33 |  |  |  |  | 1 |  |  | 1 | 2 | 3 | 2 | 11 | 3 | 5 | 5
Tennessee Valley Authority | US GAS=PHYSICAL | N | 17 |  |  | 3 |  |  |  | 3 | 3 | 4 | 2 | 1 |  | 1
Tepee Petroleum Company | US GAS=PHYSICAL | N | 4 |  | 2 |  |  |  |  |  |  |  |  |  |  | 2
Termitex S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Terra Industries Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Terra International, Inc. | US GAS=PHYSICAL | N | 5 | 1 |  |  |  | 1 |  |  | 1 | 1 |  | 1
Terra Nitrogen Corporation | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Terra Nitrogen, Limited Partnership | US GAS=PHYSICAL | N | 6 |  |  |  |  | 1 |  |  |  |  |  |  | 1 |  |  | 1 | 3
Tesoro E & P Company, L.P. | US GAS=PHYSICAL | N | 2 |  | 2
Texaco Canada Petroleum  Inc. | CANADIAN GAS=PHYSICAL | N | 11 |  |  |  |  |  |  |  |  | 7 |  | 1 | 1 |  | 1 |  | 1
Texaco Canada Petroleum  Inc. | CANADIAN GAS=PHYSICAL | Y | 898 |  |  |  |  |  |  |  |  | 101 | 44 | 200 | 188 | 170 | 23 | 90 | 72 | 10
Texaco Canada Petroleum  Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Texaco Canada Petroleum  Inc. | US GAS=PHYSICAL | Y | 14 |  |  |  |  |  |  |  |  |  |  |  | 7 |  |  | 1 | 6
Texaco Energy Marketing L.P. | US GAS=PHYSICAL | N | 71 |  |  |  | 4 | 3 | 2 |  |  | 3 | 11 | 15 | 9 | 5 | 3 | 12 | 4
Texaco Exploration and Production, Inc. | US GAS=PHYSICAL | N | 6 |  |  |  |  | 1 | 1 |  |  |  |  | 1 | 2 | 1
Texaco Group, Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Texaco Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Texaco Inc. | US GAS=PHYSICAL | N | 21 |  |  |  |  |  |  |  |  | 3 |  |  |  | 2 | 16
Texaco Natural Gas Inc. | CANADIAN GAS=PHYSICAL | N | 14 |  |  |  |  | 4 |  | 2 | 1 | 1 | 1 |  | 4 |  | 1
Texaco Natural Gas Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Texaco Natural Gas Inc. | US GAS=PHYSICAL | N | 962 | 5 | 47 | 93 | 102 | 69 | 68 | 73 | 66 | 45 | 42 | 33 | 78 | 76 | 62 | 77 | 23 | 3
Texaco Natural Gas Inc. | US GAS=PHYSICAL | Y | 7628 |  |  | 31 | 57 | 127 | 305 | 386 | 740 | 574 | 638 | 599 | 572 | 948 | 803 | 852 | 898 | 98
Texakota Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Texas Energy Transfer Company, Ltd. | US GAS=PHYSICAL | N | 316 | 1 | 6 | 4 | 6 | 6 | 16 | 9 | 28 | 9 | 29 | 21 | 32 | 43 | 32 | 32 | 40 | 2
Texas Energy Transfer Company, Ltd. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Texas General Land Office | US GAS=PHYSICAL | N | 12 |  |  | 1 |  |  |  |  |  |  |  | 2 |  | 2 | 2 | 3 | 2
Texas Independent Energy, LP | US GAS=PHYSICAL | N | 4 |  |  |  |  | 2 |  |  |  |  |  |  | 2
Texas Industries Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Texas NOM Limited Partnership | US GAS=PHYSICAL | N | 5 |  |  |  |  |  | 1 | 2 | 1 | 1
Texas Petrochemicals LP | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Texex Energy Partners Ltd. | US GAS=PHYSICAL | N | 210 |  | 11 | 22 | 19 | 11 | 7 | 14 | 30 | 18 | 5 | 6 | 15 | 16 | 21 | 12 | 2 | 1
Texex Energy Partners Ltd. | US GAS=PHYSICAL | Y | 358 |  | 1 |  |  | 7 | 6 | 1 | 11 | 5 | 20 | 54 | 84 | 54 | 55 | 31 | 24 | 5
Texican Natural Gas Company | CANADIAN GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
Texican Natural Gas Company | US GAS=PHYSICAL | N | 249 |  | 3 | 34 | 25 | 30 | 10 | 19 | 15 | 20 | 13 | 11 | 17 | 14 | 13 | 15 | 10
Texla Energy Management Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Texla Energy Management Inc. | US GAS=PHYSICAL | N | 216 | 1 | 16 | 35 | 15 | 13 | 28 | 11 | 9 | 3 | 1 | 15 | 8 | 20 | 12 | 14 | 13 | 2
Texla Energy Management Inc. | US GAS=PHYSICAL | Y | 2781 |  |  |  | 27 | 125 | 121 | 82 | 241 | 221 | 244 | 116 | 214 | 393 | 208 | 357 | 379 | 53
Texlan Oil Company, LC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
The Chase Manhattan Bank | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  | 3
The Chase Manhattan Bank | US GAS=PHYSICAL | N | 41 | 1 |  | 7 | 4 | 2 | 1 | 9 | 6 | 2 | 5 | 1 | 2 | 1
The Chase Manhattan Bank | US GAS=PHYSICAL | Y | 14 |  |  |  |  |  | 2 |  |  |  |  | 6 |  |  | 4 |  | 2
The Cincinnati Gas & Electric Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
The Cincinnati Gas & Electric Company | US GAS=PHYSICAL | N | 22 |  |  | 1 | 4 |  | 3 |  |  |  | 1 | 1 | 9 |  | 3
The Energy Group Plc | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
The Estate of [NAME] | US GAS=PHYSICAL | N | 15 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
The Houston Exploration Company | US GAS=PHYSICAL | N | 21 |  |  | 1 | 1 |  | 4 |  |  |  |  | 1 | 1 | 5 | 4 | 2 | 1 | 1
The McIntosh Partnerships | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
The McIntosh Partnerships | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
The Meridian Resource & Exploration Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2
The New Power Company | US GAS=PHYSICAL | N | 302 |  |  |  |  |  |  |  |  |  | 19 | 20 | 25 | 54 | 66 | 63 | 48 | 7
The New Power Company | US GAS=PHYSICAL | Y | 6 |  |  |  |  |  |  |  |  |  |  |  | 6
The Offenberger Group | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
The Oxford Oil Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
The Oxford Oil Company | US GAS=PHYSICAL | N | 27 |  |  |  | 1 | 3 | 3 | 2 | 2 | 1 |  | 3 | 2 | 5 | 3 |  | 2
The Peoples Gas Light & Coke Company | CANADIAN GAS=PHYSICAL | N | 88 |  |  | 1 | 14 | 13 | 2 |  |  |  |  |  | 58
The Peoples Gas Light & Coke Company | CANADIAN GAS=PHYSICAL | Y | 121 |  |  |  |  |  |  |  |  |  |  |  | 121
The Peoples Gas Light & Coke Company | US GAS=PHYSICAL | N | 1805 |  | 7 | 12 | 17 | 83 | 30 | 37 | 23 | 132 | 81 | 120 | 397 | 210 | 222 | 241 | 175 | 18
The Peoples Gas Light & Coke Company | US GAS=PHYSICAL | Y | 1086 |  |  |  |  |  |  |  |  |  |  |  | 1086
The Peoples Natural Gas Company | US GAS=PHYSICAL | N | 3 |  |  |  |  | 1 | 2
The Premcor Refining Group, Inc. | US GAS=PHYSICAL | N | 9 |  |  | 3 | 5 |  |  |  |  |  |  |  |  | 1
Thermo Cogeneration Partnership LP | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Thermo Cogeneration Partnership LP | US GAS=PHYSICAL | N | 32 |  | 4 |  |  | 2 | 2 | 1 |  | 1 |  | 8 | 4 | 1 | 2 | 1 | 6
Thermo Gas Marketing, Inc. | US GAS=PHYSICAL | N | 3 |  | 1 | 1 | 1
[NAME] | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME] | US GAS=PHYSICAL | N | 7 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
[NAME], L.P. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  | 1
Tiger Natural Gas Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Tiger Natural Gas Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Tiger Natural Gas Inc. | US GAS=PHYSICAL | N | 246 |  |  | 2 |  |  |  | 5 | 1 | 15 | 6 | 16 | 27 | 47 | 61 | 37 | 27 | 2
Tiger Natural Gas Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Tilton Oil & Gas | US GAS=PHYSICAL | N | 7 |  |  |  |  | 2 |  |  |  |  |  |  | 1 | 1 | 1 | 1 |  | 1
Titan Petroleum, Inc. | US GAS=PHYSICAL | N | 5 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 4
Titan Resources I, Inc. | US GAS=PHYSICAL | N | 12 |  | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |  |  |  |  | 1 | 2 |  | 1
Tiverton Petroleums Ltd. | CANADIAN GAS=PHYSICAL | N | 84 |  |  |  |  |  |  |  |  |  | 6 | 16 | 19 | 22 | 18 | 3
Tiverton Petroleums Ltd. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Tiverton Power Associates Limited Partnership | US GAS=PHYSICAL | N | 8 |  |  |  |  |  | 3 |  |  |  | 2 | 1 |  | 2
Tolar Corporation | US GAS=PHYSICAL | N | 10 |  |  |  |  |  |  | 2 | 1 | 1 |  | 2 | 1 |  | 1 | 1 | 1
Torch Energy Marketing Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
Torch Energy Marketing Inc. | US GAS=PHYSICAL | N | 153 |  | 8 | 12 | 14 | 1 | 10 | 8 | 18 | 17 | 11 | 6 |  | 4 | 16 | 19 | 9
Torch Energy Marketing Inc. | US GAS=PHYSICAL | Y | 33 |  |  |  |  |  |  |  |  |  |  |  | 3 | 2 | 13 | 13 | 2
Torch Energy TM, Inc. | US GAS=PHYSICAL | N | 50 |  |  |  |  |  |  |  | 1 | 1 | 9 | 2 | 1 |  | 1 | 2 | 28 | 5
Torch Energy TM, Inc. | US GAS=PHYSICAL | Y | 269 |  |  |  |  |  |  |  |  |  | 44 | 42 | 34 | 86 | 27 | 16 | 16 | 4
Torch-CoEnergy L.L.C. | CANADIAN GAS=PHYSICAL | N | 6 |  | 2 |  | 1 | 3
Torch-CoEnergy L.L.C. | US GAS=PHYSICAL | N | 58 | 1 | 8 | 7 | 25 | 11 | 1 |  |  |  | 4 | 1
Torch-CoEnergy L.L.C. | US GAS=PHYSICAL | Y | 465 | 1 | 51 | 17 | 51 | 119 | 69 | 26 | 49 | 73 | 9
Torch-Rally Partners, L.P. | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  |  |  |  |  |  |  |  | 1
Tosco Refining Company | US GAS=PHYSICAL | N | 4 |  | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 2
Total Fina Elf Gas and Power Limited | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1
TotalFinaElf Gas & Power North America, Inc. | US GAS=PHYSICAL | N | 62 |  |  |  |  |  |  |  |  |  |  |  | 14 | 8 | 7 | 16 | 15 | 2
TotalFinaElf Gas & Power North America, Inc. | US GAS=PHYSICAL | Y | 175 |  |  |  |  |  |  |  |  |  |  |  | 21 | 26 | 37 | 41 | 47 | 3
Town of Centerville | US GAS=PHYSICAL | N | 4 |  | 3 | 1
Town of Walnut | US GAS=PHYSICAL | N | 2 |  | 2
Tractebel Energy Marketing, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Tractebel Energy Marketing, Inc. | US GAS=PHYSICAL | N | 119 | 1 | 13 | 12 | 6 | 15 | 21 | 8 | 1 | 1 | 2 | 4 | 5 | 3 | 2 | 13 | 12
Tractebel Energy Marketing, Inc. | US GAS=PHYSICAL | Y | 1124 |  |  |  | 5 | 12 | 60 | 111 | 64 | 58 | 103 | 94 | 134 | 111 | 94 | 147 | 125 | 6
Trailblazer Pipeline Company | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  | 4 |  |  | 4
TransAlta Energy Corporation | CANADIAN GAS=PHYSICAL | N | 1 | 1
TransAlta Energy Marketing Corp. | CANADIAN GAS=PHYSICAL | N | 5 |  | 2 |  |  |  |  |  |  |  |  |  | 3
TransAlta Energy Marketing Corp. | CANADIAN GAS=PHYSICAL | Y | 482 |  | 21 | 9 | 38 | 6 | 4 | 46 | 59 | 38 | 135 | 44 | 25 | 18 | 3 | 14 | 21 | 1
TransAlta Energy Marketing Corp. | US GAS=PHYSICAL | N | 4 |  | 1 | 2 | 1
TransAlta Energy Marketing Corp. | US GAS=PHYSICAL | Y | 13 |  | 1 | 3 | 1 | 2 |  | 3 |  |  |  | 2 | 1
TransCanada Energy Financial Products Limited | CANADIAN GAS=PHYSICAL | N | 10 |  |  | 2 |  |  |  |  | 1 |  |  |  |  | 1 |  | 6
TransCanada Energy Financial Products Limited | CANADIAN GAS=PHYSICAL | Y | 1 |  |  | 1
TransCanada Energy Financial Products Limited | US GAS=PHYSICAL | N | 13 |  |  | 2 | 2 |  |  |  | 5 |  |  | 2 | 1 |  |  | 1
TransCanada Energy Financial Products Limited | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  | 1 |  | 1
TransCanada Energy Ltd. | US GAS=PHYSICAL | N | 69 |  | 1 | 13 | 4 | 16 | 4 | 15 | 12 | 2 | 1 | 1
TransCanada Energy Marketing USA, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
TransCanada Energy Marketing USA, Inc. | CANADIAN GAS=PHYSICAL | Y | 3 |  |  | 2 |  |  | 1
TransCanada Energy Marketing USA, Inc. | US GAS=PHYSICAL | N | 345 | 3 | 26 | 33 | 26 | 22 | 7 | 58 | 49 | 14 | 6 | 19 | 20 | 32 | 20 | 6 | 4
TransCanada Energy Marketing USA, Inc. | US GAS=PHYSICAL | Y | 6153 |  |  |  |  |  |  | 330 | 496 | 297 | 673 | 413 | 605 | 532 | 444 | 811 | 1311 | 241
TransCanada Gas Services Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
TransCanada Gas Services Inc. | CANADIAN GAS=PHYSICAL | Y | 6 |  |  |  |  | 6
TransCanada Gas Services Inc. | US GAS=PHYSICAL | N | 67 | 5 | 27 | 9 | 6 | 2 | 2 | 2 |  | 1 |  | 4 | 2 | 2 | 5
TransCanada Gas Services Inc. | US GAS=PHYSICAL | Y | 13 |  |  |  |  | 10 | 2 |  |  |  | 1
TransCanada Gas Services, a division of TransCanada Energy Ltd. | CANADIAN GAS=PHYSICAL | N | 120 | 2 | 19 | 16 | 13 | 7 | 4 | 5 | 11 | 5 | 6 | 5 | 9 | 5 | 1 | 6 | 6
TransCanada Gas Services, a division of TransCanada Energy Ltd. | CANADIAN GAS=PHYSICAL | Y | 673 |  | 23 | 76 | 150 | 57 | 18 | 27 | 31 | 28 | 29 | 30 | 39 | 37 | 25 | 63 | 37 | 3
TransCanada Gas Services, a division of TransCanada Energy Ltd. | US GAS=PHYSICAL | N | 91 | 3 | 13 | 9 | 12 | 10 | 9 | 2 | 4 | 5 | 3 | 1 | 6 | 2 | 3 | 6 | 3
TransCanada Gas Services, a division of TransCanada Energy Ltd. | US GAS=PHYSICAL | Y | 364 |  |  |  | 6 | 25 | 6 | 9 | 11 | 6 | 4 | 1 | 4 | 28 | 96 | 62 | 88 | 18
TransCanada Pipelines Co. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  | 3 | 2
TransCanada Pipelines Limited | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 1 | 1
TransCanada Pipelines Limited | US GAS=PHYSICAL | N | 23 |  | 4 |  |  |  |  |  |  | 12 |  |  |  | 1 |  | 6
Transco Energy Marketing Co. | US GAS=PHYSICAL | N | 2 |  |  | 2
Transcontinental Gas Pipe Line Corporation | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  | 1 |  |  | 2 | 2 |  | 1
Transport Gas Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Transport Gas Corporation | US GAS=PHYSICAL | N | 8 |  |  |  |  | 2 | 1 | 1 | 1 |  |  |  |  | 1 | 1 | 1
Transport Gas Corporation | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
TransTexas Gas Corporation | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 1
Transworld Exploration & Production, Inc. | US GAS=PHYSICAL | N | 12 |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 2 | 4 | 4
Tres Palacios Corporation | US GAS=PHYSICAL | N | 5 |  | 1 | 2 | 1 |  |  |  |  |  |  | 1
Tri Star Marketing, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  | 1 |  |  |  |  | 1 | 1
Triad Energy Corp. Of WVa., Inc. | US GAS=PHYSICAL | N | 19 |  |  |  | 1 | 2 |  |  |  |  |  |  |  |  | 5 | 7 |  | 4
Triad Energy Corporation | US GAS=PHYSICAL | N | 6 |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 2 |  | 1
Triad Energy Inc. | US GAS=PHYSICAL | N | 6 |  |  |  | 4 | 2
Triad Energy Resources Corporation | US GAS=PHYSICAL | N | 74 |  | 6 | 6 | 11 | 38 | 9 | 4
Trio Petroleum Corp. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
TriQuest Energy Corp. | CANADIAN GAS=PHYSICAL | N | 20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 18 | 2
Tristar Gas Company, L.P. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 1 |  |  |  | 1
Tristar Gas Company, L.P. | US GAS=PHYSICAL | N | 33 |  |  |  |  | 2 | 2 | 2 | 2 |  |  | 2 | 2 | 4 | 2 | 3 | 10 | 2
Tristar Gas Company, L.P. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Tristar Gas Marketing Company | CANADIAN GAS=PHYSICAL | N | 10 |  |  |  |  | 5 |  | 4 | 1
Tristar Gas Marketing Company | US GAS=PHYSICAL | N | 305 |  | 15 | 22 | 5 | 15 | 24 | 12 | 8 | 4 | 15 | 23 | 27 | 20 | 18 | 63 | 33 | 1
Tristar Gas Marketing Company | US GAS=PHYSICAL | Y | 15 |  |  |  |  | 2 | 1 | 11 | 1
Tri-Union Development Corporation | US GAS=PHYSICAL | N | 19 |  |  | 5 |  |  |  |  |  | 4 | 3 | 1 | 2 | 1 | 1 | 1 | 1
Trunkline Gas Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Tucker Petroleum, Inc. | US GAS=PHYSICAL | N | 5 |  | 1 |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Tug Fork Development | US GAS=PHYSICAL | N | 11 |  |  |  |  |  |  |  | 1 |  | 1 | 1 | 2 | 3 | 1 | 1 |  | 1
Twinoaks Oil & Gas Company | US GAS=PHYSICAL | N | 6 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 1 | 1 |  | 1
Twister Gas Services, LLC | CANADIAN GAS=PHYSICAL | N | 2 |  | 2
Twister Gas Services, LLC | US GAS=PHYSICAL | N | 101 | 1 |  | 2 | 9 | 7 | 11 | 4 | 5 | 19 | 6 | 8 | 3 | 4 | 3 | 10 | 9
Twister Gas Services, LLC | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  | 2
TXU Electric & Gas | US GAS=PHYSICAL | N | 2 |  | 2
TXU Energy Trading Canada Limited | CANADIAN GAS=PHYSICAL | N | 95 |  | 1 |  |  | 1 | 9 | 27 | 5 | 11 | 11 | 19 | 9 | 1 |  |  | 1
TXU Energy Trading Canada Limited | CANADIAN GAS=PHYSICAL | Y | 442 |  |  |  |  | 14 | 44 | 93 | 53 | 57 | 55 | 40 | 28 | 49 | 7 | 1 | 1
TXU Energy Trading Canada Limited | US GAS=PHYSICAL | N | 119 |  | 1 | 8 | 14 | 19 | 24 | 14 | 16 | 4 | 3 | 6 | 4 |  | 4 | 1 |  | 1
TXU Energy Trading Canada Limited | US GAS=PHYSICAL | Y | 413 |  |  |  | 11 | 53 | 24 | 50 | 39 | 37 | 60 | 91 | 12 | 34 | 1 |  | 1
TXU Energy Trading Company | CANADIAN GAS=PHYSICAL | N | 39 |  | 8 | 3 |  | 12 |  | 5 |  | 9 |  | 1 |  |  |  |  | 1
TXU Energy Trading Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  | 1
TXU Energy Trading Company | US GAS=PHYSICAL | N | 597 | 18 | 59 | 61 | 57 | 65 | 43 | 37 | 30 | 27 | 32 | 22 | 42 | 39 | 15 | 24 | 24 | 2
TXU Energy Trading Company | US GAS=PHYSICAL | Y | 2912 |  | 5 | 6 | 72 | 200 | 161 | 231 | 304 | 220 | 184 | 171 | 112 | 324 | 194 | 225 | 452 | 51
TXU Fuel Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
TXU Fuel Company | US GAS=PHYSICAL | N | 244 |  |  | 1 | 4 | 15 | 22 | 25 | 19 | 45 | 38 | 13 | 17 | 24 | 11 | 5 | 5
TXU Gas Distribution | US GAS=PHYSICAL | N | 106 | 1 |  | 8 | 9 | 22 | 10 | 1 |  |  |  |  |  | 12 | 11 | 23 | 7 | 2
TXU Lone Star Pipeline | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
TXU Lone Star Pipeline | US GAS=PHYSICAL | N | 21 |  |  |  |  |  |  |  | 4 | 5 | 2 | 2 | 8
TXU Trading | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
U.S. Gas Transportation, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  | 1 |  | 1
U.S. Gas Transportation, Inc. | US GAS=PHYSICAL | N | 324 | 1 | 32 | 40 | 61 | 64 | 79 | 32 | 15
U.S. Gas Transportation, Inc. | US GAS=PHYSICAL | Y | 897 |  |  | 112 | 255 | 323 | 207
UGI Corporation | US GAS=PHYSICAL | N | 2 |  |  | 2
UGI Utilities Inc. | US GAS=PHYSICAL | N | 95 |  |  | 4 | 20 | 40 | 14 |  | 1 | 1 |  | 1 |  | 2 | 6 |  | 6
[NAME] | CANADIAN GAS=PHYSICAL | N | 13 |  | 3 | 3 |  |  |  | 6 | 1
[NAME] | CANADIAN GAS=PHYSICAL | Y | 101 |  | 5 | 21 | 21 | 25 | 11 | 18
Unicom Energy Inc. | US GAS=PHYSICAL | N | 13 |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  | 1 | 7 | 3
Unicom Energy Inc. | US GAS=PHYSICAL | Y | 24 |  |  |  |  |  |  |  |  |  | 4 |  | 2 | 4 | 7 | 7
Unigas, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
Unimar Company | US GAS=PHYSICAL | N | 1 |  | 1
Unimark LLC | US GAS=PHYSICAL | N | 132 |  | 1 | 6 | 8 | 6 | 4 | 6 | 5 | 7 | 5 | 7 | 10 | 19 | 11 | 10 | 27
Union Carbide Corporation | US GAS=PHYSICAL | N | 20 |  | 4 | 2 | 1 | 2 |  |  |  | 1 | 1 | 1 |  | 1 | 5 | 1 | 1
Union Carbide Corporation | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Union Gas Corp | US GAS=PHYSICAL | N | 7 |  |  |  | 2 | 2 |  |  |  |  |  |  |  |  | 3
Union Gas Limited | CANADIAN GAS=PHYSICAL | N | 10 |  | 1 | 1 | 1 |  |  | 2 | 1 | 1 |  |  | 1 | 1 | 1
Union Gas Limited | US GAS=PHYSICAL | N | 96 |  | 3 | 4 | 3 | 7 | 1 | 8 | 9 | 7 | 2 | 2 | 7 | 20 | 6 | 11 | 6
Union Gas Operating Company | US GAS=PHYSICAL | N | 7 |  |  |  | 3 |  |  |  |  |  |  |  |  | 4
Union Gas Services Ltd., An Affiliate of Union Gas Limited | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Union Light, Heat & Power Company , The | US GAS=PHYSICAL | N | 17 |  |  |  | 4 |  | 3 |  |  |  | 1 | 1 | 5 |  | 3
Union Oil Company Of California | CANADIAN GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1
Union Oil Company Of California | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  | 1 |  |  | 1
Union Pacific Resources Company | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Union, City Of | US GAS=PHYSICAL | N | 9 |  |  |  |  |  | 2 | 1 | 1 |  |  |  | 2 |  | 2 | 1
Unit Gas Transmission Company Inc. | US GAS=PHYSICAL | N | 6 |  | 2 | 2 | 2
Unit Petroleum Company | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  | 1 | 1 | 1 | 2 | 1
United Cities Gas Company, a Division of Atmos Energy Corporation | US GAS=PHYSICAL | N | 29 |  | 2 | 3 |  |  |  |  |  |  |  |  |  |  |  | 22 | 2
United Oil & Minerals, Inc. | US GAS=PHYSICAL | N | 6 |  | 2 |  |  |  |  |  |  |  | 1 | 2 | 1
United Technologies Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 | 1
Unocal Canada Limited | CANADIAN GAS=PHYSICAL | N | 68 |  | 3 | 4 |  | 17 | 5 | 12 | 5 |  |  | 4 | 2 | 5 | 4 | 4 | 3
Unocal Canada Limited | CANADIAN GAS=PHYSICAL | Y | 66 |  |  |  | 1 | 1 |  |  | 5 | 15 | 3 |  |  | 1 | 2 | 22 | 13 | 3
Unocal Canada Limited | US GAS=PHYSICAL | N | 2 |  |  |  | 1 |  | 1
Unocal Energy Trading, Inc. | CANADIAN GAS=PHYSICAL | N | 4 |  |  | 1 | 2 |  |  | 1
Unocal Energy Trading, Inc. | US GAS=PHYSICAL | N | 247 | 4 | 17 | 29 | 35 | 52 | 31 | 21 | 8 | 3 | 8 | 7 | 15 | 4 | 6 | 4 | 3
Unocal Energy Trading, Inc. | US GAS=PHYSICAL | Y | 1008 |  |  |  |  |  |  |  | 17 | 86 | 81 | 110 | 118 | 169 | 167 | 104 | 142 | 14
UPR Energy Marketing, Inc. | US GAS=PHYSICAL | N | 25 |  | 1 | 12 | 12
UPR Energy Services Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Upstream Energy Services Co | US GAS=PHYSICAL | N | 20 |  | 1 | 1 | 2 |  |  |  |  | 1 | 2 |  | 1 | 3 | 2 | 7
Upstream Energy Services Co | US GAS=PHYSICAL | Y | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 5
Upstream Energy Services Company | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2
Upstream Energy Services Company | US GAS=PHYSICAL | Y | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
US Steel | CANADIAN GAS=PHYSICAL | N | 1 |  | 1
US Steel | US GAS=PHYSICAL | N | 2 |  |  |  |  | 1 |  |  | 1
US Steel Group, a unit of USX Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
USGT Resources, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 2
USGT/Aquila, L.P. | CANADIAN GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  | 2 |  |  | 2
USGT/Aquila, L.P. | CANADIAN GAS=PHYSICAL | Y | 7 |  |  |  |  |  |  | 2 |  |  |  |  | 5
USGT/Aquila, L.P. | US GAS=PHYSICAL | N | 234 |  |  |  |  |  | 1 | 21 | 22 | 19 | 20 | 15 | 28 | 30 | 22 | 27 | 27 | 2
USGT/Aquila, L.P. | US GAS=PHYSICAL | Y | 3359 |  |  |  |  |  | 61 | 387 | 314 | 149 | 201 | 387 | 402 | 205 | 272 | 417 | 521 | 43
Utilicorp United Inc. | CANADIAN GAS=PHYSICAL | N | 5 |  |  | 2 |  |  |  | 1 | 1 |  | 1
Utilicorp United Inc. | US GAS=PHYSICAL | N | 86 |  | 5 | 1 | 1 | 5 | 4 | 15 | 8 |  | 1 | 10 |  | 9 | 20 | 2 | 5
Utilicorp United Inc. | US GAS=PHYSICAL | Y | 328 | 4 | 19 | 16 | 12 | 50 | 29 | 34 | 52 | 20 | 37 | 23 | 11 |  | 5 | 5 | 9 | 2
Utilities Board of the City Of Trussville | US GAS=PHYSICAL | N | 36 |  |  |  |  |  | 2 | 1 | 4 | 2 | 5 | 10 | 3 |  | 8 | 1
Utility Management Corporation | US GAS=PHYSICAL | N | 1 |  |  | 1
V J I Natural Resources | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Valence Operating Company | US GAS=PHYSICAL | N | 19 |  |  |  |  |  |  |  |  |  |  | 2 | 2 | 3 | 3 | 6 |  | 3
Valero Marketing and Supply Company | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  |  |  |  | 3 | 3 |  |  | 1
Valley Gas Company | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  | 5 |  | 1
Vastar Resources, Inc. | US GAS=PHYSICAL | N | 22 |  | 3 | 1 | 3 | 1 | 2 | 2 | 1 | 1 | 1 |  |  | 1 | 2 | 2 | 1 | 1
Vastar Resources, Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Vector Energy Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Velsicol Chemical Corporation | US GAS=PHYSICAL | N | 4 |  |  | 1 | 3
Venoco, Inc. | US GAS=PHYSICAL | N | 56 |  |  |  |  |  |  |  |  |  |  |  |  |  | 6 | 42 | 4 | 4
Vermilion Resources Ltd. | CANADIAN GAS=PHYSICAL | N | 6 |  |  |  | 3 | 2 |  | 1
Vermont Gas Systems Incorporated | US GAS=PHYSICAL | N | 10 |  | 5 | 2 | 3
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
[NAME], Inc. | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  |  |  | 6
Victor & Dewey Waters | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Victoria Operating, Inc. | US GAS=PHYSICAL | N | 3 |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 2
[NAME], S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Vidriera Los Reyes, S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Vidriera Mexico, S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], S.A.de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Vidrio Plano de Mexico, S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Viking Energy Corporation | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
Viking Energy Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  |  | 1 | 2
Viking Gas Transmission Company | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
Viking Gas Transmission Company | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Viking Resources, Corp. | US GAS=PHYSICAL | N | 11 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 3 | 4 |  | 3
Villers, Donnolly Individual | US GAS=PHYSICAL | N | 6 |  |  |  | 1 | 1 |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Vineyard Oil & Gas Company | US GAS=PHYSICAL | N | 6 |  |  | 2 |  |  |  |  |  |  |  |  | 2 |  | 2
Vintage Gas Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 | 1
Vintage Gas Inc. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Vintage Gas Inc. | US GAS=PHYSICAL | N | 136 |  | 3 | 4 | 3 | 2 | 2 | 5 | 4 | 7 | 13 | 16 | 12 | 8 | 16 | 25 | 16
Vintage Gas Inc. | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Vintage Petroleum Boliviana Ltd | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Vintage Petroleum, Inc. | US GAS=PHYSICAL | N | 42 |  | 1 | 1 | 6 | 1 |  | 2 | 12 | 8 | 1 | 1 | 1 |  | 5 | 2 |  | 1
Vintage Pipeline | US GAS=PHYSICAL | N | 6 |  | 1 |  |  |  |  |  |  |  |  |  | 1 |  | 1 | 2 |  | 1
Vintage Resources Corp. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Virco Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
[NAME] | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Virginia Electric and Power Company | US GAS=PHYSICAL | N | 3 |  |  | 1 |  |  |  | 1 |  |  |  |  |  |  |  |  | 1
Virginia Natural Gas Inc. | US GAS=PHYSICAL | N | 73 |  |  | 22 | 12 |  |  |  |  |  |  | 1 | 8 | 14 | 5 | 5 |  | 6
Virginia Power Energy Marketing, Inc. | CANADIAN GAS=PHYSICAL | N | 7 | 1 | 3 | 3
Virginia Power Energy Marketing, Inc. | US GAS=PHYSICAL | N | 226 |  | 19 | 24 | 21 | 9 | 4 | 4 | 18 | 3 | 7 | 8 | 8 | 39 | 29 | 18 | 14 | 1
Virginia Power Energy Marketing, Inc. | US GAS=PHYSICAL | Y | 891 |  |  | 3 | 11 | 17 | 22 | 50 | 60 | 31 | 48 | 57 | 61 | 208 | 133 | 62 | 109 | 19
Virginia Power Services Energy Corp., Inc. | US GAS=PHYSICAL | N | 114 |  |  |  |  | 3 | 9 | 11 |  | 6 | 12 | 3 | 3 | 10 | 38 | 10 | 8 | 1
Vitol S.A. Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2
Vitra Argentina S.A. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Vitro Corporativo S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], S.A. de C.V. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Volunteer Energy Corp. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
W P Brown Enterprises, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  | 1
W&T Offshore, Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  | 2
W&T Offshore, Inc. | US GAS=PHYSICAL | N | 110 |  | 5 | 3 | 5 | 5 | 4 | 11 | 3 | 8 | 4 | 5 | 7 | 10 | 17 | 15 | 8
W&T Offshore, LLC | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
[NAME], Agent | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
WA Moncrief | US GAS=PHYSICAL | N | 2 |  |  |  |  |  | 1 |  |  |  |  |  |  | 1
Wagner & Brown Ltd. | US GAS=PHYSICAL | N | 34 |  | 3 | 3 | 2 | 1 | 1 | 1 | 1 | 1 | 2 | 3 | 3 | 3 | 3 | 3 | 4
Wagner Oil Company | US GAS=PHYSICAL | N | 24 |  |  |  | 2 |  | 1 | 1 | 2 | 1 | 1 |  | 4 | 3 | 2 | 5 | 1 | 1
Walker & Associates, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 | 1 |  | 1
Walker Gas Company | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Walter Oil & Gas Corporation | US GAS=PHYSICAL | N | 8 |  | 1 |  |  |  |  | 3 |  |  |  |  |  | 1 | 1 | 1 | 1
Warrior Gas Company | US GAS=PHYSICAL | N | 16 | 1 | 1 | 1 | 1 | 1 | 1 |  | 2 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
Wasatch Energy Corporation | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 1 |  | 1
Wasatch Energy Corporation | US GAS=PHYSICAL | N | 116 | 1 | 1 | 1 | 4 | 2 | 5 | 4 | 10 | 10 | 15 | 9 | 10 | 1 | 34 | 9
Wasatch Energy LLC | US GAS=PHYSICAL | N | 20 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14 | 6
Washington Gas Energy Services, Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Washington Gas Energy Services, Inc. | US GAS=PHYSICAL | N | 10 |  |  |  |  | 1 |  | 2 | 1 | 1 |  |  | 1 | 3 |  |  | 1
Washington Gas Energy Services, Inc. | US GAS=PHYSICAL | Y | 44 |  |  |  |  |  |  |  |  |  | 1 | 22 | 2 | 2 | 3 | 14
Washington Gas Light Company | US GAS=PHYSICAL | N | 59 |  |  | 16 | 4 |  |  |  |  |  | 1 |  | 2 | 6 | 9 | 21
Weiss Drilling, Inc. | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Welhausen Operating Co., Inc. | US GAS=PHYSICAL | N | 10 |  | 2 |  |  |  |  |  |  |  |  | 1 | 1 | 1 | 1 | 2 |  | 2
Wellstar Corporation | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4
West Linn Paper Company Inc. | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  | 2
West Linn Paper Company Inc. | US GAS=PHYSICAL | N | 24 |  | 1 | 1 | 2 | 1 | 2 |  | 2 | 1 | 2 | 2 | 2 |  | 7 | 1
West Texas Gas, Inc. | US GAS=PHYSICAL | N | 9 |  |  |  | 3 | 1 | 1 | 2 |  | 1 |  | 1
West Texas Utilities Company | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
West Texas Utilities Company | US GAS=PHYSICAL | N | 62 |  | 4 | 1 | 2 | 9 | 1 | 12 | 1 | 4 | 15 | 2 | 5 | 1 |  | 4 | 1
Westchester Gas Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  | 1
Westcoast Energy Inc. | CANADIAN GAS=PHYSICAL | N | 8 |  |  |  | 1 |  |  | 1 |  |  |  | 1 |  | 5
Westcoast Energy Inc. | US GAS=PHYSICAL | N | 6 |  |  |  | 2 |  | 4
Westcourt Group, Inc. | CANADIAN GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  | 4
Western Farmers Electric Cooperative | US GAS=PHYSICAL | N | 39 |  | 7 |  | 12 |  |  | 20
Western Gas Marketing Inc. | US GAS=PHYSICAL | N | 3 |  |  |  | 2 | 1
Western Gas Marketing Limited | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  |  |  | 1
Western Gas Marketing Limited | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  | 1
Western Gas Marketing Limited | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  | 1 |  |  |  | 1
Western Gas Resources Storage, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Western Gas Resources, Inc. | CANADIAN GAS=PHYSICAL | N | 17 |  |  |  |  | 2 |  | 3 | 6 | 6
Western Gas Resources, Inc. | CANADIAN GAS=PHYSICAL | Y | 12 |  |  |  |  |  |  |  | 1 | 1 | 6 | 1 | 1 |  |  |  | 2
Western Gas Resources, Inc. | US GAS=PHYSICAL | N | 1252 | 6 | 108 | 149 | 161 | 143 | 101 | 116 | 54 | 46 | 76 | 84 | 55 | 43 | 33 | 44 | 31 | 2
Western Gas Resources, Inc. | US GAS=PHYSICAL | Y | 1655 |  |  |  | 3 | 33 | 80 | 80 | 122 | 92 | 141 | 169 | 130 | 219 | 197 | 146 | 197 | 46
Western Kentucky Gas Resources Company | US GAS=PHYSICAL | N | 2 |  | 1 | 1
Western Resources Inc. | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  | 3 |  | 3 |  |  | 1
Westport Oil & Gas Company, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 3 | 1
Westridge | CANADIAN GAS=PHYSICAL | N | 123 |  |  |  |  |  | 7 | 21 | 22 | 17 | 22 | 15 | 19
Westridge | US GAS=PHYSICAL | N | 55 |  |  |  | 20 | 22 | 13
Westridge | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Westvaco Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
WGR Canada Inc. | CANADIAN GAS=PHYSICAL | N | 43 |  | 10 | 3 | 3 | 10 |  | 2 | 1 | 2 | 6 | 2 | 2 | 1 |  | 1
WGR Canada Inc. | CANADIAN GAS=PHYSICAL | Y | 284 |  |  |  |  |  | 20 | 46 | 43 | 42 | 9 | 11 | 20 | 30 | 12 | 45 | 6
WGR Canada Inc. | US GAS=PHYSICAL | N | 9 |  | 4 |  | 1 |  | 4
Wheeler Energy Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Wheeler Operating Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Wheeling-Pittsburgh Steel Corporation | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
White Oak Energy, L.L.C. | US GAS=PHYSICAL | N | 9 |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 | 3 | 2 |  | 1
Whiting Petroleum Corporation | US GAS=PHYSICAL | N | 11 |  | 1 |  | 3 |  |  |  | 1 | 1 | 1 | 1 |  |  | 1 | 1 | 1
Whiting Petroleum Corporation | US GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
Wicor Energy Services Company | US GAS=PHYSICAL | N | 34 |  | 3 |  |  | 2 | 7 | 4 | 8 | 2 |  |  |  |  | 5 | 1 | 2
Wicor Energy Services Company | US GAS=PHYSICAL | Y | 39 |  |  |  |  |  |  |  |  | 7 |  | 2 | 1 | 3 | 9 | 3 | 8 | 6
Wicor Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Wild Goose Storage Inc. | CANADIAN GAS=PHYSICAL | N | 1 |  |  | 1
Wild Goose Storage Inc. | US GAS=PHYSICAL | N | 42 |  | 2 | 2 | 5 | 3 | 8 | 3 | 1 | 2 | 1 |  | 1 | 7 | 1 | 2 | 4
Wild Goose Storage Inc. | US GAS=PHYSICAL | Y | 139 |  |  |  |  |  |  | 1 | 9 | 21 | 9 | 2 | 16 | 50 | 11 | 2 | 18
[NAME] | US GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Williams Energy Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  |  | 1
Williams Energy Marketing & Trading Company | CANADIAN GAS=PHYSICAL | N | 48 | 1 | 13 | 9 | 3 | 1 |  | 4 | 6 | 5 | 4 | 1 |  |  |  |  | 1
Williams Energy Marketing & Trading Company | CANADIAN GAS=PHYSICAL | Y | 402 |  |  |  | 6 | 14 | 9 | 22 | 14 | 7 | 16 | 15 | 21 | 52 | 52 | 66 | 95 | 13
Williams Energy Marketing & Trading Company | US GAS=PHYSICAL | N | 503 |  | 36 | 29 | 84 | 49 | 41 | 16 | 79 | 48 | 35 | 16 | 18 | 19 | 11 | 12 | 10
Williams Energy Marketing & Trading Company | US GAS=PHYSICAL | Y | 2436 |  |  |  | 3 | 38 | 75 | 164 | 233 | 204 | 235 | 217 | 199 | 310 | 282 | 234 | 216 | 26
Williams Energy Systems Company | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  | 1
Williams Natural Gas Company | US GAS=PHYSICAL | N | 6 |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  | 2
Williams Terminals Holdings, L.L.C. | US GAS=PHYSICAL | N | 8 |  |  |  |  | 3 | 2 | 3
Wilma J Hughes | US GAS=PHYSICAL | N | 9 |  |  |  |  | 3 |  |  |  |  |  |  | 1 | 1 | 2 | 1 |  | 1
Wilmar Pipelines, Inc. | US GAS=PHYSICAL | N | 45 |  | 1 | 2 | 8 | 8 | 1 | 4 | 1 | 1 | 3 | 1 | 2 | 1 | 3 | 6 |  | 3
Winn Exploration Co., Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  | 1 | 2
Wisconsin Electric Power Company | US GAS=PHYSICAL | N | 14 |  | 4 |  |  | 2 |  | 3 |  |  | 2 |  | 1 | 1 | 1
Wisconsin Fuel & Light Company | US GAS=PHYSICAL | N | 7 |  |  |  |  |  |  |  | 1 |  | 2 | 1 | 1 | 1 |  |  | 1
Wisconsin Gas Company | US GAS=PHYSICAL | N | 147 | 1 | 7 | 13 | 6 | 2 | 9 | 25 | 23 | 7 | 22 | 5 | 12 | 4 | 3 | 4 | 4
Wisconsin Gas Company | US GAS=PHYSICAL | Y | 785 |  |  |  |  |  |  |  |  | 17 | 68 | 58 | 91 | 103 | 78 | 122 | 225 | 23
Wisconsin Power And Light Company | CANADIAN GAS=PHYSICAL | N | 2 |  |  |  |  | 2
Wisconsin Power And Light Company | US GAS=PHYSICAL | N | 45 |  | 3 | 3 | 6 | 2 | 2 | 1 |  |  | 11 | 3 | 4 |  | 7 | 3
Wisconsin Power And Light Company | US GAS=PHYSICAL | Y | 311 |  |  |  |  |  |  |  |  |  | 95 | 60 | 12 | 30 | 22 | 41 | 44 | 7
Wisconsin Public Service Corporation | US GAS=PHYSICAL | N | 17 |  |  |  |  |  |  |  |  |  |  | 2 | 3 |  | 3 | 3 | 5 | 1
Wiser Oil Company, The | US GAS=PHYSICAL | N | 3 |  |  |  | 2 | 1
Witt Company, The | US GAS=PHYSICAL | N | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
WM Oil and Gas, Inc. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  | 1
[NAME], Oil & Gas, Inc. | US GAS=PHYSICAL | N | 5 |  |  |  |  | 1 |  |  |  |  |  |  | 1 | 1 | 1 |  |  | 1
Wolfe, Boyd & Flora | US GAS=PHYSICAL | N | 5 |  |  |  | 1 |  |  |  |  |  |  |  |  |  | 1 | 2 |  | 1
Wolverine Tube Inc. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  | 1
[NAME], L.L.C. | CANADIAN GAS=PHYSICAL | N | 1 |  |  |  |  | 1
[NAME], L.L.C. | CANADIAN GAS=PHYSICAL | Y | 1 |  |  |  |  |  |  |  |  |  |  |  | 1
[NAME], L.L.C. | US GAS=PHYSICAL | N | 421 | 1 | 10 | 20 | 25 | 29 | 16 | 23 | 20 | 20 | 17 | 30 | 52 | 48 | 69 | 28 | 11 | 2
Worldwide Energy Corporation | US GAS=PHYSICAL | N | 2 |  |  | 1 | 1
WPS Energy Services, Inc. | CANADIAN GAS=PHYSICAL | N | 6 | 3 | 2 |  |  | 1
WPS Energy Services, Inc. | US GAS=PHYSICAL | N | 380 | 4 | 20 | 19 | 17 | 29 | 33 | 33 | 17 | 15 | 17 | 38 | 52 | 41 | 15 | 19 | 10 | 1
WPS Energy Services, Inc. | US GAS=PHYSICAL | Y | 1412 |  |  | 3 | 32 | 37 | 28 | 17 | 112 | 73 | 68 | 84 | 96 | 124 | 260 | 197 | 258 | 23
WPS Resources Corporation | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  | 1
Wyman-Gordon Forgings, Inc. | US GAS=PHYSICAL | N | 1 |  |  |  | 1
Wynn-Crosby 1997, Ltd. | US GAS=PHYSICAL | N | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3
Xcel Energy Inc. | US GAS=PHYSICAL | Y | 48 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16 | 24 | 8
Xeric Oil & Gas Corp. | US GAS=PHYSICAL | N | 32 |  |  |  |  |  | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4
XPLOR Energy Operating Company | US GAS=PHYSICAL | N | 1 |  | 1
Yates Energy Corporation | US GAS=PHYSICAL | N | 8 |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 4 | 2 |  | 1
Yates Petroleum Corporation | US GAS=PHYSICAL | N | 40 | 1 | 2 | 2 | 3 | 5 | 3 |  | 8 | 1 | 2 | 2 | 3 | 1 | 6 | 1
YPF S.A. | US GAS=PHYSICAL | N | 1 |  |  |  |  |  |  |  |  |  | 1
Zachry Exploration, Inc. | US GAS=PHYSICAL | N | 2 |  |  |  |  |  |  |  |  |  | 2
Zevex Corporation | US GAS=PHYSICAL | N | 3 |  |  |  |  | 3