<TABLE> <S> <C>

<ARTICLE> 5
<LEGEND>
These amounts have been restated for the acquisition of MAPCO Inc., which was
accounted for as a pooling of interests
<CIK> 0000947779
<NAME> WILLIAMS HOLDINGS OF DELAWARE, INC.
<MULTIPLIER> 1,000,000
       
<S>                             <C>                     <C>                     <C>
<PERIOD-TYPE>                   12-MOS                   12-MOS                   12-MOS
<FISCAL-YEAR-END>                          DEC-31-1997             DEC-31-1996             DEC-31-1995
<PERIOD-START>                             JAN-01-1997             JAN-01-1996             JAN-01-1995
<PERIOD-END>                               DEC-31-1997             DEC-31-1996             DEC-31-1995
<CASH>                                              96                     149                      63
<SECURITIES>                                         0                       0                       0
<RECEIVABLES>                                    1,440                   1,235                     736
<ALLOWANCES>                                        21                      10                      12
<INVENTORY>                                        316                     211                     212
<CURRENT-ASSETS>                                 2,348                   1,973                   1,621
<PP&E>                                           6,224                   5,405                   4,900
<DEPRECIATION>                                   1,690                   1,508                   1,363
<TOTAL-ASSETS>                                   9,103                   7,335                   6,515
<CURRENT-LIABILITIES>                            2,700                   1,676                   1,460
<BONDS>                                          1,526                   1,421                   1,022
<PREFERRED-MANDATORY>                                0                       0                       0
<PREFERRED>                                          0                       0                       0
<COMMON>                                             0                       0                       0
<OTHER-SE>                                       3,526                   3,153                   2,849
<TOTAL-LIABILITY-AND-EQUITY>                     9,103                   7,335                   6,515
<SALES>                                              0                       0                       0
<TOTAL-REVENUES>                                 6,513                   5,153                   4,153
<CGS>                                                0                       0                       0
<TOTAL-COSTS>                                    6,000                   4,565                   3,702
<OTHER-EXPENSES>                                     0                       0                       0
<LOSS-PROVISION>                                     8                       9                       4
<INTEREST-EXPENSE>                                 132                      94                     101
<INCOME-PRETAX>                                    455                     530                     372
<INCOME-TAX>                                       154                     171                      96
<INCOME-CONTINUING>                                301                     359                     276
<DISCONTINUED>                                     (6)                    (33)                   1,029
<EXTRAORDINARY>                                    (4)                       0                       0
<CHANGES>                                            0                       0                       0
<NET-INCOME>                                       291                     326                   1,305
<EPS-PRIMARY>                                        0                       0                       0
<EPS-DILUTED>                                        0                       0                       0
                                                                              

</TABLE>