# List of reporting marks: C

Note: Marks ending in U are for container owners; marks ending in X are not common carriers; marks ending in Z are for trailers without flanged wheels. All other marks are of common-carrier railroads.

## C

* CA - Chesapeake and Albemarle Railroad
* CABU - Bacardi and Company, Ltd.
* CABX - Cabot Corporation
* CACV - Cooperstown and Charlotte Valley Railroad
* CACZ - Comacasa Line
* CAD - Cadiz Railroad
* CADX - Cando Corporation
* CAEG - Coffeen and Western Railroad (subsidiary of Ameren)
* CAFU - Bay Cities Leasing Company
* CAGX - MHC, Inc. (subsidiary of ConAgra)
* CAGY - Columbus and Greenville Railway
* CAGZ - Columbus and Greenville Railway
* CAIX - Cominco American, Inc.; CAI Rail, Inc.
* CALA - Carolina Southern Railroad
* CALX - California Railcar Corporation
* CAMX - Canamax Commodity Corporation
* CAMY - Camp Chase Railway
* CANX - CANAC International, Inc.
* CAOX - Westlake CA and O
* CAPX - TransAlta Utilities Corporation
* CARR - Carrollton Railroad
* CARX - Carlon; Lamson and Sessions
* CARZ - Anton Caraton and Son
* CASO - Canada Southern Railway; New York Central Railroad; Penn Central; Canadian Pacific Railway
* CATU - CATU Containers, SA
* CAXU - Container Applications International, Inc.
* CBC - Carbon County Railway; Chemin de fer Baie des Chaleurs
* CBCX - Colonial Brick Company, Inc.
* CBFX - CIT Group/Capital Finance, Inc.
* CBGR - Council Bluffs Railway; Great Western Railway of Iowa
* CBHU - China Ocean Shipping Company
* CBIU - Combi Line-Lash
* CBIX - Central Bi-Products
* CBL - Conemaugh and Black Lick Railroad
* CBLU - Cooper Brothers Containers, Ltd.
* CBNS - Cape Breton and Central Nova Scotia Railway
* CBPU - CBSL Transportation Services, Ltd.
* CBQ - Chicago, Burlington and Quincy Railroad; Burlington Northern Railway; Burlington Northern and Santa Fe Railway; BNSF Railway
* CBQZ - Chicago, Burlington and Quincy Railroad; Burlington Northern Railway; Burlington Northern and Santa Fe Railway; BNSF Railway
* CBRM - Chillicothe-Brunswick Rail Maintenance Authority
* CBRW - Columbia Basin Railroad
* CBRX - Charles Barthoid
* CBRY - Copper Basin Railway
* CBTX - Central Bi-Products
* CBYN - Crosbyton Railway
* CC - Chicago Central and Pacific Railroad
* CCAX - FDJ Leasing
* CCBX - Union Carbide Corporation
* CCC - Clinchfield Coal Corporation
* CCCL - Connecticut Central Railroad
* CCCU - Compass Container Company, Inc.
* CCCX - Carondelet Coke Corporation
* CCCZ - Compass Container Company, Inc.
* CCDX - Dayton Power and Light Company
* CCET - Cincinnati East Terminal Railway
* CCEZ - Chicago Central and Pacific Railroad
* CCFG - Chemin de fer Gaspésie
* CCFZ - Chi-Can Freight Forwarding
* CCGX - Cando Contracting, Ltd.
* CCHX - Columbian Chemicals Canada, Ltd.
* CCIM - Corpus Christi Terminal Railroad
* CCIX - Stauffer Chemical Company (Consolidated Chemical Division)
* CCIZ - Crete Intermodal
* CCKX - California Contemporary, Inc.; CCKX, Inc.
* CCKY - Chattooga and Chickamauga Railway
* CCLU - Char Ching Shipping (USA), Ltd.
* CCLX - Crystal Car Lines
* CCMX - Calcium Carbonate Company
* CCPR - Chelatchie Prairie Railroad
* CCPX - Canadian Chemical Producers
* CCQX - Construction Carrier, Inc.
* CCR - Corinth and Counce Railroad; Kansas City Southern Railway
* CCRR - Claremont Concord Railroad
* CCRU - Compagnie Des Containers Reservoir
* CCRX - Coastal Refining and Marketing, Inc.
* CCRY - Charles City Railway
* CCRZ - Kansas City Southern Railway
* CCSU - Trans Ocean, Ltd.
* CCT - Central California Traction Company
* CCTU - Coordinated Caribbean Transport, Inc.
* CCTX - Central Power and Light Company
* CCTZ - Crowley Maritime Corporation
* CCUO - Chicago-Chemung Railroad
* CCWX - Coastal Chem, Inc.
* CCX - Columbian Chemicals Company
* CCXU - Char Ching Shipping (USA), Ltd.
* CCXX - Costain Coal, Inc.
* CDAC - Canadian American Railroad; Bangor and Aroostook Railroad; Montreal, Maine and Atlantic
* CDAU - Canadian Tire Corporation Ltd.
* CDAZ - Canadian Tire Corporation Ltd.
* CDCX - Air Liquide America Corporation
* CDEX - Coastal Distribution, LLC
* CDGX - Carolinas Domestic Gas Company, Inc.; Chatham Oil Company
* CDHX - Caledonian Rail Lines, LLC
* CDLZ - Cardinal Freight Carriers
* CDNU - Carotrans International
* CDPX - Chevron USA, Inc.
* CDTX - California Department of Transportation (Amtrak California)
* CDVX - Caddo Valley Railcar Repair, Inc.
* CEBX - Combustion Engineering, Inc.
* CEDR - Cedar River Railroad
* CEFX - CIT Group/Capital Finance, Inc.
* CEI - Chicago and Eastern Illinois Railroad; Missouri Pacific Railroad; Union Pacific Railroad
* CEIW - Central Indiana and Western Railroad
* CELX - Celtran, Inc.
* CEMR - Central Manitoba Railway
* CEMX - Cementos Mexicanos, SA; Cemex Mexico, SA de CV
* CENX - Western Aggregates, Inc.
* CEPX - Cajun Electric Power Cooperative, Inc.; Trinity Industries Leasing
* CERA - Central Railroad Company of Indianapolis
* CERX - Carpenter Chemical Company; ER Carpenter, LLP
* CETU - Custom Environmental Transport, Inc.
* CEWX - Canadian Enterprise Gas Products
* CF - Cape Fear Railway
* CFC - Chemin de fer Charlevoix
* CFE - Chicago, Fort Wayne and Eastern
* CFKZ - XTRA Intermodal
* CFL - Chemin de fer Lanaudière
* CFLX - Crestbrook Forest Industries
* CFM - Chemin de fer de Matapédia et du Golfe
* CFMG - Chemin de Fer de Matapédia et Gaspésie
* CFMX - Cargill, Inc.
* CFNR - California Northern Railroad
* CFO - Ottawa Central Railway
* CFPX - GE Railcar Services Corporation
* CFQC - Quebec Central Railway
* CFRR - Chemin de fer Rivière Romaine
* CFRU - Cardinal Freight Carriers
* CFS - Sartigan Railway
* CFSX - C and T Refinery, Inc.
* CFTX - Canadian Fertilizers, Ltd.
* CFWR - Caney Fork and Western Railway
* CG - Central of Georgia Railway; Norfolk Southern Railway
* CGA - Central of Georgia Railway; Norfolk Southern Railway
* CGAX - Cargill, Inc. (C.G.D. Division)
* CGBX - Procor, Ltd.; Dow Chemical Canada, Inc.
* CGCX - Continental Grain Company
* CGDX - Country Gas Distributors, Inc.; Eastern Propane Gas
* CGEX - Canadian General Electric Company, Ltd.; Cargill, Inc.
* CGFX - Consolidated Gas Company of Florida
* CGLX - Canadian General Transit; General American Train Company
* CGMU - Compagnie Generale Maritime
* CGMX - GATX Rail Canada Corporation
* CGMZ - Compagnie Generale Maritime
* CGNE - Champagne Railroad, Inc.
* CGOX - Cargill, Inc.
* CGR - CG Railway
* CGRX - Consolidated Grain and Barge Company
* CGRY - Carrizo Gorge Railway, Inc.
* CGSX - Proflame Incorporated
* CGT - Canada and Gulf Terminal Railway
* CGTU - Compagnie Generale Maritime
* CGTX - Canadian General Transit; General American Train Company
* CGW - Chicago Great Western Railway; Chicago and North Western Railway; Union Pacific Railroad
* CHAT - Chattahoochee and Gulf Railroad
* CHAU - Combined Transport Group, Inc.
* CHAX - Chartrand's Tank Car Service, Inc.
* CHEX - Chemplex Company; Equistar Chemicals
* CHFU - Challenge International
* CHH - Cheswick and Harmar
* CHIU - Chimco - Bulgaria
* CHLX - Chemleco, Inc.
* CHMX - C. H. Masland and Sons; First Union Rail
* CHOX - Sugar Express
* CHP - Ferrocarril de Chihuahua al Pacifico, SA de CV; Ferrocarriles Nacionales de Mexico
* CHR - Chestnut Ridge Railway
* CHRC - Chaparral Railroad
* CHRR - Chesapeake Railroad
* CHRX - Chesapeake Railway Association; previously the Chesapeake Division, Railroad Enthusiasts, Inc. until 1 Dec 1999.
* CHS - Charlotte Southern Railroad
* CHSX - Cenex Harvest States Cooperative
* CHSZ - Intermodal Services, Inc.
* CHTS - Penn Eastern Rail Lines, Inc.
* CHTT - Chicago Heights Terminal Transfer Railroad; Missouri Pacific Railroad; Union Pacific Railroad
* CHV - Chattahoochee Valley Railway
* CHVX - Chevron Chemical Company
* CHW - Chesapeake Western Railway; Norfolk Southern
* CI - Cambria and Indiana Railroad
* CIBX - CIT Group/Capital Finance, Inc.
* CIC - Cedar Rapids and Iowa City Railway (Crandic)
* CIGX - CIT Group/Capital Finance, Inc.
* CIIX - Contico International, Inc.
* CIM - Chicago and Illinois Midland Railway
* CIND - Central Railroad Company of Indiana
* CIPX - Central Illinois Public Service Company; Ameren Energy Generating Company
* CIR - City of Rochelle, Illinois
* CIRR - Chattahoochee Industrial Railroad
* CIRX - Consbec, Inc.
* CIRY - Central Illinois Railroad
* CISD - Colonel's Island Railroad
* CITU - Cincinnati Union Terminal
* CITX - CIT Group/Capital Finance, Inc.
* CIW - Illinois Central Gulf; Illinois Central Railroad; Canadian National Railway
* CIWN - Cincinnati, Indianapolis and Western Railroad
* CIXX - Calciner Industries, Inc.
* CJPX - General Electric Rail Services Corporation
* CKIN - Chesapeake and Indiana Railroad
* CKIX - C.K. Industries
* CKP - Colorado Kansas and Pacific Railway
* CKRY - Kansas and Oklahoma Railroad
* CKSI - Carthage Knightstown and Shirley Railroad
* CL&N - Cincinnati, Lebanon and Northern Railway
* CLC - Columbia and Cowlitz Railway
* CLCO - Claremont and Concord Railway
* CLCX - Union Oil Company of California; Chattahoochee Locomotive Company
* CLCZ - Complete Logistics Company
* CLDZ - Celadon Trucking Services, Inc.
* CLEX - Chemical Enterprises, Inc.; Cieco Corporation
* CLGR - Central Louisiana and Gulf Railroad
* CLGU - Costa Line Cargo Services
* CLIF - Cliffside Railroad
* CLIX - Calumet Lubricants
* CLK - Cadillac and Lake City Railway
* CLMX - Consolidated Thompson Iron Mines Limited
* CLNA - Carolina Coastal Railway
* CLOU - CLOU Container Leasing, GmbH
* CLOX - Clark Refining and Marketing, Inc.
* CLP - Clarendon and Pittsford Railroad
* CLPX - Boulder Scientific Company
* CLPZ - Clarendon and Pittsford Railroad
* CLRX - Clayton Rail
* CLSL - Columbia and Silver Creek Railroad
* CLSX - Cargill (Salt Division)
* CLTU - Chemical Leaman Tank Lines, Inc.
* CLTX - Cloro de Tehuantepec, SA de CV
* CM - Central Montana Rail
* CMBU - CMB, SA
* CMC - CMC Railroad, Inc.
* CMCU - Crowley Maritime Corporation
* CMCX - Sweetman Construction Company
* CMCZ - Crowley Maritime Corporation
* CMDX - Cargill, Inc.
* CMER - Curtis, Milburn and Eastern Railroad
* CMEX - CEMEX, Inc.
* CMG - Chicago, Milwaukee and Gary Railway
* CMGN - Central Michigan Railway
* CMHX - CarMath, Inc.
* CMIX - Consolidated Minerals, Inc.
* CMLU - Containers Marine Lines (Division of American Export Lines)
* CMLX - Craggy Mountain Line, Inc.
* CMLZ - Containers Marine Lines Isbrandtsen
* CMMU - Medcontainers
* CMO - Chicago, St. Paul, Minneapolis and Omaha Railway; Chicago and North Western Railway; Union Pacific Railroad
* CMPA - Madison Railroad Division of City of Madison Port Authority
* CMPU - Complete Logistics Company
* CMQ - Central Maine and Quebec Railway
* CMR - Central Midland Railway Company
* CMRX - The Chemours Company, LLC
* CMSX - Cape May Seashore Lines
* CMSN - Crowley Marine Services
* CMU - Columbus Charter Service
* CMUU - Canada Maritime Agencies Limited
* CMWX - Chateau Martin Wine
* CN - Canadian National Railway
* CNA - Canadian National Railway
* CNAZ - Grand Trunk Western Railroad; Canadian National Railway
* CNCX - Columbia Nitrogen Corporation
* CNDX - Connecticut Department of Transportation
* CNE - Central New England Railway; New York, New Haven and Hartford Railroad
* CNEU - Canadian National Railway
* CNEZ - Canadian National Railway
* CNGU - Sicng (Ind. Chim. Du Nord de la Grece SA)
* CNGX - CONAG Finance, Inc.
* CNHX - Ontario Hydro; Ontario Power Generation
* CNIS - Canadian National Railway
* CNJ - Central Railroad of New Jersey; Norfolk Southern
* CNL - Columbia, Newberry and Laurens Railroad; Atlantic Coast Line Railroad; CSX Transportation
* CNLX - CANAC International
* CNMZ - Norfolk Southern
* CNNU - Compania Nacional de Nabegacao
* CNOR - Cincinnati Northern Railroad
* CNOW - Columbia and Northern Railway
* CNOX - Shell Canada, Ltd.
* CNoR - Canadian Northern Railway
* CNPU - Canadian National Railway
* CNPZ - Canadian National Railway
* CNQ - Canadian National Railway End Of Train Devices
* CNRR - California Northern Railroad
* CNRU - Canadian National Railway
* CNRX - Canadian National Railway
* CNRZ - Canadian National Railway
* CNSM - Chicago North Shore and Milwaukee Railroad
* CNSX - Consolidated Oil and Transportation Company, Inc.
* CNTP - Cincinnati, New Orleans and Texas Pacific Railway
* CNTX - Continental Tank Car Corporation
* CNUR - C&NC Railroad
* CNVX - Convoyeur National, Inc.
* CNW - Chicago and North Western Railway; Union Pacific Railroad
* CNWS - Chicago and North Western Railway
* CNWX - Canadian Wheat Board
* CNWZ - Chicago and North Western Railway; Union Pacific Railroad
* CNYK - Central New York Railroad
* CNYX - Central New York Locomotive Company
* CNZR - Central New England Railroad
* CO - Chesapeake and Ohio Railway; Chessie System; CSX Transportation
* COAX - Trinity Rail Management, Inc.
* COBX - Cobre Mining Company, Ltd.
* COCX - Chevron Oronite Company LLC
* COE - Colorado and Eastern Railroad
* COEH - Conecuh Valley Railroad
* COER - Crab Orchard and Egyptian Railroad
* COEZ - Crab Orchard and Egyptian Railroad
* COLX - Alliant Energy
* COMX - Commonwealth Edison Company
* CONU - Contrans
* CONX - Conoco Inc.
* COOK - Cook Transit
* COOX - Cooperative Producers, Inc.; First Union Rail
* COP - City of Prineville Railway
* COPX - CanadianOxy Industrial Chemicals, LP
* CORP - Central Oregon and Pacific Railroad
* CORU - CATU Containers, SA
* CORX - Coors Brewing Company
* COSU - China Ocean Steamship, Ltd.
* COSX - Cabot Corporation (CAB-O-SIL Division)
* COTX - Consolidated Transportation Corporation; GLNX Corporation
* COZ - CSX Transportation
* CP - Canadian Pacific Railway
* CPAA - Canadian Pacific Railway
* CPAX - CITGO Petroleum Corporation
* CPBU - Soo Line; Canadian Pacific Railway
* CPBZ - Soo Line; Canadian Pacific Railway
* CPCX - Chevron Phillips Chemical Company
* CPDR - South Carolina Central Railroad (Carolina Piedmont Division); Carolina Piedmont Railway
* CPDU - Delaware and Hudson Railway
* CPDX - Chevron USA, Inc.
* CPDZ - Delaware and Hudson Railway
* CPGZ - ContainerPort Group, Inc.
* CPHX - Ontario Hydro; Ontario Power Generation
* CPI - Canadian Pacific Railway
* CPIX - Continental Polymers, Inc.; ICI Acrylics, Inc.
* CPKC - Canadian Pacific Kansas City
* CPLJ - Camp Lejeune Railroad
* CPLT - Camino, Placerville and Lake Tahoe Railroad
* CPLX - CPLX Leasing
* CPMY - Coopersville and Marne Railway
* CPOX - Consumers Power Company
* CPPU - Canadian Pacific Railway
* CPPX - Consolidated Papers, Inc.
* CPPZ - Canadian Pacific Railway
* CPRS - Canadian Pacific Railway
* CPRX - Carolina Power and Light Company
* CPRZ - Canadian Pacific Railway
* CPSX - Commercial Plastics Systems, Inc.
* CPSU - CP Ships
* CPT - Canadian Pacific Railway End Of Train Devices
* CPVU - Containers and Pressure Vessels, Ltd.
* CPWX - Canadian Wheat Board
* CQPA - Central Columbiana and Pennsylvania Railway
* CR - Norfolk Southern
* CRAX - Crystal Hopper Associates
* CRAZ - Cornucopia Transportation, Inc.
* CRCR - Crete Carrier Corporation
* CRCX - Conrail Shared Assets Operations - Legal Name: Conrail
* CRCZ - Norfolk Southern
* CRDX - Chicago Freight Car Leasing Company
* CREU - Canadian Retail Shippers Association
* CREX - Merchants Investment Company; Citicorp Railmark, Inc.
* CREZ - Canadian Retail Shippers Association
* CRGX - Cargill, Inc.
* CRIJ - Carolina Rail Services, Inc.
* CRIX - GE Railcar Services Corporation; Citicorp Railmark, Inc.
* CRL - Chicago Rail Link
* CRLE - Coe Rail, Inc.
* CRLU - Carlisle Leasing International
* CRLX - Canadian Railserve, Ltd.
* CRMU - Norfolk Southern
* CRMX - The Cropmate Company
* CRMZ - Norfolk Southern
* CRN - Carolina and Northwestern Railway; Norfolk Southern
* CRNX - Coffeyville Resources Nitrogen Fertilizers, LLC
* CROX - Sylvachem Corporation
* CRP - Central Railroad of Pennsylvania; Norfolk Southern
* CRPU - Norfolk Southern
* CRPX - Centennial Gas Liquids
* CRQU - Norfolk Southern
* CRR - Clinchfield Railroad; Seaboard System Railroad; CSX Transportation
* CRRR - Copper Range Refrigerator
* CRRX - Cañon City and Royal Gorge Railroad, LLC
* CRSX - Cost Rail Service
* CRTZ - Norfolk Southern
* CRXU - Cronos Containers (UK)
* CRYX - Cryo-Trans, Inc.
* CRZ - Norfolk Southern
* CS - Colorado and Southern Railway; Burlington Northern Railway; Burlington Northern and Santa Fe Railway; BNSF Railway
* CSAU - Costa Line
* CSBX - Cargill (Salt Division)
* CSCD - Cascade and Columbia River Railroad
* CSCX - Oglebay Norton; Coal Supply Corporation
* CSDX - Metropolitan Water Reclamation District of Greater Chicago
* CSGX - Central Sand and Gravel Company
* CSKR - C and S Railroad
* CSKU - Consolidated Services, Inc.
* CSL - Chicago Short Line Railway
* CSMX - Carol and Andy Muller
* CSNX - Cities Service Oil and Gas Corporation; Trident NGL, Inc.
* CSO - Connecticut Southern Railroad
* CSOR - Connecticut Southern Railroad
* CSOX - CITGO Petroleum Corporation
* CSP - Camas Prairie RailNet
* CSPX - Chesapeake Speciality Products; Cities Service Company
* CSRX - Conway Scenic Railroad
* CSRZ - CSX Transportation
* CSS - Chicago South Shore and South Bend Railroad
* CSTX - Canadian Starch Company (Casco)
* CSUX - City of Colorado Springs Department of Electric Generation
* CSVU - Compania Sud Americana de Vapores, GmbH
* CSWX - Central and South West Services, Inc.
* CSX - Central Transportation Company, Inc.
* CSXE - CSX Transportation End Of Train Devices
* CSXT - CSX Transportation
* CSXU - CSX Transportation
* CSXZ - CSX Transportation
* CSYX - Central Soya
* CT - Columbia Terminal Railroad
* CTCU - Container Trading Company
* CTCX - GE Railcar Services Corporation; Endasa, SA de CV
* CTE - Cen-Tex Rail Link
* CTEU - Spanish Lines
* CTEX - Canterra Energy, Ltd.; PLM International, Inc.
* CTGZ - Combined Transport Group, Inc.
* CTIE - Kansas City Southern Railway
* CTIU - CTI-Container Transport International, Inc.
* CTIX - Southeastern Industrial Enterprises, Inc.
* CTIZ - CTI-Container Transport International, Inc.
* CTKU - Container Tank Services, Ltd.
* CTLX - Endasa, SA de CV
* CTML - Cairo Terminal Railroad
* CTN - Canton Railroad
* CTNX - Continental Carbon
* CTOU - Chem-Rail Logistics, LLC
* CTPX - Certain Teed Corporation; Courtesy Corporation
* CTR - Clinton Terminal Railroad; Carlton Trail Railway
* CTRN - Central of Tennessee Railway and Navigation Company
* CTRR - Cloquet Terminal Railroad
* CTRU - Container Trading Company
* CTRW - Carlton Trail Railway
* CTRX - C and T Refinery, Inc.
* CTSU - Bibby Bros Company
* CTSX - CTS Cement Manufacturing, Inc. (Chem Comp Systems)
* CTSZ - Carotrans International
* CTTX - TTX Company
* CTUU - Container Trading Company
* CTVX - Cleveland Terminal and Valley Railway
* CTWU - Container Trading Company
* CTZZ - Continental Transportation Company
* CUEX - Colorado-Utility Electric Association
* CUOH - Columbus and Ohio River Rail Road
* CURB - Curtis Bay Railroad
* CUST - Chicago Union Station Company
* CUT - Cincinnati Union Terminal
* CUVA - Cuyahoga Valley Railway; ISG Cleveland Works Railway
* CV - Central Vermont Railway; Grand Trunk Western; Canadian National Railway
* CVC - Central Vermont Railway; Canadian National Railway
* CVQ - Grand Trunk Western Railroad; Canadian National Railway
* CVR - Cimarron Valley Railroad
* CVRX - Locomotive and Tower Preservation Fund, Ltd.
* CVRY - Caddo Valley Railroad
* CVRZ - Grand Trunk Western Railroad; Canadian National Railway
* CVSR - Cuyahoga Valley Scenic Railroad
* CVYR - Caddo Valley Railroad
* CW - Colorado and Wyoming Railway
* CWBX - C. W. Brooks, Inc.
* CWCX - Canandaigua Wine Company, Inc.
* CWCY - Caldwell County Railroad
* CWEX - Commonwealth Edison Company; Midwest Generation, LLC
* CWI - Chicago and Western Indiana Railroad
* CWIU - Con-Way Intermodal
* CWIZ - Con-Way Intermodal
* CWMX - Chemical Waste Management, Inc.
* CWP - Chicago, West Pullman and Southern Railroad; Chicago Rail Link
* CWR - California Western Railroad; CWR, Inc.
* CWRC - Central Wisconsin Railroad
* CWRL - Central Western Railway
* CWRO - Cleveland Works Railway
* CWRX - CWR Transportation Co.
* CWRY - Commonwealth Railway
* CWRZ - Providence and Worcester Railroad
* CWSX - USS Fabrication Division (United States Steel Corporation)
* CWTX - ChemWest Industries, Inc.
* CWTZ - Con-Way Truckload Services
* CXCZ - CSX Lines, LLC
* CXIX - Chemical Exchange Industries, Inc.
* CXPZ - CSX Transportation
* CXR - Colorado Pacific Railroad
* CXRG - Colorado Pacific Rio Grande Railroad
* CXRZ - CSX Transportation
* CXVZ - CSX Intermodal, Inc.
* CYCY - Crystal City Railroad
* CYDX - Conrad Yelvington Distributors, Inc.
* CYTX - Construcciones Y Trituaraciones, SA de CV
* CYX - American Cyanamid Company
* CZ - Coahuila and Zacatecas Railway
* CZCX - Crown Zellerbach Corporation
* CZRY - Carrizo Gorge Railway