Reporting mark
Appearance
The following are reporting marks assigned by the Association of American Railroads to rail carriers operating in North America and the companies (railroads and rail equipment owners/operators) to which they were assigned. Where multiple railroads are listed on a reporting mark, their order indicates the order of the mark's assignment; the succession is usually through mergers or buyouts.
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A
- AA - Ann Arbor Railroad
- ABC - Atlanta, Birmingham & Coast Railroad
- ABOX - TTX Corporation
- ABWX - Asea Brown Boveri
- AC - Algoma Central
- ACAX - Honeywell International
- ACFX - GE Capital Railcar Services
- ACIS - Algoma Central
- ACPX - Amoco Oil Company
- ACTX - Allied Chemical Company
- ACL - Atlantic Coast Line Railroad
- ADMX - Archer Daniels Midland
- AERC - Albany and Eastern Railroad
- AESX - A. E. Staley Manufacturing
- AEX - The Andersons
- AGCX - PROCOR
- AGHX - Agrium, US
- AGLF - Atlantic and Gulf Railroad
- AGPX - AG Processing, Inc.
- AGR - Alabama and Gulf Coast Railway
- AGS - Alabama Great Southern Railroad
- AJPX - North American Chemical Company
- AKMD - Arkansas Midland Railroad
- ALAX - Lyondell Petrochemical
- ALM - Arkansas, Louisiana and Mississippi Railroad
- ALNX - Government of Alberta
- ALPX - Government of Alberta
- ALS - Alton and Southern
- ALY - Allegheny and Eastern
- AM - Arkansas and Missouri Railroad
- AMC - Amador Central
- AMCX - Amoco Oil Company
- AMGX - AMG Resources Corporation
- AMOX - Amoco Oil Company
- AMSX - AllTrans Management Services Corporation
- AMTK - Amtrak
- AN - Apalachicola Northern Railroad
- ANR - Angelina and Neches River Railroad
- AOK - Arkansas-Oklahoma Railroad
- APRX - Air Products and Chemicals Company
- ARA - Arcade & Attica Railroad
- ARPX - Arco Products Company
- ARR - Alaska Railroad
- ARSX - Aristech Chemical Corporation
- ASAB - Atlanta and St. Andrews Bay Railway
- ASCX - Algoma Steel Corporation
- ASHX - American Soda, LLP
- ATGX - ATEL Leasing Corporation
- ATSF - Atchison, Topeka & Santa Fe Railroad
- ATTX - TTX Corporation
- ATW - Atlantic and Western
- AWXX - East Carbon Development Company
B
- BALX - Bayer Corporation
- BAR - Bangor & Aroostook Railroad
- BAWX - Babcock and Wilcox Company
- BAYX - Bayer Corporation
- BCH - British Columbia Hydro
- BCIT - British Columbia Rail
- BCK - Buffalo Creek Railroad
- BCLR - Bay Colony Railroad
- BCOL - British Columbia Rail
- BGFX - Oxy Vinyls
- BFPX - Besse Forest Products
- BJOX - Citicorp Railmark, Inc.
- BKTY - Missouri-Kansas-Texas Railroad
- BLE - Bessemer and Lake Erie Railroad
- BM - Boston & Maine Corporation
- BMS - Berlin Mills Railway
- BMT - Brooklyn-Manhattan Transit
- BN - Burlington Northern Railroad
- BNSF - Burlington Northern Santa Fe Railway
- BO - Baltimore and Ohio Railroad
- BOCT - Baltimore and Ohio Chicago Terminal Railroad
- BPRR - Buffalo and Pittsburgh Railroad
- BR - Bradford Industrial Rail, Inc.
- BRAN - Brandon Corporation
- BRC - Belt Railway of Chicago
- BRIX - Incobrasa Industries
- BRSR - Blue Ridge Scenic Railway
- BSOR - Buffalo Southern Railroad
- BWCX - GE Plastics
C
- CABX - Cabot Carbon
- CAGX - MHC, Inc. (subsidiary of ConAgra)
- CAGY - Columbus and Greenville Railway
- CANX - CANAC International
- CASO - Canada Southern Railway
- CBC - Chemin de Fer Baie des Chaleurs, Inc. (Canada)
- CBQ - Chicago, Burlington and Quincy Railroad
- CBRW - Columbia Basin Railroad
- CC - Chicago Central
- CCLX - Crystal Car Lines
- CCPX - Canadian Chemical Producers
- CCX - Columbian Chemicals Company
- CDPX - Chevron USA, Inc.
- CEFX - CIT Equipment Finance Corporation
- CELX - Celtran, Inc.
- CEWX - Canadian Enterprise Gas Products
- CFMG - Chemin de Fer de MataPédia et Gaspésie (Canada)
- CFWR - Caney Fork and Western Railway
- CGCX - Continental Grain Company
- CGEX - Cargill, Inc.
- CGLX - Canadian General Transit
- CGOX - Cargill, Inc.
- CGTX - Canadian General Transit
- CGW - Chicago Great Western Railway
- CHSX - Cenex Harvest States Cooperative
- CHTT - Missouri Pacific
- CHVX - Chevron Chemical Company
- CIC - Cedar Rapids and Iowa City Railway (Crandic)
- CITX - PLM International
- CLC - Columbia and Cowlitz Railway
- CLP - Clarendon and Pittsford Railroad
- CMO - Chicago, St. Paul, Minneapolis & Omaha Railway
- CN - Canadian National Railway
- CNA - Canadian National Railway
- CNHX - Ontario Power Generation
- CNIS - Canadian National Railway
- CNJ - Central Railroad of New Jersey
- CNLX - CANAC International
- CNW - Chicago and Northwestern
- CNWX - Canadian Wheat Board
- CO - Chesapeake & Ohio; Chessie System; CSX Transportation
- COCX - Chevron Oronite Company, LLC
- CORP - Central Oregon and Pacific
- CP - Canadian Pacific Railway
- CPAA - Canadian Pacific Railway
- CPCX - Chevron Phillips Chemical Company
- CPHX - Ontario Power Generation
- CPI - Canadian Pacific Railway
- CPLX - CPLX Leasing
- CPWX - Canadian Wheat Board
- CR - Conrail
- CRGX - Cargill, Inc.
- CRIX - Citicorp Railmark, Inc.
- CRLE - Coe Rail, Inc.
- CRPX - Centennial Gas Liquids
- CSTX - Canadian Starch Company (Casco)
- CSX - CSX Transportation
- CSXT - CSX Transportation
- CSYX - Central Soya
- CTNX - Continental Carbon
- CTRN - Central of Tennessee Railway
- CTRW - Carlton Trail Railway
- CV - Central Vermont Railway
- CVC - Central Vermont Railway
- CW - Colorado and Wyoming Railroad
D
- DBCX - BASF Corporation
- DBUX - CIT Equipment Finance Corporation
- DCBX - DeGussa Engineered Carbons, LLP
- DCI - Des Moines and Central Iowa
- DCTX - PLM International
- DEEX - Detroit Edison
- DGHX - North American Chemical Company
- DJJX - Joseph Transportation, Inc.
- DL - Delaware Lackawanna
- DLPX - DeGussa Canada, Ltd.
- DME - Dakota, Minnesota and Eastern
- DMIR - Duluth, Missabe & Iron Range
- DODX - United States Department of Defense
- DONX - Donnelly Commodities Company
- DOWX - Dow Chemical Company
- DR - Dardanelle and Russellville Railroad
- DREX - ProTrade Steel Company
- DRG - Denver & Rio Grande Railroad
- DRGW - Denver & Rio Grande Western Railroad; Southern Pacific Railroad; Union Pacific Railroad
- DSSA - Duluth, South Shore and Atlantic Railroad
- DTI - Detroit, Toledo & Ironton Railroad
- DTTX - Trailer Train Corporation; TTX Corporation
- DUPX - Dupont
- DWC - Duluth, Winnipeg & Pacific
- DWP - Duluth, Winnipeg & Pacific
E
- EAGX - Eaglebrook, Inc.
- ECQX - Engineered Carbons
- ECUX - Exxon-Mobil Corporation
- ECXX - ECDC Environmental, LC
- EEC - East Erie Commerical Railroad
- EJE - Elgin, Joliet and Eastern
- EL - Erie Lackawanna Railroad
- ELS - Escanaba and Lake Superior
- ELTX - Soltex Polymers, Inc.
- EN - Esquimalt and Nanaimo
- ENGX - Englehard Corporation
- EQUX - Equistar Chemicals
- ERIE - Erie Railroad
- ETCX - Eastman Chemical Company
- ETMX - Etarco Rail Services Corporation
- ETR - Essex Terminal
- ETTX - TTX Corporation
- EURX - EuroCan Pulp and Paper
- EXMX - Express Marco Transportation
F
- FCTX - Farmers' Commodities Transportation
- FEC - Florida East Coast Railway
- FGEX - Fruit Growers Express
- FINX - Trinity Rail Management, Inc.
- FL - Family Lines System
- FLIX - Farmland Industries, Inc.
- FLOX - Flex Leasing Company
- FMLX - FMC Corporation
- FMOX - FMC Corporation
- FNM - Ferrocarriles Nacionales de Mexico
- FRV - Fox River Valley Railroad; Wisconsin Central
- FURX - First Union Rail
G
- GACX - GATX Corporation
- GAMX - Arrendadora Nacional De Carros De Ferrocaril
- GAPX - Georgia Gulf Corporation
- GATX - GATX Corporation
- GBW - Green Bay & Western
- GCFX - Alstom Canada Transport
- GCPX - Georgia Gulf Corporation
- GCSF - Gulf, Colorado & Santa Fe Railroad
- GGCX - Georgia Gulf Corporation
- GLCX - Great Lakes Carbon
- GLNX - GLNX Corporation
- GMO - Gulf, Mobile & Ohio Railroad
- GMRC - Green Mountain Railroad
- GN - Great Northern Railroad
- GNBC - Farmrail
- GNRR - Georgia Northeastern Railroad
- GNWR - Genessee & Wyoming
- GOCX - Chevron Phillips Chemical Company
- GONX - TTX Corporation
- GPFX - GATX Corporation
- GRNW - Great Northwest Railroad
- GRPX - General Chemical
- GSNX - Helm Financial Corporation
- GT - Grand Trunk Railway
- GTW - Grand Trunk Western
- GVDX - Oxy Vinyls
- GVSR - Galveston Railroad
- GWRC - Georgia Woodlands Railroad
H
- HCBX - Chevron Phillips Chemical Company
- HCGX - North American Salt Company
- HCRY - Huron Central Railway
- HCSX - Helm Chesapeake, LLP
- HEPX - Hydro One
- HESR - Huron and Eastern Railway
- HHCX - Huntsman LLC
- HLCX - Helm Leasing Company
- HLSC - Hampton Railway
- HLTX - Amoco Oil Company
- HLMX - Helm Financial Corporation
- HMAX - Huntsman Petrochemical
- HOKX - Hooker Chemical; Occidental Chemical Company
- HPIX - Besell USA, Inc.
- HPJX - Helm-Pacific Leasing
- HPLX - Exxon-Mobil Corporation
- HS - Housatonic Southern
- HTTX - TTX Corporation
I
- IAIS - Iowa Interstate Railroad
- IAPX - Air Liquide America Corporation
- IATR - Iowa Traction Railroad
- IBT - International Bridge and Terminal
- IC - Illinois Central Railroad
- ICCX - International Catalyst Corporation
- ICE - Iowa, Chicago and Eastern Railroad
- ICG - Illinois Central Gulf Railroad
- ICMX - Illinois Cereal Mills, Inc.
- IHB - Indiana Harbor Belt Railroad
- IMCX - IMC Global Operations
- IMRL - Illinois & Missouri Rail Link
- IMTX - AG Processing, Inc.
- INCX - INCO, Ltd.
- INFX - Infineum USA, Ltd.
- IREX - IRECO, Inc.
- ITC - Illinois Terminal
J
- JACX - Johnstown America Corporation
- JHPX - NOVA Chemicals
- JJJX - JJ Railcar Leasing, Ltd.
- JMHX - J. M. Huber
- JRSX - J. R. Simplot Company
- JTIX - Joseph Transportation, Inc.
K
- KCDX - Eastman Kodak Company
- KCPX - Kemira Chemicals Canada, Inc.
- KCS - Kansas City Southern Railway
- KEYX - Keywell Corporation
- KPRR - Kodak Park Railroad
- KRL - Kasgro Rail Lines
L
- LAHX - Transportation Equipment, Inc.
- LAL - Livonia, Avon & Lakeville Railroad
- LBR - Lowville and Beaver River Railroad
- LCGX - Continental Grain Company
- LIRR - Long Island Rail Road
- LLPX - Locomotive Leasing Partners
- LMWX - MHC, Inc. (subsidiary of ConAgra)
- LNAC - Louisville, New Albany and Croydon Railroad
- LRWN - Little Rock and Western Railroad
- LUCX - Services Unlimited
- LV - Lehigh Valley Railroad
- LVRC - Lamoille Valley Railroad
- LW - Louisville and Wadley
M
- MB - Meridian and Bigbee
- MBLX - Exxon-Mobil Corporation
- MCRR - Monongahela Connecting Railroad
- MCRY - Mid Continent Railway
- MDTX - Merchants Despatch
- MDW - Minnesota, Dakota and Western Railroad
- MEC - Maine Central Railroad
- MILW - Chicago, Milwaukee, St. Paul & Pacific Railroad (Milwaukee Road)
- MKT - Missouri-Kansas-Texas Railroad
- MLLX - Montell USA
- MMA - Montral, Maine and Atlantic
- MNS - Minneapolis, Northfield and Southern
- MOBX - Exxon-Mobil Corporation
- MP - Missouri Pacific Railroad
- MR - McLeod Railway
- MRL - Montana Rail Link
- MS - Michigan Shore Railroad
- MSDR - Mississippi Delta Railroad
- MSE - Mississippi Export Railroad
- MSTL - Minneapolis & St. Louis Railway
- MTNX - Rocky Mountain Transportation Services
- MVRY - Mahoning Valley Railway
- MWCX - Midwest Railcar Corporation
N
- NAR - Northern Alberta Railway
- NATX - GE Capital Railcar Services
- NBIX - Bombardier Capital Rail, Inc.
- NBSR - New Brunswick Southern Railway
- NCHX - GE Capital Railcar Services
- NCIX - Nova Chemicals, Inc.
- NCLX - Nova Chemicals, Inc.
- NCUX - Newcourt Capital USA
- NDEM - Ferrocarriles Nacionales de Mexico
- NDYX - First Union Rail
- NECR - New England Central Railroad
- NFPX - Newaygo Forest Products, Ltd.
- NKCR - Nebraska, Kansas and Colorado Railnet, Inc.
- NKP - New York, Chicago & St. Louis Railroad (Nickel Plate Road); Norfolk Southern
- NOKR - Northwestern Oklahoma Railroad
- NOPB - New Orleans Public Belt Railway
- NOVX - Novell Polymers
- NP - Northern Pacific Railway
- NRLX - NorRail
- NS - Norfolk Southern Railroad
- NSAX - National Steel Corporation
- NSCX - National Steel Car Corporation
- NSHR - North Shore Railroad
- NVR - Northern Vermont Railroad
- NW - Norfolk & Western; Norfolk Southern
- NWP - Northwestern Pacific; Southern Pacific Railroad
- NWR - Nashville and Western Railroad
- NYC - New York Central Railroad; CSX Transportation (after Conrail breakup)
- NYLE - New York & Lake Erie Railroad
- NYSW - New York, Susquehanna and Western Railroad
O
- OAR - Old Augusta Railroad
- OCCX - Occidental Chemical Company
- OCPX - Occidental Chemical Company; Oxy Vinyls
- OHCR - Ohio Central Railroad
- OLNX - Olin Corporation
- OLYR - Olympic Railroad
- ONT - Ontario Northland
- ONTA - Ontario Northland
- OSL - Oregon Short Line; Union Pacific Railroad
- OTTX - TTX Corporation
P
- PBFX - IBP, Inc.
- PC - Penn Central Railroad
- PCA - Penn Central Railroad
- PCN - Point Comfort and Northern Railway
- PE - Pacific Electric Railway
- PENX - Penford Products Company
- PGHX - Trinity Rail Management, Inc.
- PHD - Port Huron and Detroit
- PLCX - GE Capital Railcar Services
- PLMX - PLM International
- PLWX - GE Capital Railcar Services
- PM - Pere Marquette Railroad
- PMLX - Prairie Malt, Ltd.
- PPAX - PCS Phosphate Company
- PPGX - PPG Industries, Inc.
- PPHX - PCS Phosphate Company
- PPLX - Pennsylvania Power and Light Company
- PPNX - PCS Phosphate Company
- PPRX - Phillips Petroleum Company
- PRGX - ProGold, LLC
- PROX - PROCOR
- PRR - Pennsylvania Railroad; Norfolk Southern (after Conrail breakup)
- PRSL - Pennsylvania-Reading Seashore Lines
- PSPX - Phillips Petroleum Company
- PTEX - Canpotex
- PW - Providence and Western Railroad
Q
- QC - Quebec Central
- QCCX - Quantum Chemical Corporation
- QGRY - Quebec Gatineau Railway
- QOHX - Quaker Oats Company
- QTTX - TTX Corporation
R
- RBOX - TTX Corporation
- RCOX - Arco Products Company
- RCRX - Reagent Chemical and Research, Inc.
- RDG - Reading Railroad
- RFMX - Coldwell-Baker
- RFP - Richmond, Fredericksburg and Potomac
- RGCX - Rio Grande Chemical Sales Company
- RGS - Rio Grande Southern Railroad
- RGW - Rio Grande Western Railway
- RHRX - Rahr Malting Company
- RI - Chicago, Rock Island & Pacific Railroad (Rock Island)
- RIIX - Reilly Industries, Inc.
- RJCC - R. J. Corman Railroad
- ROCK - Chicago, Rock Island & Pacific Railroad (Rock Island)
- ROCX - Rocky Mountain Transportation Services
- ROIX - Shintech, Inc.
- RRRX - Rex Leasing, Inc.
- RS - Roberval and Saquenay
- RTTX - TTX Corporation
- RVLX - Reinhardt Vinegar
S
- SAL - Seaboard Air Line Railway
- SAMX - Cargill, Inc.
- SAUX - Sauvage Gas Company
- SBD - Seaboard System Railroad
- SBLX - Sunbelt/Chlor/Alkali Partnership
- SCGX - Eades Commodities
- SCJX - Chevron Phillips Chemical Company
- SCL - Seaboard Coast Line Railroad; CSX Transportation
- SCMX - Shell Oil Company
- SERA - Sierra Railroad
- SFRD - Atchison, Topeka and Santa Fe Railway (Santa Fe Refrigerated Despatch)
- SGLR - Seminole Gulf Railway
- SHPX - ACF Leasing
- SI - Spokane International; Union Pacific Railroad
- SIRX - Southern Illinois Railcar Corporation
- SKNX - Saskatchewan Grain Car Corporation
- SKOL - South Kansas and Oklahoma Railroad
- SKPX - Saskatchewan Grain Car Corporation
- SLC - San Luis Central Railroad
- SLGG - Sidney and Lowe Railroad
- SLR - St. Lawrence and Atlantic
- SLSF - St. Louis & San Francisco Railway (Frisco)
- SM - St. Mary's Railroad
- SMMX - St. Mary's Cement Company
- SMNX - Solvay Minerals, Inc.
- SOM - Somerset Railroad
- SOO - Soo Line Railroad
- SOU - Southern Railway; Norfolk Southern
- SP - Southern Pacific Railroad; Union Pacific Railroad
- SPFE - Pacific Fruit Express; Southern Pacific Railroad
- SPGX - Suburban Propane
- SRCX - Sid Richardson Carbon Company
- SRIX - Southwest Rail Indstries, Inc.
- SRLX - Swift Refrigerator Lines
- SRN - Sabine River and Northern Railroad
- SRY - Southern Railway of British Columbia
- SSAM - Sault Ste Marie Bridge Company (subsidiary of Wisconsin Central)
- SSW - St. Louis Southwestern Railway (Cotton Belt)
- ST - Springfield Terminal; Guilford Rail System
- STAX - OCI Chemical Corporation
- STE - Stockton Terminal and Eastern
- STEX - Sterling Chemicals, Inc.
- STSX - A. E. Staley Manufacturing
- SULX - Sultran
T
- TAG - Tennessee, Alabama and Georgia Railway
- TCIX - Trinity Chemical Leasing
- TCLX - Trinity Chemical Leasing
- TCMX - Transportation Company of America
- TCWR - Twin Cities and Western Railroad
- TEIX - Transportation Equipment, Inc.
- TELX - ELF Atochem North America, Inc.
- TFM - Grupo Transportacion Ferroviaria Mexicana
- TGCX - PolyOne Company
- TGIX - PCS Phosphate Company
- TGPX - Tamak Transportation Corporation
- TGSX - Tg Soda Ash, Inc.
- THB - Toronto, Hamilton and Buffalo
- THRX - Transportation Company of America
- TILX - Trinity Industries Leasing
- TIMX - Trinity Industries Leasing
- TJRX - S. M. Brooks Company
- TKEN - Tennken Railroad
- TLDX - GE Capital Railcar Services
- TOE - Texas, Oklahoma and Eastern
- TQEX - First Union Rail
- TR - Tomahawk Railway
- TRLX - Texas Railcar Leasing Company
- TRRA - Terminal Railroad Association of St Louis
- TSBY - Tuscola and Saginaw Bay Railway
- TSE - Texas Southeastern Railway
- TSRD - Twin State Railroad
- TTAX - TTX Corporation
- TTCX - TTX Corporation
- TTGX - TTX Corporation
- TTX - Trailer Train Corporation; TTX Corporation
- TTWX - TTX Corporation
U
- UCLX - Vulcan Minerals Company
- UELX - Archer Daniels Midland
- UNPX - PROCOR
- UP - Union Pacific Railroad
- UPFE - Pacific Fruit Express; Union Pacific Railroad
- URR - Union Railroad
- USLX - GE Capital Railcar Services
V
- VCY - Ventura County Railway
- VGN - Virginian Railway; Norfolk Southern
- VICX - Vista Chemical Company
W
- WAB - Wabash Railroad; Norfolk Southern
- WACX - PCS Phosphate Company
- WAGX - PCS Phosphate Company
- WEPX - Wisconsin Electric Power
- WFIX - First Union Rail
- WICT - Wisconsin & Calumet Railroad
- WITX - Continental Carbon
- WLPX - West Lake Polymers
- WP - Western Pacific Railroad
- WPY - White Pass and Yukon
- WREX -
- WRNX - Chevron USA, Inc.
- WSOR - Wisconsin & Southern Railroad
- WWLX - LaRoche Industries, Inc.
X
- XOMX - Exxon-Mobil Corporation
- XTRX - First Union Rail
Y
Z
- ZCAX - Zinc Corporation of America