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Railfan information The HotBox Today's random implausible lashup: CP 9506-NS 8444-CN 5453-UPY 2691-NS 6717-NS 6636-IC 6071-CN 2686 Site news |
This page is an index of the photos by their contents, as long as reporting marks are visible in the picture. It is far from complete and does not index photos which do not have visible reporting marks.
Legend:
* (ENG) indicates the picture is of or contains an engine
* (blurry) indicates the picture is blurred or unclear
* (partial) indicates that the car is not completely within the image frame
* (DUP) indicates that the item in question is listed on at least two different days
* (FAV) indicates that the item is one of my personal favourites, and will be cycled through the favourites section of the index page
The reporting marks are converted into company names using trainscan.com's Reporting Marks list, with modifications, addendums, and corrections..
This index is 94 % complete (76565 /80684 ), and lists 943 separate reporting marks totaling 32395 different engines and rolling stock.
| First encountered | Entries | Unique | Marks | Company |
| 2009-06-20 | 3 | 1 | ? | |
| 2007-08-25 | 9 | 4 | AA | Ann Arbor Railroad |
| 2007-05-06 | 37 | 2 | AARX | Association of American Railroads |
| 2003-11-01 | 18 | 14 | ABOX | TTX Company |
| 2004-03-28 | 46 | 1 | ABWX | Asea Brown Boveri Incorporated |
| 2004-11-06 | 11 | 6 | AC | Canadian National Railway (Algoma Central Railway Incorporated) |
| 2006-12-28 | 4 | 4 | ACCX | Consolidation Coal Company |
| 2003-02-01 | 635 | 448 | ACFX | General Electric Rail Services Corporation |
| 2003-07-01 | 16 | 13 | ACPX | BP Products North America Incorporated |
| 2003-11-29 | 8 | 5 | ACTX | Honeywell International Incorporated |
| 2005-12-30 | 35 | 20 | ADCX | Adirondack Scenic Railroad |
| 2003-04-09 | 140 | 114 | ADMX | ADM Transportation Company |
| 2006-04-01 | 1 | 1 | AEPX | American Electric Power Service |
| 2005-05-14 | 6 | 5 | AERC | Albany and Eastern Railroad Company |
| 2007-01-21 | 5 | 2 | AESX | General Electric Rail Services Corporation |
| 2003-04-26 | 168 | 127 | AEX | The Andersons |
| 2004-06-28 | 7 | 6 | AFPX | Honeywell International Incorporated |
| 2003-07-05 | 29 | 21 | AGCX | Procor Limited |
| 2005-01-24 | 3 | 2 | AGHX | Agrium US Incorporated |
| 2004-04-28 | 3 | 2 | AGLF | Knoxville and Holston River Railroad Company Incorporated |
| 2003-02-01 | 146 | 112 | AGPX | Ag Processing Incorporated |
| 2005-01-03 | 20 | 14 | AGR | Alabama and Gulf Coast Railway LLC |
| 2004-04-28 | 1 | 1 | AGYX | Centrex Construction Products Inc (American Gypsum Company) |
| 2009-04-11 | 8 | 8 | AIMX | |
| 2004-01-24 | 11 | 9 | AJPX | IMC Chemicals |
| 2006-01-07 | 4 | 3 | AKMD | Arkansas Midland Railroad Company |
| 2005-02-03 | 1 | 1 | ALAB | Alabama Railroad Company |
| 2003-07-17 | 19 | 16 | ALAX | Equistar Chemicals LP |
| 2007-05-28 | 6 | 6 | ALHX | Equistar Chemicals, LP |
| 2007-03-11 | 8 | 8 | ALLX | Alliance Machine Company |
| 2004-11-25 | 10 | 8 | ALM | Arkansas Louisiana and Mississippi Railroad Company |
| 2004-01-11 | 31 | 30 | ALNX | Alberta Government |
| 2004-04-05 | 24 | 17 | ALPX | Alberta Government |
| 2007-06-22 | 10 | 3 | ALUK | Alphaline - former British Railways (UK) |
| 2003-07-05 | 22 | 20 | ALY | Allegheny and Eastern Railroad Incorporated |
| 2004-05-16 | 2 | 1 | AM | Arkansas and Missouri Railroad Company |
| 2003-05-18 | 5 | 4 | AMC | Arkansas Louisiana and Mississippi Railroad Company |
| 2003-04-13 | 100 | 78 | AMCX | BP Amoco Chemical Company Chemical Division |
| 2004-09-29 | 32 | 22 | AMGX | AMG Resources Corporation |
| 2003-07-01 | 26 | 25 | AMOX | BP Products North America Incorporated |
| 2006-01-22 | 2 | 2 | AMPX | General Electric Rail Services Corporation |
| 2004-12-19 | 36 | 14 | AMT | Binary file reportingmarks.txt matches |
| 2003-04-19 | 487 | 200 | AMTK | National Railroad Passenger Corporation (AMTRAK) |
| 2004-04-09 | 2 | 1 | AN | AN Railway LLC |
| 2005-01-15 | 3 | 3 | ANAX | General Electric Rail Services Corporation |
| 2006-12-28 | 4 | 4 | ANGX | The Andersons - Rail Group |
| 2004-07-14 | 7 | 6 | ANR | Angelina and Neches River Railroad |
| 2007-12-22 | 11 | 11 | AOCX | Aluminum Company of America |
| 2003-02-01 | 169 | 153 | AOK | Arkansas-Oklahoma Railroad Incorporated |
| 2005-09-11 | 5 | 4 | APHX | Air Products Polymers LP |
| 2006-01-07 | 2 | 2 | APPX | Appalachian Railcar Services |
| 2005-11-05 | 12 | 7 | ARIX | General Electric Rail Services Corporation |
| 2004-10-23 | 7 | 1 | ARLX | Andres Reed Leasing |
| 2003-07-01 | 94 | 82 | ARMN | Union Pacific Railroad Company |
| 2004-03-08 | 1 | 1 | ARPX | BP Products North America Incorporated |
| 2004-05-05 | 1 | 1 | ARR | Alaska Railroad Corporation |
| 2003-03-29 | 20 | 15 | ARSX | Sunoco Incorporated (R and M) |
| 2009-06-15 | 8 | 3 | ARVA | |
| 2003-12-13 | 8 | 6 | ASAB | Bay Line Railroad LLC |
| 2004-02-28 | 17 | 16 | ASHX | American Soda LLP |
| 2004-04-10 | 21 | 19 | ATGX | ATEL Leasing Corporation |
| 2003-03-24 | 114 | 87 | ATSF | Burlington Northern and Santa Fe Railway Company |
| 2003-08-22 | 32 | 27 | ATTX | TTX Company |
| 2003-04-13 | 130 | 112 | ATW | Atlantic and Western Railway |
| 2009-06-20 | 4 | 1 | ATWU | Arriva Trains Wales (UK) |
| 2004-04-10 | 18 | 18 | AWXX | East Carbon Development Company |
| 2004-09-12 | 2 | 1 | AZXX | Arizona Chemical Company |
| 2006-06-24 | 2 | 1 | BAEX | The Andersons |
| 2004-01-24 | 9 | 9 | BALX | Bayer Corporation |
| 2003-03-29 | 93 | 71 | BAR | Bangor and Aroostook Railroad Company now MMA |
| 2003-04-26 | 13 | 2 | BAWX | Babcock and Wilcox Company |
| 2007-06-09 | 1 | 1 | BAYL | Bay Line Railroad LLC |
| 2006-03-18 | 1 | 1 | BAYX | Bayer Corporation |
| 2009-06-17 | 2 | 2 | BBA | |
| 2008-03-22 | 1 | 1 | BBGX | Greenbrier Companies |
| 2007-06-03 | 1 | 1 | BCCX | Border Chemical Company Limited |
| 2003-07-27 | 16 | 12 | BCIT | BC Rail Limited |
| 2004-08-08 | 3 | 2 | BCLR | Bay Colony Railroad Corporation |
| 2003-04-13 | 186 | 138 | BCOL | BC Rail Limited |
| 2004-04-09 | 23 | 18 | BFGX | Oxy Vinyls LP |
| 2004-09-12 | 11 | 6 | BFPX | Besse Forest Products |
| 2006-09-10 | 11 | 11 | BFTX | Bill Frank Trucking |
| 2008-09-07 | 4 | 1 | BHPA | Broken Hill Proprietary Company (Australia) |
| 2006-12-29 | 8 | 2 | BHRX | Bellefonte Historical Railway |
| 2004-03-28 | 6 | 4 | BJOX | Citicorp Railmark Incorporated |
| 2009-06-09 | 54 | 1 | BKRR | Batten Kill Railroad Company Incorporated |
| 2004-08-21 | 36 | 27 | BLE | Bessemer and Lake Erie Railroad Company |
| 2003-05-18 | 62 | 37 | BM | Boston and Maine Corporation |
| 2005-12-22 | 6 | 1 | BMS | St. Lawrence and Atlantic Railroad Company (GWI) |
| 2003-02-01 | 154 | 126 | BN | Burlington Northern and Santa Fe Railway Company |
| 2009-05-11 | 11 | 11 | BNBX | |
| 2005-04-01 | 5 | 5 | BNFE | Burlington Northern and Santa Fe Railway Company |
| 2003-02-01 | 1441 | 449 | BNSF | Burlington Northern and Santa Fe Railway Company |
| 2005-01-27 | 8 | 5 | BO | CSX Transportation Incorporated |
| 2007-08-25 | 4 | 2 | BOMX | Baltimore & Ohio Railroad Museum, Inc. |
| 2004-01-11 | 10 | 10 | BORX | US Borax Incorporated |
| 2004-07-17 | 120 | 45 | BPRR | Buffalo and Pittsburgh Railroad Incorporated |
| 2006-05-20 | 9 | 9 | BPRX | BP AMOCO Chemical Co. Chemical Division |
| 2004-03-01 | 22 | 14 | BR | Bradford Industrial Rail Incorporated |
| 2003-05-03 | 41 | 28 | BRAN | Brandon Corporation |
| 2005-06-18 | 6 | 6 | BRAX | CIT Group/Capital Finance Incorporated |
| 2005-07-14 | 8 | 8 | BRCX | Bunge North America Incorporated |
| 2003-03-09 | 16 | 12 | BRIX | Union Tank Car Company |
| 2008-06-28 | 1 | 1 | BRRX | Brooklyn Resource Recovery Incorporated |
| 2009-06-16 | 81 | 15 | BRUK | British Railways (UK) |
| 2008-06-28 | 13 | 3 | BSOR | Buffalo Southern Railroad Incorporated |
| 2009-06-19 | 10 | 9 | BSSC | |
| 2005-10-16 | 4 | 1 | BTCX | Everest Railcar Services |
| 2004-04-26 | 5 | 3 | BTRX | Rocky Mountain Transportation Services |
| 2003-03-26 | 58 | 46 | BTTX | TTX Company |
| 2003-06-14 | 12 | 11 | BWCX | GE Plastics |
| 2003-04-09 | 94 | 63 | CABX | Cabot Corporation |
| 2004-03-19 | 20 | 19 | CAGX | MHC Incorporated Subsidiary of ConAgra |
| 2003-07-11 | 14 | 12 | CAGY | Columbus and Greenville Railway Company |
| 2006-04-16 | 2 | 1 | CALX | California Railcar Corporation |
| 2004-05-21 | 1 | 1 | CANX | CANAC International Incorporated |
| 2006-06-24 | 1 | 1 | CBQ | Burlington Northern and Santa Fe Railway Company |
| 2004-03-19 | 21 | 17 | CBRY | Copper Basin Railway Incorporated |
| 2003-05-29 | 49 | 46 | CC | Chicago Central and Pacific Railroad Company |
| 2003-03-24 | 61 | 50 | CCBX | Union Carbide Corporation |
| 2005-06-02 | 41 | 2 | CCGX | Cando Contracting Limited |
| 2003-04-11 | 68 | 54 | CCLX | Crystal Car Line Incorporated |
| 2005-03-30 | 3 | 3 | CCR | Kansas City Southern Railway Company |
| 2005-12-23 | 4 | 1 | CCRR | Claremont Concord Railroad Corporation |
| 2009-06-17 | 54 | 23 | CCUK | Cross-Country (UK) |
| 2003-07-01 | 63 | 53 | CCX | Columbian Chemicals Co (Subsidiary of Phelps Dodge Corporation) |
| 2005-12-21 | 84 | 2 | CDAC | Canadian American Railroad Company (now MMA) |
| 2005-05-15 | 1 | 1 | CDCX | Air Liquide America Corporation |
| 2008-06-29 | 4 | 4 | CDEX | Coastal Distribution, LLC |
| 2005-12-23 | 2 | 1 | CDHX | Caledonian Rail Lines LLC |
| 2003-03-26 | 1034 | 312 | CEFX | CIT Group/Capital Finance Incorporated |
| 2003-03-24 | 51 | 40 | CELX | Celtran Incorporated Subsidiary of Celanese International Corporation |
| 2007-08-28 | 2 | 2 | CEMX | Cemex Mexico SA de CV |
| 2003-05-18 | 2 | 2 | CERX | ER Carpenter LLP |
| 2004-03-10 | 1 | 1 | CEWX | Canadian Enterprise Gas Products |
| 2006-06-14 | 7 | 6 | CFL | Chemin de Fer de Lanaudiere |
| 2006-06-23 | 1 | 1 | CFLX | Crestbrook Forest Industries (captive service) |
| 2004-01-11 | 21 | 16 | CFMX | Cargill Incorporated |
| 2004-03-08 | 15 | 14 | CFWR | Caney Fork and Western Railroad |
| 2006-03-11 | 5 | 1 | CG | Norfolk Southern Railway Company |
| 2004-03-08 | 3 | 3 | CGCX | Cargill Incorporated C.G.D. Division |
| 2006-11-05 | 1 | 1 | CGDX | Eastern Propane Gas (Country Gas Distributors Incorporated) |
| 2003-05-18 | 9 | 9 | CGEX | Cargill Incorporated C.G.D. Division |
| 2003-02-10 | 243 | 178 | CGLX | GATX Rail Canada Corporation |
| 2004-04-10 | 36 | 24 | CGMX | GATX Rail Canada Corporation |
| 2004-01-24 | 4 | 3 | CGOX | Cargill Incorporated |
| 2006-10-07 | 1 | 1 | CGRX | Consolidated Grain and Barge Company |
| 2003-02-10 | 256 | 188 | CGTX | GATX Rail Canada Corporation |
| 2004-01-24 | 16 | 12 | CHSX | Cenex Harvest States Cooperative |
| 2003-05-18 | 43 | 27 | CHTT | Union Pacific Railroad Company |
| 2009-06-17 | 34 | 16 | CHUK | Chiltern (UK) |
| 2006-12-30 | 6 | 6 | CHUX | US Ecology Idaho, Inc. |
| 2003-05-18 | 31 | 31 | CHVX | Chevron Chemical Company |
| 2004-09-12 | 11 | 8 | CIC | Cedar Rapids and Iowa City Railway |
| 2007-08-18 | 3 | 2 | CIRR | Chattahoochee Industrial Railroad |
| 2003-02-01 | 63 | 53 | CITX | PLM International Incorporated |
| 2006-04-01 | 4 | 4 | CKIX | C.K. Industries |
| 2003-11-01 | 18 | 15 | CLC | Columbia and Cowlitz Railway Company |
| 2005-10-06 | 2 | 1 | CLIX | Calumet Lubricants |
| 2003-08-22 | 69 | 10 | CLP | Clarendon and Pittsford Railroad Company |
| 2004-12-20 | 24 | 16 | CLSX | Cargill Incorporated - Salt Division |
| 2006-12-31 | 6 | 4 | CMHX | CarMath Incorporated |
| 2005-10-10 | 107 | 85 | CMO | Union Pacific Railroad Company |
| 2006-10-07 | 3 | 3 | CMPX | Compass Capital Corp. |
| 2003-02-01 | 9673 | 2620 | CN | Canadian National Railway |
| 2003-02-10 | 713 | 592 | CNA | Canadian National Railway |
| 2003-02-15 | 259 | 208 | CNIS | Canadian National Railway |
| 2006-09-09 | 4 | 3 | CNJW | Central Railroad of New Jersey |
| 2003-02-15 | 380 | 241 | CNLX | CN Treasury Operations Limited (Canac?) |
| 2005-12-23 | 1 | 1 | CNRX | Canadian National Railway |
| 2006-09-09 | 4 | 1 | CNTP | Cincinnati New Orleans and Texas Pacific Railway Company |
| 2005-03-06 | 2 | 2 | CNTX | Continental Tank Car Corporation |
| 2003-03-24 | 158 | 109 | CNW | Union Pacific Railroad Company |
| 2003-02-15 | 232 | 196 | CNWX | Canadian Wheat Board |
| 2004-08-08 | 14 | 5 | CO | CSX Transportation Incorporated |
| 2004-03-28 | 9 | 9 | COCX | Chevron Oronite Company LLC |
| 2004-11-01 | 4 | 3 | CONX | Conoco Incorporated |
| 2004-06-29 | 5 | 3 | CORP | Central Oregon and Pacific Railroad Incorporated |
| 2003-02-01 | 11549 | 2619 | CP | Canadian Pacific Railway Company |
| 2003-02-01 | 179 | 151 | CPAA | Canadian Pacific Railway Company |
| 2005-01-27 | 7 | 6 | CPCX | Chevron Phillips Chemical Company LP |
| 2003-05-18 | 8 | 7 | CPDX | Chevron USA Incorporated |
| 2007-08-30 | 3 | 3 | CPGX | Chambers Cogeneration Limited Partnership |
| 2009-05-09 | 6 | 1 | CPHS | |
| 2005-01-19 | 2 | 2 | CPI | Canadian Pacific Railway Company |
| 2004-01-01 | 27 | 23 | CPLX | CPLX Leasing Limited |
| 2003-04-13 | 237 | 202 | CPWX | Canadian Wheat Board |
| 2003-04-09 | 196 | 144 | CR | Norfolk Southern Railway Company |
| 2003-04-13 | 190 | 139 | CRDX | Chicago Freight Car Leasing Company |
| 2003-05-02 | 48 | 43 | CRGX | Cargill Incorporated |
| 2005-03-08 | 24 | 12 | CRIX | Citicorp Railmark Incorporated |
| 2003-11-01 | 3 | 2 | CRL | Chicago Rail Link |
| 2003-02-01 | 94 | 79 | CRLE | Coe Rail Incorporated |
| 2007-05-05 | 1 | 1 | CRLX | Canadian Railserve Limited |
| 2004-01-03 | 8 | 4 | CRPX | Centennial Gas Liquide LLC |
| 2009-06-19 | 2 | 1 | CRUK | Cotswold Rail (UK) |
| 2006-12-28 | 6 | 5 | CRYX | Cryo-Trans Incorporated |
| 2004-12-20 | 8 | 2 | CSOR | Connecticut Southern Railroad |
| 2004-08-19 | 1 | 1 | CSP | Camas Prairie RailNet Incorporated |
| 2006-01-07 | 12 | 10 | CSS | Chicago SouthShore and South Bend Railroad |
| 2006-09-10 | 1 | 1 | CSTX | Canada Starch Company Incorporated |
| 2003-02-01 | 1923 | 653 | CSXT | CSX Transportation Incorporated |
| 2003-08-17 | 11 | 6 | CSYX | Central Soya Company Incorporated |
| 2009-01-10 | 4 | 3 | CTCX | Endasa SA de CV |
| 2006-01-07 | 2 | 1 | CTIX | Southeastern Industrial Enterprises Incorporated |
| 2003-04-11 | 14 | 10 | CTRN | Union Pacific Railroad Company |
| 2007-06-23 | 4 | 3 | CTUK | Central Trains (UK) |
| 2005-12-04 | 21 | 17 | CUOH | Columbus and Ohio River Rail Road Company |
| 2003-03-01 | 32 | 27 | CV | Grand Trunk Western Railroad Incorporated (CN) |
| 2003-03-29 | 102 | 89 | CVC | Canadian National Railway |
| 2005-10-27 | 15 | 3 | CVRD | Companhia Vale do Rio Doce (Brasil) |
| 2004-01-11 | 13 | 11 | CW | Colorado and Wyoming Railway Company |
| 2005-07-16 | 8 | 3 | CWBX | C. W. Brooks Incorporated |
| 2006-06-24 | 1 | 1 | CWEX | Midwest Generation LLC |
| 2006-01-07 | 8 | 8 | CWSX | Cardella Waste Services |
| 2003-05-02 | 5 | 3 | DACX | VIP Tank Services |
| 2006-11-05 | 2 | 1 | DAX | Occidental Chemical Corporation |
| 2003-09-28 | 39 | 31 | DBCX | BASF Corporation |
| 2004-12-20 | 15 | 14 | DBUX | CIT Group/Capital Finance Incorporated |
| 2005-11-05 | 11 | 9 | DCBX | Degussa Corporation |
| 2003-05-19 | 54 | 40 | DCLX | Dow Chemical Canada Incorporated |
| 2003-03-29 | 26 | 19 | DCTX | PLM International Incorporated |
| 2008-09-07 | 10 | 2 | DE | |
| 2004-02-22 | 1 | 1 | DEEX | Detroit Edison Company |
| 2004-11-22 | 1 | 1 | DGCX | Dakota Gasification Company |
| 2004-11-22 | 4 | 4 | DGHX | IMC Chemicals |
| 2006-04-09 | 67 | 6 | DH | Delaware and Hudson Railway Company Incorporated |
| 2009-01-10 | 2 | 2 | DISX | |
| 2003-04-13 | 46 | 38 | DJJX | Joseph Transportation Incorporated |
| 2006-12-30 | 1 | 1 | DJLX | Joseph Leasing Limited |
| 2007-05-26 | 1 | 1 | DJTX | Joseph Transportation Incorporated |
| 2007-09-15 | 1 | 1 | DLPX | DeGussa Canada Limited |
| 2004-03-28 | 16 | 13 | DLRX | General Electric Rail Services Corporation |
| 2005-12-30 | 45 | 14 | DLW | Delaware-Lackawanna Railroad Company |
| 2005-12-30 | 76 | 9 | DLWR | Depew Lancaster and Western Railroad Company Incorporated |
| 2003-04-11 | 130 | 105 | DME | Dakota Minnesota and Eastern Railroad Corporation |
| 2006-05-19 | 15 | 3 | DMIR | Duluth Missabe and Iron Range Railway Company |
| 2004-11-06 | 15 | 13 | DMIX | ADM Transportation |
| 2003-07-01 | 44 | 20 | DMLX | General Electric Rail Services Corporation |
| 2005-01-27 | 11 | 10 | DMM | Dansville and Mount Morris Railroad Company |
| 2003-07-05 | 11 | 10 | DOCX | Du Pont Canada Incorporated |
| 2004-06-16 | 12 | 5 | DONX | Donnelly Commodities Co. |
| 2003-03-24 | 161 | 141 | DOWX | Dow Chemical Company |
| 2004-06-03 | 2 | 2 | DR | Dardanelle and Russellville Railroad Incorporated |
| 2006-11-05 | 2 | 2 | DREX | ProTrade Steel Company Limited |
| 2004-03-01 | 18 | 10 | DRGW | Union Pacific Railroad Company |
| 2008-06-28 | 1 | 1 | DRGX | Denver and Royal Gorge Railway LLC |
| 2007-06-23 | 24 | 8 | DRS | Direct Rail Services (UK) |
| 2007-06-23 | 20 | 11 | DRUK | Maintenance of Way (UK) |
| 2008-07-05 | 2 | 2 | DSRC | Dakota Southern Railway Company |
| 2007-08-26 | 1 | 1 | DSSX | Detroit Salt Company LLC |
| 2003-03-29 | 27 | 17 | DTI | Grand Trunk Western Railroad Incorporated (CN) |
| 2009-04-11 | 1 | 1 | DTLX | Delta Tank Line Company |
| 2003-09-28 | 4 | 2 | DTS | Grand Trunk Western Railroad Incorporated (CN) |
| 2003-02-10 | 1107 | 912 | DTTX | TTX Company |
| 2003-09-21 | 1 | 1 | DUCX | Du Pont Canada Incorporated |
| 2003-05-03 | 30 | 28 | DUPX | Du Pont De Nemours and Company Incorporated |
| 2007-06-03 | 1 | 1 | DVLX | Freeport-McRo-Ran Sulphur Company |
| 2003-02-15 | 127 | 114 | DWC | Canadian National Railway |
| 2005-05-06 | 12 | 2 | DWP | Duluth Winnipeg and Pacific Railway |
| 2006-12-30 | 2 | 2 | EAFX | Rail Logistics, LC |
| 2004-03-22 | 8 | 5 | EAGX | Eaglebrook Incorporated |
| 2008-06-29 | 2 | 2 | EAMX | Everest Railcar Services, Inc. |
| 2006-01-30 | 40 | 8 | EAR | East Africa Railway |
| 2008-03-29 | 1 | 1 | ECLX | ELM-Central Rail Leasing LP |
| 2005-04-01 | 2 | 1 | ECOX | Eco East |
| 2005-03-29 | 9 | 9 | ECOZ | Ecorail Incorporated |
| 2003-04-13 | 12 | 10 | ECQX | Engineered Carbons Incorporated |
| 2008-02-03 | 250 | 31 | ECR | EuroCargo Rail (France) |
| 2003-05-18 | 55 | 35 | ECUX | Exxon Mobil Corporation |
| 2004-05-21 | 13 | 10 | ECXX | ECDC Environmental LC |
| 2003-12-20 | 90 | 76 | EEC | East Erie Commercial Railroad |
| 2007-02-20 | 49 | 7 | EFC | E. F. Carajas (Brasil) |
| 2009-02-22 | 74 | 31 | EGRY | Egyptian Railway |
| 2007-03-25 | 2 | 1 | EHSX | Essex Hybrid Seed Company Incorporated |
| 2003-04-13 | 21 | 19 | EJE | Elgin Joliet and Eastern Railway Company |
| 2009-05-08 | 2 | 1 | EL | Norfolk Southern Railway Company |
| 2005-05-18 | 2 | 1 | ELCX | Eli Lilly and Company |
| 2005-11-27 | 8 | 4 | ELS | Escanaba and Lake Superior Railroad Company |
| 2003-04-13 | 29 | 27 | ELTX | Soltex Polymer Corporation |
| 2004-02-22 | 67 | 13 | EMDX | General Motors |
| 2009-06-19 | 8 | 3 | EMUK | East Midlands (UK) |
| 2003-05-03 | 29 | 22 | ENGX | Englehard Corporation |
| 2004-10-28 | 6 | 6 | EPAX | Exxon Mobil Corporation |
| 2005-12-30 | 1 | 1 | EPIX | EPIC |
| 2004-10-30 | 2 | 1 | EPRY | East Penn Railway Incorporated |
| 2003-03-24 | 58 | 41 | EQUX | Equistar Chemicals |
| 2005-09-17 | 6 | 1 | ERCX | EXCEL Railcar Corporation |
| 2008-06-29 | 8 | 1 | ERIE | |
| 2007-12-22 | 1 | 1 | ESIX | EnviroSolutions, Inc. |
| 2009-06-16 | 1 | 1 | ESSO | |
| 2003-02-10 | 18 | 17 | ETCX | Eastman Chemical Company Incorporated |
| 2003-08-24 | 11 | 2 | ETMX | Etarco Rail Services Incorporated |
| 2003-10-05 | 8 | 1 | ETR | Essex Terminal Railway Company |
| 2003-02-01 | 262 | 243 | ETTX | TTX Company |
| 2006-12-29 | 53 | 2 | EV | Everett Railroad Company |
| 2009-06-16 | 4 | 4 | EW | |
| 2006-02-12 | 248 | 84 | EWS | English, Welsh & Scottish Railway Ltd (UK) |
| 2004-03-28 | 22 | 19 | FBOX | TTX Company |
| 2003-07-05 | 7 | 5 | FCCM | Compania de Ferrocarriles Chiapas Mayab SA de CV |
| 2004-09-12 | 3 | 1 | FCEN | Florida Central Railroad Company Incorporated |
| 2004-04-26 | 6 | 6 | FCTX | Farmers Commodities Transportation |
| 2003-05-03 | 134 | 99 | FEC | Florida East Coast Railway Company |
| 2005-12-22 | 95 | 20 | FGLK | Finger Lakes Railway Corporation |
| 2006-09-10 | 1 | 1 | FGLX | Factor Gas Liquids Incorporated |
| 2006-02-12 | 255 | 136 | FGW | First Great Western (UK) |
| 2003-02-10 | 18 | 16 | FINX | Trinity Rail Management Incorporated |
| 2007-01-21 | 143 | 33 | FL | Freightliner (UK) |
| 2004-11-06 | 1 | 1 | FLAX | Flexsys America LP |
| 2009-06-19 | 1 | 1 | FLHH | |
| 2004-07-14 | 9 | 4 | FLIX | Farmland Industries Incorporated |
| 2003-04-13 | 20 | 20 | FLOX | Flex Leasing Corporation |
| 2009-06-17 | 13 | 4 | FLUK | Fastline (UK) |
| 2005-12-08 | 11 | 10 | FMLX | FMC Corporation |
| 2003-04-13 | 70 | 53 | FPAX | Formosa Transrail Corporation |
| 2007-05-27 | 1 | 1 | FPCX | Oxy Vinyls LP |
| 2007-01-14 | 14 | 9 | FPL | Freightliner (Poland) |
| 2005-05-15 | 7 | 5 | FPTX | Ferrous Processing and Trading Company |
| 2009-06-22 | 1 | 1 | FSA | |
| 2009-06-22 | 1 | 1 | FTA | |
| 2009-06-19 | 22 | 8 | FTP | First Trans-Pennine (UK) |
| 2003-02-01 | 157 | 132 | FTTX | TTX Company |
| 2003-04-09 | 291 | 157 | FURX | First Union Rail |
| 2008-04-27 | 9 | 9 | FWTX | American Railcar Leasing LLC |
| 2006-05-19 | 10 | 5 | FXE | Ferrocarril Mexicano SA de CV |
| 2003-04-11 | 149 | 123 | GACX | General American Marks Company |
| 2004-03-19 | 8 | 6 | GAMX | Arrendadora Nacional De Carros De Ferrocaril |
| 2003-04-11 | 6 | 5 | GAPX | Georgia Gulf Corporation-Plaquemine Division |
| 2003-02-01 | 982 | 777 | GATX | General American Marks Company |
| 2009-06-16 | 20 | 4 | GBRF | Great Britain Rail freight (UK) |
| 2005-03-30 | 17 | 14 | GBRX | Greenbrier Leasing Corporation |
| 2005-07-03 | 4 | 2 | GBW | Fox Valley and Western Limited |
| 2003-06-14 | 46 | 41 | GCCX | General American Marks Company |
| 2003-02-15 | 131 | 27 | GCFX | Alstom Canada Incorporated - Transport |
| 2004-04-26 | 3 | 3 | GCPX | Georgia Gulf Corporation PVC Division |
| 2006-01-07 | 21 | 11 | GDJX | Grimmel Industries |
| 2004-04-05 | 11 | 3 | GECX | General Electric Company Transportation Systems Business Operations |
| 2006-06-30 | 1 | 1 | GERX | Gershow Recycling Corp. |
| 2003-02-15 | 1172 | 10 | GEXR | Goderich-Exeter Railway Company Limited (Rail America) |
| 2007-03-27 | 14 | 10 | GFCX | Glens Falls Lehigh Cement Company |
| 2006-06-23 | 1 | 1 | GFLX | Greenfield Logistics LLC |
| 2003-05-18 | 198 | 117 | GFSX | General American Marks Company |
| 2003-06-14 | 13 | 10 | GGCX | Georgia Gulf Corporation-Plaquemine Division |
| 2006-01-07 | 2 | 1 | GGPX | General American Marks Company |
| 2006-12-31 | 3 | 2 | GIEX | General American Marks Company |
| 2006-12-28 | 13 | 12 | GIMX | General American Marks Company |
| 2007-08-25 | 1 | 1 | GLC | Great Lakes Central |
| 2004-09-22 | 22 | 19 | GLCX | Great Lakes Carbon Corporation |
| 2003-12-20 | 34 | 27 | GLNX | GLNX Corporation |
| 2005-06-27 | 1 | 1 | GLSR | Gloster Southern Railroad Corporation |
| 2003-02-10 | 221 | 118 | GMRC | Green Mountain Railroad Corporation |
| 2004-05-07 | 1 | 1 | GMSR | Kansas City Southern Railway Company |
| 2007-08-25 | 1 | 1 | GMTX | General American Marks Company |
| 2006-06-24 | 2 | 1 | GN | Burlington Northern and Santa Fe Railway Company |
| 2007-06-18 | 13 | 10 | GNER | Great North Eastern Railway (UK) |
| 2003-04-13 | 43 | 38 | GNRR | Georgia Northeastern Railroad Company |
| 2004-11-25 | 15 | 8 | GNTX | TTX Company |
| 2003-04-11 | 78 | 54 | GNWR | Genesee and Wyoming Railroad Company |
| 2003-02-10 | 9 | 8 | GOCX | Chevron Phillips Chemical Company LP |
| 2005-01-19 | 8 | 6 | GONX | TTX Company |
| 2003-02-01 | 819 | 269 | GOT | Toronto Area Transit Operating Authority |
| 2003-02-01 | 38 | 30 | GPFX | General American Marks Company |
| 2003-05-03 | 121 | 69 | GPLX | General American Marks Company |
| 2007-05-19 | 1 | 1 | GPPX | Georgia-Pacific Corporation |
| 2007-07-20 | 35 | 16 | GREX | Georgetown Rail Equipment Company |
| 2003-05-02 | 5 | 4 | GROX | First Union Rail |
| 2003-05-03 | 13 | 11 | GRPX | CIT Group/Capital Finance Group |
| 2004-12-20 | 203 | 3 | GSCX | General American Marks Company |
| 2005-09-07 | 20 | 2 | GSWR | Georgia Southwestern Division South Carolina Centrao Railroad Company |
| 2004-09-12 | 1 | 1 | GTRA | Golden Triangle Railroad |
| 2008-03-15 | 8 | 4 | GTTX | TTX Company |
| 2003-03-01 | 530 | 397 | GTW | Grand Trunk Western Railroad Incorporated (CN) |
| 2004-04-09 | 10 | 9 | GVDX | Oxy Vinyls LP |
| 2003-04-26 | 117 | 96 | GVSR | Galveston Railroad LP |
| 2007-12-20 | 3 | 3 | GWIX | GWI Leasing Corporation |
| 2003-04-13 | 1 | 1 | GWRC | Georgia Woodlands Railroad Company |
| 2007-06-24 | 65 | 23 | GWRE | Great Western Railway (UK museum) |
| 2005-07-16 | 4 | 1 | GWWD | Greater Winnipeg Water District |
| 2004-03-08 | 6 | 3 | HARX | General Electric Rail Services Corporation |
| 2004-12-21 | 5 | 1 | HATX | Helm Financial Corporation |
| 2006-02-12 | 6 | 4 | HC | Heathrow Connect (UK) |
| 2004-01-01 | 10 | 9 | HCBX | Chevron Phillips Chemical Company LP |
| 2006-01-07 | 1 | 1 | HCCX | Southeastern Industrial Enterprises Inc. |
| 2004-08-21 | 5 | 3 | HCGX | North American Salt Company |
| 2006-04-29 | 64 | 4 | HCRY | Huron Central Railway (GWI) |
| 2003-12-07 | 34 | 21 | HCSX | Helm Chesapeake LLP |
| 2005-07-24 | 161 | 11 | HCW | Hull, Chelsea, and Wakefield |
| 2004-10-01 | 12 | 7 | HDSX | RailAmerica Equipment Corporation |
| 2005-10-30 | 1 | 1 | HE | Hollis and Eastern Railroad Company |
| 2003-06-20 | 179 | 2 | HEPX | Hydro One (Ontario) |
| 2005-06-02 | 1 | 1 | HEQX | Helm Financial Corporation |
| 2003-05-03 | 10 | 8 | HESR | Huron and Eastern Railway Company |
| 2006-02-12 | 4 | 4 | HEXP | Heathrow Express (UK) |
| 2005-01-08 | 3 | 2 | HHCX | Huntsman Corporation |
| 2004-03-09 | 256 | 25 | HLCX | Helm Financial Corporation |
| 2003-12-07 | 56 | 44 | HLMX | Helm Financial Corporation |
| 2003-08-17 | 10 | 10 | HLSC | Hampton Railway Incorporated |
| 2004-01-01 | 17 | 14 | HLTX | BP AMOCO Chemical Company Chemical Division |
| 2003-07-11 | 23 | 10 | HMAX | Huntsman Corporation |
| 2006-09-10 | 4 | 4 | HMJX | Helm Financial Corporation |
| 2006-02-12 | 3 | 3 | HNSN | Hanson Aggregates (UK) |
| 2003-04-13 | 45 | 41 | HOKX | Occidental Chemical Corporation |
| 2003-03-29 | 51 | 39 | HPIX | Besell USA Incorporated |
| 2003-07-17 | 29 | 27 | HPJX | Helm-Pacific Leasing |
| 2004-01-11 | 17 | 14 | HPLX | Exxon Mobil Corporation |
| 2004-07-14 | 7 | 7 | HPPX | Huntsman Polypropylene Corporation |
| 2009-05-08 | 33 | 6 | HRRC | Housatonic Railroad Company |
| 2003-02-01 | 166 | 141 | HS | H and S Railroad Company Incorporated |
| 2003-07-01 | 109 | 79 | HTTX | TTX Company |
| 2005-11-12 | 52 | 39 | HZGX | Herzog Contracting Corporation |
| 2004-01-01 | 7 | 4 | IAIS | Iowa Interstate Railroad Limited |
| 2009-05-11 | 1 | 1 | IAPX | Air Liquide America Corporation |
| 2003-09-21 | 18 | 13 | IATR | Iowa Traction Railroad Company |
| 2003-05-03 | 24 | 24 | IBT | International Bridge and Terminal Company |
| 2003-02-15 | 760 | 429 | IC | Illinois Central Railroad Company (CN) |
| 2004-09-12 | 1 | 1 | ICCX | International Catalyst Corporation |
| 2004-08-21 | 110 | 83 | ICE | Iowa Chicago and Eastern Railroad Corporation |
| 2003-03-09 | 216 | 180 | ICG | Illinois Central Railroad Company (CN) |
| 2004-10-27 | 2 | 2 | ICLX | Intercoastal Leasing Incorporated |
| 2005-01-15 | 12 | 7 | ICMX | Cargill Dry Corn Ingredients Incorporated |
| 2009-06-15 | 7 | 3 | ICUK | InterCity (UK) |
| 2004-11-13 | 2 | 2 | IFBX | General Electric Rail Services Corporation |
| 2006-06-24 | 10 | 10 | IFRX | Infinity Rail, LLC |
| 2004-01-17 | 9 | 6 | IHB | Indiana Harbor Belt Railroad Company |
| 2006-06-24 | 2 | 1 | ILX | The Illuminating Company |
| 2003-04-26 | 25 | 21 | IMCX | IMC Global Operations Incorporated |
| 2003-04-11 | 63 | 50 | IMRL | Iowa Chicago and Eastern Railroad Corporation |
| 2006-01-07 | 6 | 1 | IMRR | Illinois and Midland Railroad |
| 2006-04-29 | 52 | 21 | INCX | INCO Limited |
| 2006-01-22 | 7 | 6 | INEX | INEOS Styrenics, Division of INEOX Americas LLC |
| 2003-10-19 | 8 | 7 | INFX | Infineum USA Incorporated |
| 2006-12-28 | 1 | 1 | INLX | Incoal Company |
| 2005-09-11 | 10 | 9 | INTX | Interstate Commodities Inc. |
| 2006-02-25 | 20 | 16 | INVX | Invista S. A. R. L. |
| 2005-12-04 | 27 | 22 | IPBX | Innophos, Inc. |
| 2004-05-07 | 1 | 1 | IR | Illinois RailNet Incorporated |
| 2004-04-26 | 2 | 2 | IREX | IRECO Incorporated |
| 2006-01-22 | 4 | 3 | ITC | Norfolk Southern Railway Company |
| 2005-07-16 | 2 | 2 | ITDX | SULCOM Incorporated |
| 2006-12-28 | 2 | 2 | ITGX | ITG Incorporated |
| 2003-07-01 | 49 | 45 | ITLX | General Electric Rail Services Corporation |
| 2003-10-06 | 35 | 26 | ITTX | TTX Company |
| 2008-03-29 | 3 | 3 | IVCX | Invista S.A.R.L. |
| 2008-06-30 | 1 | 1 | JBRX | Bakery Trading Company |
| 2008-06-29 | 6 | 4 | JDSX | M and C Railcar Leasing LLC |
| 2003-11-01 | 1 | 1 | JHMX | Alabama Power Company |
| 2004-11-25 | 3 | 2 | JHPX | Nova Chemicals (USA) Incorporated |
| 2004-03-19 | 2 | 1 | JJJX | JJ Rail Car Leasing Limited |
| 2007-04-14 | 68 | 7 | JLCX | J&L Consulting |
| 2004-01-17 | 9 | 9 | JMHX | J.M. Huber Corporation |
| 2007-12-22 | 1 | 1 | JOGX | Jointa Galushe, LLC |
| 2006-01-07 | 27 | 22 | JOSX | Rail Connection Inc. |
| 2004-05-21 | 18 | 16 | JRSX | J.R. Simplot Company |
| 2004-04-09 | 12 | 9 | JTIX | Joseph Transportation Incorporated |
| 2006-12-31 | 1 | 1 | JTJX | Joseph Transportation Incorporated |
| 2005-11-08 | 4 | 3 | JTLX | Joseph Resources Incorporated |
| 2005-12-30 | 4 | 4 | JTSX | Joseph Transportation Incorporated |
| 2004-09-12 | 6 | 4 | JTTX | TTX Company |
| 2007-08-18 | 30 | 29 | KBSR | Kankakee Beaverville and Southern Railroad Company |
| 2005-10-06 | 4 | 3 | KCCX | Kennecott Utah Copper Corporation |
| 2004-03-03 | 15 | 6 | KCDX | Eastman Kodak Company |
| 2004-06-28 | 10 | 9 | KCPX | Kemira Chemicals Canada Incorporated Incorporated |
| 2003-02-01 | 196 | 126 | KCS | Kansas City Southern Railway Company |
| 2004-08-15 | 1 | 1 | KDCX | Eastman Chemical Canada Incorporated |
| 2004-04-10 | 19 | 16 | KEYX | Keywell Corporation |
| 2005-02-03 | 13 | 10 | KGCX | INDSPEC Chemical Corporation |
| 2009-06-01 | 1 | 1 | KMNX | |
| 2007-12-21 | 1 | 1 | KNOX | Philips Metals Incorporated |
| 2006-01-30 | 93 | 45 | KR | Kenya Railway |
| 2003-10-21 | 210 | 29 | KRL | Kasgro Rail Lines |
| 2006-01-30 | 8 | 2 | KUR | Kenya Uganda Railway |
| 2008-06-14 | 1 | 1 | KWT | K.W.T. Railway Incorporated |
| 2006-03-16 | 37 | 2 | KWUX | Siemens Westinghouse Power Corporation |
| 2004-05-07 | 5 | 4 | KYLE | Kyle Railroad Company |
| 2006-12-29 | 1 | 1 | KYRX | Progress Rail Services Corporation |
| 2005-06-12 | 27 | 17 | LAFX | Lafarge Corporation |
| 2004-10-28 | 1 | 1 | LAHX | Transportation Equipment Incorporated |
| 2007-12-20 | 77 | 4 | LAL | Livonia Avon and Lakeville Railroad Corporation |
| 2005-07-16 | 5 | 3 | LANX | Lansing Grain Co |
| 2004-12-03 | 55 | 29 | LBFX | L.B. Foster Company |
| 2003-02-01 | 65 | 36 | LBR | Lowville and Beaver River Railroad Company |
| 2003-07-17 | 4 | 4 | LCGX | Cargill Incorporated CGD Division |
| 2006-01-07 | 4 | 4 | LCIX | Praxair Incorporated |
| 2004-09-18 | 14 | 5 | LCLX | Ledcor Communications Limited |
| 2005-07-16 | 6 | 2 | LDSX | Lambton Diesel Specialists Incorporated |
| 2007-05-12 | 11 | 10 | LEHX | Lehigh Cement Co. |
| 2005-12-30 | 1 | 1 | LISX | Maine Metal Recycling |
| 2003-02-15 | 733 | 9 | LLPX | Locomotive Leasing Partners LLC |
| 2006-12-28 | 1 | 1 | LMIC | Lake Michigan and Indiana Railroad Company |
| 2006-03-03 | 148 | 3 | LMIX | LORAM Maintenance of Way Incorporated |
| 2006-05-13 | 7 | 4 | LN | CSX Transportation Incorporated |
| 2003-02-10 | 13 | 10 | LNAC | H and S Railroad Company |
| 2006-09-09 | 2 | 1 | LNE | Lehigh New England |
| 2005-12-23 | 47 | 9 | LRBX | Lincoln Rail Brokerages Ltd |
| 2009-02-07 | 1 | 1 | LRS | Laurinburg and Southern Railroad Co |
| 2004-04-26 | 4 | 4 | LRWN | Little Rock and Western Railway LP |
| 2008-06-28 | 1 | 1 | LRWY | Lackawanna Railway Incorporated |
| 2006-01-07 | 1 | 1 | LSRC | Lake State Railway Company |
| 2006-06-24 | 2 | 1 | LSRX | Lake Superior Railroad Museum |
| 2003-06-14 | 6 | 3 | LT | Lake Terminal Railroad Company |
| 2006-09-10 | 3 | 2 | LTCX | Praxair Incorporated |
| 2006-02-12 | 1 | 1 | LU | London Underground (UK) |
| 2004-08-21 | 2 | 1 | LUCX | Services Unlimited |
| 2006-09-09 | 26 | 2 | LV | Norfolk Southern Railway Company |
| 2003-04-11 | 27 | 25 | LVRC | Lamoille Valley Railroad Company |
| 2003-04-11 | 122 | 82 | LW | Louisville and Wadley Railway Company |
| 2009-07-26 | 11 | 1 | MAMX | |
| 2007-08-28 | 10 | 2 | MARC | Maryland Transit Administration |
| 2004-11-27 | 8 | 7 | MB | M and B Railroad LLC |
| 2003-07-01 | 44 | 42 | MBLX | Exxon Mobil Corporation |
| 2006-04-29 | 1 | 1 | MC | Maine Coast Railroad Corporation |
| 2008-11-29 | 1 | 1 | MCEX | |
| 2005-09-07 | 4 | 3 | MCNX | Burlington Electric |
| 2006-05-13 | 3 | 3 | MCSA | Moscow Camden and San Augustine Railroad |
| 2007-08-30 | 30 | 1 | MDDE | Maryland and Delaware Railroad |
| 2004-10-23 | 1 | 1 | MDR | Kansas City Southern Railway Company |
| 2008-06-29 | 2 | 1 | MDT | |
| 2003-10-03 | 36 | 31 | MDW | Minnesota Dakota and Western Railway Company |
| 2008-06-28 | 2 | 1 | ME | Morristown and Erie Railway Incorporated |
| 2003-08-20 | 281 | 73 | MEC | Maine Central Railroad Company |
| 2006-12-28 | 6 | 5 | MET | Modesto and Empire Traction Company |
| 2005-07-14 | 13 | 12 | MHFX | MHF Logistical Solutions Incorporated |
| 2009-02-17 | 4 | 1 | MHNA | |
| 2007-12-21 | 95 | 4 | MHWA | Mohawk Adirondack and Northern Railroad Corporation |
| 2003-04-13 | 68 | 48 | MILW | Soo Line Railroad (CPR) |
| 2003-05-18 | 2 | 2 | MILX | General Electric Rail Services Corporation |
| 2004-04-09 | 10 | 7 | MKT | Union Pacific Railroad Company |
| 2007-08-18 | 2 | 1 | MKTT | Union Pacific Railroad Company |
| 2003-04-13 | 35 | 32 | MLLX | Basell USA Incorporated |
| 2006-01-07 | 10 | 9 | MLMX | Metal Management Incorporated |
| 2003-08-20 | 388 | 196 | MMA | Montreal Maine and Atlantic Railway Limited |
| 2007-08-28 | 17 | 1 | MMID | Maryland Midland Railway Incorporated |
| 2007-06-23 | 3 | 3 | MML | Midland Mainline (UK) |
| 2006-12-30 | 16 | 4 | MNCR | Metro-North Commuter Railroad (Revenue) |
| 2004-07-14 | 2 | 2 | MNNR | Minnesota Commercial Railway Company |
| 2003-03-24 | 5 | 2 | MNS | Soo Line Railroad (CPR) |
| 2005-06-02 | 6 | 5 | MOBX | Exxon Mobil Corporation |
| 2007-06-24 | 1 | 1 | MODA | Ministry of Defense (UK) |
| 2005-01-15 | 1 | 1 | MOGX | C.W. Brooks Incorporated |
| 2003-05-18 | 71 | 53 | MP | Union Pacific Railroad Company |
| 2007-05-27 | 20 | 1 | MPEX | Motivepower Industries Incorporated |
| 2007-05-05 | 1 | 1 | MPLI | Minnesota Prairie Line Incorporated |
| 2007-08-27 | 2 | 2 | MQPX | Millennium Inorganic Chemicals Incorporated |
| 2006-06-24 | 5 | 4 | MQT | Marquette Rail Transport |
| 2003-08-17 | 9 | 8 | MR | McCloud Railway Company |
| 2006-09-09 | 4 | 1 | MREX | Monad Railway Equipment Company |
| 2004-01-01 | 50 | 37 | MRL | Montana RailLink Incorporated |
| 2006-01-07 | 4 | 3 | MRS | Manufacturers Railway Company |
| 2003-10-19 | 5 | 5 | MS | Michigan Shore Railroad Incorporated |
| 2009-06-16 | 3 | 1 | MSC | |
| 2003-07-01 | 28 | 27 | MSDR | Knoxville and Holston River Railroad Company Incorporated |
| 2003-04-11 | 2 | 1 | MSE | Mississippi Export Railroad Company |
| 2004-08-21 | 9 | 8 | MSRC | Kansas City Southern Railway Company |
| 2007-08-25 | 2 | 1 | MSTX | Michigan Steam Institute, Inc/Friends of the Pere Marquette 1223 |
| 2006-05-20 | 5 | 2 | MSV | Mississippi and Skuna Valley Railroad Company |
| 2006-12-28 | 2 | 1 | MTTX | TTX Company |
| 2004-05-21 | 4 | 4 | MVRY | Mahoning Valley Railway Company |
| 2005-10-25 | 113 | 89 | MWAX | Martin Marietta Materials Incorporated |
| 2004-01-24 | 57 | 45 | MWCX | Midwest Railcar Corporation |
| 2005-11-05 | 7 | 4 | MWSX | General Electric Rail Services Corporation |
| 2005-11-05 | 1 | 1 | NACX | General Electric Rail Services Corporation |
| 2004-01-03 | 19 | 12 | NADX | General Electric Rail Services Corporation |
| 2003-02-01 | 345 | 269 | NAHX | General Electric Rail Services Corporation |
| 2003-05-03 | 2 | 2 | NAMX | NAMX Leasing Company |
| 2004-09-12 | 15 | 9 | NAR | Canadian National Railway |
| 2006-02-28 | 1 | 1 | NARX | NORCHEM Incorporated |
| 2003-04-11 | 157 | 129 | NATX | General Electric Rail Services Corporation |
| 2006-12-29 | 22 | 3 | NBER | Nittany and Bald Eagle Railroad Company |
| 2004-05-07 | 8 | 7 | NBIX | Bombardier Capital Rail Incorporated |
| 2005-12-21 | 68 | 6 | NBSR | New Brunswick Southern Railway Company Limited |
| 2003-05-18 | 39 | 32 | NCHX | General Electric Rail Services Corporation |
| 2003-04-13 | 96 | 76 | NCIX | Nova Chemicals Incorporated |
| 2003-04-13 | 25 | 24 | NCLX | Nova Chemicals Incorporated |
| 2003-05-18 | 10 | 7 | NCTX | PLM International Incorporated |
| 2003-07-17 | 22 | 19 | NCUX | Transport Capital Rail Partners LLC |
| 2003-02-01 | 109 | 91 | NDYX | First Union Rail |
| 2004-12-19 | 395 | 19 | NECR | New England Central Railroad Incorporated |
| 2009-06-19 | 2 | 2 | NEUK | National Express (UK) |
| 2007-04-22 | 1 | 1 | NFPX | Newaygo Forest Products Limited |
| 2005-06-19 | 3 | 2 | NHCR | New Hampshire Central Railroad |
| 2005-12-22 | 44 | 20 | NHN | New Hampshire Northcoast Corporation |
| 2007-12-22 | 2 | 2 | NHRX | New Haven National Rail Terminal and Transportation Co. LLC |
| 2006-09-09 | 2 | 1 | NHTR | N. H. Trap Rock Company |
| 2005-09-10 | 3 | 2 | NIHX | General Electric Rail Services Corporation |
| 2004-12-21 | 3 | 2 | NIWX | Northern Illinois and Wisconsin Railway Corporation |
| 2006-06-24 | 1 | 1 | NJRC | New Jersey Rail Carriers, Inc. |
| 2003-02-01 | 54 | 48 | NKCR | Nebraska Kansas and Colorado RailNet |
| 2006-09-09 | 21 | 4 | NKP | Norfolk Southern Railway Company |
| 2003-07-01 | 1 | 1 | NLLX | Northern Line Layers Incorporated |
| 2003-02-01 | 13 | 12 | NLSX | National Starch and Chemical Company |
| 2004-09-29 | 34 | 22 | NMIX | NSC Minerals, Inc. |
| 2007-06-23 | 30 | 13 | NO | Northern (UK) |
| 2003-02-10 | 391 | 316 | NOKL | Northwestern Oklahoma Railroad Co |
| 2010-10-14 | 2160 | 1 | Not | |
| 2003-12-13 | 3 | 2 | NOVX | Novell Polymers Incorporated |
| 2007-06-18 | 18 | 11 | NR | National Rail (UK) |
| 2008-06-28 | 1 | 1 | NRDX | Nordic Warehouse Incorporated |
| 2004-10-10 | 111 | 15 | NREX | National Railway Equipment Company |
| 2009-02-17 | 5 | 2 | NRHX | National Railway Historical Society |
| 2006-09-06 | 8 | 7 | NRI | Nebkota Railway Incorporated |
| 2003-02-10 | 113 | 93 | NRLX | Bombardier Capital Rail Incorporated |
| 2009-06-19 | 1 | 1 | NRUK | |
| 2003-03-26 | 2205 | 697 | NS | Norfolk Southern Railway Company |
| 2005-05-15 | 8 | 1 | NSCX | National Steel Car Limited |
| 2005-11-06 | 8 | 4 | NSHR | North Shore Railroad Company |
| 2006-09-09 | 1 | 1 | NSL | St. Lawrence and Raquette River Railroad |
| 2006-08-26 | 2 | 1 | NTKX | VAE Nortrak North America Incorporated |
| 2005-07-14 | 5 | 5 | NTRX | NTL Transportation Corporation |
| 2004-04-28 | 7 | 4 | NTTX | TTX Company |
| 2003-08-26 | 26 | 20 | NVR | Bangor and Aroostook Railroad Company now MMA |
| 2003-05-29 | 180 | 133 | NW | Norfolk Southern Railway Company |
| 2004-07-17 | 1 | 1 | NWR | Nashville and Western Railroad Corporation |
| 2003-03-26 | 145 | 96 | NYC | CSX Transportation Incorporated |
| 2008-06-28 | 24 | 7 | NYLE | New York and Lake Erie Railroad Company |
| 2004-09-19 | 1 | 1 | NYOG | New York and Ogdensburg Railway Company Incorporated |
| 2005-12-30 | 31 | 11 | NYSW | New York Susquehanna and Western Railway Corporation |
| 2003-03-24 | 18 | 15 | OAR | Old Augusta Railroad Company |
| 2003-09-21 | 1 | 1 | OCCX | Occidental Chemical Corporation |
| 2003-05-18 | 35 | 27 | OCPX | Oxy Vinyls LP |
| 2006-05-07 | 72 | 3 | OCRR | Ottawa Central Railway |
| 2005-07-24 | 1 | 1 | OCT | Ottawa-Carleton Transit |
| 2003-10-06 | 6 | 6 | ODTX | Oil-Dri Corporation of America |
| 2006-09-17 | 4 | 4 | OHCR | Ohio Central Railroad Incorporated |
| 2006-06-24 | 2 | 1 | OHPA | Ohio and Pennsylvania Railroad Company |
| 2004-05-25 | 6 | 6 | OLNX | Olin Corporation |
| 2008-06-30 | 56 | 4 | OMID | Ontario Midland Railroad Corporation |
| 2006-12-15 | 27 | 22 | OMNX | Omnisource Group |
| 2008-06-30 | 4 | 1 | ONCT | Ontario Central Railroad Corporation |
| 2003-02-15 | 380 | 193 | ONT | Ontario Northland Railway |
| 2005-12-30 | 5 | 5 | ORTX | O & R Transport |
| 2003-03-24 | 1761 | 23 | OSRX | Ontario Southland Railway Incorporated |
| 2004-01-18 | 224 | 155 | OTTX | TTX Company |
| 2005-11-27 | 3 | 2 | OWIX | Old World Transportation Limited |
| 2005-02-03 | 12 | 10 | PAL | Paducah and Louisville Railroad |
| 2004-05-16 | 1 | 1 | PBFX | IBP Incorporated |
| 2008-06-29 | 9 | 1 | PC | Norfolk Southern Railway Company |
| 2006-05-29 | 16 | 3 | PCHR | Port Colbourne Harbour Railway (Trillium) |
| 2003-04-13 | 18 | 17 | PCN | Point Comfort and Northern Railway |
| 2006-09-07 | 2 | 2 | PCSX | PLM International Incorporated |
| 2007-08-27 | 1 | 1 | PDRR | Pee Dee River Railroad Corporation |
| 2004-01-24 | 11 | 7 | PENX | Penford Products Company |
| 2007-08-27 | 3 | 3 | PEPX | Potomac Electric Power Company |
| 2004-08-15 | 5 | 3 | PFMX | Perdue Transportation Incorporated |
| 2004-05-07 | 1 | 1 | PGHX | Trinity Rail Management Incorporated |
| 2007-03-25 | 5 | 2 | PGR | Progressive Rail Incorporated |
| 2003-03-09 | 5 | 5 | PGTX | Trinity Rail Management Incorporated |
| 2004-09-22 | 2 | 1 | PHD | Port Huron and Detroit Railroad Company |
| 2007-08-18 | 3 | 3 | PIOX | Pioneer Americas LLC |
| 2004-12-20 | 6 | 6 | PIVX | Pivotal Enterprises Corporation |
| 2008-02-03 | 8 | 5 | PJKA | Perusahaan Jwatan Kareta Api (Indonesia) |
| 2003-03-24 | 124 | 101 | PLCX | General Electric Rail Services Corporation |
| 2003-12-13 | 13 | 9 | PLEX | PLM International Incorporated |
| 2003-04-13 | 77 | 68 | PLMX | PLM International Incorporated |
| 2009-05-09 | 7 | 1 | PLRR | |
| 2003-02-10 | 22 | 19 | PLWX | General Electric Rail Services Corporation |
| 2007-08-25 | 2 | 2 | PM | Pere Marquette |
| 2005-11-12 | 1 | 1 | PMLX | Prairie Malt Limited |
| 2007-08-28 | 2 | 2 | POHC | Pittsburgh and Ohio Central Railroad |
| 2003-08-20 | 259 | 106 | PPGX | PPG Industries Incorporated |
| 2004-01-17 | 32 | 32 | PPLX | Pennsylvania Power and Light Company |
| 2003-07-01 | 1 | 1 | PPNX | PCS Phosphate Company |
| 2004-03-08 | 11 | 8 | PPRX | Phillips Petroleum Company |
| 2006-04-30 | 3 | 3 | PPTX | PCS Phosphate Company |
| 2005-11-27 | 4 | 2 | PPU | Peoria and Pekin Union Railway Company |
| 2008-01-03 | 1 | 1 | PQX | PQ Corporation |
| 2004-08-07 | 2 | 2 | PRAX | First Union Rail |
| 2004-04-09 | 8 | 7 | PRGX | Cargill Incorporated |
| 2004-08-15 | 2 | 1 | PRL | Penn Eastern Rail Lines Incorporated |
| 2003-02-01 | 956 | 732 | PROX | Procor Limited |
| 2005-05-15 | 25 | 12 | PRR | Norfolk Southern Railway Company |
| 2005-01-27 | 4 | 2 | PRSX | Progress Rail Services Corporation |
| 2003-04-13 | 27 | 23 | PSPX | Phillips Petroleum Company |
| 2006-01-07 | 3 | 3 | PSR | Pittsburg and Shawmut Railroad Incorporated |
| 2003-04-26 | 59 | 50 | PTLX | General Electric Rail Services Corporation |
| 2005-07-14 | 26 | 22 | PTTX | TTX Company |
| 2005-06-02 | 20 | 13 | PVCX | BHP Cooper Incorporated |
| 2006-09-07 | 69 | 6 | PVRR | Pioneer Valley Railroad Company Incorporated |
| 2005-01-15 | 79 | 10 | PW | Providence and Worcester Railroad |
| 2007-08-31 | 3 | 1 | PWXX | Providence and Worcester Railroad |
| 2003-08-20 | 27 | 25 | QC | Canadian Pacific Railway Company |
| 2003-05-18 | 14 | 11 | QCCX | Equistar Chemicals LP |
| 2003-04-11 | 169 | 110 | QGRY | Quebec Gatineau Railway Incorporated (GWI) |
| 2006-11-22 | 70 | 2 | QNSL | Quebec, North Shore, and Labrador |
| 2003-07-01 | 1 | 1 | QOHX | Quaker Oats Company |
| 2003-05-10 | 266 | 60 | QTTX | TTX Company |
| 2003-07-05 | 18 | 16 | RACX | General Electric Rail Services Corporation |
| 2004-01-17 | 27 | 7 | RAIX | Union Carbide Corporation |
| 2005-01-19 | 78 | 38 | RBMN | Reading Blue Mountain and Northern Railroad Company |
| 2003-03-24 | 116 | 96 | RBOX | TTX Company |
| 2003-07-01 | 17 | 13 | RCOX | BP Products North America Incorporated |
| 2005-01-20 | 4 | 4 | RCRX | Reagent Chemical and Research Incorporated |
| 2006-09-09 | 2 | 1 | RDG | Norfolk Southern Railway Company |
| 2006-09-10 | 3 | 3 | REGX | Regus Industries LLC |
| 2007-05-21 | 1 | 1 | RELX | Relco Tank Line Incorporated |
| 2006-12-30 | 1 | 1 | REX | Rea Express |
| 2003-04-09 | 34 | 20 | RFMX | Caldwell-Baker Company |
| 2007-06-26 | 4 | 4 | RFRX | Rick Franklin Corporation |
| 2005-03-08 | 20 | 12 | RGCX | Rio Grande Chemical Sales Company |
| 2009-02-17 | 3 | 2 | RHSX | |
| 2005-03-08 | 12 | 4 | RIIX | Reilly Industries Incorporated |
| 2004-07-17 | 3 | 2 | RJCC | R.J. Corman Railroad Corporation |
| 2006-12-31 | 1 | 1 | RJCM | R.J. Corman Railroad Company/ Memphis Line |
| 2006-12-31 | 1 | 1 | RJCW | R.J. Corman Railroad Company/ Western Ohio Line |
| 2006-09-09 | 8 | 3 | RL | Rutland Line Incorporated |
| 2005-05-15 | 94 | 4 | RLHH | Southern Ontario Railway (RailAmerica) |
| 2003-04-27 | 1043 | 19 | RLK | Ottawa Valley Railway (RailAmerica) |
| 2004-11-25 | 9 | 9 | RMGX | Railcar Limited |
| 2005-09-07 | 128 | 3 | RMPX | Railcar Limited |
| 2009-06-19 | 2 | 1 | RMSL | RMS Locotec (UK) |
| 2003-05-02 | 32 | 26 | ROIX | Shintech Incorporated |
| 2004-09-09 | 12 | 10 | RPBX | Rhodia Incorporated |
| 2006-09-09 | 24 | 4 | RPCX | Railroad Passenger Car Numbering Bureau Incorporated |
| 2007-07-24 | 13 | 2 | RPRX | Railpower Industries, Inc. |
| 2008-06-28 | 9 | 2 | RRPX | RR Power Leasing LLC |
| 2003-07-01 | 42 | 32 | RRRX | Rex Leasing Incorporated |
| 2003-05-03 | 20 | 13 | RS | Roberval and Saguenay Railway Company |
| 2007-12-20 | 20 | 2 | RSR | Rochester and Southern Railroad |
| 2003-05-02 | 6 | 3 | RTCX | Union Tank Car Company |
| 2006-04-29 | 1 | 1 | RTLX | Relco Tank Line Incorporated |
| 2003-05-03 | 25 | 18 | RTMX | General Electric Rail Services Corporation |
| 2005-01-27 | 3 | 1 | RTRX | Rocky Mountain Transportation Services |
| 2003-02-01 | 54 | 50 | RTTX | TTX Company |
| 2004-03-28 | 9 | 8 | RUSX | First Union Rail |
| 2004-01-24 | 23 | 11 | RVPR | Riverport Railroad LLC |
| 2005-01-27 | 1 | 1 | RWTX | Railwest US Incorporated |
| 2008-07-05 | 1 | 1 | SALX | General American Marks Company |
| 2003-04-11 | 14 | 12 | SAMX | Cargill Incorporated |
| 2004-01-01 | 6 | 5 | SAUX | Sauvage Gas Company |
| 2005-01-20 | 7 | 4 | SBD | CSX Transportation Incorporated |
| 2004-08-15 | 16 | 12 | SBLX | Sunbelt/Chlor/Alkali Partnership |
| 2004-03-10 | 1 | 1 | SCGX | General Electric Rail Services Corporation |
| 2004-06-28 | 8 | 5 | SCL | CSX Transportation Incorporated |
| 2003-04-13 | 22 | 17 | SCMX | Shell Oil Company |
| 2007-08-28 | 2 | 2 | SDWX | Cemex, Inc. |
| 2007-06-09 | 2 | 2 | SEGX | SEGX Railcar LLC |
| 2004-03-22 | 1 | 1 | SERA | Sierra Railroad Company |
| 2003-09-21 | 2 | 2 | SFLC | Burlington Northern and Santa Fe Railway Company |
| 2004-10-28 | 1 | 1 | SGAX | SGA Leasing Company |
| 2003-04-13 | 14 | 8 | SGLR | Seminole Gulf Railway LP |
| 2006-12-28 | 1 | 1 | SHNX | Sims Hugo Neu |
| 2003-03-22 | 450 | 307 | SHPX | ACF Industries Incorporated |
| 2006-01-07 | 5 | 5 | SIEX | Southeastern Industrial Enterprises Incorporated |
| 2003-05-18 | 33 | 26 | SIRX | Southern Illinois Railcar Company |
| 2003-08-17 | 24 | 21 | SKNX | Saskatchewan Grain Car Corporation |
| 2004-03-10 | 14 | 13 | SKPX | Saskatchewan Grain Car Corporation |
| 2008-06-29 | 1 | 1 | SKRX | Schuylkill Railcar LP |
| 2003-07-14 | 67 | 46 | SLC | San Luis Central Railroad Company |
| 2005-10-01 | 41 | 19 | SLCX | Sleeper Line Company |
| 2003-03-01 | 108 | 95 | SLGG | Sidney and Lowe Railroad (Progress Rail Services Corporation) |
| 2003-07-01 | 147 | 111 | SLR | St. Lawrence and Atlantic Railroad Company (GWI) |
| 2005-11-11 | 1 | 1 | SLRR | St. Lawrence and Raquette River Railroad |
| 2005-12-22 | 3 | 2 | SLRX | St. Lawrence and Atlantic Railroad Company (GWI) |
| 2005-11-19 | 9 | 5 | SLSF | Burlington Northern and Santa Fe Railway Company |
| 2003-07-05 | 5 | 4 | SM | St. Marys Railroad Company |
| 2005-09-11 | 1 | 1 | SMIX | Structural Metals Incorporated |
| 2004-02-28 | 6 | 6 | SMMX | St. Marys Cement Company |
| 2003-12-07 | 11 | 11 | SMNX | Solvay Minerals Incorporated |
| 2006-09-09 | 1 | 1 | SNHX | IND/AG Chemicals Incorporated |
| 2007-08-19 | 11 | 7 | SNTF | Binary file reportingmarks.txt matches |
| 2004-10-28 | 5 | 4 | SOEX | Shell Oil Company |
| 2006-01-07 | 36 | 35 | SOM | Somerset Railroad Corporation |
| 2003-02-01 | 1392 | 531 | SOO | Soo Line Railroad (CPR) |
| 2003-03-09 | 256 | 152 | SOU | Norfolk Southern Railway Company |
| 2009-06-14 | 5 | 4 | SOUK | |
| 2003-04-09 | 177 | 156 | SP | Union Pacific Railroad Company |
| 2003-04-13 | 8 | 7 | SPGX | Suburban Propane LP |
| 2005-05-25 | 62 | 30 | SPSX | Progress Rail Services Corporation |
| 2007-06-18 | 53 | 26 | SPT | Strathclyde Passenger Transport (UK) |
| 2006-09-09 | 4 | 1 | SPTA | Southeastern Pennsylvania Transporation Authority |
| 2006-01-07 | 1 | 1 | SR | Kansas City Southern Railway Company |
| 2005-09-30 | 5 | 4 | SRAX | Southern Rail Associates Incorporated |
| 2003-09-28 | 18 | 16 | SRCX | Sid Richardson Carbon Company |
| 2003-04-13 | 20 | 20 | SRIX | Southwest Rail Industries Incorporated |
| 2005-12-22 | 1 | 1 | SRLX | Southern Rail Leasing Incorporated |
| 2003-07-05 | 19 | 18 | SRN | Sabine River and Northern Railroad Company |
| 2005-11-24 | 16 | 2 | SRS | Sperry Rail Service |
| 2003-06-14 | 40 | 33 | SRY | Southern Railway of British Columbia Limited |
| 2003-07-01 | 47 | 36 | SSAM | Sault Ste. Marie Bridge Company |
| 2004-12-22 | 1 | 1 | SSD | Union Pacific Railroad Company |
| 2003-12-07 | 6 | 6 | SSIX | General Electric Rail Services Corporation |
| 2004-08-21 | 17 | 14 | SSPX | AE Staley Manufacturing Company |
| 2007-05-27 | 88 | 5 | SSR | South Simcoe Railway |
| 2003-06-03 | 146 | 122 | SSW | Union Pacific Railroad Company |
| 2005-09-08 | 109 | 7 | ST | ST Rail System |
| 2004-04-18 | 3 | 2 | STAX | OCI Chemical Corporation |
| 2003-10-05 | 3 | 3 | STCR | Saint Thomas Central Railway |
| 2004-05-07 | 5 | 4 | STE | Stockton Terminal and Eastern RR |
| 2004-01-11 | 1 | 1 | STEX | Sterling Chemicals Incorporated |
| 2003-02-01 | 310 | 16 | STLH | St. Lawrence and Hudson Railway Company Limited (CPR) |
| 2004-09-12 | 3 | 3 | STLX | AE Staley Manufacturing Company |
| 2005-04-01 | 1 | 1 | STMA | St. Maries River Railroad Company |
| 2004-05-16 | 18 | 17 | STSX | AE Staley Manufacturing Company |
| 2007-08-27 | 2 | 2 | STWX | Struthers Wells Corp. |
| 2007-04-21 | 1 | 1 | SUMX | Sumitomo Canada Inc. |
| 2007-06-25 | 2 | 1 | SWT | South-West Trains (UK) |
| 2006-04-15 | 1 | 1 | SWYX | OCI Chemical Wyoming Company |
| 2004-01-11 | 4 | 4 | SYRX | ADM Transportation |
| 2009-04-21 | 2 | 1 | TAEX | The Andersons |
| 2004-10-23 | 9 | 9 | TASD | Terminal Railway Alabama State Docks |
| 2003-05-03 | 142 | 116 | TBOX | TTX Company |
| 2006-03-17 | 10 | 1 | TCB | Texas Central Business Lines Corporation |
| 2003-07-27 | 13 | 10 | TCDX | Union Tank Car Company |
| 2004-08-29 | 9 | 8 | TCIX | Trinity Chemical Leasing LLC |
| 2004-11-01 | 1 | 1 | TCLX | Trinity Chemical Leasing LLC |
| 2003-04-13 | 100 | 71 | TCMX | CIT Group/Capital Finance Incorporated |
| 2004-10-27 | 85 | 81 | TCSZ | Triple Crown Services Company |
| 2005-05-06 | 12 | 11 | TCTX | Tube City Incorporated |
| 2003-05-18 | 9 | 9 | TCWR | Twin Cities and Western Railroad |
| 2006-06-24 | 4 | 4 | TEAX | Transportation Equipment Incorporated |
| 2003-03-09 | 24 | 23 | TEIX | Transportation Equipment Incorporated |
| 2007-05-05 | 1 | 1 | TELX | ELF Atochem North America Incorporated |
| 2006-01-07 | 1 | 1 | TERX | Southeastern Industrial Enterprises Incorporated |
| 2004-05-16 | 89 | 28 | TFM | TFM SA de CV |
| 2004-09-12 | 7 | 5 | TGAX | PCS Phosphate Company Incorporated |
| 2003-07-27 | 5 | 3 | TGCX | PolyOne Company |
| 2004-10-27 | 2 | 2 | TGIX | PCS Phosphate Company Incorporated |
| 2003-08-17 | 1 | 1 | TGOX | First Union Rail |
| 2003-02-01 | 4 | 4 | TGPX | Tamak Transportation Corporation |
| 2004-03-19 | 4 | 2 | TGSX | FMC Corporation |
| 2003-04-13 | 16 | 9 | THB | Canadian Pacific Railway Company |
| 2004-07-14 | 3 | 3 | THRX | Transportation Corporation of America |
| 2003-03-29 | 189 | 158 | TILX | Trinity Industries Leasing Company |
| 2003-03-24 | 31 | 16 | TIMX | Trinity Industries Leasing Company |
| 2009-06-15 | 1 | 1 | TIPH | |
| 2004-05-07 | 4 | 4 | TJRX | S. M. Brooks |
| 2004-04-26 | 17 | 12 | TKEN | Tennken Railroad Company Incorporated |
| 2006-01-14 | 83 | 67 | TLAX | Transload America LLC |
| 2009-01-10 | 1 | 1 | TlAX | |
| 2003-05-02 | 9 | 9 | TLCX | General Electric Rail Services Corporation |
| 2003-07-27 | 11 | 9 | TLDX | General Electric Rail Services Corporation |
| 2007-08-31 | 11 | 8 | TLTX | Tilcon Tomasso Quarries Incorporated |
| 2006-04-30 | 3 | 1 | TNO | Temiskaming & Northern Ontario |
| 2007-02-24 | 1 | 1 | TNR | Kansas City Southern Railway Company |
| 2004-06-28 | 13 | 11 | TOE | Texas Oklahoma and Eastern RR Company |
| 2005-10-05 | 29 | 2 | TPHX | Thomas Payne Holdings Incorporated |
| 2003-04-13 | 4 | 4 | TQEX | First Union Rail |
| 2003-03-29 | 124 | 105 | TR | Tomahawk Railway LP |
| 2006-04-12 | 2 | 1 | TRAX | Railtex Incorporated (RailAmerica) |
| 2004-11-22 | 4 | 3 | TRLX | Texas Railcar Leasing Company |
| 2003-04-11 | 13 | 10 | TRNX | General Electric Rail Services Corporation |
| 2006-01-30 | 6 | 3 | TRTZ | Tanzania Railway |
| 2003-09-28 | 38 | 27 | TSBY | Tuscola and Saginaw Bay Railway Company |
| 2003-04-11 | 13 | 11 | TSE | Texas South-Eastern Railroad Company |
| 2004-03-10 | 21 | 18 | TSRD | Twin State Railroad Company |
| 2003-02-10 | 164 | 148 | TTAX | TTX Company |
| 2003-06-14 | 3 | 3 | TTC | Toronto Transit Commission |
| 2004-10-28 | 15 | 13 | TTCX | TTX Company |
| 2006-06-04 | 5 | 4 | TTDX | TTX Company |
| 2004-10-10 | 26 | 22 | TTEX | TTX Company |
| 2003-02-01 | 586 | 526 | TTGX | TTX Company |
| 2003-04-11 | 18 | 14 | TTHX | TTX Company |
| 2003-04-11 | 3 | 3 | TTJX | TTX Company |
| 2004-04-05 | 2 | 1 | TTLX | TTX Company |
| 2007-06-09 | 1 | 1 | TTMX | TTX Company |
| 2003-04-11 | 56 | 45 | TTPX | TTX Company |
| 2006-01-07 | 2 | 2 | TTQX | TTX Company |
| 2003-02-10 | 92 | 58 | TTRX | TTX Company |
| 2005-07-16 | 4 | 2 | TTUX | TTX Company |
| 2005-02-06 | 3 | 2 | TTWX | TTX Company |
| 2003-09-13 | 12 | 4 | TTX | TTX Company |
| 2003-04-09 | 125 | 113 | TTZX | TTX Company |
| 2005-11-05 | 3 | 2 | TZPR | Tazewell & Peoria RR |
| 2005-06-02 | 2 | 1 | UBEX | United Bio Energy Ingredients, LLC |
| 2006-02-26 | 1 | 1 | UCFX | Union Carbide Corporation a subsidiary of The Dow Chemical Company |
| 2004-04-10 | 6 | 6 | UCLX | Vulcan Materials Company Chemicals Division |
| 2003-04-11 | 36 | 32 | UELX | ADM Transportation Company |
| 2005-09-17 | 11 | 3 | UMPX | First Union Rail |
| 2004-08-21 | 2 | 2 | UNCX | GATX Rail Canada Corporation |
| 2003-04-13 | 194 | 128 | UNPX | Procor Limited |
| 2003-03-09 | 715 | 240 | UP | Union Pacific Railroad Company |
| 2005-10-29 | 3 | 1 | UPCX | Laidlaw Environmental Services Incorporated |
| 2003-07-01 | 29 | 22 | UPFE | Union Pacific Railroad Company |
| 2007-05-26 | 131 | 13 | UPY | Union Pacific Railroad Company |
| 2006-01-30 | 6 | 6 | UR | Uganda Railway |
| 2009-02-17 | 2 | 1 | USAF | |
| 2006-03-09 | 35 | 6 | USAX | Deptartment of Defense Troop Support and Aviation Material Readiness Command (Intraplant) |
| 2003-02-01 | 24 | 17 | USBX | CIT Group/Capital Finance Incorporated |
| 2003-04-13 | 30 | 23 | USLX | General Electric Rail Services Corporation |
| 2007-05-26 | 4 | 1 | UTA | Utah Transportation Authority |
| 2003-02-01 | 135 | 105 | UTCX | Union Tank Car Company |
| 2003-02-10 | 770 | 610 | UTLX | Union Tank Car Company |
| 2005-12-21 | 5 | 4 | VB | Van Buren Bridge Company |
| 2003-09-21 | 15 | 15 | VCY | Ventura County Railway Company |
| 2003-02-13 | 2154 | 239 | VIA | VIA Rail |
| 2003-10-19 | 6 | 4 | VICX | Union Tank Car Company |
| 2005-01-20 | 4 | 4 | VIPX | Union Tank Car Company |
| 2007-08-28 | 1 | 1 | VR | Valdosta Railway LP |
| 2007-06-20 | 10 | 6 | VT | Virgin Trains (UK) |
| 2009-09-03 | 5 | 3 | VTFR | Veolia Transport (FR) |
| 2009-06-15 | 21 | 20 | VTG | |
| 2004-12-20 | 189 | 16 | VTR | Vermont Railway Incorporated |
| 2003-04-09 | 20 | 19 | VTTX | TTX Company |
| 2007-08-25 | 1 | 1 | WAB | Norfolk Southern Railway Company |
| 2005-06-02 | 4 | 4 | WACX | Albright and Wilson Company |
| 2004-01-24 | 6 | 5 | WAGX | PCS Phosphate Company Incorporated |
| 2003-02-10 | 559 | 293 | WC | Wisconsin Central Limited |
| 2003-09-28 | 78 | 62 | WCCL | Wisconsin Chicago Link Limited |
| 2007-03-29 | 1 | 1 | WCCX | Consolidation Coal Company |
| 2005-03-29 | 10 | 2 | WCFX | General Electric Rail Services Corporation |
| 2005-06-19 | 5 | 5 | WCHX | Walter Haffner Company |
| 2006-05-14 | 6 | 3 | WCOR | Wellsboro and Corning Railroad Company |
| 2003-11-01 | 13 | 11 | WCRC | Columbia Basin Railroad Company |
| 2004-01-01 | 38 | 34 | WCTR | WCTU Railway Company |
| 2005-05-14 | 29 | 18 | WE | Wheeling and Lake Erie Railway Company |
| 2004-07-03 | 4 | 3 | WFIX | First Union Rail |
| 2005-05-23 | 8 | 6 | WHCX | Western Hay Company |
| 2004-01-01 | 6 | 5 | WITX | General Electric Rail Services Corporation |
| 2003-03-09 | 73 | 65 | WLO | Waterloo Railway Company |
| 2003-03-09 | 33 | 32 | WLPX | Westlake Polymers Corporation |
| 2003-07-01 | 19 | 12 | WNFR | Kanawha Rail Corporation |
| 2008-06-28 | 21 | 2 | WNYP | Western New York and Pennysylvania Railroad LLC |
| 2006-06-24 | 1 | 1 | WNYX | Western New York Railway Historical Society |
| 2003-04-26 | 9 | 7 | WP | Union Pacific Railroad Company |
| 2009-05-11 | 2 | 1 | WPHX | |
| 2003-11-01 | 9 | 7 | WPRR | Willamette and Pacific Railroad |
| 2005-11-19 | 1 | 1 | WREX | Western Railroad Equipment Company |
| 2005-12-26 | 8 | 6 | WRSX | Warren Railcar Service Incorporated |
| 2004-04-28 | 6 | 4 | WSOR | Wisconsin and Southern Railroad Company |
| 2009-06-16 | 31 | 15 | WSUK | West Somerset Railway (UK) |
| 2008-07-05 | 7 | 1 | WSX | Wierton Steel Division National Steel Corporation |
| 2005-11-05 | 3 | 3 | WTLX | Wilmot Transport & Logistics Ltd. |
| 2006-10-08 | 10 | 6 | WTRM | Warren and Trumbull Railroad Company |
| 2005-12-23 | 2 | 2 | WVCX | Westvaco Corporation |
| 2003-04-13 | 36 | 22 | WW | Winchester and Western Railroad Company |
| 2003-09-21 | 11 | 10 | WWLX | Trinity Industries Leasing Company |
| 2004-03-08 | 10 | 10 | XOMX | Exxon Mobil Corporation |
| 2003-02-10 | 140 | 44 | XPWX | Canadian Pacific Railway (Expressway) |
| 2003-04-26 | 3 | 3 | XTRX | First Union Rail |
| 2004-04-09 | 18 | 17 | XTTX | TTX Company |
| 2004-10-27 | 24 | 17 | YARR | Youngstown and Austintown Railroad Incorporated |
| 2007-08-27 | 2 | 2 | YB | Youngstown Belt Railroad Company |
| 2009-06-16 | 1 | 1 | YCV | |
| 2005-08-21 | 6 | 2 | YDHR | York-Durham Heritage Railway |
| 2009-06-19 | 1 | 1 | YEA | |
| 2003-04-11 | 57 | 38 | YKR | York Railway Company |
| 2006-01-22 | 3 | 3 | ZCAX | Zinc Corporation of America |
| 2007-08-27 | 3 | 2 | ZVBX | Ferrous Processing and Trading Co |
| 2009-01-10 | 1 | 1 | ZVPX | |
| 2009-06-15 | 2 | 2 | ZZA |
