AARX
| Association of American Railroads | 1 |
AB
| Akron and Barberton Cluster Railway Company | 3 |
ABOX
| TTX Company | 1 |
ADFX
| Agrium | 1 |
ADLX
| Adler Funding LLC | 1 |
ADMX
| ADM Transportation Company | 2 |
AF
| Alabama and Florida Railway Company | 35 |
AGR
| Alabama and Gulf Coast | 1 |
AHWX
| SUNOCO INC (R&M) | 1 |
AM
| Arkansas & Missouri | 2 |
AMCX
| BP Amoco Chemical Company Chemical Division | 3 |
AMTK
| Amtrak | 83 |
AMTX
| TUCO Inc | 1 |
AOK
| Arkansas-Oklahoma Railroad | 207 |
AOKX
| Greenbrier Management Services, LLC | 15 |
APLX
| APL Land Transport Services Incorporated | 1 |
ARMN
| Union Pacific Railroad Company | 1 |
AT
| Auto Train | 6 |
ATSF
| Atchison Topeka & Santa Fe | 133 |
ATW
| Atlantic and Western | 27 |
AXLX
| AXIALL CORPORATION | 1 |
B
| B | 21 |
BCOL
| Canadian National Railways | 5 |
BKTY
| Union Pacific Railroad Company | 1 |
BMSF
| BMSF | 1 |
BN
| Burlington Northern | 175 |
BNS
| BNS | 3 |
BNSF
| BNSF Railway | 1833 |
BO
| Baltimore & Ohio | 1 |
BR
| Buffalo and Pittsburgh | 2 |
BRCX
| Union Tank Car Company | 1 |
BRGX
| BRIDGER RAIL SHIPPING LLC | 1 |
BSNF
| BSNF | 1 |
BTCX
| Browner Turnout Company | 3 |
BTTX
| TTX Company - Autoracks | 8 |
C
| C | 10 |
CAIN
| CAIN | 1 |
CAIX
| CAI Rail Inc. | 1 |
CBQ
| Chicago Burlington & Quincy | 3 |
CBTX
| THE CIT GROUP/EQUIPMENT FINANCING INC | 1 |
CCBX
| Union Carbide Corporation | 1 |
CCPA
| CCPA | 1 |
CCTX
| Coleto Creek Power WLE, LP | 4 |
CDEX
| Coastal Distribution, LLC | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 23 |
CEMX
| Cemex Mexico SA de CV | 1 |
CGIX
| Collingwood | 1 |
CGTT
| CGTT | 1 |
CHTT
| Chicago Heights Terminal Transfer | 4 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 1 |
CITX
| CIT Group/Capital Finance, Inc | 4 |
CK
| CK | 1 |
CKIX
| C.K. Industries | 1 |
CMAU
| Compagnie Maritime d Affretement Compagnie Generale Maritime | 1 |
CMO
| Chicago St Paul Minneapolis & Omaha | 17 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 1 |
CN
| Canadian National Railways | 375 |
CNA
| Canadian National Railways | 264 |
CNR
| CNR | 1 |
CNW
| Chicago & Northwestern | 43 |
CO
| Chesapeake & Ohio | 19 |
COER
| Crab Orchard & Egyptian | 57 |
COGX
| Rail Connection, Inc. | 1 |
COVE
| COVE | 1 |
CP
| Canadian Pacific Railway | 334 |
CPA
| COUDERSPORT & PORT ALLEGHENY RAILROAD | 1 |
CPAA
| Canadian Pacific Railway | 47 |
CPPU
| Canadian Pacific Railway | 1 |
CPPX
| Consolidated Papers Incorporated | 1 |
CPR
| Canadian Pacific Railway | 122 |
CR
| Conrail | 331 |
CRDX
| Chicago Freight Car Leasing Company | 1 |
CRHA
| Candian Railroad Historical Assocation | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CRR
| Clinchfield | 2 |
CRYO
| CRYO | 1 |
CRYX
| Cryo-Trans Incorporated | 1 |
CS
| Colorado & Southern | 1 |
CSX
| CSX Railroad | 1471 |
CTCX
| Endasa S.A. De C.V. | 2 |
CTRN
| Union Pacific Railroad Company | 1 |
CTTX
| TTX Company - Autoracks | 246 |
CW
| Colorado and Wyoming | 1 |
CWRO
| Cleveland Works Rail Operations | 1 |
CXTX
| CXTX | 1 |
DAKX
| DAK Americas LLC | 1 |
DAPX
| Dairyland Power Cooperative (Wis.) | 1 |
DEGX
| Mississippi Power Company | 1 |
DGHX
| Searles Valley Minerals Operations, Inc. | 2 |
DLRX
| General Electric Rail Services | 1 |
DM
| Detroit & Mackinac | 2 |
DODX
| Department Of Defense | 1 |
DRG
| DRG | 1 |
DRGW
| Denver & Rio Grande Western | 33 |
DTTR
| DTTR | 1 |
DTTX
| TTX Company - Double Stack Cars | 12 |
DTX
| DTX | 1 |
DWC
| Canadian National Railways | 1 |
EAMX
| Everest Railcar Services, Inc | 1 |
ECCX
| Ethyl Canada Incorporated | 1 |
EDFX
| ED&F MAN LIQUID PRODUCTS LLC | 1 |
EETX
| EETX | 3 |
EFVM
| Estrada de Ferro Vitoria-Minas | 2 |
EJE
| Elgin Joliet and Eastern | 2 |
EMHU
| EMP | 1 |
EPTX
| Elk Point Transportation Co., LLC | 1 |
ETCX
| Eastman Tennessee Corporation | 1 |
ETRX
| Arkansas Power and Light Company | 1 |
ETTA
| ETTA | 1 |
ETTT
| ETTT | 1 |
ETTX
| TTX Company - Autoracks | 654 |
ETX
| ETX | 2 |
FBNS
| FBNS | 1 |
FBOX
| TTX Company | 1 |
FCA
| Ferrovia Centro Atlantica | 8 |
FEC
| Florida East Coast | 18 |
FINX
| Total Petrochemicals USA, Inc. | 1 |
FLCX
| CIT Group/Capital Finance, Inc | 2 |
FSRR
| FerroSur | 1 |
FTIX
| FAIRMOUNT MINERALS | 1 |
FURX
| First Union Rail | 1 |
FXE
| Ferromex | 577 |
G
| G | 77 |
GACX
| General American Marks Company | 2 |
GAEX
| General American Marks Company | 2 |
GALX
| Georgia Power Company | 1 |
GAPX
| Georgia Gulf Corporation-Plaquemine Division | 1 |
GBL
| GBL | 1 |
GGPX
| General American Marks Company | 1 |
GGTX
| GGTX | 2 |
GIMX
| General American Marks Company | 1 |
GMWR
| GMWR | 1 |
GNAX
| Holcim (US) Inc | 1 |
GRBX
| GRBX | 1 |
GSOX
| GSOX | 1 |
GT
| GT | 13 |
GTRA
| Golden Triangle Railroad | 1 |
GTTX
| TTX Company - Flat Cars | 4 |
GTW
| Grand Trunk Western | 302 |
HARS
| HARS | 1 |
HEQX
| Helm Financial Corporation | 1 |
HGIU
| Hub Group, Inc. | 6 |
HGZX
| HGZX | 2 |
HIPX
| NRG Energy | 1 |
HS
| H and S Railroad Company | 1 |
HZGX
| Herzog Contracting Corporation | 1 |
IANR
| Iowa Northern Ry | 6 |
IARX
| IARX | 1 |
IC
| Illinois Central | 3 |
ICE
| Iowa Chicago and Eastern | 1 |
IDTX
| IDTX | 1 |
IHB
| Indiana Harbor Belt | 1 |
IPBX
| Innophos, Inc | 1 |
ITFX
| INFINITY TRANSPORTATION III LLC | 5 |
ITGX
| Andersons - Railgroup | 1 |
JBH
| JBH | 2 |
JBUH
| JBUH | 2 |
JTX
| JTX | 1 |
KCCS
| Kansas City Clinton & Springfield | 1 |
KCS
| Kansas City Southern | 564 |
KCSM
| Kansas City Southern De Mexico | 28 |
KCSX
| KCSX | 2 |
KELX
| Kellogg Company | 1 |
KLLM
| KLLM | 1 |
KS
| KS | 1 |
KSCX
| KAPSTONE CHARLESTON KRAFT, LLC | 2 |
KTTX
| TTX Company | 5 |
LCRX
| Lower Colorado River Authority (Texas) | 1 |
LLLX
| Louisiana Leasing Limited Of Illinois | 2 |
LN
| Louisville & Nashville | 5 |
LRS
| Laurinburg and Southern | 3 |
LSRC
| Lake State Railway Company | 1 |
LSTX
| LSTX | 2 |
LTTX
| TTX Company | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MAEG
| Maersk Sealand | 1 |
MBKX
| Mitsui Rail Capital | 2 |
MDAX
| Merchants Despatch Transportation Co. | 1 |
MDR
| Kansas City Southern | 1 |
METX
| METRA | 1 |
MILW
| Milwaukee Road | 1 |
MKT
| Missouri-Kansas-Texas | 14 |
MKTP
| MKTP | 3 |
MKTW
| MKTW | 1 |
MOCX
| THE MOSAIC COMPANY | 1 |
MON
| Monon Route | 1 |
MP
| Missouri Pacific | 234 |
MRS
| Manufacturers Railway | 1 |
MRSL
| MRS Logistica | 8 |
MS
| Michigan Shore Railroad Incorporated | 1 |
MSCJ
| MSCJ | 1 |
MSRC
| Kansas City Southern | 1 |
MTFX
| MTFX | 1 |
MULX
| MULX | 1 |
MWCX
| Midwest Railcar Corporation | 3 |
MWNX
| MWNX | 1 |
NADX
| General Electric Rail Services | 2 |
NAHX
| General Electric Rail Services | 1 |
NAX
| NAX | 2 |
NCKR
| NCKR | 2 |
NCNI
| NCNI | 1 |
NDEM
| NDEM | 1 |
NDNL
| NDNL | 1 |
NEMF
| NEMF | 1 |
NIFX
| General Electric Rail Services Corporation | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 486 |
NNS
| NNS | 1 |
NOKL
| Northwestern Oklahoma | 95 |
NOKR
| NOKR | 1 |
NOLK
| NOLK | 3 |
NORX
| Northern Indiana Public Service Company | 1 |
NS
| Norfolk Southern | 1535 |
NSAX
| National Steel Corporation | 1 |
NSSX
| National Salvage and Service Corporation | 1 |
NUCX
| Nucor Steel | 1 |
NW
| Norfolk & Western | 20 |
NX
| NX | 2 |
NXCR
| NXCR | 2 |
NYC
| New York Central | 14 |
NYKU
| N.Y.K. Line | 1 |
OFOX
| RESIDCO | 2 |
OLNX
| Olin Corporation | 1 |
OLSX
| Olsen Bros Enterprises | 1 |
OTTX
| TTX Company | 1 |
PENX
| Penford Products Company | 1 |
PHLX
| Parrish & Heimbecker Limited | 2 |
PMKR
| PMKR | 1 |
PMRX
| Progress Metal Reclamation Company | 2 |
PRMX
| PRMX | 1 |
PROX
| Procor Limited | 1 |
PRR
| Pennsylvania Railroad | 1 |
PRSX
| Progress Rail Service | 1 |
PTTX
| TTX Company | 1 |
PULL
| Pullman | 1 |
PW
| Providence and Worcester | 69 |
QNSL
| Quebec, North Shore and Labrador | 1 |
RACF
| RACF | 1 |
RAIL
| Railinc Corporation | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 1 |
RBX
| Ringling Bros. and Barnum and Bailey | 2 |
RFBX
| AK IRON RESOURCES LLC | 1 |
RFFS
| RFFS | 1 |
RGCX
| Rio Grande Chemical LTD | 1 |
RLCX
| Relco | 1 |
ROCK
| Rock Island | 1 |
ROEH
| ROEH | 1 |
RP
| Railpool | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 1 |
RPOX
| RPOX | 1 |
RS
| Roberval and Saguenay Railway Company | 1 |
RTTX
| TTX Company | 8 |
SAS
| South African Railways | 29 |
SBD
| Seaboard System | 3 |
SCL
| Seaboard Coast Line | 1 |
SCMX
| Shell Oil Company | 1 |
SCRX
| SOUTH CAROLINA PUBLIC RAILWAYS | 1 |
SCYX
| First Union Rail | 3 |
SEGU
| SEGU | 1 |
SFLC
| BNSF Railway | 118 |
SHQX
| AMERICAN RAILCAR INDUSTRIES | 1 |
SLFC
| SLFC | 3 |
SLRS
| SMS Rail Service Incorporated | 1 |
SLSF
| Saint Louis-San Francisco | 5 |
SMWW
| SMWW | 1 |
SNHX
| IND/AG Chemicals Incorporated | 2 |
SOO
| Soo Line | 166 |
SOU
| Southern | 24 |
SOXX
| SMBC RAIL SERVICES LLC | 7 |
SP
| Southern Pacific | 166 |
SPHX
| SPHX | 1 |
SPX
| SPX | 1 |
SRIX
| Southwest Rail Industries Incorporated | 1 |
SRXX
| Smith Railroad Company | 1 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 75 |
STAX
| OCI Chemical Corporation | 1 |
STLX
| Tate & Lyle Ingredients Americas, Inc | 1 |
STXA
| STXA | 1 |
T
| T | 3 |
TBCX
| Boeing Company | 2 |
TBIX
| TBIX | 1 |
TBOX
| TTX Company | 1 |
TCIX
| Trinity Chemical Leasing LLC | 1 |
TCLX
| Trinity Chemical Leasing LLC | 3 |
TCQX
| Thrall Car Manufacturing Company | 1 |
TCWR
| Twin Cities and Western | 1 |
TECX
| TECX | 1 |
TFM
| Kansas City Southern De Mexico | 15 |
TGGX
| TGGX | 1 |
TGRX
| Transglobal Rail Incorporated | 1 |
TGX
| TGX | 5 |
TIGX
| TIGX | 5 |
TILX
| Trinity Industries Leasing Company | 7 |
TINX
| Trinity Railcar | 212 |
TLL
| TLL | 1 |
TMM
| TMM | 2 |
TNM
| Union Pacific Railroad Company | 32 |
TOAX
| TTX Company - Autoracks | 207 |
TOCK
| TOCK | 1 |
TOCX
| TTX Company - Autoracks | 42 |
TOFX
| TTX Company - Box Cars | 1 |
TP
| Texas & Pacific | 1 |
TPDX
| TPDX | 2 |
TR
| Tomahawk Railway L.P. | 11 |
TREX
| Tetra Technologies Incorporated | 1 |
TRGX
| First Union Rail | 1 |
TRNX
| General Electric Rail Services | 1 |
TRRX
| TRRX | 1 |
tS
| Texas Southern | 1 |
TT
| Toledo Terminal | 1 |
TTAX
| TTX Company - Spine Cars | 1 |
TTBX
| TTX Company | 28 |
TTCX
| TTX Company | 5 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 1 |
TTFX
| TTX Company | 1 |
TTG
| TTG | 2 |
TTGT
| TTGT | 1 |
TTGX
| TTX Company-Autoracks | 2025 |
TTGY
| TTGY | 1 |
TTGZ
| TTGZ | 1 |
TTHX
| TTX Company - Flat Cars | 1 |
TTJX
| TTX Company-Bulkhead Flats | 1 |
TTKX
| TTX Company | 18 |
TTLX
| TTX Company-Spine Cars | 3 |
TTNX
| TTX Company | 1 |
TTOX
| TTX Company | 8 |
TTRA
| TTRA | 1 |
TTRX
| TTX Company-Spine Cars | 8 |
TTTX
| TTX Company | 82 |
TTUX
| TTX Company | 7 |
TTVX
| TTX Company | 2 |
TTX
| TTX Company | 24 |
TTXG
| TTXG | 3 |
TTYX
| TTX Company | 1 |
UCRY
| Utah Central | 101 |
UFTX
| RESIDCO | 1 |
UP
| Union Pacific Railroad Company | 758 |
UPL
| UPL | 121 |
URCY
| URCY | 1 |
UTKX
| UTKX | 1 |
UTLX
| Union Tank Car Company | 2 |
UTX
| UTX | 1 |
V
| V | 10 |
VBKT
| VBKT | 1 |
VELX
| VELX | 1 |
VLI
| Valor da Logistica Integrada | 2 |
VMSX
| VALERO MARKETING AND SUPPLY COMPANY | 1 |
VNSX
| VNSX | 1 |
WC
| Wisconsin Central | 104 |
WCRC
| Washington Central | 1 |
WE
| Wheeling & Lake Erie | 2 |
WFRK
| WFRK | 2 |
WFRX
| WELLS FARGO RAIL CORPORATION | 2 |
WLO
| Waterloo Railway Company (Illinois Central) | 7 |
WLPX
| Westlake Polymers Corporation | 6 |
WP
| Western Pacific | 4 |
WPEX
| Wabash Power Equipment Company | 1 |
WRWK
| Providence & Worchester Railroad | 100 |
WRWX
| Trinity Industries Inc. | 2 |
WT
| Wrightsville & Tennille | 1 |
XOMX
| Exxon Mobil Corporation | 1 |
XPOU
| XPOU | 1 |
XTRX
| First Union Rail | 1 |
YANK
| YANK | 1 |
YYGX
| YYGX | 2 |
YYUX
| YYUX | 1 |