ABOX
| TTX Company | 5 |
AGR
| Alabama and Gulf Coast | 32 |
AOK
| Arkansas-Oklahoma Railroad | 20 |
ATW
| Atlantic and Western | 8 |
BAEX
| Andersons | 1 |
BAYL
| Bay Line, LLC | 1 |
BCOL
| Canadian National Railways | 5 |
BKTY
| Union Pacific Railroad Company | 19 |
BM
| Boston & Maine | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 7 |
BPRR
| Buffalo and Pittsburgh | 4 |
BR
| Buffalo and Pittsburgh | 1 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CIBX
| CIT Group/Capital Finance, Inc | 2 |
CIRR
| Chattahoochee Industrial Railroad | 7 |
CMQ
| CENTRAL MAINE & QUEBEC RAILWAY | 2 |
CN
| Canadian National Railways | 170 |
CNA
| Canadian National Railways | 83 |
CNIS
| Canadian National Railways | 48 |
CNW
| Chicago & Northwestern | 3 |
COER
| Crab Orchard & Egyptian | 13 |
CP
| Canadian Pacific Railway | 129 |
CPAA
| Canadian Pacific Railway | 25 |
CR
| Conrail | 1 |
CRLE
| Coe Rail Incorporated | 17 |
CSX
| CSX Railroad | 35 |
CV
| Central Vermont | 6 |
DWC
| Canadian National Railways | 35 |
EEC
| East Erie Commercial Railroad | 44 |
ELS
| Escanaba and Lake Superior Railroad Comp | 2 |
FBOX
| TTX Company | 61 |
FCRD
| First Coast Railway | 1 |
GACX
| General American Marks Company | 1 |
GMRC
| Green Mountain RR | 37 |
GNRR
| Georgia Northeastern | 6 |
GNWR
| Genesee and Wyoming Railroad Company | 12 |
GTW
| Grand Trunk Western | 42 |
HCRY
| Huron Central Railway | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
HS
| H and S Railroad Company | 48 |
IANR
| Iowa Northern Ry | 46 |
IBT
| International Bridge and Terminal Company | 4 |
ICG
| Illinois Central Gulf | 1 |
KCS
| Kansas City Southern | 10 |
KCSM
| Kansas City Southern De Mexico | 6 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LRS
| Laurinburg and Southern | 14 |
LW
| Louisville and Wadley Railway Company | 45 |
LXOH
| Knoxville & Holston River Railroad | 1 |
MB
| Meridian & Bigbee | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 26 |
MEC
| Maine Central | 20 |
MMA
| Montreal, Maine & Atlantic | 32 |
MP
| Missouri Pacific | 8 |
MRL
| Montana Rail Link | 1 |
MSDR
| Knoxville & Holston River Railroad | 9 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 1 |
NOKL
| Northwestern Oklahoma | 25 |
NS
| Norfolk Southern | 93 |
OAR
| Old Augusta Railroad | 3 |
ONT
| Ontario Northland Railway | 40 |
PDRR
| Pee Dee River RR | 4 |
QC
| Quebec Central | 2 |
QGRY
| Quebec Gatineau Railway Incorporated | 8 |
RBOX
| Railbox Company | 70 |
SLC
| San Luis Central Railroad Company | 14 |
SLGG
| Progress Rail Services Corporation | 2 |
SLR
| St Lawrence & Atlantic | 41 |
SMW
| St Marys Railway West LLC | 6 |
SNC
| Saratoga & North Creek Railway | 4 |
SOO
| Soo Line | 3 |
SOU
| Southern | 83 |
SP
| Southern Pacific | 6 |
SRN
| Sabine River & Northern | 3 |
SRY
| Southern Railway of British Columbia Lim | 5 |
SSW
| St Louis Southwestern (Cotton Belt) | 2 |
TASD
| Terminal Alabama State Docks | 1 |
TBOX
| TTX Company | 14 |
TFM
| Kansas City Southern De Mexico | 1 |
TOBX
| TTX Company - Box Cars | 2 |
TOFX
| TTX Company - Box Cars | 7 |
TR
| Tomahawk Railway L.P. | 95 |
TSRD
| Twin State Railroad Company | 1 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 109 |
WCCL
| Wisconsin Central | 2 |
WLO
| Waterloo Railway Company (Illinois Central) | 2 |
WRWK
| Providence & Worchester Railroad | 19 |
WSOR
| Wisconsin & Southern | 1 |
YKR
| York Rail | 2 |
YVRR
| Yadkin Valley | 3 |