AOK
| Arkansas-Oklahoma Railroad | 2 |
ATW
| Atlantic and Western | 8 |
BNSF
| BNSF Railway | 11 |
CN
| Canadian National Railways | 2 |
COER
| Crab Orchard & Egyptian | 2 |
CRLE
| Coe Rail Incorporated | 9 |
CUOH
| Columbus and Ohio River Railroad Company | 3 |
FBOX
| TTX Company | 3 |
GMRC
| Green Mountain RR | 1 |
GTW
| Grand Trunk Western | 7 |
HS
| H and S Railroad Company | 5 |
IBT
| International Bridge and Terminal Company | 19 |
KCS
| Kansas City Southern | 6 |
LRS
| Laurinburg and Southern | 13 |
LW
| Louisville and Wadley Railway Company | 5 |
MQT
| Marquette Rail | 3 |
NOKL
| Northwestern Oklahoma | 6 |
NS
| Norfolk Southern | 4 |
QC
| Quebec Central | 7 |
QGRY
| Quebec Gatineau Railway Incorporated | 4 |
SLR
| St Lawrence & Atlantic | 3 |
SOU
| Southern | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 6 |
TOFX
| TTX Company - Box Cars | 12 |
TR
| Tomahawk Railway L.P. | 9 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 4 |