AOK
| Arkansas-Oklahoma Railroad | 6 |
ATW
| Atlantic and Western | 6 |
BKTY
| Union Pacific Railroad Company | 1 |
BNSF
| BNSF Railway | 20 |
CN
| Canadian National Railways | 1 |
CNA
| Canadian National Railways | 1 |
FBOX
| TTX Company | 22 |
GACX
| General American Marks Company | 1 |
GTW
| Grand Trunk Western | 4 |
HS
| H and S Railroad Company | 2 |
IANR
| Iowa Northern Ry | 1 |
IBT
| International Bridge and Terminal Company | 1 |
IC
| Illinois Central | 1 |
KCS
| Kansas City Southern | 6 |
LRS
| Laurinburg and Southern | 1 |
MMA
| Montreal, Maine & Atlantic | 1 |
MP
| Missouri Pacific | 1 |
NOKL
| Northwestern Oklahoma | 6 |
NS
| Norfolk Southern | 2 |
QC
| Quebec Central | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 2 |
TOFX
| TTX Company - Box Cars | 2 |
TR
| Tomahawk Railway L.P. | 2 |
UCRY
| Utah Central | 1 |
WC
| Wisconsin Central | 1 |