ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 4 |
FBOX
| TTX Company | 12 |
GTW
| Grand Trunk Western | 1 |
HS
| H and S Railroad Company | 1 |
IBT
| International Bridge and Terminal Company | 3 |
KCS
| Kansas City Southern | 1 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 5 |
QC
| Quebec Central | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 4 |
TOFX
| TTX Company - Box Cars | 1 |
TR
| Tomahawk Railway L.P. | 2 |
WRWK
| Providence & Worchester Railroad | 1 |