AOK
| Arkansas-Oklahoma Railroad | 5 |
BNSF
| BNSF Railway | 79 |
COER
| Crab Orchard & Egyptian | 2 |
FBOX
| TTX Company | 15 |
IBT
| International Bridge and Terminal Company | 58 |
KCS
| Kansas City Southern | 2 |
LRS
| Laurinburg and Southern | 2 |
MDW
| Minnesota Dakota and Western Railway Com | 2 |
MRL
| Montana Rail Link | 12 |
MTNR
| Mississippi Tennessee Railroad LLC | 2 |
NOKL
| Northwestern Oklahoma | 15 |
SP
| Southern Pacific | 2 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TOFX
| TTX Company - Box Cars | 2 |
TR
| Tomahawk Railway L.P. | 10 |
WRWK
| Providence & Worchester Railroad | 1 |