ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 5 |
FBOX
| TTX Company | 7 |
IBT
| International Bridge and Terminal Company | 3 |
NOKL
| Northwestern Oklahoma | 2 |
SRN
| Sabine River & Northern | 1 |
TOFX
| TTX Company - Box Cars | 1 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 1 |