CN
| Canadian National Railways | 1 |
CRLE
| Coe Rail Incorporated | 1 |
FBOX
| TTX Company | 3 |
GMRC
| Green Mountain RR | 1 |
GTW
| Grand Trunk Western | 6 |
IBT
| International Bridge and Terminal Company | 1 |
KCS
| Kansas City Southern | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |