ATW
| Atlantic and Western | 1 |
CN
| Canadian National Railways | 2 |
CNA
| Canadian National Railways | 1 |
CPAA
| Canadian Pacific Railway | 1 |
FBOX
| TTX Company | 1 |
GTW
| Grand Trunk Western | 1 |
IANR
| Iowa Northern Ry | 1 |
KLRX
| KOCH RAIL LLC | 1 |
LRS
| Laurinburg and Southern | 5 |
NRI
| Nebkota Railway Incorporated | 2 |
NS
| Norfolk Southern | 1 |
SGLR
| Seminole Gulf | 1 |
SOU
| Southern | 2 |