ATW
| Atlantic and Western | 3 |
BCOL
| Canadian National Railways | 1 |
CAIX
| CAI Rail Inc. | 2 |
ICG
| Illinois Central Gulf | 3 |
NOKL
| Northwestern Oklahoma | 1 |
SOU
| Southern | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TTJX
| TTX Company-Bulkhead Flats | 1 |
TTPX
| TTX Company - Bulkhead Flats | 12 |
UP
| Union Pacific Railroad Company | 1 |