CN
| Canadian National Railways | 2 |
CW
| Colorado and Wyoming | 1 |
ICG
| Illinois Central Gulf | 1 |
ITLX
| General Electric Rail Services | 2 |
MP
| Missouri Pacific | 1 |
NOKL
| Northwestern Oklahoma | 1 |
RDRX
| RDRX | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 6 |
TTJX
| TTX Company-Bulkhead Flats | 1 |
TTPX
| TTX Company - Bulkhead Flats | 35 |
UP
| Union Pacific Railroad Company | 8 |