BCOL
| Canadian National Railways | 1 |
CN
| Canadian National Railways | 2 |
CP
| Canadian Pacific Railway | 3 |
EIRR
| Eastern Idaho Railroad Incorporated | 1 |
ETMX
| Etarco Rail Services Inc. | 1 |
INPR
| Idaho Northern and Pacific Railroad | 2 |
MP
| Missouri Pacific | 1 |
UP
| Union Pacific Railroad Company | 2 |