BCOL
| Canadian National Railways | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 20 |
HLSC
| Hampton Railway Incorporated | 5 |
TNER
| Texas Northeastern Division Mid-Michigan | 1 |
TTZX
| TTX Company-Centerbeam Flats | 51 |
UP
| Union Pacific Railroad Company | 7 |
WCRC
| Washington Central | 19 |