BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 3 |
CGW
| Chicago Great Western | 2 |
CN
| Canadian National Railways | 9 |
CNW
| Chicago & Northwestern | 3 |
CP
| Canadian Pacific Railway | 49 |
CWRX
| CWR TRANSPORTATION CO. | 7 |
LMIX
| Loram Maintenance of Way Inc. | 1 |
MILW
| Milwaukee Road | 4 |
MP
| Missouri Pacific | 19 |
NS
| Norfolk Southern | 10 |
RWCX
| RWC Incorporated | 3 |
SOO
| Soo Line | 45 |
SPSX
| Progress Rail Services Corp | 3 |
UP
| Union Pacific Railroad Company | 8 |
WSOR
| Wisconsin & Southern | 1 |