BCOL
| Canadian National Railways | 1 |
BNSF
| BNSF Railway | 1 |
CN
| Canadian National Railways | 8 |
CO
| Chesapeake & Ohio | 1 |
CP
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 18 |
FTSX
| Fairmont Tamper | 1 |
IC
| Illinois Central | 3 |
MP
| Missouri Pacific | 1 |
MRL
| Montana Rail Link | 1 |
NS
| Norfolk Southern | 2 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 1 |
SBD
| Seaboard System | 3 |
SOO
| Soo Line | 6 |
SOU
| Southern | 3 |
SPSX
| Progress Rail Services Corp | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
WC
| Wisconsin Central | 2 |