BCOL
| Canadian National Railways | 1 |
BN
| Burlington Northern | 1 |
IC
| Illinois Central | 3 |
MP
| Missouri Pacific | 6 |
NS
| Norfolk Southern | 4 |
NW
| Norfolk & Western | 2 |
QUAX
| Redstreak, LLC | 1 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 16 |
SPSX
| Progress Rail Services Corp | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
UP
| Union Pacific Railroad Company | 52 |