AOK
| Arkansas-Oklahoma Railroad | 6 |
BCOL
| Canadian National Railways | 3 |
COER
| Crab Orchard & Egyptian | 2 |
GFRR
| Georgia and Florida Railnet | 3 |
GMSR
| Kansas City Southern | 1 |
HS
| H and S Railroad Company | 3 |
IBT
| International Bridge and Terminal Company | 8 |
KCS
| Kansas City Southern | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 11 |
MP
| Missouri Pacific | 14 |
NYC
| New York Central | 1 |
TR
| Tomahawk Railway L.P. | 6 |
UP
| Union Pacific Railroad Company | 1 |