AOK
| Arkansas-Oklahoma Railroad | 39 |
ATW
| Atlantic and Western | 22 |
BCOL
| Canadian National Railways | 5 |
BNSF
| BNSF Railway | 1 |
BR
| Buffalo and Pittsburgh | 4 |
CBRY
| Copper Basin Railway | 3 |
CN
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CSX
| CSX Railroad | 11 |
DWC
| Canadian National Railways | 4 |
FURX
| First Union Rail | 6 |
GTW
| Grand Trunk Western | 2 |
IANR
| Iowa Northern Ry | 3 |
IC
| Illinois Central | 2 |
LRS
| Laurinburg and Southern | 2 |
LW
| Louisville and Wadley Railway Company | 1 |
MSRC
| Kansas City Southern | 2 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 8 |
NS
| Norfolk Southern | 28 |
ONT
| Ontario Northland Railway | 1 |
SMW
| St Marys Railway West LLC | 4 |
SOO
| Soo Line | 5 |
TR
| Tomahawk Railway L.P. | 1 |
TTZX
| TTX Company-Centerbeam Flats | 50 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 14 |
WRWK
| Providence & Worchester Railroad | 6 |