AOK
| Arkansas-Oklahoma Railroad | 32 |
ATW
| Atlantic and Western | 13 |
BCOL
| Canadian National Railways | 4 |
BNSF
| BNSF Railway | 1 |
BR
| Buffalo and Pittsburgh | 3 |
CBRY
| Copper Basin Railway | 1 |
CN
| Canadian National Railways | 2 |
CNIS
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CSX
| CSX Railroad | 10 |
DWC
| Canadian National Railways | 4 |
FURX
| First Union Rail | 4 |
GAEX
| General American Marks Company | 1 |
GTW
| Grand Trunk Western | 2 |
IANR
| Iowa Northern Ry | 3 |
IC
| Illinois Central | 2 |
KCS
| Kansas City Southern | 1 |
KLRX
| KOCH RAIL LLC | 1 |
MSRC
| Kansas City Southern | 1 |
NDYX
| First Union Rail | 2 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 1 |
SMW
| St Marys Railway West LLC | 2 |
SOO
| Soo Line | 2 |
TR
| Tomahawk Railway L.P. | 1 |
TTZX
| TTX Company-Centerbeam Flats | 33 |
WC
| Wisconsin Central | 10 |
WRWK
| Providence & Worchester Railroad | 3 |