AOK
| Arkansas-Oklahoma Railroad | 5 |
ATW
| Atlantic and Western | 2 |
BCOL
| Canadian National Railways | 8 |
CBRY
| Copper Basin Railway | 2 |
CN
| Canadian National Railways | 2 |
DWC
| Canadian National Railways | 8 |
GNRR
| Georgia Northeastern | 3 |
GTW
| Grand Trunk Western | 4 |
IC
| Illinois Central | 1 |
NOKL
| Northwestern Oklahoma | 4 |
SMW
| St Marys Railway West LLC | 6 |
TTZX
| TTX Company-Centerbeam Flats | 4 |
UCRY
| Utah Central | 1 |
WC
| Wisconsin Central | 3 |
WRWK
| Providence & Worchester Railroad | 2 |