AOK
| Arkansas-Oklahoma Railroad | 2 |
CN
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
FDDM
| Fort Dodge Des Moines & Southern | 1 |
IC
| Illinois Central | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 2 |
SERA
| Sierra Northern Railway | 1 |
SOO
| Soo Line | 1 |
TTZX
| TTX Company-Centerbeam Flats | 3 |
UP
| Union Pacific Railroad Company | 2 |
WFRX
| WELLS FARGO RAIL CORPORATION | 2 |
WRWK
| Providence & Worchester Railroad | 1 |