AOK
| Arkansas-Oklahoma Railroad | 1 |
ATW
| Atlantic and Western | 1 |
BCOL
| Canadian National Railways | 2 |
CN
| Canadian National Railways | 5 |
IANR
| Iowa Northern Ry | 1 |
IC
| Illinois Central | 1 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 3 |
SOO
| Soo Line | 2 |
TTZX
| TTX Company-Centerbeam Flats | 2 |
UCRY
| Utah Central | 2 |
WC
| Wisconsin Central | 1 |