CN
| Canadian National Railways | 1 |
CNW
| Chicago & Northwestern | 1 |
COER
| Crab Orchard & Egyptian | 2 |
CSX
| CSX Railroad | 3 |
FBOX
| TTX Company | 5 |
LW
| Louisville and Wadley Railway Company | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |
TR
| Tomahawk Railway L.P. | 1 |
WC
| Wisconsin Central | 3 |
YKR
| York Rail | 1 |