BN
| Burlington Northern | 5 |
CN
| Canadian National Railways | 2 |
CNA
| Canadian National Railways | 2 |
CNIS
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CSX
| CSX Railroad | 4 |
FBOX
| TTX Company | 1 |
KCS
| Kansas City Southern | 2 |
LW
| Louisville and Wadley Railway Company | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |
WC
| Wisconsin Central | 1 |