AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 5 |
BN
| Burlington Northern | 4 |
BNSF
| BNSF Railway | 8 |
BS
| Birmingham Southern RR | 3 |
CN
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CSX
| CSX Railroad | 1 |
EJE
| Elgin Joliet and Eastern | 1 |
KCS
| Kansas City Southern | 4 |
LW
| Louisville and Wadley Railway Company | 4 |
NS
| Norfolk Southern | 7 |
TR
| Tomahawk Railway L.P. | 3 |