ATW
| Atlantic and Western | 1 |
BNSF
| BNSF Railway | 2 |
CN
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 5 |
FBOX
| TTX Company | 7 |
GTW
| Grand Trunk Western | 1 |
IBT
| International Bridge and Terminal Company | 6 |
KCS
| Kansas City Southern | 2 |
LW
| Louisville and Wadley Railway Company | 1 |
NDYX
| First Union Rail | 1 |
QGRY
| Quebec Gatineau Railway Incorporated | 2 |
TR
| Tomahawk Railway L.P. | 1 |