AOK
| Arkansas-Oklahoma Railroad | 2 |
ATW
| Atlantic and Western | 10 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CN
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 3 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 21 |
CRLE
| Coe Rail Incorporated | 1 |
CSS
| Chicago South Shore And South Bend | 10 |
CSX
| CSX Railroad | 21 |
FSRR
| FerroSur | 2 |
FXE
| Ferromex | 4 |
GTW
| Grand Trunk Western | 5 |
HS
| H and S Railroad Company | 9 |
KCS
| Kansas City Southern | 6 |
LRS
| Laurinburg and Southern | 1 |
LW
| Louisville and Wadley Railway Company | 8 |
NS
| Norfolk Southern | 51 |
NW
| Norfolk & Western | 4 |
NYC
| New York Central | 5 |
RVPR
| Riverport R.R., L.L.C. | 2 |
SMW
| St Marys Railway West LLC | 1 |
TFM
| Kansas City Southern De Mexico | 18 |
TR
| Tomahawk Railway L.P. | 6 |
UP
| Union Pacific Railroad Company | 14 |