ATW
| Atlantic and Western | 1 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 2 |
CGLX
| GATX Rail Canada | 1 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CN
| Canadian National Railways | 7 |
COER
| Crab Orchard & Egyptian | 1 |
CR
| Conrail | 13 |
CSS
| Chicago South Shore And South Bend | 3 |
CSX
| CSX Railroad | 34 |
CTRN
| Union Pacific Railroad Company | 7 |
DLRX
| General Electric Rail Services | 3 |
GTW
| Grand Trunk Western | 1 |
HS
| H and S Railroad Company | 1 |
IC
| Illinois Central | 5 |
KCS
| Kansas City Southern | 6 |
LRS
| Laurinburg and Southern | 2 |
MP
| Missouri Pacific | 8 |
NDYX
| First Union Rail | 1 |
NOKL
| Northwestern Oklahoma | 2 |
NS
| Norfolk Southern | 41 |
NYC
| New York Central | 4 |
SMW
| St Marys Railway West LLC | 1 |
TFM
| Kansas City Southern De Mexico | 2 |
UP
| Union Pacific Railroad Company | 3 |