AGR
| Alabama and Gulf Coast | 4 |
BKTY
| Union Pacific Railroad Company | 5 |
CNW
| Chicago & Northwestern | 2 |
CSX
| CSX Railroad | 5 |
EEC
| East Erie Commercial Railroad | 3 |
HS
| H and S Railroad Company | 1 |
IANR
| Iowa Northern Ry | 1 |
KCS
| Kansas City Southern | 1 |
LRS
| Laurinburg and Southern | 4 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MRL
| Montana Rail Link | 2 |
SNC
| Saratoga & North Creek Railway | 1 |
SRN
| Sabine River & Northern | 3 |