AGR
| Alabama and Gulf Coast | 2 |
ATW
| Atlantic and Western | 1 |
CNW
| Chicago & Northwestern | 1 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 2 |
EEC
| East Erie Commercial Railroad | 1 |
FBOX
| TTX Company | 1 |
HS
| H and S Railroad Company | 1 |
MEC
| Maine Central | 1 |
NS
| Norfolk Southern | 1 |
RBOX
| Railbox Company | 2 |
SLC
| San Luis Central Railroad Company | 1 |
SOU
| Southern | 1 |