BN
| Burlington Northern | 1 |
CIRR
| Chattahoochee Industrial Railroad | 1 |
CNW
| Chicago & Northwestern | 1 |
CPAA
| Canadian Pacific Railway | 1 |
CSX
| CSX Railroad | 32 |
FXE
| Ferromex | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
HS
| H and S Railroad Company | 3 |
NS
| Norfolk Southern | 10 |
SOU
| Southern | 38 |