AGR
| Alabama and Gulf Coast | 10 |
CIRR
| Chattahoochee Industrial Railroad | 2 |
CSX
| CSX Railroad | 7 |
EEC
| East Erie Commercial Railroad | 1 |
FCRD
| First Coast Railway | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 1 |
OHPA
| Ohio and Pennsylvania Railroad Company | 1 |
SOU
| Southern | 3 |