AGR
| Alabama and Gulf Coast | 1 |
ATW
| Atlantic and Western | 1 |
CIRR
| Chattahoochee Industrial Railroad | 1 |
EEC
| East Erie Commercial Railroad | 1 |
HS
| H and S Railroad Company | 2 |
KCS
| Kansas City Southern | 1 |
MSDR
| Knoxville & Holston River Railroad | 1 |
SLGG
| Progress Rail Services Corporation | 2 |