ATW
| Atlantic and Western | 3 |
ELS
| Escanaba and Lake Superior Railroad Comp | 2 |
FCRD
| First Coast Railway | 4 |
FSRR
| FerroSur | 4 |
LRS
| Laurinburg and Southern | 4 |
LRWN
| Little Rock & Western | 1 |
MB
| Meridian & Bigbee | 16 |
MQT
| Marquette Rail | 1 |
RBOX
| Railbox Company | 304 |
SGLR
| Seminole Gulf | 4 |
SOU
| Southern | 3 |