AEC
| Atlantic and East Carolina Railway Compa | 1 |
LN
| Louisville & Nashville | 7 |
NRTX
| Nashville Music City Star | 1 |
NW
| Norfolk & Western | 5 |
PRR
| Pennsylvania Railroad | 1 |
RNRH
| RNRH | 1 |
SCL
| Seaboard Coast Line | 1 |
SGLR
| Seminole Gulf | 3 |
SOU
| Southern | 25 |
TVRM
| Tennessee Valley | 3 |