AGR
| Alabama and Gulf Coast | 1 |
ATW
| Atlantic and Western | 1 |
CNW
| Chicago & Northwestern | 1 |
CSX
| CSX Railroad | 1 |
EEC
| East Erie Commercial Railroad | 5 |
GMRC
| Green Mountain RR | 1 |
HS
| H and S Railroad Company | 5 |
MEC
| Maine Central | 5 |
NECR
| New England Central | 1 |
NS
| Norfolk Southern | 2 |
PDRR
| Pee Dee River RR | 1 |
SGLR
| Seminole Gulf | 1 |
SIRX
| Southern Illinois Railcar Company | 1 |
SRN
| Sabine River & Northern | 1 |