DRGW
| Denver & Rio Grande Western | 4 |
GFRR
| Georgia and Florida Railnet | 1 |
LRS
| Laurinburg and Southern | 5 |
MP
| Missouri Pacific | 6 |
SP
| Southern Pacific | 17 |
SSW
| St Louis Southwestern (Cotton Belt) | 23 |
UP
| Union Pacific Railroad Company | 5 |
WSOR
| Wisconsin & Southern | 3 |
YKR
| York Rail | 4 |