ALAB
| Alabama Railroad | 1 |
CNW
| Chicago & Northwestern | 4 |
MP
| Missouri Pacific | 1 |
NYC
| New York Central | 1 |
PLCX
| General Electric Rail Services | 1 |
RCPE
| Rapid City Pierre & Eastern Railroad | 1 |
SP
| Southern Pacific | 1 |
SRCX
| Sid Richardson Carbon Company | 3 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |