BNSF
| BNSF Railway | 2 |
CNW
| Chicago & Northwestern | 5 |
CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 5 |
IC
| Illinois Central | 1 |
ICE
| Iowa Chicago and Eastern | 1 |
LW
| Louisville and Wadley Railway Company | 1 |
MP
| Missouri Pacific | 6 |
MVRY
| Mahoning Valley Ry | 2 |
NOKL
| Northwestern Oklahoma | 1 |
NS
| Norfolk Southern | 5 |
NSSX
| National Salvage and Service Corporation | 1 |
PAL
| Paducah & Louisville | 1 |
SMIX
| Structural Metals Incorporated | 4 |
SP
| Southern Pacific | 5 |
WCRC
| Washington Central | 6 |