ASGX
| Ash Grove Cement Company | 2 |
CNW
| Chicago & Northwestern | 1 |
CSX
| CSX Railroad | 2 |
GACX
| General American Marks Company | 6 |
GLC
| Great Lakes Central Railroad | 1 |
MRL
| Montana Rail Link | 1 |
NAHX
| General Electric Rail Services | 1 |
NW
| Norfolk & Western | 1 |
WW
| Winchester & Western | 1 |