CP
| Canadian Pacific Railway | 1 |
CR
| Conrail | 7 |
CSX
| CSX Railroad | 1 |
ITLX
| General Electric Rail Services | 1 |
LN
| Louisville & Nashville | 1 |
NAHX
| General Electric Rail Services | 1 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 1 |
SCL
| Seaboard Coast Line | 1 |
WE
| Wheeling & Lake Erie | 1 |
WW
| Winchester & Western | 3 |