CR
| Conrail | 13 |
CSX
| CSX Railroad | 32 |
DJJX
| Joseph Transportation Incorporated | 1 |
MLMX
| Metal Management Inc. | 1 |
NS
| Norfolk Southern | 126 |
NSSX
| National Salvage and Service Corporation | 2 |
PPLX
| Pennsylvania Power and Light Company | 1 |
TILX
| Trinity Industries Leasing Company | 2 |