APPX
| Appalachian Railcar Services | 2 |
DJJX
| Joseph Transportation Incorporated | 86 |
ECXX
| East Carbon Development Company | 1 |
GACX
| General American Marks Company | 19 |
GCCX
| General American Marks Company | 2 |
NSSX
| National Salvage and Service Corporation | 2 |
RTPX
| General Electric Rail Services | 12 |