CSX
| CSX Railroad | 13 |
LN
| Louisville & Nashville | 71 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 5 |
NRTX
| Nashville Music City Star | 6 |
NYC
| New York Central | 1 |
PPCX
| AAPRCO Register Private Cars | 2 |
RCPX
| Railcar Limited | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 4 |
SOU
| Southern | 1 |