CRIP
| Chicago Rock Island & Pacific | 1 |
NCX
| NCX | 2 |
NMRX
| New Mexico Department Of Transportation | 2 |
OKRX
| Oklahoma Railway Museum Ltd | 12 |
PPCX
| AAPRCO Register Private Cars | 2 |
RNCX
| North Carolina Dept Of Transportation | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |