BNSF
| BNSF Railway | 4 |
CN
| Canadian National Railways | 1 |
DOTX
| USDOT/Federal Railroad Administration | 3 |
NYC
| New York Central | 1 |
PPCX
| AAPRCO Register Private Cars | 48 |
RBBX
| Ringling Bros. and Barnum and Bailey | 5 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
SP
| Southern Pacific | 3 |
UPP
| Union Pacific Passenger | 1 |