AMTK
| Amtrak | 9 |
BAR
| Bangor & Aroostook | 2 |
BNSF
| BNSF Railway | 3 |
CBQ
| Chicago Burlington & Quincy | 1 |
CN
| Canadian National Railways | 4 |
CSX
| CSX Railroad | 5 |
DOTX
| USDOT/Federal Railroad Administration | 4 |
IC
| Illinois Central | 1 |
MRLX
| Mid America Rail Car Leasing | 1 |
NS
| Norfolk Southern | 1 |
PAL
| Paducah & Louisville | 3 |
PPCX
| AAPRCO Register Private Cars | 8 |
ROCK
| Rock Island | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 3 |
WP
| Western Pacific | 1 |