AMTK
| Amtrak | 155 |
BNSF
| BNSF Railway | 5 |
CBQ
| Chicago Burlington & Quincy | 1 |
CDTX
| California DOT | 41 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
DRGW
| Denver & Rio Grande Western | 11 |
GCRY
| Grand Canyon Railway | 3 |
GGMX
| Golden Gate Railroad Museum Incorporated | 9 |
MKT
| Missouri-Kansas-Texas | 7 |
NJT
| New Jersey Transit | 1 |
NSR
| Newburgh and South Shore Railroad Compan | 1 |
PPCX
| AAPRCO Register Private Cars | 62 |
PRIV
| PRIV | 2 |
RBBX
| Ringling Bros. and Barnum and Bailey | 32 |
RPCX
| Railroad Passenger Car Numbering Bureau | 48 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 3 |
SDNX
| Coaster | 1 |
SP
| Southern Pacific | 14 |
UP
| Union Pacific Railroad Company | 1 |
UPP
| Union Pacific Passenger | 108 |
UTAX
| Utah Frontrunner | 1 |
VIA
| Via Rail Canada | 1 |