ACEX
| Altamont Commuter Express | 2 |
AMTK
| Amtrak | 18 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
CBQ
| Chicago Burlington & Quincy | 1 |
CDTX
| California DOT | 6 |
GA
| Georgia Railroad | 2 |
GMO
| Gulf Mobile & Ohio | 3 |
GN
| Great Northern | 1 |
JPBX
| Joint Powers Board (CalTrain) | 1 |
MRLX
| Mid America Rail Car Leasing | 5 |
NYC
| New York Central | 1 |
PPCX
| AAPRCO Register Private Cars | 69 |
PRWX
| Railway Entertainment Services Inc. | 4 |
RDG
| Reading Railroad | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
SLRG
| San Luis and Rio Grande Railroad | 14 |
SOU
| Southern | 1 |
SP
| Southern Pacific | 1 |
TCRX
| Tennessee Central Railway Musem | 5 |
TRCX
| Florida Tri-Rail | 1 |
UPP
| Union Pacific Passenger | 1 |
VT
| Virginia & Truckee | 1 |