AMTK
| Amtrak | 4 |
ARR
| Alaska Railroad | 10 |
HALX
| Holland American Line - Westours Incorporated | 6 |
MRLX
| Mid America Rail Car Leasing | 5 |
MSEX
| Tour Alaska Inc.Dba Princess Tour | 2 |
NP
| Northern Pacific | 2 |
NRHX
| National Railway Historical Society | 6 |
NSRX
| Railroading Heritage Of Midwest America | 5 |
PPCX
| AAPRCO Register Private Cars | 15 |
RPCX
| Railroad Passenger Car Numbering Bureau | 27 |
TCRX
| Tennessee Central Railway Musem | 5 |
WATX
| Watco | 4 |