AMTK
| Amtrak | 63 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
CGW
| Chicago Great Western | 1 |
CN
| Canadian National Railways | 6 |
CNW
| Chicago & Northwestern | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
DLW
| Delaware Lackawanna & Western | 1 |
DOTX
| USDOT/Federal Railroad Administration | 2 |
FXE
| Ferromex | 4 |
GTLX
| Great Lakes Railcar, Inc. | 3 |
IANR
| Iowa Northern Ry | 4 |
IDTX
| Illinois Department of Transportation | 13 |
METX
| METRA | 4 |
MILW
| Milwaukee Road | 5 |
MKT
| Missouri-Kansas-Texas | 3 |
NS
| Norfolk Southern | 1 |
NSR
| Newburgh and South Shore Railroad Compan | 3 |
NSRX
| Railroading Heritage Of Midwest America | 11 |
PPCX
| AAPRCO Register Private Cars | 38 |
RPCX
| Railroad Passenger Car Numbering Bureau | 6 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 8 |
SLRG
| San Luis and Rio Grande Railroad | 8 |
UPP
| Union Pacific Passenger | 47 |
WC
| Wisconsin Central | 1 |
WRHX
| Creative Charters Inc | 2 |
WSOR
| Wisconsin & Southern | 1 |