ATSF
| Atchison Topeka & Santa Fe | 4 |
BNSF
| BNSF Railway | 55 |
CBQ
| Chicago Burlington & Quincy | 1 |
CGW
| Chicago Great Western | 1 |
CN
| Canadian National Railways | 24 |
CO
| Chesapeake & Ohio | 1 |
CP
| Canadian Pacific Railway | 6 |
CRIP
| Chicago Rock Island & Pacific | 8 |
DMIR
| Duluth Missabe & Iron Range | 8 |
DMN
| Duluth Missabe and Northern Railway | 2 |
DOTX
| USDOT/Federal Railroad Administration | 4 |
GCRY
| Grand Canyon Railway | 2 |
GN
| Great Northern | 2 |
MILW
| Milwaukee Road | 12 |
MKT
| Missouri-Kansas-Texas | 8 |
MNS
| Minneapolis Northfield & Southern | 6 |
MNTX
| Minnesota Transportation Museum, Inc. | 6 |
NN
| Northern Nevada Railroad Corporation | 1 |
NSRX
| Railroading Heritage Of Midwest America | 11 |
NW
| Norfolk & Western | 32 |
NYC
| New York Central | 4 |
PPCX
| AAPRCO Register Private Cars | 38 |
RGS
| Rio Grande Southern | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 1 |
SOU
| Southern | 6 |
SUEX
| SUEX | 14 |
TC
| Temple & Central Texas | 1 |
TC1
| Tennessee Central | 1 |
TSE
| Texas South-Eastern Railroad Company | 4 |
UP
| Union Pacific Railroad Company | 9 |