AC
| Algoma Central | 1 |
ACL
| Atlantic Coast Line | 3 |
ADIX
| Adirondack Railway Preservation Society | 2 |
AMTK
| Amtrak | 14 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
BGRM
| Bluegrass Railroad Museum | 2 |
BM
| Boston & Maine | 1 |
CBQ
| Chicago Burlington & Quincy | 8 |
CN
| Canadian National Railways | 1 |
CO
| Chesapeake & Ohio | 1 |
DRGW
| Denver & Rio Grande Western | 2 |
GLC
| Great Lakes Central Railroad | 5 |
GN
| Great Northern | 3 |
GTLX
| Great Lakes Railcar, Inc. | 1 |
HVSX
| HVSX | 1 |
IC
| Illinois Central | 6 |
LN
| Louisville & Nashville | 3 |
MSTX
| MSTX | 6 |
NP
| Northern Pacific | 1 |
NYC
| New York Central | 4 |
PC
| Penn Central | 2 |
PPCX
| AAPRCO Register Private Cars | 1 |
RANX
| RANX | 2 |
RBMN
| Reading Blue Mountain & Northern | 2 |
RJC
| RJC | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 9 |
SAL
| Seaboard Air Line | 2 |
SCL
| Seaboard Coast Line | 1 |
SP
| Southern Pacific | 2 |
TVRM
| Tennessee Valley | 1 |
UP
| Union Pacific Railroad Company | 1 |
UPP
| Union Pacific Passenger | 2 |
VIA
| Via Rail Canada | 1 |
WAB
| Wabash | 3 |
WATX
| Watco | 1 |