ACL
| Atlantic Coast Line | 6 |
ACWR
| Aberdeen, Carolina & Western | 2 |
AGS
| Alabama Great Southern Railroad Company | 1 |
AMTK
| Amtrak | 50 |
ATSF
| Atchison Topeka & Santa Fe | 2 |
CBQ
| Chicago Burlington & Quincy | 1 |
CO
| Chesapeake & Ohio | 2 |
DRCX
| Denver Railway Car Co | 1 |
FCEN
| Florida Central | 2 |
FEC
| Florida East Coast | 1 |
GSMR
| Great Smoky Mountains | 2 |
IC
| Illinois Central | 1 |
LN
| Louisville & Nashville | 1 |
MH
| Mount Hood Railroad | 1 |
MTM
| MTM | 2 |
NS
| Norfolk Southern | 3 |
NW
| Norfolk & Western | 1 |
NYC
| New York Central | 1 |
PPCX
| AAPRCO Register Private Cars | 5 |
PRR
| Pennsylvania Railroad | 2 |
PULL
| Pullman | 1 |
RJC
| RJC | 1 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 2 |
RNRH
| RNRH | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 2 |
SAL
| Seaboard Air Line | 6 |
SCL
| Seaboard Coast Line | 7 |
SOU
| Southern | 6 |
SP
| Southern Pacific | 2 |
TVRM
| Tennessee Valley | 2 |
TWCX
| Tidewater Chapter, NRHS | 1 |
UP
| Union Pacific Railroad Company | 2 |
USAX
| United States Army | 1 |
WATX
| Watco | 3 |