AMTK
| Amtrak | 4 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BO
| Baltimore & Ohio | 1 |
CN
| Canadian National Railways | 1 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CSX
| CSX Railroad | 19 |
CTVX
| Cleveland Terminal and Valley Railway Incorporated | 1 |
EBT
| East Broad Top | 8 |
ERIE
| Erie Railroad | 1 |
FICX
| Frontier Industrial Corp | 2 |
GSMR
| Great Smoky Mountains | 13 |
IC
| Illinois Central | 5 |
KRM
| Kentucky Railway Museum | 3 |
KT
| Kentucky and Tennessee Railway Company | 6 |
LN
| Louisville & Nashville | 8 |
MKT
| Missouri-Kansas-Texas | 3 |
NCSL
| Nashville Chattanooga & St Louis | 1 |
NRHX
| National Railway Historical Society | 1 |
PPCX
| AAPRCO Register Private Cars | 10 |
PRR
| Pennsylvania Railroad | 4 |
RMSX
| Pandrol Jackson Incorporated | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 4 |
SARX
| Southern Appalachia RR Museum | 1 |
SBD
| Seaboard System | 1 |
SOU
| Southern | 1 |
VRIC
| Virginia Rail Investment | 2 |
WAB
| Wabash | 1 |
WMSR
| Western Maryland Scenic | 4 |
WRHX
| Creative Charters Inc | 3 |
WVRR
| Whitewater Valley Railroad | 5 |