AMTK
| Amtrak | 76 |
BO
| Baltimore & Ohio | 6 |
BRW
| Black River And Western | 13 |
CBQ
| Chicago Burlington & Quincy | 1 |
CDOT
| Conneticut Department of Transportation | 4 |
CNJ
| Central Rail Road of New Jersey | 35 |
CNRY
| Cincinnati Railway | 1 |
CO
| Chesapeake & Ohio | 3 |
CP
| Canadian Pacific Railway | 6 |
DLW
| Delaware Lackawanna & Western | 5 |
DRMX
| Danbury Railway Museum Incorporated | 1 |
EL
| Erie Lackawanna | 1 |
JTC
| JTC | 1 |
JTFS
| JTFS | 16 |
LC
| Lancaster & Chester | 3 |
LCRA
| LCRA | 4 |
LN
| Louisville & Nashville | 1 |
MARC
| Maryland Transit Administration | 9 |
ME
| Morristown & Erie Railroad | 10 |
MKT
| Missouri-Kansas-Texas | 5 |
MNCR
| Metro North Commuter Railway | 2 |
MRLX
| Mid America Rail Car Leasing | 3 |
NHIR
| New Hope & Ivyland | 3 |
NJT
| New Jersey Transit | 39 |
NP
| Northern Pacific | 1 |
NRHX
| National Railway Historical Society | 9 |
NS
| Norfolk Southern | 9 |
NSRX
| Railroading Heritage Of Midwest America | 9 |
NYC
| New York Central | 6 |
PAXX
| PAXX | 17 |
PPCX
| AAPRCO Register Private Cars | 115 |
PRR
| Pennsylvania Railroad | 70 |
PULL
| Pullman | 2 |
RBBX
| Ringling Bros. and Barnum and Bailey | 129 |
RBMN
| Reading Blue Mountain & Northern | 21 |
RDG
| Reading Railroad | 3 |
RPCX
| Railroad Passenger Car Numbering Bureau | 15 |
SLRG
| San Luis and Rio Grande Railroad | 22 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 1 |
SRC
| Strasburg Railroad | 2 |
TCRX
| Tennessee Central Railway Musem | 1 |
URHS
| URHS | 10 |
USA
| USA | 1 |
VRIC
| Virginia Rail Investment | 14 |
WATX
| Watco | 6 |
WCRL
| West Chester Railroad Company | 2 |