ACJR
| Ashtabula Carson Jefferson Railroad Company | 4 |
AMTK
| Amtrak | 19 |
ATAX
| Arizona Transit Assembly | 2 |
ATL
| ATL | 6 |
BO
| Baltimore & Ohio | 4 |
BRW
| Black River And Western | 5 |
CGNE
| Champagne Railroad Incorporated | 1 |
CN
| Canadian National Railways | 14 |
CNJ
| Central Rail Road of New Jersey | 12 |
CO
| Chesapeake & Ohio | 14 |
DLW
| Delaware Lackawanna & Western | 15 |
FGLK
| Finger Lakes Railway | 5 |
GSJX
| GSJX | 15 |
HRS
| Holidaysburg and Roaring Spring Railroad Company | 2 |
LCRA
| LCRA | 2 |
LI
| Long Island Rail Road Company | 3 |
LN
| Louisville & Nashville | 1 |
LV
| Lehigh Valley | 1 |
MARC
| Maryland Transit Administration | 2 |
MIDH
| Middletown and Hummelstown RR Company | 4 |
MRLX
| Mid America Rail Car Leasing | 47 |
NHIR
| New Hope & Ivyland | 9 |
NW
| Norfolk & Western | 2 |
NYC
| New York Central | 3 |
NYSW
| New York Susquehanna & Western | 4 |
ORL
| ORL | 2 |
PC
| Penn Central | 1 |
PPCX
| AAPRCO Register Private Cars | 28 |
PRR
| Pennsylvania Railroad | 35 |
PRSL
| Pennsylvania Reading Seashore | 4 |
PULL
| Pullman | 3 |
RDG
| Reading Railroad | 4 |
RNRH
| RNRH | 4 |
RPCX
| Railroad Passenger Car Numbering Bureau | 6 |
SLRG
| San Luis and Rio Grande Railroad | 4 |
SLRS
| SMS Rail Service Incorporated | 4 |
SOU
| Southern | 2 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 1 |
SRC
| Strasburg Railroad | 18 |
THSX
| New York, Susquehanna & Western Rwy. | 3 |
VC
| Virginia Central Railway | 3 |
VREX
| Virginia Railway Express | 3 |
WATX
| Watco | 4 |
WCRL
| West Chester Railroad Company | 41 |
WM
| Western Maryland | 1 |
WRHX
| Creative Charters Inc | 9 |
WWRC
| Wilmington and Western Railroad | 29 |