ACL
| Atlantic Coast Line | 1 |
ACWR
| Aberdeen, Carolina & Western | 1 |
ALC
| ALC | 4 |
AMTK
| Amtrak | 5 |
ARR
| Alaska Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 48 |
BAR
| Bangor & Aroostook | 1 |
BN
| Burlington Northern | 7 |
BNA
| Burlington Northern Business Cars | 9 |
BNSF
| BNSF Railway | 44 |
BO
| Baltimore & Ohio | 2 |
CBQ
| Chicago Burlington & Quincy | 17 |
CEI
| Chicago & Eastern Illinois | 2 |
CGW
| Chicago Great Western | 3 |
CN
| Canadian National Railways | 2 |
CNW
| Chicago & Northwestern | 9 |
CO
| Chesapeake & Ohio | 4 |
CR
| Conrail | 1 |
CRIP
| Chicago Rock Island & Pacific | 2 |
CS
| Colorado & Southern | 1 |
CSS
| Chicago South Shore And South Bend | 1 |
CSX
| CSX Railroad | 10 |
CWMW
| CWMW | 1 |
DH
| Delaware & Hudson | 1 |
DLW
| Delaware Lackawanna & Western | 1 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
DSL
| Denver & Salt Lake | 1 |
EL
| Erie Lackawanna | 1 |
EPSW
| EPSW | 1 |
FWD
| Fort Worth & Denver | 6 |
GANO
| Georgia Northern Railway Company | 1 |
GF
| Georgia & Florida | 1 |
GMO
| Gulf Mobile & Ohio | 1 |
GN
| Great Northern | 2 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GWT
| GWT | 3 |
KCS
| Kansas City Southern | 2 |
KJRY
| Keokuk Junction | 1 |
KYLE
| Kyle Railroad | 1 |
LIRR
| Long Island Railroad | 1 |
LV
| Lehigh Valley | 10 |
MILW
| Milwaukee Road | 2 |
MON
| Monon Route | 1 |
MP
| Missouri Pacific | 2 |
MRL
| Montana Rail Link | 1 |
MRLX
| Mid America Rail Car Leasing | 1 |
MRSR
| Mount Rainier Scenic | 2 |
NP
| Northern Pacific | 7 |
NS
| Norfolk Southern | 2 |
NVRR
| NAPA Valley Railroad Company | 3 |
NW
| Norfolk & Western | 7 |
NXGX
| NXGX | 2 |
NYC
| New York Central | 1 |
PC
| Penn Central | 2 |
PNWR
| Portland and Western Railroad Incorporat | 1 |
PPCX
| AAPRCO Register Private Cars | 33 |
PRR
| Pennsylvania Railroad | 1 |
PULL
| Pullman | 20 |
RBX
| Ringling Bros. and Barnum and Bailey | 1 |
RFP
| Richmond Fredericksburg & Potomac | 3 |
RNCX
| North Carolina Dept Of Transportation | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 7 |
SLSF
| Saint Louis-San Francisco | 4 |
SP
| Southern Pacific | 3 |
TP
| Texas & Pacific | 1 |
TPW
| Toledo Peoria & Western | 1 |
UP
| Union Pacific Railroad Company | 8 |
UPP
| Union Pacific Passenger | 5 |
WAB
| Wabash | 1 |
WC
| Wisconsin Central | 1 |
WP
| Western Pacific | 3 |
YW
| Yreka Western Railroad Company | 1 |