ACL
| Atlantic Coast Line | 3 |
AM
| Arkansas & Missouri | 1 |
AMTK
| Amtrak | 242 |
ARTX
| Artrain | 7 |
ASV
| Abilene & Smokey Valley | 1 |
ATAX
| Arizona Transit Assembly | 3 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BM
| Boston & Maine | 1 |
BO
| Baltimore & Ohio | 4 |
BOMX
| B&O Railroad Museum Inc. | 2 |
CBQ
| Chicago Burlington & Quincy | 44 |
CDOT
| Conneticut Department of Transportation | 2 |
CDTX
| California DOT | 15 |
CG
| Central Of Georgia | 2 |
CN
| Canadian National Railways | 7 |
CNJ
| Central Rail Road of New Jersey | 4 |
CNW
| Chicago & Northwestern | 8 |
CO
| Chesapeake & Ohio | 4 |
CPMY
| Coopersville & Marne Railway | 11 |
CPP
| CPP | 1 |
CRIP
| Chicago Rock Island & Pacific | 6 |
CTS
| Cumbres & Toltec Scenic | 1 |
DGVR
| DURBIN & GREENBRIER VALLEY RAILROAD INC | 2 |
DH
| Delaware & Hudson | 5 |
DIR
| DIR | 1 |
DLW
| Delaware Lackawanna & Western | 2 |
DMIR
| Duluth Missabe & Iron Range | 2 |
DMN
| Duluth Missabe and Northern Railway | 1 |
DRGW
| Denver & Rio Grande Western | 1 |
DSNG
| Durango & Silverton Narrow Gauge Railroa | 2 |
EBT
| East Broad Top | 3 |
EL
| Erie Lackawanna | 5 |
ESHR
| Eastern Shore Railroad | 1 |
GLW
| Great Lakes Western | 3 |
GMO
| Gulf Mobile & Ohio | 2 |
GN
| Great Northern | 9 |
GS
| Gloster Southern | 1 |
GSMR
| Great Smoky Mountains | 2 |
HVRM
| HVRM | 1 |
HVSR
| Hocking Valley Scenic | 8 |
IAIS
| Iowa Interstate | 6 |
IC
| Illinois Central | 2 |
IRM
| Indiana Railroad Museum | 18 |
ITC
| Illinois Terminal Railroad | 1 |
LGV
| LGV | 1 |
LI
| Long Island Rail Road Company | 3 |
LIRR
| Long Island Railroad | 9 |
LN
| Louisville & Nashville | 17 |
LSMS
| Lake Shore Michigan Southern Railroad | 1 |
LSR
| LSR | 1 |
LSRX
| Lake Superior Railroad Museum | 14 |
LTRY
| LTRY | 1 |
LV
| Lehigh Valley | 3 |
MARC
| Maryland Transit Administration | 1 |
METX
| METRA | 75 |
MILW
| Milwaukee Road | 15 |
MKT
| Missouri-Kansas-Texas | 3 |
MNTX
| Minnesota Transportation Museum, Inc. | 3 |
MON
| Monon Route | 22 |
MP
| Missouri Pacific | 4 |
MRLX
| Mid America Rail Car Leasing | 29 |
MSEX
| Tour Alaska Inc.Dba Princess Tour | 4 |
NH
| New Haven | 1 |
NKP
| Nickel Plate | 4 |
NP
| Northern Pacific | 7 |
NSRX
| Railroading Heritage Of Midwest America | 38 |
NW
| Norfolk & Western | 5 |
NYC
| New York Central | 15 |
NYOW
| New York, Ontario & Western | 3 |
PAXX
| PAXX | 3 |
PC
| Penn Central | 1 |
PLM
| PLM | 2 |
PM
| Pere Marquette | 1 |
PNWC
| PNWC | 1 |
PPCX
| AAPRCO Register Private Cars | 108 |
PRR
| Pennsylvania Railroad | 27 |
PULL
| Pullman | 15 |
PVRR
| Pioneer Valley Railroad Company Incorporated | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 27 |
RDG
| Reading Railroad | 2 |
RPCS
| RPCS | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 32 |
RRBX
| Rampart Range Corporation | 1 |
RRDX
| RRDX | 12 |
SAL
| Seaboard Air Line | 5 |
SBVR
| South Branch Valley Rail Road | 1 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 2 |
SCL
| Seaboard Coast Line | 2 |
SFS
| Santa Fe Southern | 2 |
SHRX
| Smoky Hill Railway & Historical Society | 6 |
SJL
| St Johnsbury & Lamoille County RR | 1 |
SLIM
| St Louis, Iron Mountain & Southern | 3 |
SLRG
| San Luis and Rio Grande Railroad | 16 |
SLSF
| Saint Louis-San Francisco | 3 |
SNCF
| French National Railways | 8 |
SOU
| Southern | 4 |
SP
| Southern Pacific | 1 |
SRC
| Strasburg Railroad | 1 |
SSRR
| Sacramento Southern | 1 |
SW
| Southwestern Railroad Company | 3 |
UP
| Union Pacific Railroad Company | 11 |
USAX
| United States Army | 4 |
UTAX
| Utah Frontrunner | 2 |
VRIC
| Virginia Rail Investment | 2 |
WE
| Wheeling & Lake Erie | 1 |
WEBX
| WEBX | 3 |
WGNS
| Wisconsin Great Northern Railroad Inc | 6 |
WICT
| Wisconsin & Calumet | 1 |
WP
| Western Pacific | 5 |
WPYR
| White Pass & Yukon Route | 2 |
WRHX
| Creative Charters Inc | 4 |
WRLX
| Relco Tank Line Incorporated | 2 |
WVRR
| Whitewater Valley Railroad | 1 |