AB
| Akron and Barberton Cluster Railway Company | 1 |
AC
| Algoma Central | 1 |
ACL
| Atlantic Coast Line | 7 |
ACWR
| Aberdeen, Carolina & Western | 2 |
ADBF
| Adrian and Blissfield Rail Road Company | 1 |
ADIX
| Adirondack Railway Preservation Society | 1 |
ALC
| ALC | 1 |
AM
| Arkansas & Missouri | 1 |
AMTK
| Amtrak | 19 |
ARCZ
| ARCZ | 1 |
ARR
| Alaska Railroad | 2 |
ARZC
| Arizona and California Railroad | 1 |
AT
| Auto Train | 1 |
ATSF
| Atchison Topeka & Santa Fe | 42 |
AUT
| AUT | 1 |
AWP
| Atlanta & West Point | 1 |
BAR
| Bangor & Aroostook | 2 |
BB
| Buckingham Branch | 1 |
BCOL
| Canadian National Railways | 2 |
BN
| Burlington Northern | 26 |
BNA
| Burlington Northern Business Cars | 10 |
BNSF
| BNSF Railway | 32 |
BO
| Baltimore & Ohio | 7 |
BRC
| Belt Railway of Chicago | 2 |
BUEN
| BUEN | 1 |
CACV
| Cooperstown and Charlotte Valley | 1 |
CALA
| Carolina Southern | 1 |
CBQ
| Chicago Burlington & Quincy | 11 |
CEI
| Chicago & Eastern Illinois | 2 |
CFNA
| CFNA | 1 |
CG
| Central Of Georgia | 4 |
CGW
| Chicago Great Western | 2 |
CHAR
| CHAR | 1 |
CHP
| Ferrocarriles Nacionales de Mexico | 2 |
CI
| Cambria and Indiana Railroad Company | 1 |
CIM
| Chicago And Illinois Midland | 1 |
CL
| CL | 1 |
CMEF
| CMEF | 2 |
CMN
| Chicago, Madison & Northern Railway | 1 |
CN
| Canadian National Railways | 20 |
CNJ
| Central Rail Road of New Jersey | 2 |
CNW
| Chicago & Northwestern | 7 |
CO
| Chesapeake & Ohio | 19 |
CP
| Canadian Pacific Railway | 33 |
CPEF
| Companhia Paulista de Estradas de Ferro | 1 |
CPRR
| Central Pacific Railroad | 1 |
CR
| Conrail | 14 |
CRHA
| Candian Railroad Historical Assocation | 1 |
CRIP
| Chicago Rock Island & Pacific | 3 |
CRR
| Clinchfield | 1 |
CS
| Colorado & Southern | 2 |
CSS
| Chicago South Shore And South Bend | 3 |
CSX
| CSX Railroad | 14 |
CTC
| CTC | 1 |
CWMW
| CWMW | 1 |
DCLR
| Delaware Coast Line RR Co | 1 |
DGVR
| DURBIN & GREENBRIER VALLEY RAILROAD INC | 1 |
DH
| Delaware & Hudson | 4 |
DJBX
| Donald J. Bertel d/b/a Gandy Dancer Incorporated | 2 |
DLW
| Delaware Lackawanna & Western | 2 |
DLWR
| Depew Lancaster and Western Railroad Com | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
DMIR
| Duluth Missabe & Iron Range | 2 |
DMN
| Duluth Missabe and Northern Railway | 1 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
DRG
| DRG | 1 |
DRGW
| Denver & Rio Grande Western | 7 |
DTI
| Detroit Toledo & Ironton | 1 |
EBGR
| Eastern Berks Gateway Railroad | 1 |
EJE
| Elgin Joliet and Eastern | 1 |
EL
| Erie Lackawanna | 3 |
EPSW
| EPSW | 1 |
ERIE
| Erie Railroad | 1 |
EV
| Everett Railroad | 1 |
FCEN
| Florida Central | 1 |
FCM
| Ferrocarriles Nacionales de Mexico | 2 |
FCP
| Ferrocarril Del Pacifico | 8 |
FDEC
| Ferrocariles de Cuba | 1 |
FEC
| Florida East Coast | 1 |
FEPA
| FEPA | 4 |
FNM
| Ferrocarriles Nacionales de Mexico | 13 |
FTVM
| FerroValle | 1 |
FUS
| Ferrocarriles Nacionales de Mexico | 1 |
FWD
| Fort Worth & Denver | 1 |
FXE
| Ferromex | 5 |
GANO
| Georgia Northern Railway Company | 1 |
GBW
| Green Bay & Western | 1 |
GCRX
| Grand Canyon Railway Incorporated | 2 |
GCRY
| Grand Canyon Railway | 1 |
GECX
| General Electric Company | 1 |
GF
| Georgia & Florida | 3 |
GLWX
| GLWX | 1 |
GMO
| Gulf Mobile & Ohio | 1 |
GMRC
| Green Mountain RR | 1 |
GN
| Great Northern | 6 |
GNRR
| Georgia Northeastern | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 2 |
GO
| Gulf and Ohio | 1 |
GOLD
| GOLD | 1 |
GS
| Gloster Southern | 1 |
GSLX
| Silcott Railway Equipment Ltd | 1 |
GTLX
| Great Lakes Railcar, Inc. | 2 |
GTP
| Grand Trunk Pacific | 1 |
GTW
| Grand Trunk Western | 3 |
GWT
| GWT | 1 |
HBRY
| Hudson Bay Railway Company | 1 |
HESR
| Huron and Eastern | 1 |
HPTD
| High Point Thomasville and Denton Railroad | 1 |
HVRX
| Heber Valley Historic Railroad | 1 |
HVS
| HVS | 1 |
IAIS
| Iowa Interstate | 6 |
IC
| Illinois Central | 9 |
ICG
| Illinois Central Gulf | 6 |
ICMW
| ICMW | 1 |
ICW
| Indianapolis, Crawfordsville & Western | 1 |
INRD
| Indiana Railroad | 1 |
ITC
| Illinois Terminal Railroad | 1 |
JES
| JES | 1 |
JTCX
| Juniata Terminal | 2 |
KCS
| Kansas City Southern | 12 |
KCSM
| Kansas City Southern De Mexico | 2 |
KITC
| KITC | 1 |
KJRY
| Keokuk Junction | 1 |
KYLE
| Kyle Railroad | 1 |
LC
| Lancaster & Chester | 1 |
LI
| Long Island Rail Road Company | 2 |
LIRR
| Long Island Railroad | 1 |
LITT
| LITT | 1 |
LN
| Louisville & Nashville | 9 |
LRS
| Laurinburg and Southern | 1 |
LV
| Lehigh Valley | 1 |
MACI
| MACI | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 1 |
ME
| Morristown & Erie Railroad | 1 |
METX
| METRA | 1 |
MEXI
| MEXI | 2 |
MILW
| Milwaukee Road | 8 |
MNCR
| Metro North Commuter Railway | 2 |
MNF
| MNF | 1 |
MNS
| Minneapolis Northfield & Southern | 2 |
MNTX
| Minnesota Transportation Museum, Inc. | 1 |
MON
| Monon Route | 2 |
MP
| Missouri Pacific | 8 |
MRL
| Montana Rail Link | 7 |
MRLX
| Mid America Rail Car Leasing | 2 |
MRSR
| Mount Rainier Scenic | 2 |
MTCX
| Mallard Transportation Company | 1 |
N_R_
| N_R_ | 1 |
NCBX
| New Century Rail Transport LLC | 1 |
NdeM
| NDEM | 36 |
NERR
| Nashville and Eastern | 1 |
NH
| New Haven | 1 |
NJT
| New Jersey Transit | 1 |
NKP
| Nickel Plate | 5 |
NN
| Northern Nevada Railroad Corporation | 1 |
NOKL
| Northwestern Oklahoma | 1 |
NONE
| NONE | 1 |
NP
| Northern Pacific | 9 |
NRHS
| NRHS | 1 |
NS
| Norfolk Southern | 35 |
NSR
| Newburgh and South Shore Railroad Compan | 1 |
NSRX
| Railroading Heritage Of Midwest America | 2 |
NVRR
| NAPA Valley Railroad Company | 1 |
NW
| Norfolk & Western | 17 |
NWP
| Northwestern Pacific Railroad Company | 2 |
NXGX
| NXGX | 2 |
NYC
| New York Central | 9 |
NYGL
| New York and Greenwood Lake Railroad | 1 |
NYSW
| New York Susquehanna & Western | 1 |
OC
| OC | 1 |
OHCR
| Ohio Central | 2 |
ONT
| Ontario Northland Railway | 1 |
OVR
| Otter Valley Railroad | 2 |
PAL
| Paducah & Louisville | 1 |
PAR
| PAR | 2 |
PASS
| PASS | 6 |
PC
| Penn Central | 7 |
PCS
| PCS | 1 |
PGE
| Pacific Great Eastern | 2 |
PNWR
| Portland and Western Railroad Incorporat | 1 |
POLK
| POLK | 1 |
POTU
| POTU | 1 |
PPCX
| AAPRCO Register Private Cars | 38 |
PR
| Palmetto Railways | 1 |
PRR
| Pennsylvania Railroad | 13 |
PS
| Pittsburg and Shawmut Railroad Company | 1 |
PULL
| Pullman | 16 |
PVRR
| Pioneer Valley Railroad Company Incorporated | 1 |
RBBX
| Ringling Bros. and Barnum and Bailey | 2 |
RBMN
| Reading Blue Mountain & Northern | 2 |
RBX
| Ringling Bros. and Barnum and Bailey | 2 |
RDG
| Reading Railroad | 2 |
RESZ
| RESZ | 1 |
RFFS
| RFFS | 3 |
RFP
| Richmond Fredericksburg & Potomac | 2 |
RGS
| Rio Grande Southern | 2 |
RI
| RI | 1 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 1 |
RM
| RM | 3 |
RNCX
| North Carolina Dept Of Transportation | 2 |
ROBE
| ROBE | 2 |
RPCX
| Railroad Passenger Car Numbering Bureau | 7 |
RSMX
| Reserve Mining | 1 |
SA
| Savannah & Atlanta | 1 |
SAL
| Seaboard Air Line | 3 |
SBD
| Seaboard System | 7 |
SCI
| SCI | 3 |
SCL
| Seaboard Coast Line | 10 |
SCT
| Sioux City Terminal Railway | 2 |
SDNX
| Coaster | 1 |
SHRX
| Smoky Hill Railway & Historical Society | 1 |
SLRS
| SMS Rail Service Incorporated | 1 |
SLSF
| Saint Louis-San Francisco | 7 |
SMLX
| SMLX | 2 |
SMRX
| Atlanta Chapter B National Railway Historical Society Incorp | 1 |
SNC
| Saratoga & North Creek Railway | 1 |
SOO
| Soo Line | 2 |
SOU
| Southern | 31 |
SP
| Southern Pacific | 25 |
SPS
| Spokane Portland & Seattle | 1 |
SRC
| Strasburg Railroad | 1 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
ST
| Springfield Terminal | 1 |
STE
| Stockton Terminal and Eastern RR | 1 |
SUEX
| SUEX | 1 |
TC
| Temple & Central Texas | 1 |
TC1
| Tennessee Central | 1 |
TFM
| Kansas City Southern De Mexico | 1 |
TNO
| Texas & New Orleans | 2 |
TNVR
| TNVR | 1 |
TP
| Texas & Pacific | 3 |
TPW
| Toledo Peoria & Western | 2 |
TRHA
| TRHA | 1 |
TSE
| Texas South-Eastern Railroad Company | 1 |
UDEL
| UDEL | 1 |
UDEY
| UDEY | 1 |
UO
| Union Railway of Oregon | 1 |
UP
| Union Pacific Railroad Company | 26 |
UPP
| Union Pacific Passenger | 8 |
URY
| Union Ry. of Memphis | 1 |
USS
| U.S. Steel | 1 |
VGN
| Virginian Railway | 2 |
VRS
| VRS | 1 |
WAB
| Wabash | 2 |
WAMX
| Webb Asset Management | 1 |
WC
| Wisconsin Central | 4 |
WE
| Wheeling & Lake Erie | 3 |
WLE
| WLE | 1 |
WM
| Western Maryland | 1 |
WP
| Western Pacific | 2 |
WRSR
| WRSR | 1 |
WSOR
| Wisconsin & Southern | 1 |
WVC
| Durbin and Greenbrier Valley Railroad d/ | 1 |
WYP
| WYP | 1 |
YAKI
| YAKI | 1 |
YW
| Yreka Western Railroad Company | 2 |