AA
| Ann Arbor | 3 |
AC
| Algoma Central | 1 |
ACL
| Atlantic Coast Line | 1 |
AGLF
| Knoxville & Holston River Railroad | 1 |
AHW
| Fox Valley and Western Limited | 1 |
AIKR
| AIKR | 1 |
ALAB
| Alabama Railroad | 1 |
APD
| Albany Port District | 1 |
AR
| Aberdeen and Rockfish | 2 |
ARTX
| Artrain | 1 |
ATSF
| Atchison Topeka & Santa Fe | 44 |
BAR
| Bangor & Aroostook | 3 |
BB
| Buckingham Branch | 1 |
BCOL
| Canadian National Railways | 3 |
BM
| Boston & Maine | 5 |
BN
| Burlington Northern | 76 |
BO
| Baltimore & Ohio | 16 |
BRBP
| BRBP | 1 |
BRC
| Belt Railway of Chicago | 1 |
BRP
| BRP | 1 |
BSVY
| Boone & Scenic Valley Railroad | 1 |
BYCX
| Chelatchie Prairie Railroad | 2 |
CAGY
| Columbus & Greenville Railway | 1 |
CBNS
| Cape Breton & Central Nova Scotia Ry | 1 |
CBQ
| Chicago Burlington & Quincy | 22 |
CCRX
| Cape Cod Railroad | 1 |
CFMG
| Chemin De Fer De La Matapedia Et Du Golf | 1 |
CGW
| Chicago Great Western | 3 |
CIC
| Cedar Rapids & Iowa City | 1 |
CIM
| Chicago And Illinois Midland | 2 |
CKIS
| CKIS | 1 |
CM
| Central Montana Rail Incorporated | 1 |
CMO
| Chicago St Paul Minneapolis & Omaha | 1 |
CMRR
| Catskill Mountain Scenic | 1 |
CMRY
| CMRY | 1 |
CN
| Canadian National Railways | 36 |
CNJ
| Central Rail Road of New Jersey | 1 |
CNW
| Chicago & Northwestern | 23 |
CO
| Chesapeake & Ohio | 11 |
CP
| Canadian Pacific Railway | 40 |
CPR
| Canadian Pacific Railway | 1 |
CR
| Conrail | 8 |
CRIP
| Chicago Rock Island & Pacific | 13 |
CRR
| Clinchfield | 1 |
CRSX
| Cost Rail Service | 1 |
CSX
| CSX Railroad | 5 |
CV
| Central Vermont | 1 |
CW
| Colorado and Wyoming | 1 |
CWR
| CWR Incorporated | 1 |
CYRU
| CYRU | 1 |
DAKR
| Dakota Rail Incorporated | 1 |
DGVR
| DURBIN & GREENBRIER VALLEY RAILROAD INC | 1 |
DH
| Delaware & Hudson | 1 |
DIR
| DIR | 1 |
DLW
| Delaware Lackawanna & Western | 1 |
DM
| Detroit & Mackinac | 1 |
DMIR
| Duluth Missabe & Iron Range | 10 |
DNE
| Duluth and Northeastern Railroad Company | 3 |
DODX
| Department Of Defense | 1 |
DRGW
| Denver & Rio Grande Western | 3 |
DRIR
| Denver Rock Island Railroad | 1 |
DSL
| Denver & Salt Lake | 1 |
DSSA
| Duluth, South Shore & Atlantic | 4 |
DTI
| Detroit Toledo & Ironton | 4 |
DURR
| DURR | 1 |
DWP
| Duluth Winnipeg & Pacific | 2 |
EBT
| East Broad Top | 1 |
EJE
| Elgin Joliet and Eastern | 4 |
EL
| Erie Lackawanna | 1 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
EPTC
| East Portland Traction | 1 |
ERIE
| Erie Railroad | 7 |
EV
| Everett Railroad | 1 |
FCM
| Ferrocarriles Nacionales de Mexico | 1 |
FGLK
| Finger Lakes Railway | 1 |
FRM
| FRM | 1 |
FRVR
| Fox River Valley Railroad | 1 |
FSRR
| FerroSur | 1 |
FWD
| Fort Worth & Denver | 1 |
FXE
| Ferromex | 9 |
GBRY
| Gettysburg Railway. | 1 |
GBW
| Green Bay & Western | 3 |
GMO
| Gulf Mobile & Ohio | 1 |
GN
| Great Northern | 17 |
GNBC
| Grainbelt Corporation | 1 |
GNRR
| Georgia Northeastern | 1 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GRLW
| Greenville & Western Railway Company, LLC | 1 |
GRRY
| GRRY | 1 |
GSMR
| Great Smoky Mountains | 1 |
GTW
| Grand Trunk Western | 5 |
GVRX
| Grapevine Vintage Railroad | 1 |
HBTM
| HBTM | 1 |
HOBO
| HOBO | 2 |
HOIN
| HOIN | 4 |
HOS
| Hoosier Southern Railroad | 2 |
IANR
| Iowa Northern Ry | 3 |
IANW
| Iowa Northwestern | 1 |
IATR
| Iowa Traction Railroad Company | 1 |
IC
| Illinois Central | 10 |
ICG
| Illinois Central Gulf | 4 |
IM
| IM | 1 |
IMRL
| I&M Rail Link | 2 |
ITC
| Illinois Terminal Railroad | 1 |
KCS
| Kansas City Southern | 5 |
KRCX
| R.M. Johnson Company, Inc. | 1 |
KRL
| Kasgro Rail Lines | 2 |
KWT
| KWT Railway | 1 |
LGB
| LGB | 1 |
LMIX
| Loram Maintenance of Way Inc. | 3 |
LN
| Louisville & Nashville | 9 |
LNIC
| LNIC | 1 |
LNW
| Louisiana & Northwestern | 1 |
LSTT
| Lake Superior Terminal Transfer | 1 |
LV
| Lehigh Valley | 2 |
MAMX
| Mammoet USA, Inc | 1 |
MBSE
| MBSE | 1 |
MEC
| Maine Central | 5 |
MERR
| MERR | 1 |
MGA
| Monongahela RR | 1 |
MICO
| MICO | 1 |
MILW
| Milwaukee Road | 44 |
MKT
| Missouri-Kansas-Texas | 6 |
MNS
| Minneapolis Northfield & Southern | 3 |
MNTX
| Minnesota Transportation Museum, Inc. | 2 |
MON
| Monon Route | 1 |
MP
| Missouri Pacific | 28 |
MRL
| Montana Rail Link | 2 |
MRSR
| Mount Rainier Scenic | 2 |
MSRC
| Kansas City Southern | 1 |
MSTL
| Minneapolis & St Louis | 2 |
NAR
| Northern Alberta Railways | 2 |
NCRR
| NCRR | 1 |
NCSL
| Nashville Chattanooga & St Louis | 1 |
NDEM
| NDEM | 3 |
NH
| New Haven | 1 |
NKP
| Nickel Plate | 10 |
NLR
| NLR | 1 |
NP
| Northern Pacific | 17 |
NS
| Norfolk Southern | 12 |
NW
| Norfolk & Western | 14 |
NYC
| New York Central | 5 |
NYSW
| New York Susquehanna & Western | 2 |
OCNR
| OCNR | 2 |
OCSR
| OCSR | 1 |
OHCR
| Ohio Central | 1 |
ONT
| Ontario Northland Railway | 1 |
ONW
| Oregon & Northwestern | 1 |
OTVR
| Otter Tail Valley Railroad Company | 1 |
PC
| Penn Central | 2 |
PE
| Peoria & Eastern | 1 |
PGE
| Pacific Great Eastern | 2 |
PGR
| Progressive Rail, Inc | 1 |
PHNX
| Phn Llc | 1 |
PM
| Pere Marquette | 2 |
PNR
| Panhandle Northern Railroad Company | 1 |
PNWR
| Portland and Western Railroad Incorporat | 1 |
PREX
| Pioneer Rail Equipment | 1 |
PRR
| Pennsylvania Railroad | 12 |
PSRR
| PSRR | 1 |
PWRC
| P&W Railfan Club | 1 |
QGRY
| Quebec Gatineau Railway Incorporated | 1 |
RBMN
| Reading Blue Mountain & Northern | 4 |
RDG
| Reading Railroad | 3 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
RGEX
| Royal Gorge Industries LLC | 1 |
RI
| RI | 3 |
RNCX
| North Carolina Dept Of Transportation | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 3 |
RPRC
| Richmond Pacific Railroad Corporation | 1 |
RSMX
| Reserve Mining | 2 |
RT
| River Terminal Railway Company | 1 |
RUT
| Vermont Railway Incorporated | 1 |
SBD
| Seaboard System | 3 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 1 |
SCL
| Seaboard Coast Line | 7 |
SLSF
| Saint Louis-San Francisco | 9 |
SM
| St. Marys Railroad | 2 |
SMVR
| SMVR | 1 |
SOO
| Soo Line | 47 |
SOU
| Southern | 20 |
SP
| Southern Pacific | 18 |
SPS
| Spokane Portland & Seattle | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 3 |
TCRX
| Tennessee Central Railway Musem | 1 |
TCWR
| Twin Cities and Western | 1 |
TENN
| Tennessee Railway Company | 2 |
TF
| Tallulah Falls Ry. Co | 1 |
TFM
| Kansas City Southern De Mexico | 4 |
THB
| Toronto Hamilton & Buffalo | 1 |
TMBL
| Tacoma Municipal Belt Line Railway | 2 |
TP
| Texas & Pacific | 1 |
UNKN
| UNKN | 15 |
UP
| Union Pacific Railroad Company | 44 |
UPP
| Union Pacific Passenger | 1 |
VGN
| Virginian Railway | 1 |
VTRX
| VTRX | 1 |
WAB
| Wabash | 5 |
WC
| Wisconsin Central | 1 |
WGNS
| Wisconsin Great Northern Railroad Inc | 2 |
WLE
| WLE | 1 |
WM
| Western Maryland | 5 |
WOD
| WOD | 1 |
WP
| Western Pacific | 5 |
WPRR
| Willamette and Pacific | 3 |
WRL
| WRL | 1 |
WSCV
| WSCV | 1 |
WTLC
| West Texas & Lubbock Railroad Co Inc. | 1 |
WTXC
| WTXC | 1 |
WURR
| WURR | 1 |
WVRR
| Whitewater Valley Railroad | 1 |
WW
| Winchester & Western | 1 |