A
| A | 3 |
AA
| Ann Arbor | 8 |
AAR
| Association of American Railroads | 2 |
AARX
| Association of American Railroads | 1 |
AASP
| AASP | 1 |
AASQ
| AASQ | 1 |
ABEX
| Advanced BioEnergy | 1 |
AC
| Algoma Central | 4 |
ACL
| Atlantic Coast Line | 19 |
ACWR
| Aberdeen, Carolina & Western | 5 |
ACY
| Akron, Canton & Youngstown | 4 |
ADBF
| Adrian and Blissfield Rail Road Company | 2 |
ADIX
| Adirondack Railway Preservation Society | 2 |
ADRC
| ADRC | 1 |
AERC
| Albany and Eastern Railroad Company | 1 |
AF
| Alabama and Florida Railway Company | 1 |
AK
| AK | 1 |
ALC
| ALC | 1 |
ALL
| America Latina Logistica | 31 |
ALS
| Alton & Southern Railway | 42 |
ALY
| Allegheny and Eastern Railroad Incorpora | 1 |
AM
| Arkansas & Missouri | 1 |
AMMC
| AMMC | 4 |
AMTK
| Amtrak | 359 |
AN
| Apalachicola Northern | 1 |
AOK
| Arkansas-Oklahoma Railroad | 12 |
APA
| Apache Railway Company | 3 |
AR
| Aberdeen and Rockfish | 1 |
ARC
| Alexander Railroad | 3 |
ARR
| Alaska Railroad | 42 |
ARZC
| Arizona and California Railroad | 2 |
ASP
| ASP | 1 |
ASPL
| ASPL | 3 |
AT
| Auto Train | 2 |
ATEX
| Asplundh Tree Expert Co Railroad Division | 10 |
ATR
| ATR | 4 |
ATS
| ATS | 43 |
ATSF
| Atchison Topeka & Santa Fe | 189 |
ATW
| Atlantic and Western | 3 |
AWP
| Atlanta & West Point | 3 |
AWVR
| Unstoppable Movie Railroad | 1 |
AZER
| Arizona Eastern Railway Company | 3 |
BAP
| Butte Anaconda & Pacific | 2 |
BAR
| Bangor & Aroostook | 8 |
BART
| BART | 1 |
BB
| Buckingham Branch | 13 |
BBRI
| BBRI | 2 |
BC
| BARRE & CHELSEA RAILROAD | 4 |
BCH
| Southern Railway of British Columbia Limited | 3 |
BCLR
| Bay Colony | 5 |
BCOL
| Canadian National Railways | 35 |
BCT
| BCT | 1 |
BDRV
| Belvidere & Delaware Railroad | 4 |
BFC
| Bellefonte Central | 1 |
BGRX
| BGRX | 1 |
BH
| Bath & Hammondsport | 1 |
BK
| BK | 1 |
BKRR
| Batten Kill Railroad | 5 |
BLE
| Bessemer & Lake Erie | 5 |
BLOL
| Bloomer Shippers Connecting Railroad Co. | 2 |
BM
| Boston & Maine | 47 |
BMH
| Beaufort and Morehead Railroad Co | 1 |
BML
| Belfast & Mooshead Lake | 2 |
BMLP
| BMLP | 1 |
BN
| Burlington Northern | 889 |
BNA
| Burlington Northern Business Cars | 1 |
BNO
| Burlington Northern and Santa Fe Railway Company | 2 |
BNSA
| BNSA | 1 |
BNSF
| BNSF Railway | 1519 |
BNX
| BNX | 16 |
BO
| Baltimore & Ohio | 72 |
BOCT
| CSX Transportation (Baltimore & Ohio Chicago Terminal Railro | 1 |
BOMX
| B&O Railroad Museum Inc. | 1 |
BP
| BP | 1 |
BPC
| BPC | 1 |
BPRR
| Buffalo and Pittsburgh | 4 |
BR
| Buffalo and Pittsburgh | 61 |
BR9
| BR9 | 1 |
BRBX
| Bombardier Transportation | 1 |
BRC
| Belt Railway of Chicago | 9 |
BRK
| BRK | 2 |
BRP
| BRP | 1 |
BRS
| BRS | 3 |
BRTX
| BRTX | 1 |
BRW
| Black River And Western | 8 |
BS
| Birmingham Southern RR | 1 |
BSOR
| Buffalo Southern | 5 |
BST
| BST | 3 |
BSTR
| BSTR | 1 |
BTC
| Birmingham Terminal | 1 |
BTCO
| Boston Terminal Company | 1 |
BTS
| BTS | 1 |
BURR
| BURR | 1 |
BW
| BW | 1 |
CACV
| Cooperstown and Charlotte Valley | 8 |
CAGY
| Columbus & Greenville Railway | 12 |
CAMP
| CAMP | 1 |
CANA
| CANA | 1 |
CANX
| CANAC International | 3 |
CATP
| CATP | 2 |
CATS
| Charlotte Area Transit System | 8 |
CB
| CB | 2 |
CBH
| CBH | 8 |
CBL
| Conemaugh and Black Lick Railroad | 2 |
CBNS
| Cape Breton & Central Nova Scotia Ry | 3 |
CBQ
| Chicago Burlington & Quincy | 116 |
CBRR
| CBRR | 1 |
CBRY
| Copper Basin Railway | 2 |
CC
| Chicago Central & Pacific | 6 |
CCC
| Cowlitz, Chehalis, and Cascade Railway | 1 |
CCGX
| Cando Contracting Limited | 1 |
CCO
| Clinchfield | 1 |
CEI
| Chicago & Eastern Illinois | 5 |
CFMG
| Chemin De Fer De La Matapedia Et Du Golf | 2 |
CFW
| Caney fork & Western | 1 |
CG
| Central Of Georgia | 3 |
CGW
| Chicago Great Western | 12 |
CGWX
| Crete Grain Co Inc | 1 |
CHEM
| CHEM | 1 |
CHES
| CHES | 1 |
CHP
| Ferrocarriles Nacionales de Mexico | 1 |
CHRR
| Chesapeake Railroad Company | 1 |
CHV
| Chattahoochee Valley Ry | 1 |
CI
| Cambria and Indiana Railroad Company | 2 |
CIC
| Cedar Rapids & Iowa City | 1 |
CIL
| Chicago Indianapolis & Louisville (Monon | 3 |
CIM
| Chicago And Illinois Midland | 7 |
CKRY
| Central Kansas Railway Incorporated | 1 |
CL
| CL | 3 |
CLN
| CLN | 1 |
CLNA
| Carolina Coastal Railway Incorporated | 3 |
CLS
| CLS | 2 |
CLXX
| Carload Express | 8 |
CM
| Central Montana Rail Incorporated | 1 |
CMCD
| CMCD | 2 |
CMGN
| Central Michigan RR | 1 |
CMIX
| Consolidated Minerals Incorporated | 1 |
CMO
| Chicago St Paul Minneapolis & Omaha | 1 |
CMR
| Indiana Rail Road Company | 1 |
CMRR
| Catskill Mountain Scenic | 2 |
CMW
| CMW | 1 |
CN
| Canadian National Railways | 1226 |
CN-R
| CN-R | 1 |
CNA
| Canadian National Railways | 3 |
CNIS
| Canadian National Railways | 2 |
CNJ
| Central Rail Road of New Jersey | 7 |
CNJW
| CNJW | 2 |
CNRX
| Canadian Northern Railway LLC | 1 |
CNSM
| CHICAGO NORTH SHORE & MILWAUKEE RWY | 1 |
CNW
| Chicago & Northwestern | 148 |
CNWX
| Canadian Wheat Board | 12 |
CO
| Chesapeake & Ohio | 144 |
COFP
| COFP | 2 |
COP
| City of Prineville Railway | 4 |
CORP
| Central Oregon & Pacific | 4 |
CP
| Canadian Pacific Railway | 1021 |
CPMY
| Coopersville & Marne Railway | 3 |
CPRR
| Central Pacific Railroad | 1 |
CPTM
| Companhia Paulista de Trens Metropolitanos | 3 |
CR
| Conrail | 532 |
CRAN
| CRAN | 1 |
CRDX
| Chicago Freight Car Leasing Company | 1 |
CRHA
| Candian Railroad Historical Assocation | 3 |
CRIP
| Chicago Rock Island & Pacific | 24 |
CRR
| Clinchfield | 9 |
CS
| Colorado & Southern | 5 |
CSC
| CSC | 1 |
CSCV
| CSCV | 1 |
CSDX
| Metropolitan Water Reclamation District of Greater Chicago | 1 |
CSOR
| Connecticut Southern | 1 |
CSRR
| Conway Scenic | 1 |
CSS
| Chicago South Shore And South Bend | 6 |
CSX
| CSX Railroad | 2108 |
CT
| City of Columbia d/b/a Columbia Terminal | 2 |
CTA
| Chicago Transit Authority | 12 |
CTIE
| Kansas City Southern Railway Company | 1 |
CTS
| Cumbres & Toltec Scenic | 10 |
CTXX
| CTXX | 1 |
CUX
| CUX | 1 |
CV
| Central Vermont | 27 |
CVSR
| Cuyahoga Valley Scenic RR | 2 |
CVW
| CVW | 1 |
CW
| Colorado and Wyoming | 3 |
CWC
| Charleston & Western Carolina | 2 |
CWCX
| Canandaigua Wine Company Incorporated | 1 |
CWEX
| Midwest Generation LLC | 1 |
CWFX
| CWFX | 1 |
CWI
| Chicago and Western Indiana | 1 |
CWR
| CWR Incorporated | 1 |
CWRC
| CENTRAL WISCONSIN RAILROAD | 1 |
CWRX
| CWR TRANSPORTATION CO. | 170 |
CWW
| CWW | 3 |
D-DM
| D-DM | 1 |
DAIR
| D and I Railroad Company | 2 |
DALT
| Dallas Terminal Railway | 1 |
DAPC
| DAPC | 1 |
DAS
| DAS | 5 |
DAT
| Delta Alaska Terminal | 1 |
DB
| Deutsche Bahn | 4 |
DBI
| DBI | 2 |
DBIX
| DBIX | 2 |
DC
| Delray Connecting Railroad Company | 6 |
DCLR
| Delaware Coast Line RR Co | 2 |
DEER
| DEER | 1 |
DELT
| DELT | 1 |
DGNO
| Dallas Garland & Northeastern | 4 |
DGRV
| DGRV | 1 |
DGVR
| DURBIN & GREENBRIER VALLEY RAILROAD INC | 3 |
DH
| Delaware & Hudson | 32 |
DIR
| DIR | 2 |
DL
| Delaware-Lackawanna Railroad Company | 14 |
DLCR
| DLCR | 2 |
DLW
| Delaware Lackawanna & Western | 2 |
DM
| Detroit & Mackinac | 10 |
DME
| Dakota, Minnesota and Eastern | 23 |
DMIR
| Duluth Missabe & Iron Range | 15 |
DMN
| Duluth Missabe and Northern Railway | 1 |
DMVW
| Dakota Missouri Valley and Western Railr | 2 |
DMX
| DMX | 1 |
DODX
| Department Of Defense | 1 |
DOT
| DOT | 1 |
DOTX
| USDOT/Federal Railroad Administration | 2 |
DR
| Dardanelle and Russellville Railroad Inc | 1 |
DRG
| DRG | 1 |
DRGW
| Denver & Rio Grande Western | 95 |
DRGX
| Denver and Royal Gorge Railway LLC | 3 |
DRS
| DRS | 3 |
DRSX
| DOT Rail Services | 1 |
DRT
| DRT | 1 |
DS
| Durham & Southern | 2 |
DSI
| DSI | 1 |
DSL
| Denver & Salt Lake | 1 |
DSNG
| Durango & Silverton Narrow Gauge Railroa | 3 |
DSRC
| Dakota Southern Railway Company | 1 |
DT
| Decatur Junction Railway Company | 1 |
DTI
| Detroit Toledo & Ironton | 5 |
DTL
| DTL | 2 |
DTS
| Detroit & Toledo ShoreLine | 1 |
DUYX
| DUYX | 1 |
DVYX
| DVYX | 1 |
DWP
| Duluth Winnipeg & Pacific | 3 |
DYNA
| DYNA | 1 |
E
| E | 1 |
EBT
| East Broad Top | 7 |
EC
| EC | 2 |
ECRM
| ECRM | 5 |
EE
| Ellis and Eastern Company | 1 |
EFOM
| EFOM | 1 |
EFVM
| Estrada de Ferro Vitoria-Minas | 109 |
EJE
| Elgin Joliet and Eastern | 18 |
EL
| Erie Lackawanna | 31 |
ELP
| ELP | 1 |
ELS
| Escanaba and Lake Superior Railroad Comp | 1 |
EMCO
| EMCO | 4 |
ENEX
| ENEX | 1 |
EO
| EO | 1 |
ERIE
| Erie Railroad | 7 |
ES
| ES | 6 |
ESHR
| Eastern Shore Railroad | 1 |
ESPN
| East Penn Railroad | 1 |
ET
| ET | 13 |
ETLC
| ETLC | 1 |
EV
| Everett Railroad | 1 |
EWJX
| E.W. Jeffrey Railcar, Inc. | 1 |
EX
| EX | 1 |
FCA
| Ferrovia Centro Atlantica | 47 |
FCEN
| Florida Central | 1 |
FCM
| Ferrocarriles Nacionales de Mexico | 1 |
FCP
| Ferrocarril Del Pacifico | 11 |
FCS
| FCS | 1 |
FDDM
| Fort Dodge Des Moines & Southern | 1 |
FDEC
| Ferrocariles de Cuba | 1 |
FEC
| Florida East Coast | 19 |
FEPA
| FEPA | 7 |
FGLK
| Finger Lakes Railway | 1 |
FLR
| Fife Lake Railway | 1 |
FORD
| FORD | 1 |
FOXY
| FOXY | 1 |
FPSA
| FPSA | 5 |
FRA
| Federal Railroad Administration | 3 |
FRVR
| Fox River Valley Railroad | 2 |
FS
| FS | 1 |
FSRR
| FerroSur | 3 |
FSTX
| Fuel Supply Trust | 1 |
FTSX
| Fairmont Tamper | 34 |
FTVM
| FerroValle | 9 |
FVSX
| FVSX | 3 |
FWD
| Fort Worth & Denver | 2 |
FWX
| FWX | 4 |
FXE
| Ferromex | 39 |
GA
| Georgia Railroad | 3 |
GATX
| General American Marks Company | 1 |
GBW
| Green Bay & Western | 6 |
GC
| Georgia Central | 1 |
GCRT
| GCRT | 3 |
GCRX
| Grand Canyon Railway Incorporated | 1 |
GCRY
| Grand Canyon Railway | 1 |
GCT
| GCT | 1 |
GEXR
| Goderich & Exeter | 1 |
GLRX
| Georgetown Loop Railroad Incorporated | 2 |
GMEX
| GMEX | 1 |
GMO
| Gulf Mobile & Ohio | 9 |
GMQX
| Granite Mountain Quarry | 2 |
GMRY
| Great Miami | 5 |
GMS
| GMS | 3 |
GN
| Great Northern | 35 |
GNWR
| Genesee and Wyoming Railroad Company | 7 |
GNX
| GNX | 1 |
GOT
| GO Transit | 1 |
GPC
| GPC | 1 |
GRE
| GRE | 1 |
GREX
| Georgetown Rail Equipment Company | 227 |
GRM
| GRM | 1 |
GRMS
| GRMS | 1 |
GRPS
| GRPS | 2 |
GRR
| Georgetown Railroad Company | 3 |
GRWR
| Great Walton | 1 |
GS
| Gloster Southern | 2 |
GSM
| Great Smokey Mountains Railway | 1 |
GSMR
| Great Smoky Mountains | 2 |
GSWR
| Georgia Southwestern | 3 |
GT
| Grand Trunk Railway | 1 |
GTAS
| GTAS | 1 |
GTC
| GTC | 2 |
GTW
| Grand Trunk Western | 45 |
GVW
| GVW | 4 |
GW
| GW | 2 |
GWMR
| GWMR | 1 |
GWR
| Great Western Railway Company | 2 |
GWWD
| Greater Winnipeg Water District | 7 |
GWWR
| Gateway Western | 1 |
HABX
| Habco International Incorporated | 11 |
HARS
| HARS | 1 |
HB
| Hampton and Branchville | 3 |
HBC
| HBC | 5 |
HBRY
| Hudson Bay Railway Company | 4 |
HCRY
| Huron Central Railway | 13 |
HCX
| HCX | 1 |
HD
| HD | 1 |
HDCX
| HDCX | 1 |
HERZ
| HERZ | 7 |
HESR
| Huron and Eastern | 2 |
HGZX
| HGZX | 1 |
HLMX
| Helm Financial Corporation | 6 |
HMIX
| Henkels and McCoy Inc | 9 |
HOCX
| HOCX | 1 |
HOLL
| HOLL | 1 |
HOLN
| HOLN | 2 |
HOLX
| HOLX | 3 |
HRBC
| HRBC | 1 |
HRC
| HRC | 1 |
HRD
| HRD | 1 |
HREX
| Heavy Railroad Excavations Incorporated | 1 |
HRRC
| Housatonic Railroad Company | 4 |
HRZ
| HRZ | 5 |
HST
| HST | 1 |
HTT
| Harsco Track Technologies | 11 |
HVRM
| HVRM | 7 |
HVRR
| Hocking Valley | 1 |
HVRX
| Heber Valley Historic Railroad | 3 |
HVSR
| Hocking Valley Scenic | 2 |
HZG
| HZG | 1 |
HZGX
| Herzog Contracting Corporation | 204 |
HZRG
| HZRG | 1 |
IAIS
| Iowa Interstate | 6 |
IANR
| Iowa Northern Ry | 3 |
IATR
| Iowa Traction Railroad Company | 6 |
IBC
| IBC | 1 |
IC
| Illinois Central | 87 |
ICE
| Iowa Chicago and Eastern | 13 |
ICG
| Illinois Central Gulf | 66 |
ICX
| INDUSTRIAL CHEMICALS TRANSIT CO | 5 |
IERM
| IERM | 2 |
IHB
| Indiana Harbor Belt | 15 |
IHRC
| Indiana Hi Rail | 1 |
IMRL
| I&M Rail Link | 3 |
IMRR
| Illinois Midland Railroad | 3 |
INP
| INP | 1 |
INPR
| Idaho Northern and Pacific Railroad | 4 |
INRD
| Indiana Railroad | 3 |
IORY
| Indiana & Ohio | 8 |
IR
| Illinois Railnet | 2 |
IRMX
| III TRANSPORTATION | 1 |
IRSI
| IRSI | 1 |
IRT
| IRT | 1 |
IRYM
| Illinois Railway Museum | 10 |
ISRR
| Indiana Southern | 1 |
ITW
| ITW | 4 |
J
| J | 3 |
JACK
| JACK | 2 |
JD
| JD | 1 |
JPBX
| Joint Powers Board (CalTrain) | 3 |
JX
| JX | 1 |
KBR
| KBR | 9 |
KCC
| KCC | 2 |
KCCS
| Kansas City Clinton & Springfield | 1 |
KCCX
| Kennecott Utah Copper Corporation | 6 |
KCL
| KCL | 1 |
KCS
| Kansas City Southern | 59 |
KCSM
| Kansas City Southern De Mexico | 45 |
KCSR
| KCSR | 1 |
KIWI
| KIWI | 1 |
KJRY
| Keokuk Junction | 1 |
KKA
| KKA | 1 |
KKRR
| Knox and Kane Railroad Company | 8 |
KLN
| KLN | 1 |
KMUX
| Kershaw Manufacturing Company | 5 |
KOMA
| KOMA | 1 |
KOR
| KOR | 10 |
KPR
| Kelowna Pacific Railway Ltd. | 2 |
KPXX
| Andersons - Railgroup | 1 |
KRM
| Kentucky Railway Museum | 2 |
KRR
| Kiamichi | 1 |
KSRY
| Kosciusko & Southwestern Railway | 11 |
KUCX
| Kentucky Utilities Company | 1 |
KYC
| KYC | 1 |
KYLE
| Kyle Railroad | 1 |
LAB
| LAB | 1 |
LAHD
| LAHD | 3 |
LAJ
| Los Angeles Junction Railway | 1 |
LAL
| Livonia Avon & Lakeville | 3 |
LASL
| LASL | 1 |
LBFX
| L B Foster Co | 72 |
LC
| Lancaster & Chester | 8 |
LEN
| Lake Erie and Northern Railway Company | 1 |
LHR
| Lehigh & Hudson River | 1 |
LI
| Long Island Rail Road Company | 48 |
LIMX
| CHEMICAL LIME CO. | 2 |
LINC
| Lewis and Clark Railway Company | 1 |
LINK
| LINK | 2 |
LIRC
| Louisville & Indiana | 3 |
LIRR
| Long Island Railroad | 14 |
LKPA
| LKPA | 1 |
LMIX
| Loram Maintenance of Way Inc. | 139 |
LMLX
| Livingston Mountain Locomotive Works | 1 |
LMRX
| Locomotive Residual Management Llc | 2 |
LMX
| LMX | 3 |
LN
| Louisville & Nashville | 75 |
LOAM
| Lousiana Midland | 1 |
LOR
| LOR | 1 |
LORA
| LORA | 26 |
LR
| LR | 1 |
LRC
| LRC | 2 |
LRG
| LRG | 1 |
LRGX
| LRGX | 1 |
LRS
| Laurinburg and Southern | 1 |
LRV
| LRV | 3 |
LS
| Luzerne And Susquehanna | 2 |
LSI
| Lake Superior and Ishpeming Railroad | 18 |
LSTT
| Lake Superior Terminal Transfer | 1 |
LV
| Lehigh Valley | 8 |
LVAL
| Lackawanna Valley Railroad Corporation | 1 |
MARC
| Maryland Transit Administration | 2 |
MARI
| MARI | 1 |
MAS
| MAS | 1 |
MATA
| MATA | 1 |
MBTA
| Massachusetts Bay Transit Authority | 21 |
MC
| Mass Coastal | 1 |
MCER
| Massachusetts Central Railroad | 1 |
MCIX
| SSI Mobley Company Incorporated (M of W) | 16 |
MCR
| McCloud Railway Company | 1 |
MCRY
| MCRY | 1 |
MDDE
| Maryland and Delaware Railroad | 1 |
ME
| Morristown & Erie Railroad | 31 |
MEC
| Maine Central | 52 |
MERR
| MERR | 1 |
MESX
| Mears/CPG Incorporated | 1 |
METX
| METRA | 56 |
MG
| MG | 2 |
MGA
| Monongahela RR | 1 |
MHWA
| Mohawk Adirondack and Northern Railroad | 1 |
MILW
| Milwaukee Road | 116 |
MISX
| Milwaukee Solvents and Chemicals Corporation | 1 |
MIX
| MIX | 2 |
MJ
| Manufacturers' Junction Railway Company | 1 |
MJRY
| MJRY | 1 |
MK
| MK | 2 |
MKCX
| Morrison Knudsen Corporation | 4 |
MKII
| MKII | 1 |
MKT
| Missouri-Kansas-Texas | 16 |
MMA
| Montreal, Maine & Atlantic | 2 |
MNCR
| Metro North Commuter Railway | 39 |
MNCW
| Metro-North Commuter Railroad | 21 |
MNCX
| Minnesota Corn Processors Incorporated | 1 |
MNJ
| Middletown & New Jersey Railroad | 3 |
MNN
| Minnesota Northern Railroad Incorporated | 2 |
MNNR
| Minnesota Commercial | 8 |
MNRR
| Modoc Northern Railroad Company | 1 |
MNS
| Minneapolis Northfield & Southern | 9 |
MNTX
| Minnesota Transportation Museum, Inc. | 6 |
MNZX
| MNZX | 1 |
MOFW
| MOFW | 1 |
MON
| Monon Route | 10 |
MP
| Missouri Pacific | 268 |
MPA
| Maryland and Pennsylvania Railroad | 8 |
MPC
| MPC | 1 |
MPCX
| Michels Corporation | 7 |
MPM
| MPM | 1 |
MPR
| MPR | 1 |
MPV
| MPV | 1 |
MPX
| COLUMBIAN CARBON CO., MAGNETIC PIGMENT DIV. | 10 |
MQT
| Marquette Rail | 1 |
MR
| McCloud Railway Company | 2 |
MRL
| Montana Rail Link | 49 |
MRS
| Manufacturers Railway | 1 |
MRSL
| MRS Logistica | 22 |
MRYM
| Monticello Railway Museum | 1 |
MSPS
| MSPS | 1 |
MSRC
| Kansas City Southern | 9 |
MSTL
| Minneapolis & St Louis | 12 |
MSU
| MSU | 1 |
MSWY
| Minnesota Western RR | 1 |
MT
| Mississippi and Tennessee RailNet Incorporated | 29 |
MTA
| NYC Transit | 4 |
MTC
| MTC | 1 |
MTNR
| Mississippi Tennessee Railroad LLC | 1 |
MTR
| Montour RR | 1 |
MTSL
| MTSL | 1 |
MUNI
| San Francisco Municipal Railway | 2 |
MW
| MW | 5 |
NALX
| Nalco Chemical Co | 2 |
NAR
| Northern Alberta Railways | 2 |
NAUG
| Naugatuck Railroad Company | 1 |
NB
| NB | 1 |
NBEC
| New Brunswick East Coast Railway Company | 5 |
NBSR
| New Brunswick Southern Railway Company L | 2 |
NCMX
| North Carolina Transportation Museum | 3 |
NCSL
| Nashville Chattanooga & St Louis | 6 |
NdeM
| NDEM | 38 |
NEBR
| NEBR | 1 |
NECR
| New England Central | 12 |
NH
| New Haven | 6 |
NHVR
| New Hope Valley Railroad | 3 |
NICD
| Northern-Indiana Commuter Transportation | 8 |
NJT
| New Jersey Transit | 351 |
NJTR
| NJ Transit Rail Operations | 28 |
NKP
| Nickel Plate | 7 |
NLG
| Kansas City Southern Railway Company (North Louisiana & Gulf) | 1 |
NLLX
| Northern Line Layers | 1 |
NN
| Northern Nevada Railroad Corporation | 7 |
NNYX
| National New York Central Railroad Museu | 4 |
NOPS
| NOPS | 3 |
NORD
| NORD | 3 |
NOTM
| NOTM | 1 |
NP
| Northern Pacific | 43 |
NPBL
| Norfolk and Portsmouth Belt Line | 1 |
NREX
| National Railway Equipment | 1 |
NS
| Norfolk Southern | 1699 |
NSHR
| North Shore | 2 |
NSSX
| National Salvage and Service Corporation | 3 |
NW
| Norfolk & Western | 536 |
NW51
| NW51 | 1 |
NWP
| Northwestern Pacific Railroad Company | 6 |
NWPM
| NWPM | 1 |
NXGX
| NXGX | 1 |
NYC
| New York Central | 64 |
NYCT
| NYCT | 56 |
NYLE
| New York and Lake Erie Railroad Company | 2 |
NYNJ
| NYNJ Rail | 2 |
NYOW
| New York, Ontario & Western | 6 |
NYSW
| New York Susquehanna & Western | 36 |
OBB
| OBB | 7 |
OCE
| Oregon California & Eastern | 2 |
OCPC
| OCPC | 1 |
OCW
| Ocean City Western Railroad | 1 |
OGE
| OGE | 1 |
OHCR
| Ohio Central | 2 |
OHIO
| OHIO | 1 |
OMID
| Ontario Midland Railroad Corporation | 3 |
OMLX
| Omnitrax | 1 |
ONT
| Ontario Northland Railway | 47 |
ONWX
| ONWX | 1 |
ORHC
| Orrville Railway Historical Society | 1 |
OSL
| OSL | 1 |
OSR
| Ontario Southland Rwy | 7 |
OT
| OT | 2 |
OTRX
| On-Track Railway Services Limited | 1 |
OVR
| Otter Valley Railroad | 5 |
OWRN
| OWRN | 1 |
OWS
| OWS | 1 |
OZRR
| OZRR | 2 |
P
| P | 1 |
PACX
| Plasser American Corporation | 23 |
PAL
| Paducah & Louisville | 5 |
PALX
| Paducah & Louisville | 2 |
PAND
| PAND | 1 |
PAR
| PAR | 1 |
PAT
| Port Auhority of Allegheny County | 2 |
PATH
| PATH | 4 |
PB
| PB | 1 |
PBNE
| Philadelphia Bethlehem and New England R | 2 |
PBR
| Patapsco and Back Rivers Railroad | 1 |
PC
| Penn Central | 69 |
PCK
| PCK | 1 |
PCTR
| PCTR | 1 |
PE
| Peoria & Eastern | 1 |
PECR
| PECR | 1 |
PETX
| Penta | 3 |
PGB
| PGB | 2 |
PGE
| Pacific Great Eastern | 6 |
PGFC
| PGFC | 1 |
PGR
| Progressive Rail, Inc | 2 |
PJ
| PJ | 4 |
PKP
| Polish Railways | 5 |
PL
| PL | 1 |
PLE
| Pittsburgh & Lake Erie | 3 |
PN
| PN | 2 |
PNR
| Panhandle Northern Railroad Company | 3 |
PNRR
| Pennsylvania Northeastern | 8 |
PNWR
| Portland and Western Railroad Incorporat | 1 |
PO
| PO | 1 |
POHC
| Pittsburgh & Ohio Central | 1 |
POLS
| POLS | 1 |
PPC
| PPC | 2 |
PPCX
| AAPRCO Register Private Cars | 1 |
PPR
| PPR | 1 |
PPU
| Tazewell & Peoria Railroad | 1 |
PR
| Palmetto Railways | 1 |
PRCo
| Pittsburgh Railways | 1 |
PREX
| Pioneer Rail Equipment | 2 |
PRR
| Pennsylvania Railroad | 76 |
PRRX
| PRRX | 1 |
PRSL
| Pennsylvania Reading Seashore | 2 |
PRSX
| Progress Rail Service | 5 |
PS
| Pittsburg and Shawmut Railroad Company | 5 |
PSAP
| Puget Sound and Pacific Railroad Company | 3 |
PSR
| Pittsburg and Shawmut Railroad Incorporated | 3 |
PSS
| PSS | 1 |
PSTR
| PSTR | 1 |
PT
| Peninsula Terminal Company | 1 |
PTC
| Philadelphia Transportation Company | 1 |
PTM
| Portland Terminal | 2 |
PTS
| PTS | 9 |
PTTX
| TTX Company | 1 |
PURD
| PURD | 1 |
PUSH
| PUSH | 1 |
PW
| Providence and Worcester | 106 |
PXCX
| PXCX | 1 |
QCM
| Quebec Cartier Railroad | 1 |
QGRY
| Quebec Gatineau Railway Incorporated | 16 |
QIT
| QIT | 1 |
QNSL
| Quebec, North Shore and Labrador | 5 |
QRSX
| Quality Railway Services and Supply Company | 1 |
RA
| RA | 1 |
RAC
| RAC | 1 |
RAIL
| Railinc Corporation | 3 |
RAM
| RAM | 5 |
RARW
| Rarus Railway Company | 1 |
RAUN
| RAUN | 2 |
RAYO
| Rayonier | 3 |
RB
| RB | 1 |
RBMN
| Reading Blue Mountain & Northern | 69 |
RBP
| RBP | 1 |
RBR
| RBR | 1 |
RC
| RC | 3 |
RCC
| RCC | 1 |
RCFX
| Railroad Construction Company | 4 |
RCPE
| Rapid City Pierre & Eastern Railroad | 2 |
RCRX
| Reagent Chemical and Research Incorporated | 1 |
RDG
| Reading Railroad | 19 |
RELA
| RELA | 10 |
RENF
| RENF | 1 |
RFFS
| RFFS | 3 |
RFP
| Richmond Fredericksburg & Potomac | 3 |
RFRC
| RFRC | 1 |
RG
| RG | 11 |
RGAX
| RGAX | 24 |
RGDW
| RGDW | 1 |
RGH
| RGH | 2 |
RGM
| RGM | 1 |
RGS
| Rio Grande Southern | 1 |
RH
| RH | 1 |
RHBX
| RHBX | 3 |
RHC
| RHC | 1 |
RI
| RI | 5 |
RJC
| RJC | 1 |
RJCC
| R.J. Corman Railroad/Kentucky Lines | 16 |
RJCP
| R.J. Corman Railroad Company/ Pennsylvan | 9 |
RJCR
| RJ Corman | 18 |
RJCX
| RJCX | 5 |
RK
| RK | 1 |
RKCX
| Knox Kershaw Incorporated | 16 |
RLK
| RailAmerica Ottawa Valley Railway | 7 |
RLL
| RLL | 1 |
RLP
| RLP | 1 |
RLPI
| RLPI | 3 |
RM
| RM | 3 |
RMC
| RMC | 1 |
RMCX
| Reynolds Metals Company | 1 |
RMS
| RMS | 1 |
RMSX
| Pandrol Jackson Incorporated | 79 |
ROAD
| ROAD | 1 |
ROCK
| Rock Island | 3 |
RPL
| RPL | 1 |
RRC
| Respondek Railroad Corporation | 3 |
RRVW
| Red River Valley and Western Railroad | 7 |
RSD
| RSD | 1 |
RSR
| Rochester and Southern Railroad | 1 |
RTA
| Regional Transportation Authority | 1 |
RTC
| RTC | 3 |
RTCX
| Union Tank Car Company | 1 |
RTD
| Regional Transportation District | 1 |
RTI
| Rail Tours | 2 |
RTJX
| RTJX | 1 |
RTM
| RTM | 1 |
RUMO
| RUMO | 9 |
RUT
| Vermont Railway Incorporated | 1 |
RVPS
| RVPS | 2 |
RWC
| RWC | 2 |
RWCX
| RWC Incorporated | 21 |
RWKX
| RWKX | 5 |
SAL
| Seaboard Air Line | 23 |
SALV
| SALV | 1 |
SAS
| South African Railways | 16 |
SB
| South Buffalo RR | 7 |
SBB
| Swiss Railways | 1 |
SBC
| Ferrocarril Sonora Baja California | 10 |
SBD
| Seaboard System | 66 |
SBL
| SBL | 1 |
SBV
| SBV | 1 |
SBVR
| South Branch Valley Rail Road | 1 |
SC
| SC | 5 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 2 |
SCL
| Seaboard Coast Line | 80 |
SCLV
| SCLV | 1 |
SCRM
| SCRM | 1 |
SD
| SD | 9 |
SDAE
| San Diego & Arizona Eastern | 1 |
SDAG
| SDAG | 12 |
SDAQ
| SDAQ | 1 |
SDIX
| Steel Dynamics, Inc | 9 |
SDSG
| SDSG | 1 |
SERC
| SERC | 1 |
SETX
| Sersa | 1 |
SHRR
| SHRR | 4 |
SI
| Union Pacific Railroad Company (Spokane International) | 3 |
SIRT
| Staten Island Rapid Transit | 2 |
SKOL
| South Kansas and Oklahoma | 1 |
SL
| Salt Lake Southern RR | 1 |
SLC
| San Luis Central Railroad Company | 1 |
SLM
| SLM | 4 |
SLR
| St Lawrence & Atlantic | 1 |
SLRG
| San Luis and Rio Grande Railroad | 1 |
SLRS
| SMS Rail Service Incorporated | 6 |
SLSF
| Saint Louis-San Francisco | 51 |
SM
| St. Marys Railroad | 2 |
SMS
| SMS | 1 |
SN
| Sacramento Northern | 3 |
SNC
| Saratoga & North Creek Railway | 1 |
SNCF
| French National Railways | 3 |
SNJX
| SOUTHERN NEW JERSEY RAIL GROUP LLC | 5 |
SOO
| Soo Line | 74 |
SOU
| Southern | 473 |
SP
| Southern Pacific | 69 |
SPAX
| Southeastern Pennsylvania Transportation (SEPTA) | 75 |
SPCX
| Qwest Communications Corporation | 3 |
SPD
| SPD | 2 |
SPMW
| Southern Pacific Maintenance of Way | 221 |
SPS
| Spokane Portland & Seattle | 29 |
SPSX
| Progress Rail Services Corp | 111 |
SRBC
| SRBC | 1 |
SRBX
| SRBX | 3 |
SRC
| Strasburg Railroad | 6 |
SREX
| StatesRail Equipment Company LLC | 1 |
SRGX
| SRGX | 11 |
SRNJ
| Southern Railroad Company of New Jersey | 2 |
SRS
| Sperry Rail Service | 82 |
SRX
| SRX | 1 |
SS
| Sand Springs Railway Company | 1 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 2 |
SSC
| Southern Switching Company | 2 |
SSI
| SSI | 1 |
SSRH
| SSRH | 1 |
SSUC
| SSUC | 1 |
SSVX
| SSI Industries (M of Way Cars) | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 19 |
SSWM
| SSWM | 6 |
ST
| Springfield Terminal | 26 |
STL
| STL | 1 |
STLH
| St. Lawrence & Hudson | 3 |
STM
| STM | 1 |
STMA
| St. Maries River Railroad Company | 6 |
SVGX
| Savage, Inc | 1 |
SVRR
| Shamokin Valley Railroad Company | 2 |
SVRY
| SVRY | 1 |
SWIF
| SWIF | 1 |
SWIN
| SWIN | 1 |
SWX
| SWX | 2 |
T
| T | 2 |
TAMP
| TAMP | 1 |
TB
| TB | 2 |
TBH
| TBH | 2 |
TBM
| TBM | 2 |
TBSR
| TBSR | 1 |
TBWC
| TBWC | 1 |
TC
| Temple & Central Texas | 12 |
TCG
| Tucson Cornelia and Gila Bend Railroad Company | 1 |
TCRX
| Tennessee Central Railway Musem | 2 |
TCWR
| Twin Cities and Western | 2 |
TDIX
| Transdynamic Leasing | 1 |
TE
| Tacoma Eastern Railway Company | 6 |
TFM
| Kansas City Southern De Mexico | 8 |
TH
| TH | 11 |
THB
| Toronto Hamilton & Buffalo | 2 |
THC
| THC | 15 |
THCM
| THCM | 1 |
THM
| THM | 8 |
THWO
| THWO | 1 |
TI
| TI | 1 |
TIE
| TIE | 1 |
TJT
| TJT | 4 |
TM
| Texas-Mexican | 4 |
TMBL
| Tacoma Municipal Belt Line Railway | 1 |
TMDS
| TMDS | 2 |
TMER
| TMER | 2 |
TMT
| Trailer Marine Transport Corporation | 3 |
TP
| Texas & Pacific | 3 |
TPBC
| TPBC | 2 |
TPIT
| TPIT | 1 |
TPLC
| TPLC | 1 |
TPM
| TPM | 1 |
TPW
| Toledo Peoria & Western | 8 |
TR
| Tomahawk Railway L.P. | 2 |
TRAX
| RailAmerica | 2 |
TRBX
| TRBX | 1 |
TRHA
| TRHA | 3 |
TRI
| TRI | 6 |
TRIO
| TRIO | 1 |
TRIP
| TRIP | 8 |
TRRA
| Terminal RR of St Louis | 18 |
TRT
| TRT | 1 |
TRW
| TRW | 5 |
TRWR
| TRWR | 3 |
TS
| Texas Southern | 1 |
TSBY
| Great Lakes Central Railroad | 2 |
TSSX
| U.S. Dept. of Energy Albuquerque Operations Office | 1 |
TTC
| Toronto Transit | 1 |
TTX
| TTX Company | 2 |
TVRR
| Tulare Valley Railroad Company | 24 |
TX
| TX | 2 |
TYOX
| The Tie Yard Of Omaha Inc. | 11 |
TZPR
| Tazewell & Peoria Railroad | 1 |
U
| U | 2 |
UC
| UC | 1 |
UCP
| UCP | 1 |
UCRY
| Utah Central | 4 |
UIC
| UIC | 1 |
UMP
| Upper Merion and Plymouth Railroad | 1 |
UNK
| UNK | 1 |
UP
| Union Pacific Railroad Company | 1420 |
UP-X
| UP-X | 1 |
UPMW
| UPMW | 3 |
UPP
| Union Pacific Passenger | 1 |
UPX
| UPX | 3 |
URMX
| URMX | 3 |
URR
| Union Railroad | 4 |
URS
| URS | 1 |
USA
| USA | 1 |
USAF
| US Air Force | 1 |
USAX
| United States Army | 11 |
USDO
| USDO | 1 |
USS
| U.S. Steel | 1 |
UTAH
| Utah Railway | 1 |
UV
| UV | 1 |
VB
| Van Buren Bridge Company (Bangor & Aroostook) | 3 |
VBZ
| VBZ | 2 |
VCAR
| VCAR | 1 |
VGN
| Virginian Railway | 1 |
VIAM
| VIAM | 3 |
VKL
| VKL | 1 |
VKOR
| VKOR | 1 |
VLI
| Valor da Logistica Integrada | 48 |
VLIX
| Vintage Locomotives Inc | 3 |
VMTX
| VMTX | 1 |
VMV
| VMV | 1 |
VR
| Valdosta Railway | 1 |
VRR
| Vaughan Railroad Company | 1 |
VSR
| Valley & Siletz RR | 80 |
VT
| Virginia & Truckee | 5 |
VTR
| Vermont Railway | 8 |
W
| W | 1 |
WA
| Washington & Atlanta Railroad | 1 |
WAB
| Wabash | 11 |
WAMX
| Webb Asset Management | 1 |
WATC
| Washington Terminal Company | 3 |
WC
| Wisconsin Central | 39 |
WCLR
| Waccamaw Coastline | 1 |
WCRC
| Washington Central | 1 |
WCRG
| WCRG | 1 |
WCRL
| West Chester Railroad Company | 1 |
WCRR
| WCRR | 1 |
WDR
| WDR | 3 |
WE
| Wheeling & Lake Erie | 18 |
WEMW
| WEMW | 1 |
WEPX
| Wisconsin Electric Power Company | 1 |
WGNS
| Wisconsin Great Northern Railroad Inc | 1 |
WGRR
| WGRR | 1 |
WHRC
| Windsor and Hantsport Railway Company | 6 |
WIGX
| Western International Gas & Cylinders | 1 |
WIR
| WIR | 2 |
WISX
| Wisconsin Power and Light Company | 1 |
WKS
| WKS | 1 |
WLE
| WLE | 2 |
WM
| Western Maryland | 23 |
WMRY
| WMRY | 1 |
WN
| WN | 1 |
WNYP
| Western New York and Pennsylvania | 4 |
WOFA
| WOFA | 1 |
WP
| Western Pacific | 20 |
WPMW
| Union Pacific Railroad Company | 10 |
WPRR
| Willamette and Pacific | 4 |
WPRX
| WPRX | 2 |
WPSX
| Wisconsin Public Service | 1 |
WPYR
| White Pass & Yukon Route | 5 |
WRA
| Western Railway of Alabama | 5 |
WRMX
| WRMX | 1 |
WRR
| WRR | 1 |
WRX
| Western Refrigerator Line Company Termin | 1 |
WS
| Ware Shoals RR | 1 |
WSOR
| Wisconsin & Southern | 29 |
WSOX
| First Union Rail | 2 |
WT
| Wrightsville & Tennille | 6 |
WTNN
| West Tennessee | 1 |
WVC
| Durbin and Greenbrier Valley Railroad d/ | 1 |
WVRR
| Whitewater Valley Railroad | 2 |
WW
| Winchester & Western | 1 |
WWEX
| Wood Waste Energy Incorporated | 4 |
WX
| WX | 1 |
X
| X | 18 |
XAS
| XAS | 1 |
XG
| XG | 1 |
XXX
| XXX | 1 |
YKRX
| York Rail | 1 |
YRC
| York Rail | 1 |