Austria
ÖBB (Austrian Federal Railways - Österreichische Bundesbahnen, till 1938 called BBÖ)
StLB (Styrian Provincial Railways - Steiermärkische Landesbahnen) de:Steiermärkische Landesbahnen
MBS (Montafonerbahn Schruns, from Bludenz to Schruns) de:Montafonerbahn
GKB (Graz-Köflacher Eisenbahn) de:Graz-Köflacher Eisenbahn
LTE (Logistik- und Transport GmbH) de:Logistik- und Transport GmbH
​Albania HSH (Albanian Railways - Hekurudha Shqiptare)

Belarus
Belarusian Railway - Belarusian: БЧ, Беларуская Чыгунка, Белорусская железная дорога Belarusian Railway website
Belgium
NMBS/SNCB (Belgian National Railways - Nationale Maatschappij der Belgische Spoorwegen / Société
Nationale des Chemins de fer Belges), abbreviated in Dutch/French.
SNCB Logistics
Dillen & Le Jeune Cargo NV
Bosnia-Herzegovina
ŽFBH (Railways of the Federation of Bosnia and Herzegovina - Željeznice Federacije Bosne i
Hercegovine)
ŽRS (Railways of Republika Srpska - Željeznice Republike Srpske)
Bulgaria
BDZh (Bulgarian State Railways - Български Държавни Железници, Bălgarski Dărzhavni Zheleznitsi)
Croatia
HŽ (Croatian Railways - Hrvatske željeznice)
Czech Republic
SŽDC (Správa železniční dopravní cesty, s.o. - Railway Infrastructure Administration, state organization)
ČD (České dráhy, a.s. - Czech Railways)
ČDC (ČD Cargo, a.s.)
JHMD (Jindřichohradecké místní dráhy - Jindřichův Hradec Local Railways)
CXM (Connex Morava, a.s.)
ODOS (Ostravská dopravní společnost, a.s.)
OKDD (OKD, Doprava, a.s.)
RJ (RegioJet, a.s.)
RTT (Railtransport, s.r.o.)
UNIDO (Unipetrol Doprava, a.s.)
VIA (Viamont, a.s.)
CZL (CZ Logistics, s.r.o.)
Denmark
DSB (Danish State Railways - Danske Statsbaner)
Arriva Danmark
GDS/HFHJ (Gribskovbanen / Hillerød-Frederiksværk-Hundested Jernbane)
HHJ (Odderbanen (Hads-Ning Herreders Jernbane))
HL (Capital City Local Railways - Hovedstadens Lokalbaner)
HTJ/OHJ (Høng-Tølløse Jernbane / Odsherreds Jernbane)
LJ (Lollandsbanen)
LN (Lille Nord)
LNJ (Lyngby-Nærum Jernbane)
NJ (North Jutland Railways - Nordjyske Jernbaner)
ØSJS (Eastern Railway - Østbanen (Østsjællandske Jernbaneselskab))
VLTJ (Lemvigbanen (Vemb-Lemvig-Thyborøn Jernbane)). A popular song about the railway by Danish
band Tørfisk is simply called VLTJ.
VNJ (Western Railway - Vestbanen (Varde-Nørre Nebel Jernbane))
Estonia
CoalTerminalTrans Coal train operator to Muuga coal terminal (28.05.2006-31.12.2006)
Edelaraudtee South-West Railway (passenger and freight; 1996-)
Eesti Vabariigi Raudtee (EVR) Estonian Railways - Eesti Raudtee (privatized 2001, re-nationalized 2006–2007)
Elektriraudtee Electric Railway (Tallinn suburban passenger railway) (1998-)
Go Rail (named EVR Ekspress until 2006) Operator of the Tallinn–Moscow passenger service (1998-)
Põlevkivi Raudtee Coal train operator to Narva Power Plants
Raudteeinspektsioon (formerly Raudteeamet) Estonian Railway Inspectorate (regulator) (1999-)
Spacecom Freight train operator (2004-)
Westgate Transport (Transoil) Freight train operator
Finland
VR (VR Ltd—VR Oy)
Proxion Train Oy
Teollisuuden Raideliikenne Oy
Pääkaupunkiseudun Junakalusto Oy
France
Chemins de Fer de Provence (CFP) (operating 1,000 mm (3 ft 3 3⁄8 in) metre gauge trains Nice–Digne)
Euro Cargo Rail
Eurotunnel
SNCF (French National Railways - Société Nationale des Chemins de fer Français)
Chemins de fer de l'Est
Chemin de Fer de l'État
Chemins de Fer de l'Ouest
Chemin de Fer du Nord
Chemins de fer de Paris à Lyon et à la Méditerranée
Chemin de Fer de Paris à Orléans et du Midi
RATP (Paris Transport Authority - Régie Autonome des Transports Parisiens)
Germany
*Deutsche Bahn (DB AG - German Railways 1992-) de:Liste deutscher Eisenbahngesellschaften
-> Passenger railways
  ABELLIO - Abellio GmbH de:Abellio Rail
  ABG - Anhaltische Bahn Gesellschaft mbH de:Dessau-Wörlitzer Eisenbahn-Gesellschaft (?)
  AKN - AKN Eisenbahn AG de:AKN Eisenbahn
  ALEX - Allgäu-Express de:Allgäu-Express
  AVG - Albtal-Verkehrs-Gesellschaft mbH de:Albtal-Verkehrs-Gesellschaft
  BBG - Bahnbetriebsgesellschaft Stauden mbH
  BKD - Borkumer Kleinbahn und Dampfschiffahrt GmbH de:Borkumer Kleinbahn
  BLB - Burgenlandbahn GmbH de:Burgenlandbahn
  BayOB - Bayerische Oberlandbahn GmbH Bayerische Oberlandbahn
  BOB - Bodensee-Oberschwaben-Bahn GmbH de:Bodensee-Oberschwaben-Bahn
  BSB - Breisgau-S-Bahn-Gesellschaft de:Breisgau-S-Bahn
  BSEG - Brohltal Schmalspur-Eisenbahn Betriebs-GmbH
  BVO - Busverkehr Ober- und Westerzgebirge Bahn GmbH
  BZB - Bayerische Zugspitzbahn AG de:Bayerische Zugspitzbahn
  CBC - City Bahn Chemnitz GmbH de:Chemnitzer Verkehrs-Aktiengesellschaft & de:Verkehrsverbund
   Mittelsachsen
  Chiemsee-Bahn de:Chiemsee-Bahn
  CS - Connex Sachsen GmbH de:Connex Sachsen
  DBG - Döllnitzbahn GmbH [2]
  Drachenfelsbahn - Bergbahnen im Siebengebirge AG
  EGB - DBAG Erzgebirgsbahn de:Erzgebirgsbahn
  EIB - Erfurter Industriebahn GmbH de:Erfurter Bahn
  Eurobahn - Rhenus Keolis GmbH & Co. KG de:Eurobahn
  EVB - Eisenbahnen und Verkehrsbetriebe Elbe-Weser GmbH de:Eisenbahnen und Verkehrsbetriebe
   Elbe-Weser
  FEG - Freiberger Eisenbahngesellschaft mbH de:Freiberger Eisenbahn
  FKE - Frankfurt-Königsteiner Eisenbahn AG de:Frankfurt-Königsteiner Eisenbahn
  FME - Franconian Museum Railway e.V. de:Fränkische Museums-Eisenbahn
  GVG - Georgs-Verkehrs-GmbH
  HEX - HarzElbeExpress (Connex Sachsen-Anhalt GmbH) de:Connex-Fernverkehr
  HLB - Hessische Landesbahn GmbH de:Hessische Landesbahn
  HSB - Harzer Schmalspurbahnen
  HSB - Heidelberger Straßen- und Bergbahn AG
  HTB - Hellertalbahn GmbH de:Hellertalbahn
  HzL - Hohenzollerische Landesbahn AG de:Hohenzollerische Landesbahn
  IL - Inselbahn Langeoog Inselbahn Langeoog
  KHB - DBAG Kurhessenbahn de:Kurhessenbahn
  KML - Kreisbahn Mansfelder Land GmbH
  Mecklenburgische Bäderbahn
  MBB - Mecklenburgische Bäderbahn Molli GmbH
  ME - Metronom Eisenbahngesellschaft mbB de:Metronom Eisenbahngesellschaft
  MeBa - Mecklenburg Bahn GmbH
  NB - Nordseebahn de:NordseeBahn
  NBE - Nordbahn Eisenbahngesellschaft mbH de:Nordbahn (Schleswig-Holstein)
  NEB - Niederbarnimer Eisenbahn de:Niederbarnimer Eisenbahn
  NEG - NEG Niebüll mbH (former NVAG) de:Norddeutsche Eisenbahngesellschaft mbH (?)
  NOB - Nord-Ostsee-Bahn de:Nord-Ostsee-Bahn
  NWB - NordWestBahn de:NordWestBahn
  OBS - DBAG Oberweißbacher Berg- und Schwarzatalbahn de:Oberweißbacher Berg- und
  Schwarzatalbahn
  ODEG - Ostdeutsche Eisenbahn GmbH de:Ostdeutsche Eisenbahn
  OEG - Oberrheinische Eisenbahngesellschaft AG de:Oberrheinische Eisenbahn
  OLA - Ostseeland-Verkehr GmbH (former MeBa/OME) de:Ostseeland Verkehr
  OPB - Oberpfalzbahn de:Oberpfalzbahn
  OSB - Ortenau-S-Bahn de:Ortenau-S-Bahn
  PEG - Prignitzer Eisenbahn-Gesellschaft de:Prignitzer Eisenbahn
  RBG - Regental Bahnbetriebe GmbH ("Länderbahn") Regentalbahn
  RBK - Regionalbahn Kassel GmbH de:Regionalbahn Kassel
  Regio-Bahn GmbH
  RHB - Rhein-Haardt-Bahn GmbH de:Rhein-Haardt-Bahn
  RNV - Rhein-Neckar-Verkehr GmbH de:Rhein-Neckar-Verkehr
  RTB - Rurtalbahn GmbH & Co. KG (former DKB) de:Rurtalbahn
  RüKB - Rügensche Kleinbahn GmbH & Co.
  Saarbahn GmbH de:Saarbahn GmbH
  S-Bahn Berlin GmbH
  SBB - Schweizerische Bundesbahn GmbH
  SBE - Sächsisch-Böhmische-Eisenbahn de:Sächsisch-Böhmische Eisenbahngesellschaft
  SHB - Schleswig-Holstein-Bahn GmbH de:Schleswig-Holstein-Bahn
  SHG - S-Bahn Hamburg GmbH
  SOB - DBAG SüdostBayernBahn de:SüdostBayernBahn
  SOEG - Sächsisch-Oberlausitzer Eisenbahngesellschaft mbH de:Verkehrsverbund Oberlausitz-
   Niederschlesien
  SSB - Stuttgarter Straßenbahnen AG de:Stuttgarter Straßenbahnen
  STB - Süd-Thüringen Bahn de:Süd-Thüringen Bahn
  STE - Strausberger Eisenbahn GmbH de:Strausberger Eisenbahn GmbH
  SWEG - Südwestdeutsche Verkehrs AG de:Südwestdeutsche Verkehrs AG
  TDR - Trans regio Deutsche Regionalbahn GmbH de:Trans regio
  TE - Trossinger Eisenbahn de:Trossinger Eisenbahn
  UBB - Usedomer Bäderbahn de:Usedomer Bäderbahn
  VBG - Vogtlandbahn GmbH de:Vogtlandbahn
  VBK - Verkehrsbetriebe Karlsruhe GmbH de:Verkehrsbetriebe Karlsruhe GmbH
  vectus - Vectus Verkehrsgesellschaft de:Vectus
  VIAS - VIAS GmbH (Odenwald-Bahn) de:VIAS GmbH
  WB - WestfalenBahn de:WestfalenBahn
  WEBA - Westerwaldbahn GmbH de:Westerwaldbahn des Kreises Altenkirchen GmbH
  WEG - Württembergische Eisenbahn-Gesellschaft de:Württembergische Eisenbahn-Gesellschaft
  Wendelsteinbahn GmbH de:Wendelsteinbahn
  WFB - DBAG WestFrankenBahn de:WestFrankenBahn
  ??? - Zahnradbahn, Stuttgart
Historic state railways
Deutsche Bundesbahn (DB - German Federal Railways)
Deutsche Reichsbahn (DR - East German Railways)
Deutsche Reichsbahn-Gesellschaft (DRB - German State Railways 1920-45)
Greece
TrainOSE - the national railways company
OSE (Greek Railways Organization - Οργανισμός Σιδηροδρόμων Ελλάδας, Organismós Sidirodrómon Elládas)
Hellenic State Railways, absorbed by OSE in 1970.
Piraeus, Athens and Peloponnese Railways (SPAP), absorbed by Hellenic State Railways in 1962.
Hungary
MÁV (Hungarian State Railways - Magyar Államvasutak), Infrastructure manager
AWT RAIL HU (Subsidiary of Advanced World Transport Group)
MMV (Hungarian Private Railways Limited - Magyar Magánvasút Zrt.)
Floyd (Hungarian private rail undertaking)
GySEV/ROeEE (Győr-Sopron-Ebenfurth Railway - Győr-Sopron-Ebenfurti Vasút / Raab-Oedenburg- 
Ebenfurter Eisenbahn - Hungaro-Austrian regional railway company), Infrastructure manager
Iceland
Apart from a short line used in the construction of Reykjavik harbour in the early 20th century, there
have never been any railways in Iceland.
Ireland
Iarnród Éireann - Irish Rail, part of Córas Iompair Éireann (CIÉ)
Italy
Alifana, operates, also as Metrocampania Nordest, in northern Campania region
ATM operates tramway routes in and around Milan, and the Milan Metro underground network
FAL, operates in Basilicata and Calabria regions
Metropolitana di Roma, Metro or Subway in Rome
FCU, operates in Umbria region
Ferrovia Circumetnea, narrow-gauge line around the vulcano Etna
Ferrovia del Bernina, railway of Bernina mounts
Ferrovia Genova-Casella, narrow-gauge line in Genoa
Ferrovie del Gargano, operates in northern Puglia region
Ferrovie della Calabria, operates in Calabria region
Ferrovie della Sardegna, operates in almost all Sardinia region
FS, Italian State Railways
Ferrovie del Sud Est, operates in central and southern Puglia region
FER, operates trains in Emilia Romagna region
FNM, operates trains in Lombardy and Piedmont
FUC, operates Ferrovia Udine-Cividale in Friuli region
GTT, operates in Turin metropolitan area
LFI, operates in Tuscany region
LeNord (passenger division of FNM)
Met.Ro., operates Ferrovia Roma-Viterbo
NTV, a private high-speed train operator
Sangritana, operates in Abruzzo region
Sepsa, operates as Ferrovia Cumana and Ferrovia Circumflegrea in Naples metropolitan area
SFSM, operates as Ferrovia Circumvesuviana narrow-gauge lines in Naples metropolitan area
Sistemi Territoriali, operates in Veneto region
TFT (Passenger division of LFI)
Trenitalia (Passenger division of FS)
Trentino trasporti (railway Ferrovia Trento-Malè and bus company in the Province of Trento)
Kosovo
Kosovo Railways (Kosovo Railways J.S.C - Hekurudhat e Kosovës Sh.A - Kosovske Železnice D.D.)
Latvia
LDz (Latvian Railway - Latvijas dzelzceļš - infrastructure manager)
Baltijas Ekspresis (Private rail company - Cargo Train)
Baltijas Tranzita Servis (Private rail company - Cargo Train)
LDz Cargo (Cargo Train)
Pasažieru Vilciens (Passenger Train)
Luxembourg
CFL (Luxembourg Railways - Chemins de Fer Luxembourgeois)
Macedonia
MZ (Macedonian Railways - Makedonski Zeleznici)
Monaco
SNCF (French National Railways - Société Nationale des Chemins de fer Français)
Montenegro
Railways of Montenegro (Railways of Montenegro - Željeznica Crne Gore)
Netherlands
NS (Dutch Railways - Nederlandse Spoorwegen)
Arriva Netherlands
Syntus
Veolia Transport
Connexxion
NS Hispeed
RegioNS
A few Dutch railway stations are served, even for journeys within the country, by foreign railway
companies under the responsibility of NS; these companies are:DB Regio, including DB Regionalbahn
Westfalen and DB Euregiobahn Prignitzer Eisenbahn (part of Arriva Germany)
Cargo operators in Holland
ACTS
Rail4Chem
Captrain
Veolia transport The Netherlands
ERS Railways
Rotterdam Rail Feeding
PortFeeders
Railion / DB Schenker
Bemo Rail
There are also a couple of Train Charter company's active in Holland;
EETC

Alpen Express
Skitrein
Skitrein Disco
Auto Slaaptrein
RailInsight
Berglandtrein
HerikRail
Norway
Norwegian State Railways (current)
Norwegian State Railways (1883–1996) (defunct)
Norwegian National Rail Administration (infrastructure)
CargoNet
Railcare Tåg
Chr. Salvesen & Chr. Thams's Communications Aktieselskab (defunct)
Airport Express Train
Hector Rail
Malmtrafikk
Norsk Hydro (defunct)
NSB Gjøvikbanen
Ofotbanen
SJ
Poland
Koleje Mazowieckie — (Rail Mazovia)
PKP (Polish State Railways — Polskie Koleje Państwowe SA)
PKP Cargo
PKP Intercity
PKP LHS (broad-gauge line operator)
PKP PLK (infrastructure)
Przewozy Regionalne
Szybka Kolej Miejska (Tricity) (Szybka Kolej Miejska — S-Bahn type service in Poland's Tricity region)
Szybka Kolej Miejska (Warsaw)
Warszawska Kolej Dojazdowa
Arriva PCC — Consortium of PCC Rail and Arriva Polska won auction of passenger rail service on 
diesel lines in Kuyavian-Pomeranian Voivodship for 3 years (from December 2007)
CTL Logistics
Lotos Kolej
Orlen KolTrans
PCC Rail
PCC Rail Rybnik
PCC Śląskie Linie Kolejowe (infrastructure)
Trakcja Polska SA (Building Company)
Portugal
CP (Portuguese Railways - Caminhos de ferro portugueses); Since 2004: Portuguese Trains - Comboios
de Portugal
Fertagus (Portuguese Private Railway Operator)
Takargo (In partnership with COMSA)
Romania
State companies:
  Căile Ferate Române - State Railway Company
Private companies:
  Grup Feroviar Român
  Unifertrans
  Servtrans
  Regiotrans
  Cargo Trans Vagon
  CTF
  SAAF
  Constantin Group
  Rail Force
  Sudarec
  RollingStock
  Via Terra
Private Company rail operator
  Dori Trans
  CET Suceava
  CET Brașov
  Termocentrala Deva-Mintia
  AZOMURES
Bega Group
CefMur
Electro Comp Iași
Vitrometan Medias
Remarul 16 Februarie
Transferoviar Grup
Softrans
Transcombi
Trans Expedition Feroviar
SET CFR
Trans blue
Classfer
Light rail
Metrorex - Bucharest Metro rapid transit
RAT - Public transport including trams and light rail
Russia
RZhD (Russian Railways - Российские железные дороги, Rossiskiye Zheleznye Dorogi)
Serbia
ŽS (Serbian Railways - Železnice Srbije)
Kombinovani Prevoz Private railway operator
Beovoz Belgrade Underground railway
Slovakia
ŽSR (Železnice Slovenskej Republiky - The Railways of the Slovak Republic, infrastructure manager)
ZSSK (Železničná Spoločnosť Slovensko, a.s., passenger transport operator)
ZSSKC (Železničná Spoločnosť Cargo Slovakia, a.s., freight transport operator)
BRKS (Bratislavská regionálna koľajová spoločnosť, a.s.)
LTE (LTE Logistik a Transport Slovakia s.r.o.)
SŽDS (Slovenská železničná dopravná spoločnosť, a.s.)
Slovenia
SŽ (Slovenian Railways - Slovenske železnice)
Adria Transport, First private railway company in Slovenia de:Adria Transport
Spain
Adif (Railway Infrastructure Manager - Administrador de Infraestructura Ferroviaria)
RENFE (Incumbent train undertaking - Broad and Standard Gauge)
FEVE (Narrow Gauge Railways - Ferrocarriles de Vía Estrecha)
EuskoTren (Basque Railways - Eusko Trenbideak)
FGC (Catalonian Government Railways - Ferrocarrils de la Generalitat de Catalunya)
FGV (Valencian Government Railways - Ferrocarrils de la Generalitat Valenciana)
FS (Sóller Railway - Ferrocarril de Sóller)
SFM (Majorcan Railway Services - Serveis Ferroviaris de Mallorca)
LOGITREN (Valencian private company)
Sweden
Arlanda Express
Bergslagernas Järnvägar
BK Tåg
Veolia Transport
Green Cargo
Hector Rail AB
SJ (State Railways - Statens Järnvägar)
Tågkompaniet
Switzerland
See also: Swiss railroads, List of railway companies in Switzerland
AB (Appenzeller Bahnen, de:Appenzeller Bahnen)
RHB (Rorschach-Heiden-Bahn)
TB (Trogenerbahn, de:Trogenerbahn)
ASm (Aare Seeland mobil) de:Aare Seeland mobil
BC (Blonay-Chamby)
BDWM (BDWM Transport AG), merger of
BD (Bremgarten-Dietikon-Bahn)
WM (Wohlen-Meisterschwanden-Bahn)
BLM (Bergbahn Lauterbrunnen-Mürren)
BLS (BLS AG), merger of
BLS (Bern - Lötschberg - Simplon bahn)
RM (Regionalverkehr Mittelland AG de:Regionalverkehr Mittelland)
EBT (Emmental-Burgdorf-Thun Bahn de:Emmental-Burgdorf-Thun-Bahn)
BLT (Baselland Transport, de:Baselland Transport)
BOB (Berner Oberland Bahnen), also owns
SPB (Schynige Platte Bahn)
BRB (Brienz Rothorn Bahn)
BVB (Basler Verkehrs-Betriebe)
CIS (Cisalpino), Train operating company
CJ (Chemins de fer du Jura de:Chemins de fer du Jura)
Db (Dolderbahn, Zürich)
DFB (Dampfbahn Furka-Bergstrecke)
DVZO (Dampfbahnverein Zürcher Oberland), preserved line ex-SBB
FART (Ferrovie autolinee regionali ticinesi)
FB (Forchbahn)
FLP (Ferrovia Lugano-Ponte Tresa)
FW (Frauenfeld-Wil-Bahn de:Frauenfeld-Wil-Bahn)
GGB (Gornergrat-Monte Rosa-Bahnen)
JB (Jungfraubahn)
KLB (Kriens-Luzern-Bahn), short freight line until December 2009, remaining infrastructure to Zentralbahn
LEB (Chemin de fer Lausanne-Echallens-Bercher)
LO (Métro Lausanne-Ouchy)
MBC (Transports de la région Morges-Bière-Cossonay), was before
BAM (Chemin de fer Bière-Apples-Morges de:Chemin de fer Bière-Apples-Morges)
MG (Monte Generoso Railway)
MGB (Matterhorn-Gotthard-Bahn) (merger between FO and BVZ)
BVZ (BVZ Zermatt-Bahn ex Brig - Visp - Zermatt Bahn)
FO (Furka-Oberalp-Bahn)
MIB (Meiringen-Innertkirchen Bahn), owned by KWO (Kraftwerke Oberhasli)
MOB (Chemin de fer Montreux-Oberland Bernois)
MVR (Transports Montreux-Vevey-Riviera (MVR), de:Transports Montreux-Vevey-Riviera (merger of MTGN, CEV and some cable cars))
CEV (Chemins de fer électriques Veveysans)
MGN (Montreux-Glion-Rochers de Naye)
NStCM (Chemin de fer Nyon-St-Cergue-Morez de:Chemin de fer Nyon-Saint Cergue-Morez)
OeBB (Oensingen-Balsthal-Bahn)
PB (Pilatusbahn)
RB (Rigi-Bahnen)
VRB (Vitznau-Rigi-Bahn (see Rigi-Bahnen))
RBS (Regionalverkehr Bern-Solothurn, de:Regionalverkehr Bern-Solothurn)
RhB (Rhätische Bahn / Viafier retica)
RiT (Riffelalp Tramway)
SBB-CFF-FFS (Swiss Federal Railways - Schweizerische Bundesbahnen - Chemins de fer fédéraux - Ferrovie federali svizzere)
SEFT (Società Esercizio Ferroviario Turistico operating Ferrovia Mesolcinese)
SOB (Schweizerische Südostbahn AG de:Schweizerische Südostbahn)
BT (Bodensee Toggenburg Bahn)
ST (Sursee-Triengen railway)
SVB (Städtische Verkehrsbetriebe Bern, "Bernmobil", de:Bernmobil)
SZU (Sihltal Zürich Uetliberg Bahn)
THURBO (THURBO), passenger operation, also successor of
MThB (Mittelthurgau-Bahn)
TMR (Transports de Martigny et Régions)
MC (Martigny-Châtelard)
MO (Martigny-Orsières)
TN (Transports publics du littoral neuchatelois)
TPC (Transports Publics du Chablais (merger of AL, AOMC, ASD and VB)
AL (Aigle-Leysin Bahn (see TPC))
AOMC (Aigle-Ollon-Monthey-Champéry (see TPC))
ASD (Aigle-Sépey-Diablerets (see TPC))
BVB (Bex-Villars-Bretaye) (see TPC)
TPF (Transports publics Fribourgeois)
GFM (Chemins der fer Fribourgeios (Gruyére-Friburg-Morat))
TPG (Transports Publics Genevois)
TRAVYS (Transports Vallée de Joux - Yverdon-les-Bains - Ste-Croix)
OC (Orbe-Chavornay)
PBr (Chemin de fer Pont-Brassus)
YSC (Chemin de fer Yverdon - Ste-Croix)
TRN (TRN SA for "Transports publics neuchâtelois")
TSOL (société du tramway du sud-ouest lausannois S.A.)
VBG (Verkehrsbetriebe Glattal)
VBZ (Verkehrsbetriebe Zürich)
WAB (Wengernalpbahn)
WB (Waldenburgerbahn, de:Waldenburgerbahn)
WSB (Wynental- und Suhrentalbahn)
ZB Zentralbahn (2005 merger of the Luzern-Stans-Engelberg-Bahn and SBB Bruenigbahn)
LSE (Luzern-Stans-Engelberg-Bahn)
Turkey
Turkish State Railways (TCDD - Turkiye Cumhuriyeti Devlet Demiryolları)
İstanbul Ulaşım A.Ş. (operating subways in city of Istanbul)
İzban A.Ş. (operating commuter trains in city of İzmir)
TÜVASAŞ (Turkish wagon industry)
Ukraine
UZ (Ukrainian Railway - Укрзалізниця, Ukrzaliznytsya)
United Kingdom
Eurotunnel
Arriva CrossCountry
Arriva Trains Wales
c2c
Chiltern Railways
East Coast
East Midlands Trains
Eurostar
First Capital Connect
First Great Western
First Hull Trains
First TransPennine Express
First ScotRail
Grand Central
Greater Anglia / Stansted Express
Heathrow Connect / Heathrow Express
Island Line
London Midland
London Overground
Merseyrail
Northern Rail
South West Trains
Southeastern
Southern Railway
Virgin Trains
London Underground
Tyne and Wear Metro
Northern Ireland Railways
British Rail (1948–1996)
List of British heritage and private railways
[edit] Vatican City
FS, Italian State Railways
Trenitalia (Passenger division of FS)

Asia

Afghanistan
(Afghanistan has only 24.6 km of railway which are railheads from neighbouring countries). Iran and Turkmenistan plan to help Afghanistan build a rail network that would enable Iran and Turkey to link up with Central Asia.

Bangladesh
 Bangladesh Railway
Burma
 Union of Burma Railways
Hong Kong
 MTR Corporation Limited
 Kowloon-Canton Railway Corporation
 (Its network is currently operated by the MTR Corporation Limited under a 50-year service concession since 2007.)
 Peak Tramways Company Limited
 Hong Kong Tramways Limited
 Ocean Park Corporation
India
 Main article: Rail transport in India
 Indian Railways
 Chennai Metro
 Kochi Metro Rail Ltd
 Delhi Metro
 Kolkata Metro
 Bangalore Metro
 Mass Rapid Transit System (Chennai)
 Konkan Railway Corporation Limited (Konkan Railway)
 e2E Transportation Infrastructure Pvt. Ltd.(www.etoerail.com)
 e2E Transportation Training Services Pvt. Ltd.(www.etoerailvillage.com)
 Gateway Rail Freight Ltd.
 Hind Terminals Pvt Ltd.
 Rail Vikas Nigm Ltd.
 PVRAOCPL - PV Rao Contractors Pvt. Ltd. (www.pvraocpl.com)
Indonesia
 PT Kereta Api Indonesia (Persero) (Indonesian Railway's / PT KAI)
 Jakarta Mass Rapid Transit (PT MRT Jakarta)
Iran
 Islamic Republic of Iran Railways
 railway services & technical constructions company
 RAJA
Iraq
 Iraqi Republic Railways (IRR)
 railway services and technical constructions company (rstc co.) (www.rstc.ir)
Israel
 Israel Railways
 Carmelit - the world's smallest subway system, in Haifa
 CityPass, constructing and operating the Jerusalem Light Rail
Japan
 Further information: List of railway companies in Japan and List of defunct railway companies in

 Japan
Jordan
 Hedjaz Jordan Railway
 Aqaba Railway Corporation
Kazakhstan
 Qazaqstan Temir Zholy (Kazakhstan railways)
Lebanon
 Lebanon State Railways
Malaysia
 Keretapi Tanah Melayu (Malaysian Railway)
 RapidKL Light Rail Transit in Kuala Lumpur
 Express Rail Link Sdn. Bhd.
 KL Monorail
 e2E Transportation Infrastructure Pvt. Ltd.
Nepal
 Nepal Government Railway
 Janakpur Railway
North Korea
 DPRK Department of Railroad
Pakistan
 Pakistan Railways (PR)
 Karachi Circular Railway (KCR)
 There are few Private companies offering private carrying,
 Pakistan Express is a new business class privatized train.
People's Republic of China
 Main article: Rail transport in the People's Republic of China
 China Railways
Philippines
 Philippine National Railways
 Light Rail Transit Authority (Manila LRT) 
 Metro Rail Transit Corporation (Manila MRT) 
 Mindanao Railway Authority
 Panay Railways
Saudi Arabia
 Saudi Railways Organization
Singapore
 Main article: Rail transport in Singapore
 Main article: Mass Rapid Transit (Singapore)
 Main article: Light Rapid Transit (Singapore)
 Main operators
 SBS Transit (ComfortDelGro Corporation)
 SMRT Trains (SMRT Corporation) 
 Other operators 
 Civil Aviation Authority of Singapore (Changi Airport Skytrain)
 Wildlife Reserves Singapore (Jurong Bird Park Panorail)
 Sentosa Development Corporation (Sentosa Express)
South Korea
 passenger/freight train
  -> Korail
 passenger train
  -> AREX
 subway
   Busan Transportation Corporation
   Daegu Metropolitan Subway Corporation
   Daejeon Express Transti Corporation
   Gwangju Metropolitan Rapid Transit Corporation
   Incheon Rapid Transit Corporation
   Korail
   Seoul Metro
   Seoul Metro Line 9
   Seoul Metropolitan Rapid Transit Corporation
   Shin Bundang Line Corporation
   Yongin Light Rail Corporation
 track management
   Korea Rail Network Authority
Sri Lanka
 Sri Lanka Railways
Syria
 Syrian Railways
 Hedjaz Railway
Taiwan (Republic of China)
 Taiwan Railway Administration
 Taiwan High Speed Rail Corporation
 Taipei Metro
 Kaohsiung Mass Rapid Transit
Thailand
 State Railway of Thailand
 Bangkok Skytrain (BTS, Bangkok Mass Transit: sky train operator)
 Bangkok Metro (BMCL, Bangkok Metro Company Limited: underground train operator)
Vietnam
 Vietnam Railways
Oceania

New Zealand
 New Zealand Railways Department NZR or NZGR (to 1981)
 New Zealand Railways Corporation (Now trading as ONTRACK)
 New Zealand Rail Limited (Defunct, renamed Tranz Rail in 1996)
 Tranz Rail (Defunct, brought out by Toll Holdings in 2003)
 Toll Rail
 Veolia (New Zealand)
 Taieri Gorge Railway
 Dun Mountain Railway (to 1870s)
 Kaitangata Line (to 1970)
 New Zealand Midland Railway Company (to 1890s)
 Sanson Tramway (to 1945)
 Wellington and Manawatu Railway Company (to 1908)