| 释义 |
- Natural gas companies
- Electricity companies
- Telephone companies
- Water companies
- Steam companies
- Former hydraulic power companies
- See also
This is a list of public utilities. Natural gas companies- {{flag|Brazil}} - Comgás
- {{flag|Canada}} - List of Canadian natural gas companies
- {{flag|China}} - China Natural Gas, Towngas China
- {{flag|Hong Kong}} - China Resources Gas, The Hong Kong and China Gas Company
- {{flag|France}} - List of French natural gas companies
- {{flag|Japan}} - List of Japan natural gas companies
- {{flag|Malaysia}} - Petronas
- {{flag|Pakistan}} - Sui Northern Gas Pipelines Limited Sui Southern Gas Company Limited
- {{flag|Taiwan}} - CPC Corporation
- {{flag|Thailand}} - PTT
- {{flag|United Kingdom}} - List of British natural gas companies
- {{flag|United States}} - List of United States natural gas companies
Electricity companies - {{flag|Australia}} - Lumo Energy, EnergyAustralia, Origin Energy, TRUenergy, SEC Victoria (fmr.), Powercor, Click Energy, AGL, Alinta, Citipower, ETSA Utilities, Western Power, Country Energy, Energex, Integral Energy, ActewAGL, Ergon Energy, Power and Water
- {{flag|Bangladesh}} - Summit Group
- {{flag|Brazil}} - Eletrobrás, AES Eletropaulo, CPFL Energia, Celesc, CEMIG, CESP, Copel, Light S.A., CEEE, Energisa
- {{flag|Belgium}} - Electrabel
- {{flag|Canada}} - List of Canadian electric utilities
- {{flag|China}} - State Grid Corporation, China Southern Power Grid
- {{flag|Hong Kong}} - Hongkong Electric, CLP Power
- {{flag|Macau}} - Companhia de Electricidade de Macau
- {{flag|Czech Republic}} - CEZ Group
- {{flag|Egypt}} - Egyptian Electricity Holding Company
- {{flag|Ethiopia}} - Ethiopian Electric Power Corporation
- {{flag|Finland}} - Fortum
- {{flag|France}} - List of French electric utilities
- {{flag|Germany}} - E.ON, RWE, EnBW
- {{flag|Greece}} - PPC (DEI) (Greek Hydro), List of electric power companies in Greece
- {{flag|Iceland}} - Orkuveita Reykjavíkur
- {{flag|India}} - List of Electricity Organizations in India, India: NTPC, Power Grid Corporation of India Ltd.(PGCIL), KPTCL, MSEB, Tata Power, BSES Rajdhani Power Ltd New Delhi, BSES Yamuna Power Ltd New Delhi
- {{flag|Indonesia}} - Perusahaan Listrik Negara
- {{flag|Italy}} - Enel, Edison, A2A, ACEA, Hera, Sorgenia
- {{flag|Japan}} - Kansai Electric Power, Tokyo Electric Power, Chubu Electric Power, Chugoku Electric Power, Hokuriku Electric Power, Hokkaido Electric Power, Kyushu Electric Power, Tohoku Electric Power, Shikoku Electric Power, Okinawa Electric Power, J-POWER
- {{flag|Libya}} - Gecol
- {{flag|Malaysia}} - Tenaga Nasional Berhad
- {{flag|New Zealand}} - Genesis Energy, Mercury Energy, Meridian Energy, Transpower
- {{flag|Philippines}} - Meralco
- {{flag|Singapore}} - Singapore Power
- {{flag|South Africa}} - Eskom
- {{flag|South Korea}} - Korea Electric Power Corporation
- {{flag|Spain}} - Endesa, Iberdrola
- {{flag|Sweden}} - Vattenfall
- {{flag|Taiwan}} - Taiwan Power Company
- {{flag|Thailand}} - Electricity Generating Authority of Thailand, Provincial Electricity Authority, Metropolitan Electricity Authority
- {{flag|United Kingdom}} - EDF Energy, E.ON UK, National Grid, RWE npower, Scottish Power, Scottish and Southern Energy, Drax Power and Good Energy, Ecotricity, Alkane Energy, Ovo Energy
- {{flag|United States}} - List of United States electric companies
Telephone companies- {{flag|Australia}} - Telstra, Optus, Vodafone, Hutchison Telecom(3G network), AAPT, Primus Telecom, Nextgen Networks, Agile Communications, TransACT
- {{flag|Brazil}} - Brasil Telecom, Oi, Vivo, TIM, Telefónica Brasil
- {{flag|Canada}} - List of Canadian telephone companies
- {{flag|China}}
- {{flag|Hong Kong}} - PCCW Limited, New World Telephone, Hutchison Telecom
- {{flag|Macau}} - Companhia de Telecomunicações de Macau
- {{flag|France}} - List of French telephone companies
- {{flag|Germany}} - Deutsche Telekom, Arcor AG, Freenet AG, T-Mobile, Vodafone Germany
- {{flag|Greece}} - Hellenic Telecommunication Organization
- {{flag|India}} - Airtel, Vodafone, BSNL, MTNL, Tata Teleservices, RCOM, Idea, Jio, Aircel, Spice Communication, Tata DoCoMo
- {{flag|Indonesia}} - Telkom
- {{flag|Ireland}} - Eircom, BT Ireland, Smart Telecom, UTV Media, Vodafone Ireland, Hutchison 3G, O2 (Telefónica Europe)
- {{flag|Italy}} - List of Italian telephone companies
- {{flag|Japan}} - NTT, (NTT East, and NTT West)
- {{flag|Malaysia}} - Telekom Malaysia
- {{flag|Pakistan}} - Mobilink, Ufone, Telenor, Zong
- {{flag|Egypt}} - telecom egypt, orange egypt, vodafone egypt, etisalat egypt
- {{flag|Philippines}} - Philippine Long Distance Telephone Company
- {{flag|Singapore}} - SingTel
- {{flag|South Africa}} - Telkom
- {{flag|Spain}} - Telefónica
- {{flag|Taiwan}} - Chunghwa Telecom, FarEasTone, Taiwan Mobile
- {{flag|Thailand}} - TOT, CAT Telecom, True Corporation, DTAC, AIS, JAS Mobile
- {{flag|United States}} - List of United States telephone companies
Water companies- {{flag|Brazil}} - Sabesp, Sanepar, Copasa
- {{flag|China}}
- {{flag|Hong Kong}} - Water Supplies Department
- {{flag|Macau}} - Macao Water
- {{flag|France}} - SAUR, Suez Environnement, Veolia Environnement
- {{flag|Greece}} - EYDAP
- {{flag|Ireland}} - Irish Water
- {{flag|Italy}} - Hera, Seabo
- {{flag|Egypt}} - Holding company for water and wastewater, Alexandria Water Company
- {{flag|Philippines}} - Maynilad Water Services, Manila Water Company, Inc., Metropolitan Waterworks and Sewerage System
- {{flag|Taiwan}} - Taiwan Water Corporation
- {{flag|United Kingdom}} - List of United Kingdom water companies
- {{flag|United States}} - List of United States water companies
Australia - Unitywater, Queensland Urban Utilities Steam companies Note: some of these companies are still trading, others are listed here for historical interest. - American District Steam Company
- Boston Heating Company
- Compagnie Parisienne de Chauffage Urbain
- Detroit Thermal
- New York Steam Company, now Con Edison Steam Operations
- Trigen Energy Corporation
Former hydraulic power companies - Itaipú Binacional {{flag|Brazil}}
- Liverpool Hydraulic Power Company {{flag|UK}}
- London Hydraulic Power Company, defunct since 1977 {{flag|UK}}
See also{{Expand list|date=August 2008}}{{Companies by industry}} 2 : Public utilities|Lists of companies by industry |