List of public utilities
This is a list of public utilities.
Electricity Companies
- Australia: EnergyAustralia, Origin Energy, TRUenergy, SEC Victoria (fmr.), Powercor, AGL, Alinta, Citipower, ETSA Utilities, Western Power, Country Energy, Energex, Integral Energy, ActewAGL, Ergon Energy, Power and Water
- Brazil: Eletrobrás, AES Eletropaulo, CPFL Energia, Celesc, CEMIG, CESP, Copel, Light S.A., CEEE
- Belgium: Electrabel
- List of Canadian electric utilities
- People's Republic of China: State Grid Corporation, China Southern Power Grid
- Czech Republic: CEZ Group
- Egypt:Egyptian electricity holding company(EEHC)
- Finland: Fortum
- France: List of French electric utilities
- Germany: E.ON, RWE, EnBW, Vattenfall
- Greece: PPC (DEI) (Greek Hydro), List of electric power companies in Greece
- Indonesia: PLN
- Italy: Enel, Energit, Italenergia, Edison
- Japan: Kansai Electric Power (Kepco), Tokyo Electric Power (Tepco), Chubu Electric Power, Chugoku Electric Power, Hokuriku Electric Power, Hokkaido Electric Power, Kyushu Electric Power, Tohoku Electric Power, Shikoku Electric Power,Okinawa Electric Power
- Malaysia: Tenaga Nasional Berhad (TNB)
- New Zealand: Genesis Energy, Meridian Energy, Mighty River Power, Transpower
- Singapore: Singapore Power
- South Africa: Eskom
- South Korea: Korea Electric Power Corporation (Kepco)
- Spain: Endesa, Iberdrola
- Sweden: Vattenfall
- United Kingdom: EDF Energy, E.ON UK, National Grid, RWE npower, Scottish Power, Scottish and Southern Energy and Good Energy, Ecotricity,
- List of United States electric companies
- India: NTPC, KPTCL, MSEB, Tata Power, BSES Rajdhani Power Ltd New Delhi, BSES Yamuna Power Ltd New Delhi
- List of Canadian telephone companies
- Australia: Telstra, Optus, Vodafone, Hutchison Telecom(3G network), AAPT, Primus Telecom, Nextgen Networks, Agile Communications, TransACT
- People's Republic of China
- Brazil: Brasil Telecom, Oi, Vivo, TIM, Telefonica Brasil
- List of French telephone companies
- Germany: Deutsche Telekom, Arcor AG, Freenet AG, T-Mobile, Vodafone Germany
- Ireland: Eircom, BT Ireland, Smart Telecom, UTV Media, Vodafone Ireland, Hutchison 3G, O2 (Telefónica Europe)
- Greece: Hellenic Telecommunication Organization (OTE)
- List of Italian telephone companies
- Indonesia: Telkom
- India: Airtel, Vodafone, BSNL, MTNL, Tata Teleservices, RCOM, Idea, Aircel, Spice Communication, Tata DoCoMo
- Japan: NTT, (NTT East, and NTT West)
- Malaysia: Telekom Malaysia
- Pakistan Mobilink, Ufone, Telenor
- Spain: Telefónica
- South Africa: Telkom
- List of United States telephone companies
- List of United Kingdom water companies
- List of United States water companies
Steam companies
- Note: some of these companies are still trading, others are listed here for historical interest
Former hydraulic power companies
See also