List of companies in the nuclear sector

This is a list of large companies in the nuclear power industry that are active along the nuclear chain, from uranium mining, processing and enrichment, to the actual operating of nuclear power plant and nuclear waste processing. There are many other companies that provide nuclear technologies such as nuclear medicine that are independent of the electrical power generation sector.

Company Country of origin Field of operation Brief description of business
BHP Billiton Australia Uranium mining Owner and operator of the Olympic Dam underground copper and uranium mine in South Australia.
Energy Resources of Australia Australia Uranium mining Energy Resources of Australia, a subsidiary of Rio Tinto Group, is an Australian uranium mining company and one of the largest uranium producers in the world, providing 11% of the world's uranium production. It operates the Ranger Uranium Mine.
Heathgate Resources Australia Uranium mining Wholly owned subsidiary of General Atomics. Operators of Beverley in-situ leach (ISL) uranium mine in South Australia.
Paladin Energy Australia Uranium mining Paladin Energy is an Australian mining company developing a number of uranium projects in Australia and Africa.
Electrabel Belgium Electricity generation Electrabel, a subsidiary of GDF Suez, owns and operates Doel and Tihange nuclear power plants. Its wholly owned subsidiary Synatom deals with fuel supply and spent fuel management.
Eletronuclear Brazil Electricity generation Eletronuclear, a wholly owned subsidiary of Eletrobrás, operates Angra Nuclear Power Plant.
Bulgarian Energy Holding Bulgaria Electricity generation Bulgarian Energy Holding, through its subsidiary of Kozloduy NPP, owns and operates Kozloduy Nuclear Power Plant.
Cameco Canada Uranium mining, nuclear fuel Cameco is a Canadian mining company accounting for 19% of world uranium production. Cameco owns and operates mines in Canada and the United States and holds land positions in areas for new uranium discoveries in Canada and Australia. In addition to mining, Cameco is also active in the refining and conversion of uranium, and in fuel manufacturing.
Hathor Exploration Canada Uranium mining Hathor Exploration, a subsidiary of the Rio Tinto Group, is a Canadian uranium mining company. Its main assets are the Midwest NorthEast Project and the Roughrider Deposit.
Uranium One Canada Uranium mining Uranium One Inc., a subsidiary of ARMZ Uranium Holding, is a Canadian uranium producer with interests in the uranium mines in Kazakhstan, United States, and South Africa.
Bruce Power Canada Electricity generation Bruce Power is a partnership among Cameco Corporation, TransCanada Corporation, and BPC Generation Infrastructure Trust operating the Bruce Nuclear Generating Station.
New Brunswick Power Canada Electricity generation New Brunswick Power operates the Point Lepreau Nuclear Generating Station.
Ontario Power Generation Canada Electricity generation Ontario Power Generation, wholly owned by the Province of Ontario, operates the Pickering Nuclear Generating Station and Darlington Nuclear Generating Station. In addition, it also owns the Bruce Nuclear Generating Station leased on a long-term basis to Bruce Power.
Denison Mines Canada Uranium mining Denison Mines is a Canadian intermediate uranium producer operating five uranium mines in the United States and two in Canada, with exploration projects in Canada, the United States, Mongolia, and indirectly in Australia. Through its 97% ownership in OmegaCorp Limited, an Australian uranium mining company, Denison is also involved in the exploration of the Kariba Uranium Project in Zambia. 15% of Denison Mines is owned by Korea Electric Power Corporation.
China General Nuclear Power Group China Electricity generation China General Nuclear Power Group is the Chinese state-owned nuclear power company which owns the Guangdong Daya Bay Nuclear Power Station and Ling Ao Nuclear Power Station and is building the Hongyanhe Nuclear Power Plant, Yangjiang Nuclear Power Station and Ningde Nuclear Power Station.
China National Nuclear Corporation China Holding China National Nuclear Corporation is a Chinese state-owned energy company, composed of over 100 subsidiary companies and institutes. CNNC is for 45% owner of China Guangdong Nuclear Power Group.
China Nuclear International Uranium Corporation China Uranium mining China Nuclear International Uranium Corporation (SinoU) is the Chinese state-owned company involved in the overseas uranium mining .
Škoda Works Czech Republic Engineering, procurement and construction, nuclear engineering, nuclear fuel cycle Škoda Praha, a subsidiary of United Heavy Machinery, is a nuclear engineering company, the main contractor for the technological part of the construction of the Temelín Nuclear Power Station and the Mochovce Nuclear Power Plant.
ČEZ Group Czech Republic Electricity generation ČEZ Group operates the Temelín Nuclear Power Station and Dukovany Nuclear Power Station.
Fortum Finland Electricity generation Fortum is an operator of the Loviisa Nuclear Power Plant. It has minority stakes in the Olkiluoto Nuclear Power Plant in Finland and the Forsmark Nuclear Power Plant in Sweden.
Fennovoima Finland Electricity generation Fennovoima is a developer of the Pyhäjoki nuclear power plant project. It is affiliated with Rosatom through RAOS Voima Oy.
Teollisuuden Voima Finland Electricity generation Teollisuuden Voima Oyj is an operator of the Olkiluoto Nuclear Power Plant.
Eurodif France Uranium enrichment Eurodif, a subsidiary of Areva, is an operator of the uranium enrichment plant at the Tricastin Nuclear Power Center.
Framatome France Uranium mining, nuclear fuel cycle, nuclear engineering, engineering, procurement and construction. Framatome is a French nuclear energy group with manufacturing facilities in 58 countries. It covers all industrial activities of nuclear energy.
Franco-Belge de Fabrication du Combustible France / Belgium Nuclear fuel Franco-Belge de Fabrication du Combustible, a subsidiary of Areva, is a nuclear fuel producing company located in Romans-sur-Isère in France and Dessel in Belgium.
Bouyges Construction France Engineering, procurement and construction Bouygues Construction, a part of the French family-owned Bouygues group, mainly builds ports, roads, bridges, tunnels, dams and other public constructions, but has also been involved in building, maintaining and dismantling nuclear power plants.
Électricité de France, EDF France Electricity generation The EDF Group is a power generation company which operates 58 reactors in 19 different sites. In addition, it has a 45.01% stake in EnBW, and has a 30% stake in the Taishan Nuclear Power Plant. Its subsidiary EDF Energy Nuclear Generation Limited owns and operates eight plants in the United Kingdom.
PreussenElektra GmbH Germany Electricity generation PreussenElektra GmbH is a subsidiary of E.ON that operates the operates the Brokdorf, Grohnde, and Isar 2 nuclear power plants, and is decommissioning Isar 1 and Unterweser nuclear power plants.
EnBW Germany Electricity generation EnBW, a subsidiary of EDF, through its subsidiary EnBW Kernkraft GmbH operates the Philippsburg Nuclear Power Plant, Obrigheim Nuclear Power Plant, and Neckarwestheim Nuclear Power Plant.
Nukem Energy Germany Nuclear fuel cycle Nukem Energy GmbH, a subsidiary of Cameco, together with its subsidiary Nukem Inc., markets nuclear (reprocessed) fuel components and speciality products.
Nukem Technologies Germany Nuclear waste management; engineering, procurement and construction Nukem Technologies GmbH, a subsidiary of Atomstroyexport, is a nuclear engineering and consulting company managing radioactive waste and spent fuel, and decommissioning of nuclear facilities.
GNS Gesellschaft für Nuklear-Service Germany Nuclear waste management; engineering, procurement and construction GNS Gesellschaft für Nuklear-Service mbH carries out services in the field of radioactive waste disposal and decommissioning of nuclear facilities. Its subsidiary Deutsche Gesellschaft zum Bau und Betrieb von Endlagern für Abfallstoffe is building and operating nuclear waste repositories.
Rheinmetall Defence Germany Simulation Offers nuclear power plant operation simulation and training.[1]
RWE Germany Electricity generation RWE AG operates the Biblis Nuclear Power Plant, Lingen Nuclear Power Plant and Gundremmingen Nuclear Power Plant.
Siemens Germany Nuclear engineering, engineering, procurement and construction Siemens Energy develops and builds power plants and power-generating components. It refurbishes and upgrades turbine-generator units, including those used in the nuclear power plants.
Bhavini India Nuclear development Bhavini is a public sector enterprise responsible for the construction, commissioning and operation of all Stage II fast breeder reactors.
Nuclear Power Corporation of India India Electricity generation Nuclear Power Corporation of India Limited is a public sector enterprise generating about 3% of the total electricity production in India. It operates Tarapur Atomic Power Station, Rajasthan Atomic Power Station, Madras Atomic Power Station, Narora Atomic Power Station, Kakrapar Atomic Power Station, Kaiga Atomic Power Station, and Kudankulam Nuclear Power Plant.
Uranium Corporation of India India Uranium mining Uranium Corporation of India is a public sector enterprise involved in the mining and processing of uranium.
Nuclear Fuel Complex India Nuclear fuel Uranium Corporation of India is a public sector enterprise involved in nuclear fuel production.
Heavy Water Board India Heavy water production Uranium Corporation of India is a public sector enterprise involved in the production of heavy water.
National Thermal Power Corporation India Electricity generation The National Thermal Power Corporation has established a joint venture with the Nuclear Power Corporation of India for the construction of nuclear power plants.
AzarAb Industries Iran Engineering, procurement and construction AzarAb Industries constructs nuclear power plants and manufactures nuclear power plant equipment.
Ansaldo Nucleare Italy Nuclear engineering Ansaldo Nucleare, a subsidiary of Ansaldo Energia, a part of the Finmeccanica-Group, and works on engineering, construction, operations assistance, waste management and decommissioning projects at nuclear plants worldwide.
Enel Italy Electricity generation Enel has nuclear activities in Russia (no operating projects yet), France (a 12.5% stake in the Unit 3 of Flamanville Nuclear Power Plant), Slovakia (66% stake in Slovenské elektrárne), Spain (92% stake in Endesa) and Italy (a joint venture with Edf named Sviluppo Nucleare Italia Srl).
Electric Power Development Company Japan Electricity generation Electric Power Development Co., Ltd. (J-Power) is constructing the Ōma Nuclear Power Plant.
Tokyo Electric Power Co. Japan Electricity generation Tokyo Electric Power Company, Inc. (TEPCO) is the largest nuclear operator in Japan. It operates the Fukushima Daiichi Nuclear Power Plant, Fukushima Daini Nuclear Power Plant, and Kashiwazaki–Kariwa Nuclear Power Plant.
Kansai Electric Power Company Japan Electricity generation Kansai Electric Power Company, supplies electric power to the Kansai region, and operates the Mihama Nuclear Power Plant, Takahama Nuclear Power Plant, and the Ōi Nuclear Power Plant. About 41% of its electricity is generated from nuclear.
Japan Nuclear Fuel Limited Japan Nuclear fuel cycle Japan Nuclear Fuel Limited is involved in the production of nuclear fuel, as well as the reprocessing, storage and disposal of nuclear waste.
Kazatomprom Kazakhstan Nuclear holding Kazatomprom is a state-owned nuclear holding company in Kazakhstan. Kazatomprom controls all uranium exploration and mining as well as other nuclear-related activities, including imports and exports of nuclear materials in the country. The company accounts for 10% of the world uranium production. It owns a 10% stake in Westinghouse Electric Company.
Korea Hydro & Nuclear Power Korea Electricity generation Korea Hydro & Nuclear Power Co. (KHNP), a subsidiary of the Korea Electric Power Corporation, operates 20 nuclear power units at the Kori Nuclear Power Plant, Yeonggwang Nuclear Power Plant, Uljin Nuclear Power Plant, and Wolseong Nuclear Power Plant. In December 2009, KHNP started cooperating with Areva on the development of uranium mining in Niger.
Korea Nuclear Fuel Korea Nuclear fuel Korea Nuclear Fuel, a subsidiary of the Korea Electric Power Corporation, is a manufacturer of nuclear fuels.
KEPCO E&C Korea Engineering, procurement and construction KEPCO E&C, a subsidiary of the Korea Electric Power Corporation, is a nuclear power design, engineering, and constructing company.
Rössing Namibia Uranium mining Rössing, a subsidiary of Rio Tinto Group, is an operator of the Rössing uranium mine in Namibia.
Essent Netherlands Electricity generation Essent, a subsidiary of RWE, together with DELTA owns 50% of the Borssele Nuclear Power Station in the Netherlands.
Nuclearelectrica Romania Electricity generation The state-owned Societatea Nationala Nuclearelectrica operates the Cernavodă Nuclear Power Plant.
Atomstroyexport Russia Nuclear reactor engineering, engineering, procurement and construction Atomstroyexport, a subsidiary of Rosatom, is a nuclear technology provider and constructor for overseas projects.
Inter RAO Russia Electricity generation Inter RAO UES, minority shares owned by Rosatom, operates the Metsamor Nuclear Power Plant in Armenia and is building the Kaliningrad Nuclear Power Plant.
United Heavy Machinery Russia Nuclear engineering United Heavy Machinery is a provider of primary circuit equipment for nuclear power plants with pressurized water reactors. Its subsidiary Izhora Plants produces forgings for nuclear reactors.
Atommash Russia Nuclear engineering Atommash is a manufacturer of components for nuclear power plants.
FSUE Atomflot Russia Nuclear fleet service FSUE Atomflot maintains the world's only fleet of nuclear-powered icebreakers.
Atomenergoprom Russia Nuclear holding Atomenergoprom, a subsidiary of Rosatom, is a holding company for Russian civil nuclear industry.
NuScale Power United States Nuclear engineering NuScale is a manufacturer and systems engineering company for small modular nuclear reactors.
Rosenergoatom Russia Electricity generation Rosenergoatom, a subsidiary of Rosatom, is an operator of all Russian civil nuclear power plants.
Atomenergomash Russia Nuclear engineering Atomenergomash, a subsidiary of Rosatom, is a manufacturer of nuclear power plants' components.
ARMZ Uranium Holding Russia Uranium mining ARMZ Uranium Holding, a subsidiary of Rosatom, is a uranium mining company.
Rosatom Russia Nuclear holding Rosatom Nuclear Energy State Corporation is the successor of the Russian ministry of the nuclear complex. It is a state-owned holding company for the all Russian nuclear sector, including nuclear power related companies, nuclear weapons companies, research institutes and nuclear and radiation safety agencies. It also represents Russia in the world in the field of peaceful use of nuclear energy and protection of the nonproliferation regime.
Tekhsnabexport Russia Nuclear fuel cycle Tekhsnabexport (Tenex), a subsidiary of Rosatom, is a provider of nuclear fuel cycle products and services.
TVEL Russia Nuclear fuel cycle TVEL's activities include development, fabrication and sales (including export sales) of nuclear fuel. TVEL, a subsidiary of Rosatom, consists of 14 enterprises, including mining enterprises, major production entities and supporting infrastructure companies.
OKBM Afrikantov Russia Nuclear engineering OKBM Afrikantov, a subsidiary of Rosatom, is a nuclear reactor design and engineering company.
OKB Gidropress Russia Nuclear engineering OKB Gidropress, a subsidiary of Rosatom, is a nuclear reactor design and engineering company.
Slovenske Elektrarne Slovakia Electricity generation Slovenske Elektrarne, a subsidiary of Enel, is an operator of the Bohunice Nuclear Power Plant and Mochovce Nuclear Power Plant.
GEN Energija Slovenia Electricity generation GEN Energija, a state-owned company, is a co-owner of the Krško Nuclear Power Plant.
Eskom South Africa Electricity generation Eskom operates the Koeberg Nuclear Power Station.
Endesa Spain Electricity generation Endesa owns Unit 1 of Ascó Nuclear Power Plant and has stakes in Unit 2 of Ascó Nuclear Power Plant (85%), Almaraz Nuclear Power Plant (36%), Santa María de Garoña Nuclear Power Plant (50%), Vandellòs Nuclear Power Plant (72%), and Trillo Nuclear Power Plant (1%).
Iberdrola Spain Electricity generation, EPC The Iberdrola Group has a total installed nuclear capacity of 3,344 MW. It has stakes in the Santa María de Garoña Nuclear Power Plant (50%), Trillo Nuclear Power Plant (49%), Almaraz Nuclear Power Plant (52%), Unit 2 of Ascó Nuclear Power Plant (15%), Cofrentes Nuclear Power Plant (100%), and Vandellòs Nuclear Power Plant (28%). Its subsidiary Iberdrola Ingeniería y Construcción provides engineering, procurement and construction services in France, Russia, Slovakia, Mexico, Brazil, Sweden, Ukraine and Bulgaria.
Sydkraft Nuclear Sweden Electricity generation Sydkraft Nuclear, a subsidiary of Sydkraft which is a part of the Uniper Group, has stakes in the Forsmark Nuclear Power Plant, Ringhals Nuclear Power Plant, and Oskarshamn Nuclear Power Plant in Sweden.
OKG AB Sweden Electricity generation OKG, controlled by Sydkraft Nuclear and Fortum, is an operator of the Oskarshamn Nuclear Power Plant.
Vattenfall Sweden Electricity generation Vattenfall has stakes in the Ringhals Nuclear Power Plant and Forsmark Nuclear Power Plant in Sweden, and the Brokdorf Nuclear Power Plant, Brunsbüttel Nuclear Power Plant, and Krümmel Nuclear Power Plant in Germany.
Resun AG Switzerland Electricity generation Resun AG, owned by BKW FMB Energie AG (31.25%) and the Axpo subsidiaries Nordostschweizerische Kraftwerke AG (57.75%) and Centralschweizerische Kraftwerke AG (11%), plans to build replacement plants for the Mühleberg Nuclear Power Plant and Beznau Nuclear Power Plant.
BKW FMB Energie Switzerland Electricity generation BKW FMB Energy is the owner of the Mühleberg Nuclear Power Plant and has a stake in the Leibstadt Nuclear Power Plant.
Alpiq Switzerland Electricity generation Alpiq has interest in the Gösgen Nuclear Power Plant (40%) and Leibstadt Nuclear Power Plant (32%). It plans to build the Niederamt Nuclear Power Plant.
BHP Billiton UK / Australia Uranium mining BHP Billiton is the world's largest mining company. It owns the Olympic Dam mine, a multi-mineral ore body, which is the largest uranium deposit.
Urenco Group UK / Germany / Netherlands Nuclear fuel cycle Urenco operates in a pivotal area of the nuclear fuel supply chain, including mining, conversion, enrichment and fabrication. It owns and operates enrichment plants in the UK (Capenhurst), Germany (Gronau) and the Netherlands (Almelo). In the US, Urenco owns the National Enrichment Facility in New Mexico. Urenco also owns a 50% interest in Enrichment Technology Company Limited, a joint venture with Areva.
Horizon Nuclear Power United Kingdom Electricity generation Horizon Nuclear Power is developing new nuclear power stations at the Wylfa Nuclear Power Station and Oldbury Nuclear Power Station sites. It is owned by Hitachi.
Magnox Ltd United Kingdom Nuclear decommissioning Magnox Ltd. is responsible for the operation and decommissioning of Magnox nuclear power stations in the United Kingdom.
Sellafield Ltd United Kingdom Nuclear decommissioning Sellafield Ltd. is responsible for the decommissioning of the Sellafield nuclear facility in the United Kingdom.
Energoatom Ukraine Electricity generation Energoatom is a state-owned operator of all nuclear power plants in Ukraine.
EnergySolutions United States Low Level nuclear waste disposal EnergySolutions is the largest nuclear waste company in the United States.
Victoreen[2] United States Radiation Monitoring Systems Victoreen specializes in radiation detection equipment. Founded in 1928 by John Austin Victoreen, Victoreen was the only maker of nuclear instruments until 1946. Victoreen's early contract to build instruments was to support the development of the first atomic bomb as part of the Manhattan Project. After the end of WWII, Victoreen was the major supplier of instruments for the first atomic tests in the Marshall Islands in 1946 for the Able, Baker and Charlie tests. Victoreen provided 95% of the instrumentation for the South Pacific atomic bomb tests and became known as the “First Nuclear Company”. Today Victoreen has equipment installed in hundreds of facilities and nuclear power plants across the world.
Dominion Resources United States Electricity generation Dominion Resources through its three daughter companies operates the Kewaunee Power Station (556 MW, north eastern Wisconsin), Millstone Nuclear Power Plant (2,103 MW, Connecticut), North Anna Nuclear Generating Station (1,806 MW) and Surry Nuclear Power Plant (1,598 MW).
Duke Energy United States Electricity generation Duke Energy operates the Catawba Nuclear Station, Oconee Nuclear Station, and McGuire Nuclear Station. It plans to build the William States Lee III Nuclear Generating Station.
GE Hitachi Nuclear Energy United States/Japan Nuclear reactor engineering; Engineering, procurement and construction; Nuclear fuel GE Hitachi Nuclear Energy, a partnership of General Electric and Hitachi (in Japan the partnership is Hitachi-GE Nuclear Energy), is a provider of advanced reactor technology and nuclear services, including manufacturing nuclear fuel and uranium enrichment services.
NRG Energy United States Electricity generation NRG Energy is an operator of the South Texas Nuclear Generating Station. Together with Toshiba it develops additional units at the plant.
South Carolina Electric and Gas Company United States Electricity generation South Carolina Electric and Gas Company (SCE&G), a subsidiary of SCANA Corporation, is an operator of the Virgil C. Summer Nuclear Generating Station
Southern Company United States Electricity generation Southern Company through its subsidiaries Alabama Power and Georgia Power operates the Joseph M. Farley Nuclear Generating Station, Edwin I. Hatch Nuclear Power Plant, and the Vogtle Electric Generating Plant.
UniStar Nuclear Energy United States Electricity generation UniStar Nuclear Energy, a joint venture of EdF and Constellation, is a developer of new units at the Calvert Cliffs Nuclear Power Plant, Nine Mile Point Nuclear Generating Station, Callaway Nuclear Generating Station, and the Bell Bend Nuclear Power Plant.
Westinghouse Electric Company United States Nuclear fuel cycle, nuclear engineering, engineering, procurement and construction Westinghouse Electric, a subsidiary of Toshiba, offers nuclear fuel, services, technology, plant design and equipment.
Constellation United States Electricity generation Constellation Energy Nuclear Group, a joint venture of Constellation and EDF, is an operator of the Calvert Cliffs Nuclear Power Plant, Robert Emmett Ginna Nuclear Power Plant, and Nine Mile Point Nuclear Generating Station.
Nuclear Fuel Services United States Nuclear fuel Nuclear Fuel Services is a nuclear fuel manufacturer.
Sequoyah Fuels Corporation United States Nuclear fuel Sequoyah Fuels Corporation, a subsidiary of General Atomics, is a uranium processing company in the United States.
United States Enrichment Corporation United States Uranium enrichment United States Enrichment Corporation, is a uranium enrichment company in the United States.
US Nuclear Corp United States Radiation Detection, Tritium Equipment US Nuclear Corp. is a radiation detection company specializing in advanced tritium detection monitors through its Overhoff Technology division and radiation detection devices from its Technical Associates (Optron Scientific Corp) division in the United States.
Navoi Mining and Metallurgy Combinat Uzbekistan Uranium mining Navoi Mining and Metallurgy Combinat is a uranium mining company in Uzbekistan.

Others

Other notable nuclear power groups (some mixed energy) include:

NameCountry
American Nuclear SocietyUnited States
Atomic Energy Commission of IndiaIndia
Atomic Energy of Canada LimitedCanada
British EnergyUnited Kingdom
Canadian Nuclear Safety CommissionCanada
Egyptian Atomic Energy AuthorityEgypt
Électricité de FranceFrance
Environmentalists for Nuclear EnergyFrance
Environmentalists for Nuclear Energy AustraliaAustralia
EURATOMEurope
Federal Atomic Energy AgencyRussia
Institute of Nuclear Power OperationsUnited States
International Atomic Energy Agency (IAEA)International
(headquarters in Vienna, Austria)
National Atomic Energy Commission (CNEA)Argentina
Nuclear Energy Corporation of South Africa (NECSA)South Africa[3]
Nuclear Energy InstituteUnited States
Nuclear Industry AssociationUnited Kingdom
Pakistan Atomic Energy CommissionPakistan
Pakistan Nuclear SocietyPakistan
Russian Federal Atomic Energy AgencyRussia
United Kingdom Atomic Energy AuthorityUnited Kingdom
United States Department of EnergyUnited States
World Nuclear Association (WNA)International

See also

References
  1. "Rheinmetall Defence - Power Plant Simulation". www.rheinmetall-defence.com. Retrieved 2016-08-18.
  2. http://Victoreen.com
  3. "NECSA". Retrieved 2016-03-18.<
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