1. Electricité de France (EDF, ElectricitédeFrance): France's largest electric utility company, which owns and operates a number of nuclear power plants.
2. Areva: France's nuclear fuel supplier, responsible for the production, recycling and reprocessing of nuclear fuel.
3. British Nuclear Fuels (BNFL, BritishNuclearFuelsplc): the UK's nuclear fuel supplier, responsible for the production, handling and recycling of nuclear fuel.
4. General Electric (GE, GeneralElectric): a U.S. conglomerate that produces nuclear power equipment and provides nuclear power technology services.
5. Westinghouse Electric Company (WestinghouseElectricCompany): the United States of America's nuclear power equipment manufacturers, providing nuclear power plant design, manufacturing, construction and operation services.
6. Toshiba: A Japanese conglomerate that manufactures nuclear power equipment and provides nuclear power technology services.
7. FujiElectric: a Japanese nuclear power equipment manufacturer that provides control systems, instrumentation and equipment for nuclear power plants.
8. ChinaGeneralNuclearPowerCorporation (CGN): China's nuclear power conglomerate responsible for the investment, construction and operation of nuclear power plants.
9. ChinaNuclearPowerCo.,Ltd.: China's nuclear power operator, responsible for the operation and management of nuclear power plants.
10.TaihaiNuclearPowerCo.,Ltd.: China's nuclear power equipment manufacturer, providing nuclear island main equipment and large castings and forgings.
Please note that nuclear power concept stocks may be affected by a variety of factors such as policy, economy, technology, etc. Before investing, please fully understand the business and prospects of the relevant companies and consult a professional investment advisor.