TerraPower LLC provides nuclear energy technologies. It focuses on improving the design of nuclear reactors and is developing a new class of nuclear reactor called a Traveling-Wave Reactor. The company was founded by William Henry Gates III and Nathan P. Myhrvold in 2008 and is headquartered in Bellevue, WA.

The first incarnation of Westinghouse Electric Corporation, an American manufacturing company, was founded on January 8, 1886 by George Westinghouse. It was originally named Westinghouse Electric Company, and was renamed Westinghouse Electric Corporation in 1945. The company acquired the CBS television network in 1995, and was renamed CBS Corporation before being acquired by Viacom in 1999.

Nuclear Power Institute of China is a private company headquartered in Chengdu, China, that engages in nuclear power research and development.

USNC specializes in the fields of nuclear power, small modular reactors, space reactors, and advanced reactors. The company is driven by its mission is to develop and deploy nuclear-based power generating equipment that is safe, commercially competitive, and simple to use. We are committed to bringing safe, reliable, and secure nuclear energy to world markets. USNC was founded in 2011 and headquartered in Seattle, Washington.

China General Nuclear Power Group is an energy corporation that focuses on the development of clean energies like nuclear power, wind power, nuclear fuel, and solar power. The company has over 30 years of experience in research and development and operation of nuclear power projects. The company's mission is to develop quality clean energy to benefit mankind with safety while pursuing excellence. China General Nuclear Power Group was founded on 1994 and is headquartered in Shenzhen, China.

Framatome GmbH engages in the development, marketing, distribution, construction, and supply of systems and components for nuclear power plants with pressurised water and boiling water reactors, as well as fusion and research reactors. It also provides services such as consulting, repair and maintenance of nuclear power plants, as well as supply of equipment for the dismantling of power plants and handling of nuclear waste. The company was founded on April 14, 2016 and is headquartered in Erlangen, Germany.

China General Nuclear Power Corporation, established on 2014-03-25, Business scope includes general business items:,The licensing program is:Nuclear-dominated electricity production,Heat production and supply,Related Professional Technical Services,nuclear waste disposal,Organize and implement the construction and management of nuclear power plant projects;Organize the operation of nuclear power plants,Maintenance and related business;Organize and develop the design and scientific research work of nuclear power plants;Engage in related investment and import and export business.

China Nuclear Power Technology Research Institute Co. Ltd. is a Chinese company ultimately controlled by the Government of China. The firm engages in research, development, and application of nuclear engineering technologies; information and software technology; trading, telecommunication and construction services.

Framatome SA is a French multi -national private company located in Paris. The firm designs, manufactures, and supplies electrical and electronic connectors.

Korea Hydro & Nuclear Power Co. Ltd. produces and supplies electric power. It operates nuclear plants in Busan, Ulsan, North-Gyeongsang, and North-Jeonla and renewable energy generation facilities. The company was founded on April 2, 2001 and is headquartered in Seoul, South Korea.

The Korea Atomic Energy Research Institute (KAERI) in Daejeon, South Korea was established in 1959 as the sole professional research-oriented institute for nuclear power in South Korea, and has rapidly built a reputation for research and development in various fields. In 1995 KAERI designed and constructed the nation's first multipurpose research reactor, HANARO based on the Canadian MAPLE design. KAERI is dedicated to finding a wide range of uses for atomic energy. As examples, KAERI developed the world's first radiopharmaceutical "Milican injection" for treating liver cancer.

GE-Hitachi Nuclear Energy Americas LLC engages in the provision of reactors and nuclear services. It offers surface mitigation, feed water debris strainer, jet pump anti-vibration system, parts asset management solutions, remote uncoupling, and stinger solutions. The company was founded in 2007 and is headquartered in NC.

Part of Battelle Memorial Institute, Battelle Energy Alliance LLC is a company headquartered in Idaho Falls, ID, that manages and operates energy facility for neutron testing.

Hitachi GE Nuclear Energy Ltd. engages in the design, manufacture, sale, installation and maintenance of light-water reactor equipment, fast reactor and nuclear fuel cycle, and related products The company was founded on June 4, 2007 and is headquartered in Hitachi, Japan.

British Nuclear Fuels Ltd. is a company headquartered in London, UK and ultimately controlled by the Government of United Kingdom. The firm manufactures nuclear fuels.

Yangjiang Nuclear Power Co., Ltd. engages in the construction, operation, and management of Yangjiang nuclear power plant. Its business activities include the generation, transmission, and sale of electricity. The company was founded on February 23, 2005 and is headquartered in Yangjiang, China.

Toshiba Energy Systems & Solutions Corporation is a supplier of integrated energy and medical solutions. With its long experience and expertise in a wide range of power generation and, transmission systems and energy management technology, the company delivers innovative, reliable and efficient energy solutions across the globe.