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.

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

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.

NUKEM GmbH provides nuclear fuel trading services. The firm supplies uranium hexafluoride and enriched uranium products used in the production of fuel and commercial nuclear reactors. The company was founded in 1960 and is headquartered in Alzenau, Germany.

Posco Plantec Co., Ltd. engages in the manufacture of industrial equipment for petrochemical, refinery, power, steel, oil and gas. It operates through Plant and Module divisions. The plant division provides petrochemical equipment, including towers, columns, reactors, separators, drums, pressure vessels and heat exchangers, and others. The Module division manufactures modules and skids used for construction, modules used for offshore plants, and blocks used for shipbuilding. It also involves in the design services. The company was founded in April 1982 and is headquartered in Pohang, South Korea.

CEA is a French government-funded technological research organisation. A prominent player in the European Research Area, it is involved in setting up collaborative projects with many partners around the world. The CEA is the French Alternative Energies and Atomic Energy Commission (Commissariat à l'énergie atomique et aux énergies alternatives). It is a public body established in October 1945 by General de Gaulle. A leader in research, development and innovation, the CEA mission statement has two main objectives: To become the leading technological research organization in Europe and to ensure that the nuclear deterrent remains effective in the future. The CEA is active in four main areas: low-carbon energies, defense and security, information technologies and health technologies. In each of these fields, the CEA maintains a cross-disciplinary culture of engineers and researchers, building on the synergies between fundamental and technological research. The total CEA workforce consisted of 15 838 employees. Across the whole of the CEA (including both civilian and military research), there were 1556 PhD students and 293 post-docs. The CEA is based in ten research centers in France, each specializing in specific fields. The laboratories are located in the Paris region, the Rhône-Alpes, the Rhône valley, the Provence-Alpes-Côte d'Azur region, Aquitaine, Central France and Burgundy. The CEA benefits from the strong regional identities of these laboratories and the partnerships forged with other research centers, local authorities and universities.

The Japan Atomic Energy Agency (日本原子力研究開発機構, Nihon genshiryoku kenkyū kaihatsu kikō, JAEA) is an Independent Administrative Institution formed on October 1, 2005 by a merger of two previous semi-governmental organizations. While it inherited the activities of both PNC and JAERI, it also inherited the nickname of JAERI, "Genken" 原研, an abbreviated word for "nuclear research".

North American Aviation (NAA) was a major American aerospace manufacturer, responsible for a number of historic aircraft, including the T-6 Texan trainer, the P-51 Mustang fighter, the B-25 Mitchell bomber, the F-86 Sabre jet fighter, the X-15 rocket plane, and the XB-70, as well as Apollo command and service module, the second stage of the Saturn V rocket, the Space Shuttle orbiter and the B-1 Lancer.

China Nuclear Power Operation and Management Co., Ltd., established on 2010-09-19, Business scope includes general items:Nuclear power operation and management and related technical services;Equipment and system debugging,Maintenance service;Nuclear energy comprehensive utilization project development and management;Material equipment supply;Training Services;Tendering agent;Radiation dose inspection,detection;Measuring instrument detection;Information resources and information technology services;Bookkeeping.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license).(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

ÚJV Rež as is a Czech company located in Husinec and ultimately controlled by the Government of Czech Republic. The firm provides research and development in the field of nuclear technology and radioactive waste management in power generation and industry.

Third Qinshan Nuclear Power Co., Ltd. (doing business as CNNC Third Qinshan Nuclear Power Co. Ltd.) is a Chinese company located in Haiyan and ultimately controlled by the Government of China. The firm develops nuclear power projects and generates nuclear electric power.

Konasol Co., Ltd. engages in providing rolled steel products. Its products include composite roll, guide roller, pinch roll, crusher roll, sputtering target, and 3D printing powder. The company was founded on July 5, 1997 and is headquartered in Dangjin-si, South Korea.

POSCO Holdings Inc. engages in the production of steel products. It operates through the following divisions: Steel, Engineering & Construction and Trading. The Steel division produces cold rolled, hot rolled and stainless steel products, plates, wire rods and silicon steel sheets. The Engineering & Construction division engages in the planning, designing and construction of industrial plants, civil engineering projects, commercial and residential buildings. The Trading division exports and imports steel products and raw materials. The company was founded by Tae-Joon Park on April 1, 1968 and is headquartered in Seoul, South Korea.

GL Tech Co., Ltd. engages in the development, production, and sales of monitoring equipment for coal mines and large scale facilities operation state in the electric power industry. It operates through the Safety Production and Semiconductor Precision Processing & Manufacturing fields. The Safety Production field researches and produces various precision sensors, builds intelligent security systems, and provides monitoring technology solutions. The Semiconductor Precision Processing & Manufacturing field develops, manufactures, and sells precision processing equipment used in the packaging and testing of semiconductors and other microelectronic devices. The company was founded on January 22, 1994 and is headquartered in Zhengzhou, China.

Korea Electric Power Corporation (NYSE: KEP, KRX: 015760), better known as KEPCO (Hangul: 켑코) or Hanjeon (Hangul: 한전), is the largest electric utility in South Korea, responsible for the generation, transmission and distribution of electricity and the development of electric power projects including those in nuclear power, wind power and coal. KEPCO is responsible for 93% of Korea's electricity generation. The South Korean government (directly and indirectly) owns a 51.11% share of KEPCO. Together with its affiliates and subsidiaries, KEPCO has an installed capacity of 65,383 MW. On the 2011 Fortune Global 500 ranking of the world's largest companies, KEPCO was ranked 271. KEPCO is a member of the World Energy Council, the World Nuclear Association and the World Association of Nuclear Operators. As of August 2011, KEPCO possesses an A+ credit rating with Fitch Ratings, while Moody's has assigned KEPCO an A1 stable rating.

Dsi Co. Ltd. is a South Korean private company located in Namyangju. The firm engages in commercial and institutional building construction. It was founded in 1987.

Research Institute of Industrial Science & Technology, part of POSCO Holdings Inc., is a company headquartered in Pohang, the South Korea. The firm engages in commercial physical and biological research and development.

China Nuclear Wuhan Power Operation Technology Co. Ltd. is a private company headquartered in China that provides nuclear power operations.