Schlumberger Technology BV, a subsidiary of Schlumberger NV, is a Dutch company located in The Hague. The firm provides gas and oil exploration services.

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.

Services Petroliers Schlumberger SA provides engineering services. The company was founded on September 30, 1954 and is headquartered in Paris, France.

Part of Schlumberger NV, Schlumberger Technologies, Inc. is a company headquartered in Moorestown, NJ, that provides oilfield services such as distributing oil and gas information technologies and providing consulting services.

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.

CARBO Ceramics Inc. is the supplier of ceramic proppant and the resin-coated sand. The Company is the provider of the fracture simulation software, and a provider of fracture design and consulting services, and a range of technologies for spill prevention, containment and countermeasures. The Company sells its products and services to operators of oil and natural gas wells, and to oilfield service companies. The Company's products and services are primarily used in the hydraulic fracturing of natural gas and oil wells. The Company primarily manufactures five ceramic proppants. CARBOHSP and CARBOPROP are proppants designed primarily for use in deep oil and gas wells. It also sells fracture simulation software and provides fracture design, engineering and consulting services to oil and natural gas companies worldwide through its wholly owned subsidiary, StrataGen, Inc. The Company, during the year ended December 31, 2012, wound up its business in Applied Geomechanics, Inc.

Baker Hughes, Inc. is a private company headquartered in Houston, TX. The firm manufactures oilfield equipment.

Guangdong Taiwei Accelerator Co., Ltd., established on 2018-06-05, Business scope includes accelerator equipment,Particle irradiation equipment,vacuum equipment,Electrical Equipment,Electronic equipment,Instrumentation,Design of Class II Medical Devices,to develop,Production,Sales,Install,repair,technical consulting,Technical Services,technology transfer;metallic material,Sales of metal products;Design of computer software, hardware and supporting equipment,to develop,technical consulting,retail,maintain;Import and export,Technology Import and Export.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Lafarge SA engaged in the production and marketing of building materials. It produces and sells cement, aggregates and ready-mix concrete. The company's building products and solutions were used to construct and renovate homes, buildings and infrastructures. It provided its services under the brand name Lafarge. The company operated through the following divisions: Cement, and Aggregates and Concrete. The Cement division produced and sold a wide range of cement and hydraulic binders adapted to the needs of the construction industry. It also offered specialty cements suitable for use in a variety of environmental conditions and specific applications, natural lime hydraulic binders, masonry cements, and ground blast furnace slag. The Aggregates and Concrete division produced and sold aggregates, ready mix concrete, and products relating to paving activities. It also offered plaster based products which include plaster plate, plaster squares, coatings, metal framework and industrial plaster. Lafarge was founded by Joseph-Auguste Pavin de Lafarge in 1833 and was headquartered in Toulouse, France.

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.

Varian Medical Systems (VAR) of Palo Alto, California, USA, is a radiation oncology treatments and software maker. Their medical devices include linear accelerators and software for treating cancer and other medical conditions with radiotherapy, radiosurgery, proton therapy, and brachytherapy. The company supplies software for managing cancer clinics, radiotherapy centers, and medical oncology practices. Varian is a supplier of tubes and digital detectors for X-ray imaging in medical diagnostics, dentistry, veterinary care, scientific, security, industrial inspection including high-energy X-ray technology for cargo screening. Varian Medical Systems employs more than 7,100 people at manufacturing sites in North America, Europe, and China and approximately 70 sites globally.

Thermo Niton Analyzers LLC, a subsidiary of Thermo Fisher Scientific, Inc., is a company headquartered in Billerica, MA, that develops fluorescence technology. On March 29, 2005 Thermo Electron Corp. acquired Thermo Niton Analyzers LLC for $40.50 million.

Isotron, Inc. develops radiation therapy systems for the treatment of cancer. The firm enables physicians to provide improved clinical outcomes for patients in the fight against cancer and particularly those patients whose cancer has advanced to death threatening Stage III or IV. The company was founded in 1998 and is located in Boston, MA.

NUCTECH Co. Ltd. researches and develops security inspection technology. The company offers products such as cargo & vehicle inspection systems, mail sterilization systems, radioactivity monitors, X-Ray inspection systems and industrial CT. Its products are used in the fields, including customs, railway security, aviation security, industrial manufacturing, medical devices, environmental protection and food processing. NUCTECH was founded in 1997 and is headquartered in Beijing, China

Starfire Industries Management, Inc. provides research and development in laboratories. The company is headquartered in Champaign, IL.

European Atomic Energy Community Euratom is a private company headquartered in Luxembourg, Luxembourg, that develops atomic energy.

Sodern engages in manufacturing search, detection, navigation, guidance, aeronautical, and nautical systems and instruments. It specializes in space, optical, and neutron instrumentation. Sodern is a high-tech equipment supplier and has experience in optronics and neutrons to design innovative and competitive solutions, particularly in space, defense, and the mining sector. They guarantee sustainability and reliability.

GNS Gesellschaft für Nuklear-Service mbH, part of E.ON SE, is a German company located in Essen that provides radioactive waste disposal services and manufactures, sells containers for nuclear power plan & waste. The firm was founded in 1974. Daniel Oehr has been the CEO since 2021.