CNIM Groupe SA operates as an industrial engineering contractor and equipment manufacturer, designing and producing equipment and systems for the energy, defense, nuclear, and high technology sectors. The company designs, manufactures, and supplies equipment and solutions that include high-precision, large-dimension mechanical components, cryogenics, vacuum technologies, and advanced materials for scientific instruments and nuclear applications. It provides secure handling systems for radioactive materials, pressure equipment, high-value containers, vacuum enclosures, motorized floating bridges for military wet gap crossing, and airborne surveillance solutions. The company develops platforms such as the CNIM Digital Twin to improve waste-to-energy facility performance and participates in waste treatment, energy recovery, and aerospace projects, including maneuvering balloons for stratospheric exploration. The company serves clients in the energy, defense, nuclear, high technology, scientific research, waste management, aerospace, and environmental industries, as well as industrial clients involved in large-scale scientific instruments. The company was founded in 1966 and is based in Levallois-Perret, France.