David Guillon

Creusot Forge Industrie manufactures and markets steel ingots. The firm offers slabs designed for steel plate production, casting, and forging. The company's customers include fabricators, tube-makers, distributors, and the oil and gas industries. The company is headquartered in Le Creusot, France

Sfarsteel SA manufactures large forged steel parts. It offers shells, tube sheets, elliptical and channel heads, flanges, primary coolant circuit pipes, and radioactive waste casks for the nuclear industry. The company produces horizontal and vertical crushers, shaft-roller sets, dynamic separators, levers and rollers for crushers, and cement kiln rolls. It also sells ingots, vacuum cast ingots, castings, die-cast slabs, rotors, cylinders, plates, blocks, tubes, nozzles, centrifugation pipes, discs for rotors, top and bottom caps, and channels heads. The company was founded in September 2003 and is headquartered in Montchanin, France.

Part of SPIE SA, Assistance Technique Maintenance Nettoyage SAS is a French company that provides waste treatment, equipment repair, and maintenance services to the petrochemical and nuclear industry. The company is based in Saint-Vigor-d'Ymonville, France. Assistance Technique Maintenance Nettoyage was acquired by SPIE Nucléaire SAS on July 27, 2011.

SPIE Nucléaire SAS provides engineering services to the nuclear sector. The company was founded in 2006 and is headquartered in Cergy-Pontoise, France.

Part of SPIE SA, SPIE Thepault SAS is a French company that engages in the construction of electricity. The company is based in Cergy, France.