Francis Dupouyand

Part of Bouygues SA, Serma SAS specializes in maintenance of industrial machinery and other engineering services. The company is based in Champforgeuil, France. The CEO of the French company is Philippe Berlié. Serma was acquired by Bouygues Energies & Services SAS on November 19, 2003.

Jindal France SAS operates as a holding company with interest in manufacturing various types of plastic coating films. The firm's products include flexible & laminated packaging films and holographic & polyester metalized films. The company is headquartered in Paladru, France.

Serma Ingenierie SASU designs and produces embedded electronic systems for aeronautics. The company was founded in 2005 and is headquartered in Cornebarrieu, France.

Part of Financière Watt SAS, the company is based in Pessac, France. The French company operates as an investment holding company. The CEO of the company is Bernard Ollivier.

Accel'Image is a company based in Paris, France that provides public relations and communication consulting services.

Sci La Rochelle is a French company that leases apartment buildings. The private company is based in Paris, France.

Financière Watt SAS manufactures semiconductor devices. The company is headquartered in Pessac, France.

Watt Participations SA is an investment holding French company. The private company was founded in 2018. Bernard Ollivier has been the CEO of the company since 2018.

Ascendance Flight Technologies SAS is a French company that provides sustainable flight solutions for today and tomorrow. The company is based in Toulouse, France. The company has introduced Atea, a low noise and low carbon emissions VTOL aircraft based on their unique hybrid propulsion technology. It aims to make aviation cleaner and quieter. The company was founded in 2018 by Benoit Ferran, Jean-Christophe Lambert, Clement Dinel, Thibault Baldivia. Jean-Christophe Lambert has been the CEO since 2018.

Part of Serma Group SA, Serma Energy SASU is a French company that provides technical analysis, testing, and technical inspection services. The company is based in Pessac, France. The CEO of the company is Philippe Berlié.

Part of Financière Watt SAS, the company is based in Pessac, France. The CEOs are Mirentchu Boutet, Xavier Morin. The French company functions as an investment holding company. The company was founded in 2022.

3B Scientific GmbH engages in the holding and management of participating interests in firms. It also develops, manufactures, and distributes teaching materials, learning systems, as well as medical and therapy products. The company was founded on January 27, 1982 and is headquartered in Hamburg, Germany.