Bernard Cyna

Groupe Dubreuil SA is a holding company with interests in the automobile, air transportations, petroleum, construction equipment, renewable energy, food, agriculture, and hotel industries. The company was founded by Henri Dubreuil in January 14, 1981 and is headquartered in Bellevigny, France.

Association Française de Normalisation operates as a business association that provides certification and standardization services. The company was founded in 1926 and is headquartered in La Plaine Saint-Denis, France.

Foire Internationale de Marseille SA organizes events and trade fairs. The company is headquartered in Marseille, France.

Fédération Nationale des Travaux Publics operates as a business organization, with interest in the representation, development, and welfare of public works enterprises. It conducts and publishes industry research reports for its members. The firm also holds forums and dialogues with the private and public sectors. The company is headquartered in Paris, France.

Sade CGTH constructs water and gas pipelines. Its area of intervention are water, civil engineering/roads, telecoms, energy, and services. The company is headquartered in Paris, France.

Sainte-Lizaigne SAS distributes drinking water. It also offers plumbing materials such as clamps, controls, meter terminals, spare parts, fittings, stop valves, and meter support. The company was founded in 1840 and is headquartered in Sainte-Lizaigne, France.

Mercier SASU provides interior network solutions for buildings. Its services include plumbing, heating, ventilation, and roofing. The company was founded on April 22, 1999 and is headquartered in Villetaneuse, France.