Christian Cassayre

Eiffage Énergie Systèmes - Clemessy SAS designs, builds and maintains installations like electrical, lighting and communications systems. The firm provides services to the automotive, energy, paper, mechanical and environment industries. The company was founded in 1908 and is headquartered in Vélizy-Villacoublay, France.

Eiffage Benelux SA NV operates as a holding company with interest in providing building and civil engineering services. Its services include restoration of heritage monuments, real estate development, industrial cleaning, renovation, building foundations, hydraulic works, recycling construction materials and asbestos removal. The company was founded in 1993 and is headquartered in Brussels, Belgium.

Part of Eiffage SA, Schwarz & Grantz Schleswig-Holstein GmbH is a German company that provides gas, water, heating, ventilation, and air conditioning installation services. The company is based in Kiel, Germany. The CEOs of the company are Sven Seefeldt, Christian Cassayre, Daniel Strücker.

Viaduc de Millau SA provides construction services. It constructs bridges and highways. The firm also operates tollways. The company was founded in 1980 and is headquartered in Montpellier, France.

Part of Eiffage SA, PIT Antwerpen NV is a general contractor based in Kapellen, Belgium. PIT Antwerpen has 85 employees who realize an annual turnover of 37.5 million euros. The Belgian company provides full professional innovation techniques and offers services such as renovation and expansion of buildings. PIT Antwerpen is currently working on the renovation and expansion of St. Pieterscollege in Jette and the restoration of the aircraft sheds in Grimbergen. The company also won the provincial heritage prize in 2021 for the restoration of Strokapel in Ramsel. Founded in 1988, the company belongs to Eiffage Benelux, which is a part of the French group Eiffage, a European market leader in the field of construction and consistions.

VINCI Construction Grands Projects SAS provides construction services. The firm designs and builds major civil engineering structures and buildings. The company also offers financial and technical engineering, project management, construction processes and methods. The company was founded in 1880 and is headquartered in Nanterre Cedex, France.

APRR SA finances, builds, maintains and manages motorways and toll structures. The company was founded in 1961 and is headquartered in Saint-Apollinaire, France.

Campenon Bernard TP is a company based in Reuil Malmaison, France.