Stefano Serra

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.

Teseo SpA engages in the design and development of radiofrequency, fiber optics, and electronics applications. Its products include fiber optics, amplifiers, antenna and radio frequency sensors, production test benches, and ground support equipment. The firm also offers corrective and preventive maintenance and calibration services. The company was founded in 1978 is headquartered in Druento, Italy.