Created in 2001 by PSA Peugeot Citroen, Renault and the Conservatoire National des Arts et Métiers, operational since 2003, GIE S2A provide all of the automotive industry with testing means in aerodynamic and aeroacoustic.

GIE S2A federate the expertise center in aerodynamic and aeroacoustic French automotive. The skills and know-how are beyond the strict scope of the automotive industry and are opened to other industrial sectors: aeronautic, wind energy, including construction.