Societe des Etablissements Benjamin Wassmer
Founded 1905 by Benjamin Wassmer. Up to Second World War was repair and overhaul organization. Started aircraft production at Issoire in 1945, building Jodel D.112 under license, subsequently building over 300 Jodel aircraft. Opened own design department 1955. First production aircraft Jodel-Wassmer D.120 Paris-Nice. In 1959 built WA.40 Super Sancey, followed by Baladou and 1966 WA.52 Europa, one of the first aircraft extensively constructed from glassfibre. WA.54 Atlantic appeared 1973 and WA.80 Piranha in 1975.
Formed in 1971 with Siren SA company named CERVA to develop an all-metal four/six-seat light aircraft.
Wassmer went into liquidation in 1977, and by that time sales of the WA-50 series totalled 190 aircraft.
Wassmer Aviation by 1982 was Issoire Aviation.