1961 Foundation of the company of H. Thurnheer & Co. AG 1988 Sold to S. Peyer AG⇒ Peyer-Thurnheer AG 1990 Sold to Sarna Kunststoff Holding AG⇒ Sarnatech Composites AG 1996 Management buy-out⇒ Compotech AG 2003 Transfer of business to the new industrial premises (6,000 m2)
