ISO, an international institution for quality standards legally valid for more than 90 countries. This ISO institution does provide organizational basic standards how to build up and process companies. These ISO standards describe the duties and responsibilities of the general management and the company processes are judged by independent audit companies on the base of regular audits. ASSMANN WSW components did receive the certificate of quality according to DIN EN ISO 9001: 2008 and reached the environmental audit by DIN EN ISO 14001:2009.