Quality (ISO 9001)
ca. 400 currently valid certificates

Quality (others)
ca. 5 currently valid certificates, issued through our partners

Energy (ISO 50001, SpaEfV)
ca. 70 currently valid certificates

Environment (ISO 14001)
ca. 35 currently valide certificates

Disposal (EfbV)
ca. 20 currently valid certificates

Education (AZAV)
ca. 200 currently valid certificates for educational organisations

Education (ISO 29990)
ca. 10 currently valid certificates

More detailed information is available on request.