Member: Chamber of Commerce and Industry for Essen, Mülheim a.d. Ruhr, Oberhausen zu Essen (IHK Essen) More about member
Member: Chamber of Commerce and Industry Lueneburg-Wolfsburg (IHK Lüneburg-Wolfsburg) More about member
Member: Chamber of Commerce and Industry for Munich and Upper Bavaria (IHK München und Oberbayern) More about member