Johann Prettenhofer

voestalpine Boehler Edelstahl GmbH & Co. KG manufactures steels, tool steels and special materials. It produces machine tools, as moulds in the production of plastic goods, cold work tool steels for punching, bending and cutting applications, hot work tool steel in die casting and special materials in applications in aircraft, turbines in power generation, in medicine and in oil drilling at sea. The company was founded in 1991 and is headquartered in Kapfenberg, Austria.

voestalpine Polynorm Grau GmbH & Co. KG manufactures and distributes steel, aluminum, and plastic components. The firm specializes in the production of class A skin panels and large body parts for the automotive industry. The company is headquartered in Schwäbisch Gmünd, Germany.