Hans Jakob Zimmermann

RHEINZINK GmbH & Co. KG specializes in metal roofing, facade cladding and roof drainage made of titanium zinc. It offers roof systems, such as roof covering and drainage systems, and roof-integrated solar solutions; facade systems, including angled standing seams and tiles; reveal, horizontal, shiplap, and SP-line panels, corrugated and trapezoidal profiles, cassette systems, and semi-finished products, such as sheets and coils for use in roof and facade systems. The company was founded in 1966 and is headquartered in Datteln, Germany.

Scholz Holding GmbH provides scrap metal and steel recycling services. It assembles, disassembles, cleans, checks, sorts, and blasts components, as well as handles inventory management, storage space planning and development, empties, incoming and outgoing goods inspections, and national and international transport of goods for customers. The company also carries out demolitions and gutting projects; and is involved in the disposal and recycling of trains, special machines, turbines, and military equipment. Scholz Holding was founded by Paul Scholz in 1872 and is headquartered in Crawley, the United Kingdom.

Part of ANWR GROUP eG, ANWR Garant International AG provides investment services. The company is based in Mainhausen, Germany.