Christoph H. Hentzen

Deutsche Amphibolin-Werke von Robert Murjahn Stiftung & Co. KG fuctions as the central governing body of the entire Caparol Group of Companies. It manufactures and markets paint and other related products. The company was founded in 1895 and is headquartered in Ober-Ramstadt, Germany.

Poppe + Potthoff GmbH develops and produces tubes, turned parts and components. Its products include common rail, precision steel tubes, couplings, machines and stainless steel railings. The company was founded in 1928 and is headquartered in Werther, Germany.

INTHERMO GmbH engages in the sale and distribution of insulation systems based on wood fiber. It offers timber frame, solid wood, and masonry construction, as well as masonry with bracket and internal insulation systems. The company was founded in 2001 and is headquartered in Ober-Ramstadt, Germany.