Hans-Peter Oßner

Part of Grillo-Werke AG, ZH Zink Halbzeug GmbH is a leading manufacturer of titanium zinc "Made in" and a premium partner for individual solutions for roofs and facades. The company is based in Datteln, Germany. The CEOs are Carsten Beier, Michael Knepper, Ulrich Grillo. The German company was founded in 2010.

quick-mix Porphyr GmbH engages in the production of construction materials. It offers products, which include thermal isolation, plaster, dry mortar, and construction chemicals.. The company was founded on November 24, 1920 and is headquartered in Freihung, Germany.

BV Bauelemente Verwaltungs- und Beteiligungsgesellschaft mbH provides administration and management services. The private company is based in Osnabrueck, Germany. The CEO of the German company is Jens Günther.

Sievert AG operates as a holding and administrative company for holdings in various branches of the construction industry. The firm provides construction materials including dry plaster, construction chemicals, and elements. Sievert operates worldwide. The company was founded in 1919 and is headquartered in Osnabruck, Germany.

Sievert Baustoffe Auslandsbeteiligungen GmbH is a German company that manufactures dry mortar and plaster mixtures. The private company is based in Osnabrück, Germany. The CEOs are Hans-Peter Oßner, Carsten Beier, Dirk Schulze. The company was founded in 2006.