Marcus Haferkamp

Part of Stiebel Industriebeteiligungs GmbH & Cokg, Stiebel Eltron International GmbH wholesales hydronic plumbing and heating equipment. The company is based in Holzminden, Germany. The CEOs are Kai Schiefelbein, Nicholas Matten. The German company was founded in 1973.

The Institut für Solarenergieforschung GmbH is a research institute located in Emmerthal, Germany. The German company promotes the use of solar energy through applied research and the training of young people in the areas of "photovoltaics" and "solar systems". The company cooperates with industry, other research institutions, and universities and are an institute of the Leibniz University of Hanover. The company ultimately controlled by the State of Lower Saxony. The CEO of the company is Rolf Brendel.

Part of Stiebel Industriebeteiligungs GmbH & Cokg, EHT Haustechnik GmbH is a German company that offers products and solutions for water heaters, room heaters, underfloor heating, air conditioning, frost protection systems, and home stations. The company is based in Nuernberg, Germany. The company also provides repair services for small devices from the AEG house technology range, including instantaneous water heaters, small storage tanks, radiant heaters, and many other products. The CEOs of the company are Kai Schiefelbein and Nicholas Matten.

ASV Stübbe Management GmbH is a private company based in Vlotho, Germany. ASV Stübbe Management GmbH provides administration and management services. The German company was founded in 2012, and the CEOs are Klaus Warnecke and Ulrich Stiebel.

STIEBEL ELTRON Geschäftsführungsgesellschaft mbH is a private company based in Holzminden, Germany. The CEOs of the German company are Kai Schiefelbein, Nicholas Matten. The company manufactures household electrical appliances.

Part of Stiebel Industriebeteiligungs GmbH & Cokg, Dr. Theodor Stiebel Werke GmbH & Co. KG is a German company that wholesales electrical equipment. The company is based in Holzminden, Germany.