Kai Schiefelbein

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.

Avis Budget EMEA Ltd. provides vehicle rental services. Its customers include individual travelers booking directly or indirectly through travel companies, tour operators, partnership arrangements, and brokers; corporate customers booking via negotiated arrangements with their employers and through vehicle replacement companies; and insurance and leasing companies, vehicle dealerships, and repair shops. The company was founded by Warren E. Avis in 1946 and is headquartered in London, the United Kingdom.

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.

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.

Part of Stiebel Industriebeteiligungs GmbH & Cokg, Tecalor GmbH develops innovative heating technology and utilizes renewable energy sources such as heat pumps, ventilation systems, and photovoltaics. The company is based in Holzminden, Germany. The German company offers central and decentralized ventilation systems with or without heat recovery as well as integral devices. The CEOs of the company are Nicholas Matten, Karl Stuhlenmiller.