Volker Höhnisch

RWTÜV GmbH is a technology service provider based in Essen, Germany, with subsidiaries in Germany. The German company's focus is on diversity, integrity, communication, customer orientation, sustainability, and entrepreneurship. The private company provides services in energy and environmental, telecommunications, insurance, and advanced consulting. The company has made strategic investments and is a secure partner for investments. The company also prioritizes company succession. The CEO of the company is Reinhold Rüther.

Part of TÜV NORD Mobilität Immobilien GmbH, TÜV Thüringen Fahrzeug GmbH & Co. KG is a company based in Erfurt, Germany. The CEOs are Martin Meyer, Volker Hohnisch, Gerald Vogel. TÜV Thüringen Fahrzeug GmbH & Co. KG provides technical, physical and chemical analysis services. The German company was founded in 1990.