Werner Tillmetz

Zentrum für Sonnenenergie- & Wasserstoff-Forschung Baden-Württemberg (ZSW) is a research and development center based in Stuttgart, Germany. and has subsidiaries in Germany. The German company's main goal is to conduct research and development for sustainable and climate-friendly provision of electricity, heat, and renewable energy. The private company also aims to implement research and development results into marketable products through technology transfer and provide advice to political decision-makers and professional associations.

Heliocentris Fuel Cell Solutions GmbH engages in the development and manufacture of customer-specific energy solutions. It offers stationary fuel cell applications for the telecommunications and industrial sectors. The company was founded on November 9, 2006 and is headquartered in Wendlingen am Neckar, Germany.

Mercedes-Benz Fuel Cell GmbH develops, researches, and commercializes fuel cells for the automotive industry. The company's products include System HY-80 and Fuel Cell. It was founded in 1977 and is headquartered in Kirchheim, Germany.