Sibylle Wankel

Zeppelin GmbH distributes construction and agricultural machinery. Its products include construction machines and equipment, drive systems, energy systems and plant engineering and components. The company was founded in July 1950 and is headquartered in Friedrichshafen, Germany.

Vaillant GmbH engages in the manufacture and distribution of heating ventilation and air-conditioning products. The firm offers solar-thermal and photovoltaic systems, heat pumps, and pellet boilers. It also provides gas-fired condensing boilers, ventilation systems for low-energy buildings, combined heat and power stations, high-efficiency heating systems using fossil fuels, intelligent controls, air conditioners, and radiators. The company was founded by Johann Vaillant in 1874 and is headquartered in Remscheid, Germany.

AUDI AG engages in the development, production and sale of cars. It operates through the Automotive, and Motorcycles segments. The Automotive segment encompasses the development, production, assembly and distribution of vehicles of the Audi and Lamborghini brands, and the distribution of vehicles of other Volkswagen Group brands as well as the accompanying accessories and spare parts business. The Motorcycles segment covers the development, production, assembly, and distribution of Ducati brand motorcycles, including the accessories and spare parts business. The company was founded by August Horch on July 16, 1909 and is headquartered in Ingolstadt, Germany.

IG Metall is the largest individual trade union in the world, based in Frankfurt am Main, Germany, with subsidiaries in Germany. The German company provides information, materials, and useful guides to its members to help them achieve fairness and good working conditions in their workplaces and society. The private company's focus is on employment security, occupational safety, and value chains. The CEO of the company is Hans-Jürgen Urban.

Part of Mercedes-Benz Group AG, Mercedes-Benz AG is a German company based in Stuttgart, Germany. Mercedes-Benz AG is known for its innovative concepts, exceptional collaborations, and background stories that inspire. The CEO of the private company is Ola Källenius.