Roswitha Armbruster

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.

Rheinmetall Automotive AG manufactures, develops and supplies automotive parts and components. Its products include pistons, plain bearings, commercial diesel applications, actuators, emission control, solenoid valves and pumps. The firm’s brands include Kolbenschmidt, Pierburg and Motorservice. The company was founded by Karl Schmidt and Bernhard Pierburg in 1909 and is headquartered in Neckarsulm, Germany.

Rheinmetall Waffe Munition GmbH develops and manufactures large caliber weapon systems and ammunition. Its services encompass direct and indirect fire, protection systems, infantry, and plant engineering. The company was founded by and is headquartered in Unterluess, Germany.