Markus Grolms

Part of thyssenkrupp AG, thyssenkrupp Presta Mülheim GmbH is a private company based in Mulheim an der Ruhr, Germany. The German company is a subsidiary of thyssenkrupp AG and is involved in engineering and innovation.

Part of thyssenkrupp AG, thyssenkrupp Elevator Europe Africa GmbH is a German company that provides construction installation services. The private company is based in Essen, 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.