Bernd Lauenroth

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 Salzgitter AG, Mannesmann Verwaltung GmbH is a German company that manufactures metal and stainless tubes. The private company is based in Mulheim an der Ruhr, Germany.

Norsk Hydro Deutschland Verwaltungs GmbH provides management services. The private company is based in Grevenbroich, Germany.

Hydro Aluminium Deutschland GmbH produces aluminium and operates in 20 countries world wide. The company was founded in 1905 and is headquartered in Cologne, Germany.

Georgsmarienhütte Holding GmbH operates as a renewables and environment company. It focuses on the mobility, energy, and engineering industries. The company was founded by Jürgen Grossmann on October 1, 1997 and is headquartered in Georgsmarienhuette, Germany.

Part of Norsk Hydro ASA, Speira GmbH is a German company that specializes in providing efficient and sustainable aluminum material solutions for vehicle construction, shipbuilding, and transport. The private company is based in Grevenbroich, Germany. Speira offers lightweight structures and safe transport of goods and people. The company also provides excellent semi-finished products for various applications, including heat exchangers and tea lights. The company was founded in 2010, and the CEOs are Pascal Wagner and Einar Glomnes.