Hannelore Elze

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 Norsk Hydro ASA, Norsk Hydro Deutschland GmbH operates as a fertilisers, metals and German energy company. The company is based in Grevenbroich, 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 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.

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.

Part of Vallourec SA, Vallourec Deutschland GmbH is a German company that manufactures seamless steel tubes and pipes for the oil and gas industries. The company is based in Duesseldorf, Germany. The CEOs are Andreas Schubert, Herbert Schaaff, and Michael Kassing. The private company was founded in 2001 by Max Mannesmann and Reinhard Mannesmann.