Nils Krog

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

Hüttenwerke Krupp Mannesmann GmbH is a steel manufacturing private company based in Duisburg-Huckingen, Germany. The CEOs of the German company are Herbert Eichelkraut, Gerhard Erdmann, Carsten Laakmann. The company specializes in the production of steel and precursors for the processing industry.

Part of Stiftung Evangelisches Krankenhaus zu Oberhausen (RHLD), Evangelisches Krankenhaus Oberhausen GmbH is a hospital that aims to provide excellent medical care and comfort to its patients. The company is based in Oberhausen, Germany. The CEOs of the German company are Martin Große-Kracht, Peter Quaschner.

Artur Naumann Stahl AG is a German steel trading company that specializes in the supply of sheet metal in over 30 different qualities. The private company is based in Neuss, Germany, and has sales offices in Stuttgart, Baot, and Krakau. The company offers processing, packaging, material testing, surface treatment, and logistics solutions. It has been in operation for 60 years and prides itself on being one of the few remaining group-free trading houses. It was founded in 1960 by Artur Naumann and is privately owned. The CEO is Jost Salzmann.