Gerhard Renz

Wirtschaftsvereinigung Stahl operates as a holding German company. The company is based in Dusseldorf, Germany and has subsidiaries in Germany.

ArcelorMittal Hamburg GmbH manufactures and sells sponge iron, billets and wire rod in mild steel grades. The company was founded in 1969 and is headquartered in Hamburg, HA.

Part of ArcelorMittal SA, ArcelorMittal Duisburg Beteiligungsgesellschaft mbH is a steel manufacturing company. The company is based in Duisburg, Germany. The CEOs of the German company are Lutz Bandusch, Paul Tetteroo.

Part of ArcelorMittal SA, ArcelorMittal Duisburg GmbH is a steel manufacturing company. The company is based in Duisburg, Germany. The German company was founded in 1851. The CEO is Paul Tetteroo.

Mittal Steel Europe SA manufactures and markets steel products. It produces flat and long products combining both integrated & mini-mill facilities and producing much of the iron ore and coking coal used in the furnaces. The company is headquartered in Rotterdam, the Netherlands.