Wolfgang Eging

Vallourec & Mannesmann Tubes SA manufactures seamless hot-rolled steel tubes. The firm's products include feedwater heater tubes, circular hollow sections, and piping components. The company provides services to the automotive, construction & civil engineering, mechanical engineering, and oil & gas industries. It was founded in October 1997 and is headquartered in Boulogne, France.

Borusan Mannesmann Boru Yatirim Holding AS manufactures, markets and distributes steel pipes. It specializes in pipes for the transmission of water, natural gas, and oil, as well as precision tubing, boiler tubes, PE and bitumen-coated steel and polypropylene sanitary pipes, and heavy-duty construction profiles. The company was founded in 1998 and is headquartered in Istanbul, Turkey.

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.

EUROPIPE GmbH manufactures steel pipes. It offers pipe, pipeline parts, secured logistics, financial support, research and development services. The company was founded in 1991 and is headquartered in Muelheim an der Ruhr, Germany.

Part of Salzgitter AG, Mannesmann Precision Tubes GmbH is a German company that manufactures steel tubes. The company is based in Muelheim an der Ruhr, Germany. The company was founded in 1885 by Reinhard Mannesmann, Max Mannesmann. The CEO is Clemens Stewing.

Part of Salzgitter AG, Salzgitter Mannesmann Handel GmbH is a German company that manufactures and distributes steel plates, strips, and sheets. The company is based in Dusseldorf, Germany. The CEO of the company is Volker Schult.