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.

Part of Salzgitter AG, Mannesmann Line Pipe GmbH is a German company that manufactures and supplies welded steel pipes. The company is based in Siegen, Germany. The CEO of the company is Jörn Winkels.

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 Salzgitter AG, Salzgitter Mannesmann Precision Etirage SAS is a French company that manufactures and distributes heat exchangers and air coolers. The company is based in Saint-Florentin, France.

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.

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, 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.

Part of Salzgitter AG, Salzgitter Mannesmann Grobblech GmbH is a German company that manufactures heavy plates for diameter pipes. The company is based in Muelheim an der Ruhr, Germany. The company was founded in 1882. The CEO is Sebastian Bross.