Gunnar Groebler

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.

Peiner Träger GmbH manufacturers and supplies beams and column sections made from steel. It offers structural shapes and wide flange beams, column, sheet piling, bearing pile, mine support sections and Y-steel sleepers. The company was founded in 1872 and is headquartered in Peine, Germany.

Part of Salzgitter AG, Salzgitter Flachstahl GmbH is a company that produces hot-rolled, cold-rolled, and coated flat steel products. The company is based in Salzgitter, Germany. The company also collaborates with Salzgitter Mannesmann Forschung to continuously develop materials and surfaces. In addition, the German company provides an online platform for its business partners to stay informed about the status of their orders. The platform includes information on the dimensions of hot-dip galvanized products and the surface type of Stronsal® coated products. The CEO of the company is Ulrich Grethe.

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.

Ilsenburger Grobblech GmbH manufactures and supplies heavy plates and high tensile steel grades. It offers products of different brand including MAXIL, BRINAR, and RESTIL. The company was founded in 2001 and is headquartered in Ilsenburg, Germany.

Vattenfall Wind Power Ltd. owns and operates wind farms. The firm develops onshore and offshore projects. It engages in the development and construction of wind farms for infrastructure, manufacturing, and process industries. The company was incorporated on April 10, 2007 and is headquartered in London, the United Kingdom.

Semco Maritime A/S engages in the contracting and engineering services within the offshore and onshore energy sector. It offers solutions within diesel and wind power plants; electrical transmission systems; and substations. The company was founded in 1998 and is headquartered in Esbjerg, Denmark.

Vattenfall Europe Windkraft GmbH is a German energy company that offers gas and electricity tariffs with an attractive instant bonus, up to 24 months price guarantee, and flexible online tariffs. The company is based in Hamburg, Germany. The company provides reliable energy services and offer eco-friendly electricity options with energy-saving tips. The company is a subsidiary of Vattenfall AB and ultimately controlled by the Government of Sweden. The company was founded in 2009, and Gunnar Groebler has been the CEO of the company since 2014.