Johannes Nonn

Part of Salzgitter AG, Mannesmannröhren-Werke AG is a company based in Muelheim an der Ruhr, Germany. The German company specializes in manufacturing seamless, hot-rolled steel tubes and adjusted tubes with many years of expertise.

Hydro Aluminium Deutschland GmbH produces aluminium and operates in 20 countries world wide. The company was founded in 1905 and is headquartered in Cologne, Germany.

ELG Haniel Metals Ltd. engages in recycling and global trading of raw materials for the stainless steel industry. It offers stainless steel scrap, special alloys, carbon fibre, prime material, and stainless steel sheets and coils. The company was founded on September 18, 1980 and is headquartered in Sheffield, the United Kingdom.

Franz Haniel & Cie. GmbH is a Haniel family equity firm. The company was founded in 1756 by Jan Willem Noot and is headquartered in Duisburg, Germany.

Georgsmarienhütte Holding GmbH operates as a renewables and environment company. It focuses on the mobility, energy, and engineering industries. The company was founded by Jürgen Grossmann on October 1, 1997 and is headquartered in Georgsmarienhuette, Germany.

Salzgitter Klöckner-Werke GmbH engages in the acquisition, holding, and management of participating interests in companies, which develop and manufacture machines and equipment. It also specializes in the production of rolled steel and tubes products. The company was founded by Peter Klöckner on January 17, 1952 and is headquartered in Salzgitter, Germany.

Krupp Kunststofftechnik GmbH specializes in special industry machinery not elsewhere classified. The company is based in Essen, Germany and has subsidiaries in Germany.

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.

BÜFA GmbH & Co. KG engages in the provision of chemical importation and distribution of colored woods, chemicals and oils. Its business focuses in the chemicals, cleaning and composites business areas. The company was founded by Ludwig Friedrich Carl Büsing and Friedrich Ludwig Fasch in 1883 and is headquartered in Oldenburg, Germany.

ELG Haniel GmbH recycles and trades stainless steel scrap. The firm’s products include stainless steel scrap, special alloys, carbon fiber, primary material, stainless steel sheets & coils, purchase, sale and processing. The company was founded in 1962 and is headquartered in Duisburg, 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.

Saarstahl AG specializes in the production of wire rod, steel bars and semi-finished products of various grades as well as constructional steel and broad flanged beams. Its products are used in the automotive, construction, power, engineering and aerospace, general mechanical engineering and other steel processing industries. The company was founded in 1881 and is headquartered in Volklingen, Germany.

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.

KHS GmbH manufactures filling and packaging equipment for the beverage, food, and non-food sectors. Its products include blocked machines, processing systems, ECO pet line, aseptic filling, keg systems, labeling, thermal container treatment, pouching and palletizers. The company was founded in 1993 and is headquartered in Dortmund, 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.

KHS USA, Inc. engages in the manufacture and supply of filling and packaging systems and equipment for the beverage, food, and non-food industries. The company was founded on March 9, 1971 and is headquartered in Waukesha, WI.

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.

Bantleon Invest AG is the German asset management subsidiary of Bantleon AG in Switzerland. The firm was founded in 1999 and formerly known as NORD/LB Asset Management and AG Warburg Invest AG. Headquartered in Hannover, Bantleon Invest provides asset management and fund administration services to German institutional investors and distribution partners.

ALUMINIUM NORF GmbH is a German company that produces hot- and cold-rolled aluminum strip. The company is based in Neuss, Germany and was founded in 2003.

IG Metall is the largest individual trade union in the world, based in Frankfurt am Main, Germany, with subsidiaries in Germany. The German company provides information, materials, and useful guides to its members to help them achieve fairness and good working conditions in their workplaces and society. The private company's focus is on employment security, occupational safety, and value chains. The CEO of the company is Hans-Jürgen Urban.

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, Hansaport Hafenbetriebsgesellschaft mbH operates harbor. The company is based in Hamburg, Germany. The CEO of the German company is Ben Thurnwald.

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.

Part of RAG-Stiftung, RAG AG specializes in coal mining. The company is based in Essen, Germany. The CEO of the German company is Peter Schrimpf.

Part of Salzgitter AG, KHS Machinery Pvt Ltd. is an Indian company that manufactures packaging machinery. The company is based in Ahmedabad, India. KHS Machinery was founded in 1997.

ELG Carbon Fibre Ltd. provides recycling services for carbon fiber-reinforced plastic products. It offers milled fibre, chopped tow, oversized chopped tow, thermoplastic nonwoven mats, carbon fibre nonwoven mats and chopped carbon fibre products. The firm's offers its products to automotive, rail and aero markets. The company was founded in 2003 and is headquartered in Coseley, the United Kingdom.

Part of Norsk Hydro ASA, Speira GmbH is a German company that specializes in providing efficient and sustainable aluminum material solutions for vehicle construction, shipbuilding, and transport. The company is based in Grevenbroich, Germany. Speira offers lightweight structures and safe transport of goods and people. The company also provides excellent semi-finished products for various applications, including heat exchangers and tea lights. The company was founded in 2010, and the CEOs are Pascal Wagner and Einar Glomnes.

Krupp Hoesch Verarbeitung GmbH is a German company that wholesales non-ferrous metals and steel products. The private company is based in Dortmund, Germany.

Part of Salzgitter AG, KHS México SA de CV is a company based in Toluca, Mexico that wholesales industrial machinery and equipment.

Operando Partners GmbH engages in the management of special alternative investment funds. It also invests in companies. The company was founded on June 19, 2017 and is headquartered in Cologne, Germany.

Part of Salzgitter AG, Salzgitter Mannesmann Stahlhandel GmbH is a German company that manufactures and supplies steel tubes and pipes. The company is based in Dusseldorf, Germany. The CEO of the company is Volker Schult.

VDM Metals GmbH engages in the development, production, and distribution of nickel, cobalt and zirconium alloys. The firm’s services include contract manufacturing, research and development, development of powder materials, welding competence center and technical customer service. It also offers products like nickel and nickel alloys, cobalt alloys, zirconium, special stainless steels, powder materials, welding consumables, semi-finished products made of aluminum and copper, delivery forms and dimensions. The company was founded in 1930 and is headquartered in Werdohl, Germany.