Ulrich Middelmann

ThyssenKrupp Technologies AG manufactures steel, automobiles and elevator systems. It operates through five business units. The plant technology unit builds chemical and cement factories and makes production equipment for those industries and for mining operations. Marine systems builds various sorts of ships including non-nuclear submarines and frigates for military use and yachts for private customers. The company is headquartered in Essen, Germany.

AST Deutschland GmbH manufactures and markets specialty steel products. It also manufactures and markets flat-rolled stainless steel and nickel-base alloys for ThyssenKrupp. Its products include stainless steel flat products, nickel-base alloys and titanium. The firm has operations, production plants and subsidiaries in Asia, Europe and North America. The company was founded in 1997 and is headquartered in Essen, Germany.

E.ON Ruhrgas AG distributes gas. It offers gas transmission and storage solutions. Through a long pipeline system, the company supplies natural gas to gas merchant companies, distributors and industrial users in Germany and seven other nations. It also has interests in gas companies in other countries. Its customers comprises of regional companies, local distribution companies, industry and power stations. The company was founded in 1926 and is headquartered in Essen, Germany.

LANXESS Deutschland GmbH produces and sells chemicals. It operates as a subsidiary company. The company is headquartered in Cologne, Germany.

ThyssenKrupp Nirosta GmbH manufactures and markets steel products. It manufactures stainless flat products with a portfolio of grades, sizes and finishes. Its products are sold under the Nirosta and Thermax brands. The company's products are used in buildings, household appliances and food processing machinery and by the automotive, transportation, chemicals and energy industries. Formed in 1995, the company is headquartered in Krefeld, Germany.

thyssenkrupp Steel Europe AG manufactures carbon steel, stainless steel, and special steel materials. Its products include hot and precision strips, heavy plates, sheet and coated products, organic coated strips and sheets, composite materials, electrical steel products, tinplates and black plates, and medium-wide strips. The company was founded in 1997 and is headquartered in Duisburg, Germany.

ThyssenKrupp Acciai Speciali Terni SpA manufactures flat stainless steel products. ThyssenKrupp Acciai Speciali Terni SpA is based in Terni, Italy.

Part of thyssenkrupp AG, Thyssenkrupp (China) Ltd. is an investment holding Chinese company. The company is based in Beijing, China.

Hoberg & Driesch GmbH manufactures steel products. It offers Steel tubes and pipes. The company was founded in 1948 and is headquartered in Dusseldorf, Germany.