thyssenkrupp AG engages in the manufacture and distribution of steel, automobile cascades, industrial components, and other materials. It operates through the following segments: Material Services, Industrial Components, Automotive Technology, Steel Europe, Marine Systems, and Multi Tracks. The Material Services segment distributes materials and provides complex technical services for the production and manufacturing sectors. The Industrial Components segment produces slewing rings, antifriction bearings and seamless rolled rings for wind energy and various industrial applications. The Automotive Technology segment supplies chassis and powertrain components. The Steel Europe segment is involved in the flat carbon steel activities such as materials solutions and finished parts. The Marine System segment deals with submarine and surface vessel construction and in maritime electronics and security technology. The Multi Tracks segment represents plant construction, powertrain and battery production lines, spring and stabilizer manufacturing, and the provision of technology for electrolysis plants. The company was founded on March 17, 1999 and is headquartered in Essen, Germany.