thyssenkrupp AG is an international industrial and technology company, which engages in the development and production of technology-based solutions for customer and market requirements. It operates through the following segments: Automotive Technology, Decarbon Technologies, Material Services, Steel Europe, and Marine Systems. The Automotive Technology segment supplies components and systems for the automotive industry. The Decarbon Technologies segment includes components used in solar and wind turbines, stake in the hydrogen electrolysis business, technologies for ammonia cracking, and utilization of green chemicals, as well as technologies for the green transformation of the cement industry. The Material Services segment distributes a portfolio ranging from materials and raw materials to technical services and processes in Europe and North America. The Steel Europe segment is involved in the flat carbon steel activities such as materials solutions and finished parts. The Marine System segment manufactures conventional submarines, naval vessels, and marine electronics. The company was founded on March 17, 1999 and is headquartered in Essen, Germany.