Siemens AG is engaged in the electrical engineering and electronics business. It operates through the following segments: Energy, Healthcare, Industry, Infrastructure and Cities, Equity Investments, and Siemens Financial Services (SFS). The Energy segment offers products, services, and solutions for the generation and transmission of power; and the extraction, conversion, and transport of oil and gas. The Healthcare segment includes medical solutions such as medical imaging, in vitro diagnostics, interventional systems, and clinical information technology systems. The Industry segment involves industry automation, system integration and solutions for industrial plant businesses, and water processing systems. The Infrastructure & Cities segment provides integrated mobility solutions, building and security systems, power distribution equipment, smart grid applications, and low- and medium-voltage products. The Equity Investments segment focuses on home appliances, telecommunications, and communication networks. The SFS segment supplies capital for infrastructure, equipment, and operations. The company was founded by Werner von Siemens and Johann Georg Halske on October 12, 1847 and is headquartered in Munich, Germany.