Hitachi Ltd. engages in the manufacture and sale of electrical equipment. It operates through the following segments: IT, Energy, Industry, Mobility, Life, Hitachi High Technologies, Hitachi Construction Machinery, Hitachi Metals, Hitachi Chemical and Others. The IT segment handles system integration, consulting, control system, cloud service, software, IT products such as storage and servers, and automated teller machines. The Energy segment pertains to power generation system (nuclear power, renewable energy, thermal power) and power grid system. The Industry segment covers industrial and distribution system, water and environment system, and industrial equipment. The Mobility segment includes building system like elevator and escalator, and railway system. The Life segment manages medical equipment; life and ecosystem such as refrigerator, washing machine, room air conditioner and commercial air conditioner; automotive system including powertrain system, chassis system and advanced driving support system. The Hitachi High Technologies segment covers medical / life science products, analytical equipment, semiconductor manufacturing equipment, manufacturing / inspection equipment, and advanced industrial materials. The Hitachi Construction Machinery segment handles hydraulic excavator, wheel loader, mining machine, maintenance / service, civil engineering solution, and mine operation management system. The Hitachi Metals segment manages special steel products, base material products, magnetic materials / power electronics, and wire materials. The Hitachi Chemical segment covers functional materials (electronic materials, wiring board materials, electronic components), advanced components and systems (mobility materials, power storage devices, life science related products). The Others segment comprises of optical disc drives and real estate management, buy and sell. The company was founded by Namihei Odaira in 1910 and is headquartered in Tokyo, Japan.