DENSO Corporation and its subsidiaries engage in the manufacture and sale of auto components, systems, and equipment worldwide. It operates in seven segments: Thermal Systems, Powertrain Control Systems, Electronic Systems, Electric Systems, Small Motors, Information and Safety Systems, and Industrial Systems and Consumer Products. Thermal Systems segment manufactures air-conditioning systems for cars, buses, and construction equipment; truck refrigeration units; air purifiers; and cooling systems and components. Powertrain Control Systems segment offers engine control components, such as ignition coils, magnetos, spark plugs, glow plugs, exhaust gas sensors, ceramic substrates, and diesel particulate filters; system control components, including valves, canisters, knock sensors, accelerator sensors, variable cam timing components, throttle bodies, air flow meters, oil filters, air cleaners, integrated air fuel modules, shift-bywire actuators, and horns; and fuel injection products, including diesel engine and gasoline engine-related components. Electronic Systems segment offers engine electronic control units (ECU), automatic transmission control ECUs, semiconductor sensors, monolithic integrated circuits (ICs), hybrid ICs, and relays. , Electric Systems segment offers starters, alternators, inverters, DC-DC converters, battery monitoring units, ECUs, and sensors for electric power steering systems. Small Motors segment produces windshield wiper and washer systems, and power window, seat, steering, and other automotive motors. Information and Safety Systems offers body electronics components, intelligent transportation systems, and driving assist and safety products. Industrial Systems and Consumer Products segment offers automatic identification data capture devices, factory automation products, and refrigeration and air-conditioning systems. DENSO was founded in 1949 and is headquartered in Kariya, Japan.