Hamilton Sundstrand Corporation designs, manufactures, and supports aerospace and industrial products for various markets. It provides aerospace products, including electric power generating, distribution, management, and control systems; fuel and special fluid pumps; engine control systems; gearboxes; primary and secondary flight controls and actuation systems; ram air turbine emergency systems; auxiliary power units; environmental control systems; propeller systems; torpedo propulsion systems; launch vehicle hydraulic power units; and electronic controls and components. The company also offers industrial products, such as metering and specialty pumps; rotary screw air and gas compressors; pneumatic tools; dryers and filters; high-speed centrifugal pumps, compressors, and blowers; and sealless and sanitary pumps. In addition, it provides space systems, land systems, sea systems, homeland security systems, and ground support equipment. Further, the company offers aftermarket services, such as spare parts, overhaul and repair, and engineering and technical support services. It serves chemical and hydrocarbon processing, water and waste treatment, construction, and oil and gas industries; and commercial, military, regional, and general aviation markets, as well as space, sea, and homeland security markets. Hamilton Sundstrand Corporation was formerly known as Hamilton Standard Division. The company was founded in 1918 and is based in Windsor Locks, Connecticut with an engineering centre in Bengaluru. Hamilton Sundstrand Corporation operates as a subsidiary of United Technologies Corp