HÃ©roux-Devtek Inc. engages in the design, development, manufacture, and repair and overhaul of aircraft landing gears, hydraulic and electromechanical flight control actuators, custom ball screws, and fracture-critical components. The company is also involved in the designing, developing, manufacturing, assembling, and testing fluid filtration applications; and provides various products for aero engine fuel and oil systems, aircraft hydraulic systems, pressure differential indicators, and by-pass and other valves. In addition, it offers electronic enclosures, heat exchangers, and cabinets for suppliers of airborne radar, electro-optic systems, and aircraft controls. The company serves commercial and mi defense sectors of the aerospace industries. It operates in Canada, the United States, the United Kingdom, Rest of Europe, Spain, and internationally. The company was formerly known as Heroux Inc. and changed its name to HÃ©roux-Devtek Inc. in 2000. HÃ©roux-Devtek Inc. was founded in 1942 and is headquartered in Longueuil, Canada.