Héroux-Devtek Inc. is an international company specializing in the design, development, manufacture, repair and overhaul of landing gear, actuation systems and components for the aerospace market. Founded in 1942, the company's head office is located in Longueuil, Quebec. Héroux-Devtek Inc. has more than 1960 employees working in 18 facilities in North America and Europe. The corporation is the third-largest landing gear company worldwide, supplying both the commercial and defence sectors of the Aerospace market with new landing gear systems and components, as well as aftermarket products and services. It also manufactures actuation systems as well as ball screws. Héroux-Devtek's accomplishments include the manufacturing of the landing gear for the lunar module that landed Neil Armstrong on the moon for the Apollo 11 mission in 1969. Héroux-Devtek recorded sales of $483.9 million for the fiscal year ended March 31, 2019. Wikipedia