Leach International Corporation designs, manufactures, and supplies electrical relays, switches, and control devices for the aerospace, rail, and industrial applications. Its products include custom AC/DC power distribution assemblies, contactors, pressure switches, aerospace and aircraft switches, and limit switches. The company also offers solid state relays, hermetically sealed relays, voltage regulators, electronic relays, keypads, panels, solid state power controllers, sockets, and push-button indicators. Its products are used in various aerospace, military, rail, and industrial applications. Leach International Corporation has operations in North America, Europe, and the Asia Pacific. The company was formerly known as Leach Corporation and changed its name to Leach International Corporation in 1994. The company was founded in 1919 and is headquartered in Buena Park, California. Leach International Corporation operates as a subsidiary of Esterline Technologies Corp.