Leach International Corporation, a wholly owned subsidiary of Esterline Technologies Corporation and part of Esterlines Sensors & Systems segment, designs and manufactures high-reliability power switching and control components. The company specializes in combining its components with its design and manufacturing capabilities to provide custom AC/DC power distribution assemblies. Leach equipment and components are used on thousands of aerospace, military, rail and high-end industrial applications worldwide. The company, with established strategic business units in North America and Europe, also has an office in Asia that oversees the manufacturing and marketing of a broad line of company products for the Asia and Pacific regions. Established in 1919, the company is headquartered in Buena Park, Calif.