American Zettler, Inc., established in 1964 and based in Southern California, is a manufacturer, supplier, and distributor of electromechanical relays and other electronic components. The company, a division of Zettler Group North America, offers various types of electromechanical relays for diverse commercial and industrial applications. The relays are produced in research facilities, including R&D, design and engineering, and testing laboratories. The company’s products are used in industries such as HVAC, automotive, home appliances, security systems, and industrial controls.