EAO AG manufactures industrial switches, custom HMI panels and interface systems, and specialized automotive control panels and switches. Its industrial HMI products/components include pushbuttons, illuminated pushbuttons, emergency stop switches, keylock switches, buzzers, joysticks, and lever switches. The company serves transportation, automotive, heavy duty and special vehicles, and machinery markets; and partners with developers, manufacturers, and operators of vehicles, industrial plants, and machines. It sells its products through its wholly owned international sales companies, as well as distributors in Switzerland and internationally. EAO AG was formerly known as Elektro-Apparatebau Olten AG. The company was founded in 1947 and is based in Olten, Switzerland with production sites in Switzerland, Germany, North America, and China.