EAO was founded in Olten, Switzerland, in 1947 for the manufacture of transformers. But almost immediately, EAO began specializing in the design, development, and manufacture of quality pushbuttons and indicators. Years of experience and a continuing policy of company-wide innovation have led to worldwide leadership in switching products.

The types of products manufactured by EAO Switch include Indicators, Illuminated buttons, Pushbuttons, Mushroom-head Pushbuttons, Keylock switches, Buzzers, Emergency-stop switches, Selector switches, Flush-mount switches & indicators, Printed pushbuttons, PCB miniature tact switches, Keypads, and Toggle switches.

With over 600 dedicated employees, EAO has a global production and distribution network. EAO has production sites in Switzerland, Germany, North America and China, as well as 10 wholly-owned international subsidiaries and distributors in over 50 countries, so we can guarantee global availability – around the world, around the clock.