EAO AG Celebrates 75 Years in Human-Machine Interface Manufacturing
Swiss-based EAO AG, a family-owned company founded in 1947, marks its 75th anniversary as a global market leader in human-machine interface (HMI) products.

EAO AG, a family-owned company headquartered in Olten, Switzerland, is celebrating 75 years of operation in the field of human-machine interface (HMI) products. The company was founded on August 10, 1947.
Since its inception, EAO has grown from its initial operations, which included manufacturing high-voltage rectifiers, converters, and transformers, to becoming a worldwide leader. The company developed its first illuminated pushbutton switch early in its history, establishing a core product offering.
Today, EAO AG employs approximately 600 people across four production sites. The company supports a global network that includes ten sales organizations and more than 50 specialist distributors.
The company's longevity is attributed to blending Swiss values of precision and technological expertise with continuous innovation in HMI solutions for various industries.