Human Machine Interfaces. Since 1947.

EAO AG, a Swiss, family-owned company founded in 1947, has developed into one of the world’s leading manufacturers of high-quality industrial switches, complete custom HMI panels and interface systems, and specialized automotive switch systems.

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

Your solution-focused expert and partner

We do much more than just manufacture individual control elements. As a solution-focused partner, we provide the option of technically and mechanically customizing existing HMI Components in line with our customers’ individual requirements. From simple control elements through to sophisticated HMI Systems, from serial production through to installation – we offer the entire range of HMI services and inspire the confidence of our customers.

Latest News

Jul 20. 2018

EAO’s Smart Box Adds ‘Plug-and-Play’ Control for Industrial Environments

Innovative snap-on, design provides easy integration without the need for special tools

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Jul 13. 2018

EAO Series 61 E-Stop Compact Adds IP66 for Increased Protection

Additional certification compliance compliments existing IP67 and IP69K ratings

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Jun 18. 2018

Series 45 buzzers – Loud, compact and all-purpose.

The Series 45 buzzers impress both with their outstanding acoustic features and compact design.

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Jun 15. 2018

EAO Offers “Single Part Numbers” for Complete Switches of its IP69K Rated Series 45

This feature simplifies the customer experience and facilitates ease of ordering

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All news

EAO AG

EAO Schweiz AG (Sales)
Tannwaldstrasse 86
CH-4600 Olten
Switzerland

Phone +41 62 286 95 00
Fax +41 62 286 95 55
sales.ech@eao.com

Allgemeine Lieferbedingungen (PDF)

Directions to EAO Schweiz AG


EAO AG (Production)

Tannwaldstrasse 88
CH-4600 Olten
Switzerland

Phone +41 62 286 91 11
info@eao.com

Directions to EAO AG