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Customers and Partners

Programmers using our products range from individuals and small businesses to universities, large corporations, and government agencies.

Here is a partial list of customers who have purchased Sigma-Shop products for their commercial and in-house development needs.

 If you or your company uses Sigma Shop products please send mail to us and we'll be glad to post a link back to your web site.





PeekElectronics UK
Each Riedon resistor is crafted at the highest quality to ensure reliable and rugged performance
Museum Exhibit Design, Manufacture and Installation

We use your USB relays in our product. We designed a sound level measuring system in combination with labview software. When a sound level limit is exceeded, the KMtronic USB relay is energised which turns on a signaling device. Greeting from The Netherland, Walter Hennissen



Android home automation software


Terra Tech Systems

Our Solutions could ease your life !




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