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DYWIDAG-Systems International Ltd is part of the international DSI Group.

DSI´s scope of business is the development and application of post-tensioning, geotechnical and stay cable systems for the construction and mining industries.

DYWIDAG-Systems International Limited (DSI) in Southam, Warwickshire was originally founded in the UK in 1968 and is a leading geotechnical supplier to the civil engineering market.


DSI Publications

Download the latest version of our company brochure to learn more about us and what we do.

DSI InfoDownload DSI Info 22
Available as PDF

Download DSI Info 14 - 22


For more information, please call:
+44 1926-81 39 80 or e-mail:

Featured Project

Loch Arklet Dam, Great Britain

Loch Arklet Dam, Great Britain

Special Solutions in Difficult Ground: High Capacity DYWIDAG Strand Anchors Strengthen Loch Arklet Dam

Loch Arklet is a remote and beautiful loch north-west of Glasgow. In order to provide water to the city, an 800m wide masonry and concrete dam was built there 100 years ago. Due to increasing leakage, the dam had to be strengthened using high...


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DSI Testimonials Ramon Garcia Junior

Due to the high mechanical strength, technology and high performance of  the products supplied by Protendidos DYWIDAG, we can develop slender concrete...

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