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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:

DYWIDAG Systems International (DSI) has signed agreements to acquire Jennmar businesses outside the US and sell its US Mining business to Jennmar

Luxembourg, February 2nd 2016 - Jennmar and DSI have signed an agreement under which DSI will acquire Jennmar businesses in Australia, Europe, Latin America and China (50% share). Jennmar China, along with well-established jointly owned businesses in South Africa and Australia, will operate under the ROCBOLT Technologies brand.


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DSI People

DSI People

DSI UK organizes Heavy Stressing and Product Training Day for their Customer BAM Ritchies


DSI Testimonials Bruno Mota

We have had a partnership with Protendidos DYWIDAG for 30 years. We specialize in slope contention, and we know that the quality of the product is...

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