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DYWIDAG-Systems International (DSI) – your worldwide partner for innovative systems and solutions for the Construction and Mining industries.


DSI Business operates 2 major segments, Construction and Underground.



DYWIDAG-Systems International (DSI) is a global technology group headquartered in Munich, Germany. The Company is global market leader in the development, production and supply of DYWIDAG Post-Tensioning Systems and Geotechnical Systems.

DSI’s Underground division consists of the following areas:


  • North America
  • South America
  • EMEA
  • APAC

DSI combined its traditional DYWIDAG formtie business with several acquired companies, creating the specialized business unit “Concrete Accessories”. The extensive product range of this unit now includes form ties, spacers, dowels, joints and other accessories that are primarily produced from plastic. In addition, the Concrete Accessories division successfully supplies world markets with admixtures, special mortars and waterproofing agents as well as with lifting and fixing tools for the precast industry.

This division focuses on the development, production and supply of high quality products and systems for the Mining and Tunneling industries. Today, we are proud to be one of the internationally leading suppliers with a wide range of products and flexible systems in both target markets.

Our know-how and experience in the development and installation of our systems guarantee a high degree of flexibility and offer absolute safety both above and below ground. We stand for total quality at all levels of activity - quality which manifests itself in factors such as creativity, reliability and profitability.

Because the Construction and Mining markets are regional markets, our worldwide presence is based on a decentralized corporate structure. This local presence, combined with know-how that is available around the world, is the strength of the DSI network – always in accordance with our slogan:

“Local Presence - Global Competence”.

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