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DSI Underground Systems Inc. is America’s leading manufacturer &
supplier of specialist ground support products to the underground industry.

During the last years, DSI has strategically expanded its Underground Business Sector. Today, DSI is global market leader in the design, development, production and supply of underground products and systems. Keeping in line with its strategy "Local Presence - Global Competence", DSI has over 2,100 employees worldwide with operations across EMEA (Europe, Middle East, Africa), APAC (Asia-Pacific), North America and South America.


Watch our new Product Trailer:
The EZ Overcast System

DSI Publications

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

Download the new BrochureDownload DSI Info 21
Available as PDF

Download DSI Infos 14 - 21


For more information, please call:
+1 801 973 7169 or e-mail:

Featured Project

Ohio River Bridges Project: DSI Plant in Louisville, KY, supplies Beams for Tunnels

Ohio River Bridges Project: DSI Plant in Louisville, KY, supplies Beams for Tunnels

Recently, the WDRB channel reported about the production of special beams used for the new Ohio River Bridges Project tunnel.

Mary Ellen Wiederwohl, chief of Louisville Forward, the city’s new cabinet for economic development, comments: "Here we have the world leader in these underground metal supports for tunnels right here in Louisville"…

To learn more, please click on the link below:


Related Links

STRABAG International

DSI People

No recordable injuries in DSI Canada Mining

DSI Underground Canada celebrates members of the DSI team who have contributed to DSI’s success for 25 years


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

DSI Image Trailer

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© DSI 2014