DYWIDAG-Systems International (DSI) is America’s leading manufacturer & supplier of specialist ground support products to the underground coal & metalliferous mining sectors. They also are one of the suppliers of hollow core or self-drilling soil nails.
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Womack & Associates
Specializing in engineering geology and geotechnical engineering in Idaho, Montana and Wyoming. Visit Womack & Associates
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Con-Tech Systems Ltd.
Suppliers of anchored Geo-Support Systems such as strand- or bar-anchors, micropiles (also called minipiles, GEWI piles, pin piles or pali radi) and soil nails including the CTS / TITAN IBO hollow bar system. Visit Con-Tech […]
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North American Steel Sheet Piling Association
The North American Steel Sheet Piling Association (NASSPA) is dedicated to providing information and guidelines for efficient design and construction utilizing hot rolled steel sheet piling. It was founded and sponsored by the major sheet […]