Among other things, they are the makers of various drilled shaft spacing products. They also sell helical anchors, soil screws, tieback anchors, underpinning solutions and more.
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Geology.com
A great source for geology news and they also have a number of interesting and useful resources and maps. Visit Geology.com
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Sireg
Manufacturer of synthetic products for tunneling and foundations: sleeved pipes for grouting, glass fiber bars for anchors, bolts, temporary and permanent reinforcements, drainage pipes, inclo-casings, waterstop. Visit Sireg
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Instantel
Manufacturer of portable vibration monitoring equipment used for blast monitoring in the mining and quarrying industries, as well as civil and construction projects. Visit Instantel