Virginia based specialty geotechnical contractor focusing on ground anchors and anchored structures including tieback walls, soil nailing, micropiles, foundation underpinning, and structure tiedowns.
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Subsurface Constructors, Inc.
Full-service geotechnical contractors and ground improvement specialists. Based in St. Louis, MO. Visit Subsurface Constructors, Inc.
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Jacobs Associates SF
Jacobs Associates provides civil engineering consulting services with specialties in design and construction management for underground projects, as well as construction analysis and claims/disputes resolution. Visit Jacobs Associates SF
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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