Geophysical Survey Systems, Inc. (GSSI), is the world leader in the development and manufacture of commercial ground penetrating radar (GPR) systems and electromagnetic induction instruments (EM).
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Matterhorn
Creek stabilization, retaining walls, helix anchor foundations, erosion control systems fully engineered. Fish & Game, Army Corps, USDA, FEMA, Caltrans, State Water and State Architect approved. Headquartered in Santa Rosa, CA. Visit Matterhorn
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Richard Goettle, Inc.
Richard Goettle, Inc. is a full service geotechnical contractor assisting in the construction process from feasibility-design and budgeting to construction of the final product. We perform these services for deep foundations, earth retention and marine […]
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Geo Structures Inc.
Geo Structures Inc. is a design/build contractor specializing in engineered earth structures and foundations. They have experience with Geopier foundations, Impact Pier foundations, Rapid Impact Compaction (RIC), micropiles, soil nailing, MSE walls, underpinning and more. […]