Partially affiliated with the Geoengineer.org website, this Yahoo! Group has over 900 members that submit geotechnical questions for the entire membership to respond on.
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Hayward Baker
One of the most well-known specialty geotechnical contractors in the U.S. thanks to some really innovative marketing imagery. If you have ever seen their cool 3d images in Geo-Strata or Civil Engineer Magazine or others […]
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Penetradar Ground Penetrating Radar Systems
RIS Ground Penetrating Radar (GPR) Systems can accurately and nondestructively “see” through solid pavement materials, such as asphalt, concrete and soil to detect subsurface objects and determine the condition and thickness of the material examined. […]
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Geo-Con
Geo-Con is a contractor specializing in vertical barriers, jet grouting, slurry walls, and soil stabilization. Based in Monroeville, PA. Visit Geo-Con