Popular engineering forum site, including a very active section for “Soil/Groundwater environmental engineering”.
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Chance/Atlas (Hubbell Power Systems)
Manufacturers of steel underpinning systems, resistance piers, soil screws, tiebacks, micropiles, streetlight foundations, boardwalk foundations. Visit Chance/Atlas (Hubbell Power Systems)
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TEI Rock Drills
TEI Rock Drills Inc. manufactures drilling attachments and limited access drill rigs for the construction, mining, fencing and geothermal industries. Visit TEI Rock Drills
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AIS Construction
Slope stabilization, rockfall mitigation, drilling, soil nails, caissons and limited access drilling. They have a number of walking excavators or spiders to get at some pretty hairy areas. Visit AIS Construction