Geotextile manufacturer. In addition to the usual products for a company like this, they have a geotextile product deployed to combat areas. But what I really liked on their site was som cartoony schematic diagrams showing a French drain and trenches anchoring a separation geotextile on a slope before dumping riprap.
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Central Mine Equipment (CME) Company
CME designs and manufactures a complete line of drilling equipment for the geotechnical, environmental, mineral exploration, and construction industries. CME builds a complete line of hollow-stem and continuous flight augers, auger accessories and sampling systems. […]
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GSE
GSE offers the widest selection and highest quality of HDPE and LLDPE geomembranes, geosynthetic clay liners, geonets, geocomposites, nonwoven geotextiles, and concrete protection products. Visit GSE
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Nicholson Construction Company
A very well-respected specialty geotechnical contractor. They have a number of nice technical articles and case studies published on their website. Visit Nicholson Construction Company