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.
Links
TerraSystems Incorporated
TerraSystems is a geotechnical contracting firm specializing in dynamic compaction, rammed aggregate columns, wick drains, and various vibro systems for improving poor soil conditions. They are based in Lovettsville, Virginia. Visit TerraSystems Incorporated
Links
Kelken Construction Systems
Leader in the design and manufacture of structural adhesive anchoring systems in service nationwide. Visit Kelken Construction Systems
Links
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