Creators of several nice modular block retaining wall systems. Their website has free design software for their products.
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VJ Tech Limited : Complete Soil & Rock Testing Equipment
Since its creation in 1991, VJ Tech has supplied high quality testing equipment to the civil engineering industry and continues to grow and develop innovative solutions for commercial, research and field testing that comply with […]
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Triggs Technologies
Development, manufacture, and sale of the Wildcat dynamic cone penetrometer, which economically and continuously measures strength, CBR, and N-values of soils to 25-foot depths. Visit Triggs Technologies
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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