A very well-respected specialty geotechnical contractor. They have a number of nice technical articles and case studies published on their website.
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GEER: Geo-Engineering Extreme Events Reconnaissance
Extreme events engineering is an experience-driven field. Immediately following the occurrence of an extreme event (e.g., earthquake, tsunami, hurricane, landslide, or flood), perishable data that can be used to advance our understanding should be systemically […]
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Hatch Mott MacDonald
A full service engineering firm with much experience in tunneling. Visit Hatch Mott MacDonald
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Soil Retention Systems, Inc.
Western US contractor based in CA specializing in construction segmental retaining walls for 20 years. Visit Soil Retention Systems, Inc.