geotechnical earthquake engineering

ENGEO is an employee-owned, award-winning firm of geotechnical and civil engineers, geologists, hydrologists, environmental scientists, construction quality assurance representatives, and laboratory testing specialists. Founded in 1971 in California, it has offices throughout the United States, New Zealand and Australia with more than 300 employees.

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coastal engineeringconstruction managementemergency response and disaster recoveryenvironmental engineeringgeologygeotechnical engineeringGISground heat exchange systemshydrogeologyhydrology and hydraulicslaboratory testingmaterials testing and inspectionstormwater managementUAV surveying

Geo-Advantec, Inc. (GAI) is a privately held Small Business Enterprise (SBE) geotechnical consulting firm founded in January 2012 by Dr. Shawn Ariannia. It provides geotechnical engineering, engineering geology, earthquake engineering, soils and materials testing, and construction testing and inspection services to public and private sector clients from conceptual design through project completion.

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Engineering Geologygeotechnical engineeringGeotechnical instrumentationgrading, monitoring and field testingground improvement designliquefaction and seismic settlement analysisPavement engineeringslope stability investigation, analysis, and designsoils & materials laboratory testingspecial inspection servicessubsurface exploration and downhole logging