utility locating and mapping

Advanced Geophysical Services (AGS) provides non-intrusive subsurface investigation services for environmental, engineering, and construction projects. Formed through the acquisition of Advanced Geological Services by EPI Geophysics, AGS brings over 30 years of experience in geophysical investigations and subsurface characterization, with in-house licensed Professional Geologists and experienced geophysicists. The company supports projects across Pennsylvania, New Jersey, New York, Connecticut, Delaware, Maryland, and beyond.

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borehole geophysicselectrical resistivityGround Penetrating Radarmicrogravityoil tank sweepSeismic methodssubsurface investigation

Ambient Technologies, Inc. (ATI) is an employee-owned, minority-certified Florida corporation founded in 1993 that provides environmental, geotechnical and geophysical field services across the United States, Caribbean, and Central/South America. Headquartered in St. Petersburg, Florida, ATI is the holding company of subsidiaries ATI Companies LLC, ATI Geologica LLC, ATI GeoView Govt Serv, Inc., and ATI Panamericana S.A.

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Borehole Loggingconcrete coringcone penetration testing (CPT)electromagnetic surveysenvironmental drillinggeophysical surveyinggeotechnical drillingground penetrating radar (GPR)groundwater samplingin-situ testingmonitoring well installationrock coringseismic and resistivity methodssoil samplingSolar Power Systems