Marianas Geotech Services, LLC is a locally owned and operated consulting civil engineering firm specializing in geotechnical engineering, subsurface exploration, and construction materials testing with offices/labs on Saipan, Tinian, and Guam and actively serving the surrounding Micronesian region. We are a CNMI and Guam licensed well driller (No. 06-WD-LIC-2021, GEPA#67, CLB#R-1225-1524, RME#CLB25-2083) and a certified HUBZone small business concern.