Updated Sep 2026
📍 9500 Cuyamaca St Ste 102, Santee, CA, 92071
📞 619-449-5900
🌐 alliedgeo.org
Allied Geotechnical Engineers is an engineering consulting firm located in Santee, California. The firm specializes in geotechnical engineering services, providing expertise for various projects. Recent online activity indicates that the business is operational and accessible for inquiries.
📍 3890 Murphy Canyon Rd Ste 200, San Diego, CA, 92123
📞 858-573-6900
🌐 terracosta.com
📍 PO Box 1195, Lakeside, CA, 92040
📞 619-443-0060
Updated Aug 2026
📍 5710 Ruffin Rd, San Diego, CA, 92123
📞 858-576-1000
🌐 ninyoandmoore.com
📍 9245 Activity Rd, San Diego, CA, 92126
📞 858-536-1000
📍 13230 Evening Creek Dr S Ste 207, San Diego, CA, 92128
📞 858-391-8530
📍 5764 Pacific Center Blvd Ste 112, San Diego, CA, 92121
📞 858-450-4040
specializing in geotechnical & civil engineering, engineering geology, hydrology, hydrogeology, specialty inspection and testing. Materials testing lab.
Updated Sep 2026
📍 15492 White Vale Ln, Poway, CA, 92064
📞 858-679-2111
🌐 opterra.com
Opterra Inc is a geotechnical engineering firm located in Poway, California. The company specializes in providing engineering solutions related to soil, rock, and groundwater. Recent activity indicates that they are currently operational and available for consultation and project work in the Poway area.
Updated Aug 2026
📍 12595 Ragweed St, San Diego, CA, 92129
📞 858-484-2347
🌐 kellysearch.com