Geotechnical Professionals Inc. (GPI) is a full-service geotechnical consulting and testing firm offering services for commercial developments, institutional projects, and public work projects. GPI was founded in 1989, … Read More

Geotechnical Professionals Inc. (GPI) offers geotechnical services during all phases of a project, including Pre-Acquisition and Design Phase, Construction Phase, and Post-Construction … Read More

Since 1989, Geotechnical Professionals Inc. (GPI) has provided geotechnical services for over 2,000 projects throughout Southern California. Our projects have included: Retail and Entertainment Bella Terra, … Read More