TGR Geotechnical, Inc., founded in January 2002, is a California Corporation dedicated to providing specialized geotechnical consulting services. With a service area that includes Ventura, Los Angeles, Orange, Riverside, San Bernardino, and San Diego counties, TGR also extends its expertise beyond Southern California through established field offices and laboratory testing services. The firm is recognized as a U.S. Small Business certified 8(a) and SDBE, as well as a California certified MBE and DBE firm, reflecting its commitment to diversity and inclusion in the industry.
TGR Geotechnical offers a comprehensive suite of services that includes geotechnical investigations, feasibility studies, and a wide array of engineering consulting in areas such as geological, earthquake, geophysical, and forensic services. Their skilled team, composed of geotechnical engineers, engineering geologists, geophysicists, materials testing engineers, and field technicians, exemplifies professionalism and technical excellence throughout all phases of project development—from site selection and project feasibility evaluations to design and construction.
The firm’s laboratories are certified by key industry standards including the City of Los Angeles, USACE, DSA, CALTRANS, and they maintain accreditation under the AASHTO Accreditation Program. With decades of cumulative experience, TGR's staff has successfully worked on diverse projects such as public works, transportation infrastructure, water resources, power plants, airports, hospitals, and recreational facilities. Their focus on innovative and cost-effective solutions to complex engineering problems, combined with exemplary customer service, positions TGR as a leader in the geotechnical engineering field. As technology evolves, TGR remains committed to adopting cutting-edge techniques to deliver the highest quality service to its clients.