ABOUT US

TGR Geotechnical is a California Corporation and was established in January of 2002 to serve the counties of Ventura, Los Angeles, Orange, Riverside, San Bernardino and San Diego. TGR has also serviced clients outside of Southern California by establishing field office and laboratory testing services.

TGR Geotechnical, Inc. is a U.S. Small Business certified 8(a) and SDBE firm and California certified MBE and DBE firm.

TGR offers a comprehensive range of geotechnical, geological, earthquake, geophysical, and forensic services.  These services are available to our clients throughout the various phases of a project, from site selection and project feasibility evaluation through planning, design, and construction.  TGR Geotechnical Inc. has a commitment to provide engineering consulting services with a high degree of professional excellence and proficiency.  Professional technical staff and/or consultants including geotechnical engineers, engineering geologists, geophysicists, materials testing engineers, field technicians, and civil engineers, perform our geotechnical consulting services.

Our Geotechnical and Materials Testing Laboratories are certified by the City of Los Angeles, USACE, DSA and CALTRANS. We also maintain accreditation through the AASHTO Accreditation Program and participate in the AASHTO re:source proficiency sample program and the CALTRANS reference sample program.

The principal and staff of TGR have decades of experience in the following types of projects:

  • Public Works
  • Transportation
  • Infrastructure
  • Water Resources
  • Flood Control
  • Port and Harbor Facilities
  • Power Plants
  • Water and Waste Water Facilities
  • Airports
  • Critical Care Facilities
  • Recreational Facilities
  • Parking Structures
  • Reservoirs and Tanks
  • Underground Pipelines
  • Subterranean Earth Retaining Structures
  • Schools, Colleges and Universities
  • Hospitals and Medical Office Buildings
  • Courthouses and Detention Centers
  • Libraries and Museum
  • Master Planned Communities
  • * Pavement Design, Rehabilitation & Construction
  • * Commercial, Industrial and Residential