• Beaverton: 503-641-3478
  • Vancouver: 360-213-1690
  • Brookings: 503-641-3478

About Us


Geotechnical Resources, Inc., (GRI) was established in 1984 and provides geotechnical engineering, pavement engineering, geological, and environmental design and consulting services for a broad range of complex and challenging projects in the Pacific Northwest, western U.S., and abroad. GRI opened our Vancouver, Washington, office in 2008 to better serve southwest Washington, including the municipal, ports, energy, and industrial sectors.  In 2011, we expanded into southern Oregon by opening an office in Brookings, Oregon.  We have two full, in-house soil mechanics laboratories, and, when needed, we have long-term, successful partnerships with other firms that supplement our in-house capabilities with services such as surveying, permitting, civil and structural engineering, and construction administration.

GRI is an employee-owned firm with a technical staff of 38 experienced engineers and geologists, many of whom have been with GRI for more than 10 years. All technical staff have at least one advanced degree in their field of specialization. Our well-educated and highly trained staff can quickly and cost-effectively evaluate, design, permit, and manage a wide range of soil-, rock-, and groundwater-related projects.


GRI has participated on many LEED- and LID-identified projects.  GRI is committed to responsible development and routinely works with the design team to solve problems and identify solutions that meet environmental constraints for site preparation, earthwork, and construction.  We recommend the use of recycled materials during construction whenever possible, provide consultation for the on-site disposal of stormwater, and work closely with clients to develop low-impact design methods.

We continually evaluate our business practices for ways to reduce and reuse. We have implemented the use of flexible work schedules, telecommuting, electronic files, email correspondence, and teleconferencing.  Current policies include the use of recycled paper with 100% post-consumer waste content, use of double-sided printing or paperless communication whenever possible, washable plates and utensils, cloth towels, and participation in Metro’s Recycle at Work program.  To minimize waste generated during field investigations, steel sampler tubes are recycled and plastic sample jars are washed and re-used.