Providing Geotechnical, Pavement, Geological, and Environmental Services Since 1984.

Established in 1984, GRI continues to provide the Pacific Northwest full-service geotechnical, geologic, and pavement engineering solutions for challenging projects. Our dynamic team has provided the right solution for our clients on more than 7,000 projects. We are committed to building trust with our clients through every project experience. At GRI, we approach each opportunity with elevated collaboration and integrate each of our team’s specialties to build the right team for you and your project.