The principals of GRI have provided the Port of Portland (Port) with geotechnical, environmental, and seismic-related consulting services for over 30 years. The geotechnical services have primarily involved floodplain and waterfront developments along the Columbia and Willamette Rivers. Notable projects include concourses, parking structures, and roadway expansion projects at Portland International Airport; multiple water-transportation terminals, […]

SAM-Registered, Federal Small Business (NAICS 541330)
WA State Public Works Small Business Enterprise (PWSBE) (#P000029741)
Contact
Tigard Office
Phone: 503-641-3478
Vancouver Office
Phone: 360-213-1690
Brookings Office
Phone: 503-641-3478
Coeur d’Alene Office
Phone: 208-431-6268
Seattle Office
Phone: 503-641-3478