Geotechnical Resources, Inc. (GRI) was established in 1984 and provides geotechnical engineering, geologic, and environmental design and consulting services from offices in Oregon and Washington. The size and technical excellence of our staff permit us to offer a broad range of expertise, plus personalized service to each client. The professional staff is well-trained academically and highly skilled technically. We have the practical, hands-on experience required to economically and accurately characterize site conditions and provide innovative, practical, and buildable recommendations for design and construction