GEC is an firm specializing in geotechnical and earthquake engineering serving Oregon and Washington.


Whether you project is large or small, we offer a broad range of expertise providing engineering services for residential, commercial, transportation, and marine waterfront applications. Our experience includes major bridge projects, pier and wharf structures, tunnels, shoring design, commercial and residential structures.


Our staff of high trained professional are commitment to providing innovative solutions and technical excellence to your project.







Copyright c GEC 2016

Seattle, Bellevue, Kent

24 Roy St

Seattle, WA 98109

PH: (206) 395-3201


Salem, Portland, Vancouver

2755 Commercial Street

Salem, Oregon

PH: (503) 967-9240