- Association of Engineering Geologists (AEG) – Washington Section
- Seattle Section
- American Society of Civil Engineers (ASCE) National
- Oregon Section, Geotechnical Group
- San Francisco Section
- ASFE: The Geoprofessional Business Association
- Deep Foundations Institute (DFI)
- Geo-Institute
- International Association of Foundation Drilling – ADSC
- Northwest Geologic Society (NWGS)
- Structural Engineers Association of Washington (SEAW)
- Vancouver Geotechnical Society (VGS)
Resources
- WSDOT Geotechnical Home Page
- WSDOT Geotechnical Design Manual (2016)
- Washington DNR Department of Geology & Earth Sciences
- Washington State Department of Licensing: Engineers and Land Surveyors
