North Coast Regional Principal in Eureka/Arcata

Greg Williston

Regional Principal in Eureka

Greg has 25+ years experience in the fields of geology, surveying, environmental sciences, hazardous materials, soils, special inspection, and materials testing. He has worked on projects including geologic mapping and interpretation, fault trench interpretation, geotechnical and environmental drill rig operations, field and laboratory techniques, drafting, air photography interpretation, soils descriptions, and civil applications.

Certifications and Associations


Corporate Office:

812 W. Wabash Ave.
Eureka, CA 95501-2138
Tel: 707-441-8855
Fax: 707-441-8877

Office Locations:

  • Arcata, CA
  • Eureka, CA
  • Fort Bragg, CA
  • Redding, CA
  • Willits, CA
  • Coos Bay, OR
  • Klamath Falls, OR

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