Norcal Geophysical Consultants INC



We provide our services to a full range of private and public sector companies, agencies, and municipalities. A partial list of previous clients include:

Acton Michaelson Environmental AECOM
AMEC Foster Wheeler
ATC Associates, Inc.
Barr Engineering
Bay Area Rapid Transit District (BART)
Bechtel Corporation
Black & Veatch
Broadbent Associates
Brown and Caldwell
Bureau Veritas
Burns & McDonnell
CA Department of Mental Health
CA Department of Toxic Substances Control
CA Department of Transportation (CalTrans)
CA Department of Water Resources
CA Regional Water Quality Control Board
Camp Dresser & McKee (CDM )
CDM Smith
CH2M Hill
City of Benicia
City of Concord Police Department
City of Pinole Police Department
City of Rancho Cordova Public Works
City of San Pablo Police Department
City of Stockton Police Department
Cleary Consultants, Inc.
Condor Earth Tech
Conestoga Rovers & Associates (CRA)
County of El Dorado
County of Fresno Public Works
County of Maricopa Sheriff's Department
County of Marin
County of Monterey
County of Placer
County of Sacramento Public Works
County of Shasta Public Works
East Bay Municipal Utility District (EBMUD)
EBA Engineering, Inc.
ERM West, Inc.
Federal Highway Administration
Ferrari Carano Winery
Foster Wheeler Environmental Corporation
Fugro West, Inc.
Geocon Consultants, Inc.
Geotechnical Consultants (GTC)
Geosyntec Consultants, Inc.
Golder Associates
Granite Construction
Harris Construction
HDR Engineers
Idaho National Engineering and Environmental Lab
Jacobs Engineering Group
Johns Manville
Kiewit Corporation


Kleinfelder, Inc.
Krazan & Associates
LACO Associates
Langan Treadwell Rollo
Lawrence Berkeley National Laboratory
Lawrence Livermore National Laboratory
Lockheed Martin
Los Angeles Metropolitan Water District
Malcom Pirnie, Inc.
Miller Brooks Environmental
Miller Pacific Engineering Group
Montgomery Watson Harza (MWH)
Moore Twining
Ninyo & Moore
Oregon Department of Transportation
Pacific Gas & Electric Company (PG&E)
Parikh Consultants
Parsons Engineers
Parsons Brinkerhoff
Port of Oakland
R&M Environmental and Infrastructure Engineering
Remediation Sciences, Inc.
Robert Y. Chew Geotechnical, Inc.
Sacramento Municipal Utility District (SMUD)
SAGE Engineers
San Francisco Municipal Railroad (MUNI)
San Francisco Public Utility District (SFPUC)
Santa Rosa Junior College
Science Applications International Consultants (SAIC)
SCS Engineers
Shannon & Wilson, Inc.
SHN Consulting Engineers & Geologists, Inc.
Sonoma County Water Agency
Squaw Valley Public Service District
Stanford Linear Accelerator (SLAC)
Stanford University
Stratus Environmental, Inc.
Syar Industries, Inc.
Taber Consultants
Teichert Aggregates
Terra Pacific Group
Terrasearch, Inc.
Tetra Tech, Inc.
The Source Group, Inc.
Thirty Meter Telescope (TMT)
TRC Companies, Inc.
Turner Construction
United Water Conservation District (UWCD)
University of California, Davis
URS Corporation
U.S. Army Corps of Engineers
U.S. Bureau of Reclamation
U.S. Forest Service
U.S. Navy
U.S. National Parks Service
Wallace Kuhl, Inc.
Weiss Associates
Wilson Ihrig & Associates