Public engineering firm directory

Find engineering consulting firms by capability and location.

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ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 more

AGS, Inc.

San Francisco, CA

Enhancing communities and the built environment.

WebsitePhone2 offices6 projects10 leaders7 credentialsFounded 1983

Project: SFO Harvey Milk Terminal Boarding Area B

Service: Geotechnical EngineeringService: Site Characterization & Engineering GeologyService: Seismic Design & AnalysisIndustry: AirportsIndustry: Water SupplyType: Geotechnical Engineering+40 more

Abi Engineering Consultants Inc

Santa Ana, CA

Geotechnical, Civil, and Structural Engineering Across California and the Western States

WebsitePhone1 office10 projects2 leadersFounded 2004Updated Jun 2026

Project: LA Metro Gold Line - MSE Wall

Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationService: Foundation Design and Lateral Earth Pressure AnalysisIndustry: CommercialIndustry: IndustrialType: Civil Engineering+39 more

American Engineering Laboratories, Inc.

La Habra, CA

Providing High Quality Results in a Cost Effective and Timely Manner

WebsitePhone5 offices9 leaders5 credentialsUpdated Jun 2026

Service detail: Construction Inspection

Service: Construction InspectionService: Masonry Inspections and TestingService: Batch Plant InspectionsIndustry: EducationIndustry: GovernmentType: Civil Engineering+28 more

Barnett Quality Control Services Inc

San Diego, CA

Our Services. Your Success.

WebsitePhone2 offices9 projects11 leaders9 credentialsFounded 2008

Project: Directors Place

Service: Environmental ServicesService: Phase I Environmental Site AssessmentService: Phase II Environmental Site AssessmentIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+94 more

Bay Area Geotechnical Group

San Jose, CA

Geotechnical and environmental engineering solutions that balance cost and risk.

WebsitePhone1 office7 credentialsFounded 1988Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Geotechnical Feasibility StudiesIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+25 more

Brunsing Associates, Inc.

Santa Rosa, CA

Geotechnical and Environmental Engineering

WebsitePhone1 office10 projects9 leaders3 credentialsFounded 1990

Project: Landslide Repair - Fairfax

Service: Geotechnical EngineeringService: Soils ReportsService: Landslides and Slope StabilityIndustry: EducationIndustry: RailType: Geotechnical Engineering+33 more

Byer Geotechnical Inc.

Glendale, CA

Integrity Is Our Foundation

WebsitePhone1 office8 projects4 leadersSize Estimate: 18 employeesUpdated Jun 2026

Project: One Santa Fe

Service: Geologic & Soils EngineeringService: Single Family Residential ConstructionService: Residential Hillside SubdivisionsIndustry: ResidentialIndustry: Multifamily ResidentialType: Geotechnical Engineering+37 more

Crawford & Associates, Inc.

Sacramento, CA

Creative solutions and responsive service.

Website8 offices6 leaders3 credentialsFounded 2012Size Estimate: 80+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundation Investigations and DesignService: Drilled PiersIndustry: GovernmentIndustry: EducationType: Geotechnical Engineering+38 more

Divis Consulting Inc.

San Francisco, CA

Divis Consulting provides project management, geotechnical engineering, construction observation, and subsurface investigation services. Established in 2004, it supports infrastructure, public utilities, airports, housing, and commercial development projects throughout the San Francisco Bay Area.

WebsitePhone1 office2 leadersFounded 2004Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Foundation and Settlement AnalysisService: Earthwork and Ground SupportIndustry: InfrastructureIndustry: UtilitiesType: Geotechnical Engineering+15 more

Earth Mechanics, Inc.

Fountain Valley, CA

Engineering resilience for a safer future

WebsitePhone4 offices5 projects11 leaders20 credentials4 publications

Project: Superior Avenue Pedestrian-Bicycle Bridge & Parking Lot

Service: Geomechanical & SeismologyService: Soil MechanicsService: Rock MechanicsIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+35 more

Earth Systems

Fremont, CA

Shaping Our Communities

WebsitePhone10 offices13 projects10 leaders8 credentialsFounded 1969

Project: Watts Skatepark

Service: Geotechnical EngineeringService: Geotechnical Feasibility StudiesService: Foundation Design ParametersIndustry: GovernmentIndustry: EducationType: Geotechnical Engineering+29 more

Engineering Analytics, Inc.

Fort Collins, CO

Professional civil and environmental engineering solutions

WebsitePhone4 officesFounded 2008Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Site Civil DesignService: Structural DesignIndustry: MiningIndustry: AerospaceType: Civil Engineering+47 more

Gall Zeidler Consultants

Ashburn, VA

Innovative tunnel, geotechnical, and underground engineering solutions

WebsitePhone10 offices7 projects3 leaders7 credentialsUpdated Jun 2026

Project: Potomac River Tunnel

Service: Tunnel and Underground Engineering DesignService: Reference and Detailed DesignService: Design Concepts, Options and FeasibilityIndustry: TunnelsIndustry: TransitType: Civil Engineering+25 more

Geocon, Inc.

San Diego, CA

Practical Solutions to Support You From Ground to Structure.

WebsitePhone11 offices9 projects2 leaders6 credentialsFounded 1971

Project: Soboba Replacement Casino

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Foundation Design & AnalysisIndustry: Land DevelopmentIndustry: TransportationType: Geotechnical Engineering+20 more

Geolabs, Inc.

Waipahu, HI

Geolabs, Inc. is a full-service geotechnical engineering practice established in 1975 and headquartered in Waipahu, Oahu. With 80 staff and offices across Hawaii and in Oakland, California, Geolabs delivers foundation investigations, roadway embankment design, dam and reservoir engineering, and landslide and rockfall mitigation throughout Hawaii and the Pacific Basin. It brings nearly five decades of accumulated soil and geologic data across the region to every investigation.

WebsitePhone4 offices6 projects17 credentialsFounded 1975Size Estimate: 50-199 employees

Project: International Marketplace

Service: Geotechnical DesignService: Subsurface ExplorationService: Foundation EngineeringIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+11 more

Group Delta Consultants Inc

Anaheim, CA

Proven Expertise. Powerful Results.

Website5 offices1 leaders1 credentialsFounded 1986Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Site Specific Seismic Hazard Evaluations and Ground Motion StudiesIndustry: AirportsIndustry: BridgesType: Environmental Engineering+29 more

Helenschmidt Geotechnical, Inc.

Carlsbad, CA

Consulting Engineers & Geologists

WebsitePhone1 office10 projects1 leaders9 credentialsFounded 2004

Project: Soledad Mountain Road Landslide

Service: Geotechnical InvestigationsService: Subsurface Exploration & SamplingService: Cone Penetrometer (CPT) SoundingsIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+22 more

LOR Geotechnical Group, Inc.

Riverside, CA

Innovative. Communicative. Results Driven.

WebsitePhone1 office2 leaders6 credentialsFounded 1988Updated Jun 2026

Service detail: Soil Engineering

Service: Soil EngineeringService: Preliminary Geotechnical InvestigationsService: Geotechnical Feasibility StudiesIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+26 more

Landmark Consultants Inc

El Centro, CA

Landmark Consultants, Inc. offers a broad range of geotechnical engineering, construction materials testing, and environmental consulting services in Southern California. Serving both public and private sectors, the practice provides technical evaluations from initial site planning through construction. Key services include geotechnical investigations, soil and concrete testing, special inspections, and environmental site assessments.

WebsitePhone2 offices3 leadersFounded 2003Size Estimate: 21 employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Geologic and Engineering ReportsIndustry: GovernmentIndustry: Water SupplyType: Environmental Engineering+19 more

Materials Testing, Inc. dba KC Engineering Co.

Vacaville, CA

Engineering Consulting and Testing Firm

WebsitePhone2 offices2 projects3 leaders5 credentialsFounded 1996

Project: The Cypress Avenue Bridge Replacement Project

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Geotechnical Design CriteriaIndustry: TransportationIndustry: Highways & RoadsType: Geotechnical Engineering+36 more

Mid Pacific Engineering Inc.

West Sacramento, CA

The project specialists.

WebsitePhone3 offices6 projects5 leaders7 credentialsFounded 2009

Project: UC Davis West Village

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Geologic Hazards ReportsIndustry: ResidentialIndustry: EducationType: Geotechnical Engineering+45 more

PJC & Associates, Inc.

Rohnert Park, CA

Consulting Engineers & Geologists Northern California

WebsitePhone1 office5 credentialsFounded 1990Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Design Level Geotechnical InvestigationsService: Geotechnical Consultations During ConstructionIndustry: ResidentialIndustry: Multifamily ResidentialType: Geotechnical Engineering+57 more

Pacific Crest Engineering Inc.

Watsonville, CA

Pacific Crest Engineering Inc. (PCEI) provides geotechnical, chemical process, and environmental engineering services to public and private sector clients in the Monterey Bay and Silicon Valley areas of California. It specializes in geotechnical investigations, materials testing, stormwater management, environmental consulting, and fire protection engineering.

WebsitePhone1 office1 projects15 credentialsFounded 2001Updated Jun 2026

Project: Kresge College, UCSC

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Foundation Design ConsultingIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+22 more