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

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AESCO, Inc.

Huntington Beach, CA

Building America from the ground up since 1993

WebsitePhone1 office3 projectsFounded 1993Updated Jun 2026

Project: I-405 Improvement Project

Service: Geotechnical EngineeringService: Geotechnical drilling and field explorationService: Soils evaluationIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+25 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

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Planning and Permitting

Service: Planning and PermittingService: EntitlementsService: Permit ExpeditingIndustry: CommercialIndustry: RetailType: Architecture & Engineering+37 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

Achievement Engineering Corp.

San Jose, CA

Building Tomorrow's Legacy, Today

Website1 office3 leadersFounded 2010Updated Jun 2026

Service detail: Materials Testing Laboratory

Service: Materials Testing LaboratoryService: Soils & Aggregates TestingService: Concrete TestingIndustry: CommercialIndustry: GovernmentType: Geotechnical Engineering+27 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

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Arrow Infrastructure Solutions Inc.

Lancaster, CA

Arrow Infrastructure Solutions Inc., doing business as Arrow Engineering Corp., is a civil engineering and geotechnical firm based in Lancaster, California, that has served public agencies and private firms in California and Nevada since 1978. Its work spans land development, land planning, transportation, and public works for both public and private sector clients. Arrow Engineering's three practice divisions cover civil engineering design, geotechnical and soils engineering, and GIS mapping, and it emphasizes cost-effective products delivered on client-defined schedules.

WebsitePhone1 officeFounded 1978Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Soils Engineering and Materials InspectionService: GIS MappingIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+6 more

Balance Hydrologics Inc

Berkeley, CA

Full Service Hydrology Consulting Firm

WebsitePhone3 offices2 leaders1 credentialsFounded 1988Updated Jun 2026

Service detail: Hydrology and Hydraulics

Service: Field-Based Site CharacterizationService: GeomorphologyService: GroundwaterIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Environmental Engineering+12 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

Blackburn Consulting

Auburn, CA

Our signature is excellence

WebsitePhone5 offices8 leaders4 credentialsFounded 1998Updated Jun 2026

Service detail: Geotechnical Design

Service: Geotechnical DesignService: Subsurface InvestigationsService: Geotechnical AnalysisIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+23 more

Brierley Associates Corporation

Englewood, CO

Creating Space Underground

WebsitePhone20 offices4 projects6 leaders11 credentialsUpdated Jun 2026

Project: Champlain Hudson Power Express Trenchless Crossings

Service: Tunneling EngineeringService: Trenchless EngineeringService: Horizontal Directional Drilling (HDD)Industry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+20 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

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

Converse Consultants

Monrovia, CA

Yesterday's Experience, Today's Quality, Tomorrow's Vision

WebsitePhone1 officeFounded 1946Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Engineering GeologyService: Environmental ServicesIndustry: TransportationIndustry: Water SupplyType: Geotechnical Engineering+9 more

Cornerstone Earth Group, Inc.

Sunnyvale, CA

From the Ground Down - geotechnical, environmental, and construction services for the Bay Area development community.

WebsitePhone1 office6 projects15 leaders2 credentialsFounded 2007

Project: Overton Moore Properties - Oaks Business Park

Service: Environmental ServicesService: Phase I Environmental Site AssessmentsService: Preliminary Endangerment AssessmentsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+77 more

DCM Consulting, Inc.

Lafayette, CA

Geotechnical and Trenchless Engineering Services

WebsitePhone1 office5 projects1 leaders3 credentials4 publications

Project: CCCSD A-line Relief Interceptor Sewer Project

Service: Geotechnical EngineeringService: Foundation DesignService: Ground ImprovementIndustry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+15 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

EBA Engineering

Santa Rosa, CA

Sustainable Solutions for an Evolving World

WebsitePhone1 officeFounded 1979Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Sustainable Land Development & Site Engineering DesignService: Grading PlansIndustry: CommercialIndustry: IndustrialType: Civil Engineering+30 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