Public engineering firm directory

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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

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

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

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

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

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

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

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

DECON Environmental, Inc.

Scotts Valley, CA

Professional engineering, environmental assessment, and industrial hygiene services

WebsitePhone1 office11 projects7 credentialsUpdated Jun 2026

Project: Air Discharge Permitting for 300,000-Gallon Per Day Wastewater Treatment Plant

Service: Demolition Environmental ServicesService: Preparation and Presentation of Demolition Environmental PlansService: Demolition PermittingIndustry: Land DevelopmentIndustry: Food & BeverageType: Environmental Engineering+45 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

EnGENCorp.

Temecula, CA

Proudly serving the Southern California community since 1993

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Geotechnical Engineering Services

Service: Geotechnical Engineering ServicesService: Landslide and Slope Stability AnalysisService: Rippability StudiesIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+13 more

G3 Quality, Inc.

Cerritos, CA

World-Class Quality Solutions for your Infrastructure Project

Website4 offices14 leaders3 publicationsFounded 2013Size Estimate: 100-150 employeesUpdated Jun 2026

Service detail: Quality Management

Service: Quality ManagementService: Construction Quality Management ProgramsService: Quality Assurance and Quality Control (QA/QC)Industry: Highways & RoadsIndustry: GovernmentType: Civil Engineering+27 more

GMU Geotechnical, Inc.

Rancho Santa Margarita, CA

Over 50 Years of Engineering Excellence

WebsitePhone1 office9 projects5 credentialsUpdated Jun 2026

Project: Boulder Pond Park

Service: Geotechnical EngineeringService: Site ExplorationService: Slope Stability and Landslide AnalysisIndustry: CommercialIndustry: RetailType: Civil Engineering+41 more

Geo-Advantec, Inc.

San Dimas, CA

Leading Geotechnical Consulting Firm

WebsitePhone1 office3 projects5 leaders7 credentialsFounded 2012

Project: City of Commerce Washington Boulevard Rehabilitation Project

Service: Geotechnical EngineeringService: Geotechnical Field ExplorationsService: Foundation Analysis & DesignIndustry: TransportationIndustry: GovernmentType: Geotechnical Engineering+30 more

Geo-Engineering Solutions, Inc.

San Ramon, CA

Geotechnical, Environmental & Industrial Services

WebsitePhone1 office5 projects1 credentialsUpdated Jun 2026

Project: John Muir Elementary School

Service: Geotechnical EngineeringService: Site Investigation and Geotechnical StudiesService: Foundation Design and AnalysisIndustry: EducationIndustry: Renewable EnergyType: Geotechnical Engineering+27 more

GeoConcepts, Inc.

Van Nuys, CA

Over 25 years of experience!

WebsitePhone1 office2 leaders3 credentialsFounded 1995Updated Jun 2026

Service detail: Site Exploration

Service: Site ExplorationService: Engineering Geologic ReportsService: Geotechnical Engineering ReportsIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+24 more

GeoSolutions

San Luis Obispo, CA

GeoSolutions is a geotechnical engineering firm providing soils engineering, engineering geology, and construction inspection services along the Central Coast of California. The firm maintains three offices in San Luis Obispo, Santa Maria, and Santa Barbara and serves clients in the planning, design, and construction phases of their projects. Services include geotechnical investigations, percolation and infiltration testing, coastal bluff evaluation, fault and landslide investigation, and special inspection of soils, concrete, masonry, welding, and epoxy.

WebsitePhone3 officesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Soils Engineering ReportsService: Percolation TestingIndustry: InfrastructureIndustry: CommercialType: Geotechnical Engineering+15 more

GeoTek, Inc.

Las Vegas, NV

Engineering Excellence

WebsitePhone6 offices3 projects1 credentialsFounded 1997Size Estimate: 200+ employees

Project: Rhodes Ranch Residential Development

Service: Geotechnical EngineeringService: Geotechnical Drilling and Subsurface ExplorationsService: Geotechnical Evaluation ReportsIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+44 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

Geolotech, Inc.

Los Angeles, CA

Geolotech, Inc. is a geotechnical consulting firm based in Los Angeles, California. It provides engineering geology and soils engineering services to clients throughout Los Angeles County and adjacent areas. Professional services cover residential and commercial projects including single- and multi-family residences, apartment buildings, residential tracts, industrial developments, and additions to existing structures. The team of licensed geologists and engineers delivers subsurface investigations, geotechnical and geologic reports, foundation recommendations, liquefaction analysis, infiltration testing, and construction inspection services.

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Geological Services

Service: Geological ServicesService: Engineering Geologic ReportsService: Geotechnical ServicesIndustry: ResidentialIndustry: CommercialType: Geotechnical Engineering+9 more