Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

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

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

Chico Environmental

Chico, CA

Expert Environmental Services in Northern California

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Environmental Site Assessment

Service: Environmental Site AssessmentService: Phase I Environmental Site AssessmentService: Phase II Environmental Site AssessmentIndustry: GovernmentIndustry: Land DevelopmentType: Environmental Engineering+14 more

Compass Systems, Inc.

Lexington Park, MD

American Precision for Mission-Ready Technologies

WebsitePhone10 offices4 leaders2 credentialsFounded 1997Updated Jun 2026

Service detail: Research and Development

Service: Research and DevelopmentService: AI-Enabled Decision SupportService: Augmented Reality and TrainingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+27 more

EDM Services, Inc.

Simi Valley, CA

Exceptional Service is all we Sell

WebsitePhone1 office4 projects3 leadersFounded 1990Updated Jun 2026

Project: SoCalGas Senate Bill 1383 Dairy Biomethane Project (South Tulare)

Service: Pipeline EngineeringService: Pipeline Engineering and DesignService: Structural EngineeringIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+39 more

Edifica USA

Lake Forest, CA

Multi-discipline geotechnical, structural, and environmental engineering services

WebsitePhone2 offices1 projectsUpdated Jun 2026

Project: SPLA Port

Service: Geotechnical EngineeringService: Geotechnical Design and AnalysisService: Subsurface Exploration for InfrastructureIndustry: Ports & HarborsIndustry: Highways & RoadsType: Geotechnical Engineering+40 more

Engeo Incorporated

San Ramon, CA

Expect Excellence

Website28 offices4 leaders1 credentialsFounded 1971Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical Earthquake EngineeringService: Environmental EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+37 more

GeoMat Testing Laboratories, Inc.

Riverside, CA

GeoMat Testing Laboratories, Inc. offers comprehensive consulting services in geotechnical engineering, geology, environmental engineering, and construction services and materials testing. Its services are applied in the planning, design, and construction of municipal, public works, commercial, and industrial projects throughout California. The staff includes scientists and engineers with technical disciplines in geotechnical engineering, soil mechanics, earthwork engineering, rock mechanics, engineering geology, environmental engineering, pavement studies, materials testing, and construction inspection.

WebsitePhone2 officesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Foundation Investigation and DesignIndustry: CommercialIndustry: EducationType: Civil Engineering+28 more

Haling & Associates

Chico, CA

Here to Meet Your Civil and Environmental Engineering Needs

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Wastewater SystemsService: Gravel-Less Bed SystemsIndustry: AgricultureIndustry: CommercialType: Civil Engineering+9 more

ICI Engineers, Inc.

Walnut, CA

Sustainable and Innovative Engineering Solutions for a Better World

WebsitePhone1 office4 projects2 leaders10 credentialsUpdated Jun 2026

Project: AFCEE Air Force Base MEP Projects

Service: MEP EngineeringService: Mechanical & HVAC EngineeringService: Plumbing EngineeringIndustry: CommercialIndustry: EducationType: MEP+17 more

Milani & Associates

Concord, CA

Milani & Associates is a civil engineering, land surveying, and environmental consulting firm founded in 1999 by Michael Milani and based in Concord, California. Milani & Associates provides surveying and mapping, civil engineering, land development, construction staking, storm water monitoring, fire line design, expert witness services, and environmental engineering for education, commercial, industrial, residential, government, and infrastructure clients throughout Northern California.

WebsitePhone1 office1 leadersFounded 1999Updated Jun 2026

Service detail: Surveying & Mapping

Service: Surveying & MappingService: Civil EngineeringService: Land DevelopmentIndustry: EducationIndustry: CommercialType: Civil Engineering+12 more

Nandina Inc.

Cincinnati, OH

Creating Solutions Is Our Passion

Website6 offices4 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land PlanningService: CAD DesignIndustry: CommercialIndustry: GovernmentType: Civil Engineering+17 more

Natural Resources Consulting Engineers, Inc.

Fort Collins, CO

We Know Water

Website3 offices4 projects2 leadersFounded 1989Updated Jun 2026

Project: USAID Senegal ACCES Project

Service: Water Resources EngineeringService: Surface water hydrologyService: Streamflow gauge installation and monitoringIndustry: Water ResourcesIndustry: AgricultureType: Civil Engineering+43 more

R C Costello Assoc Inc

Redondo Beach, CA

Professional Chemical Engineering Design & Process Solutions

WebsitePhone1 office3 publicationsUpdated Jun 2026

Service detail: Chemical Process and Plant Design

Service: Chemical Process and Plant DesignService: Chemical Process DesignService: Biofuels Plant DesignIndustry: Biomass & BioenergyIndustry: ChemicalsType: Chemical Engineering+49 more

Rubicon Engineering Corporation

Tustin, CA

Excellence in Engineering Solutions

WebsitePhone1 office2 leadersFounded 1987Updated Jun 2026

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Environmental InvestigationService: Environmental RemediationIndustry: Environmental & RemediationIndustry: Water ResourcesType: Environmental Engineering+11 more

Specs Engineering Group Inc.

Brea, CA

Raising the Bar in Civil and Structure

Website1 officeUpdated Jun 2026

Service detail: Construction Management

Service: Construction ManagementService: InspectionService: Office EngineeringIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+12 more

Technicon Engineering Services, Inc.

Fresno, CA

Testing and Inspection Services for the Construction Industry

WebsitePhone2 offices10 leaders3 credentialsFounded 1989Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Slope Stability and Earthwork EvaluationsService: Foundation Design and AnalysisIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+27 more

WEST Consultants, Inc.

San Diego, CA

Advanced Water Resources Investigations & Sustainable Solutions

WebsitePhone8 offices3 projects11 leaders1 credentialsFounded 1988

Project: Corps Water Management System Deployment for the Willamette River Basin

Service: HydrologyService: Hydrologic AnalysisService: ModelingIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+53 more