Public engineering firm directory

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Anacapa Engineering and Design, Inc.

Bakersfield, CA

Transform Your Vision with Our Professional Engineering Team.

WebsitePhone1 office2 projects8 leadersFounded 2017Updated Jun 2026

Project: Springville Library

Service: Mechanical EngineeringService: System Design From Prototyping To ProductionService: Creating Reliable Configurations That Optimize PerformanceIndustry: IndustrialIndustry: Renewable EnergyType: Civil Engineering+36 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

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects3 credentialsFounded 1978Size Estimate: 25-50 employees

Project: Town of Windsor SCADA System

Service: Electrical EngineeringService: Lighting Design and ModelingService: Power System StudiesIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+33 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

Broadbent & Associates, Inc.

Tempe, AZ

Broadbent & Associates is a full-service environmental consulting, civil engineering, and water resources firm founded in 1987. With approximately 100 employees and offices across Arizona, California, Colorado, Michigan, Nevada, New Mexico, Oregon, Texas, and Utah, Broadbent helps clients maintain compliance, manage environmental liabilities, and develop resources through environmental assessment and remediation, air quality services, water resources, civil engineering, and health and safety consulting.

WebsitePhone11 officesFounded 1987Size Estimate: 100 employeesUpdated Jun 2026

Service detail: Environmental Assessment & Remediation

Service: Environmental Assessment & RemediationService: Air Quality Permitting & Stack TestingService: Civil EngineeringIndustry: Power GenerationIndustry: MiningType: Environmental Engineering+16 more

Collier Consulting, Inc.

Stephenville, TX

We Bring a World of Solutions

WebsitePhone11 offices18 leadersFounded 1998Size Estimate: 25-50 employeesUpdated Jun 2026

Service detail: Geoscience

Service: GeoscienceService: GroundwaterService: EnvironmentalIndustry: Water ResourcesIndustry: Water SupplyType: Environmental Engineering+30 more

E&S Grounding Solutions, Inc.

Laguna Niguel, CA

The World Standard in Electrical Grounding Engineering

WebsitePhone1 office1 leaders1 credentialsFounded 2002Updated Jun 2026

Service detail: Grounding System Design

Service: Grounding System DesignService: Substation GroundingService: Industrial Facility GroundingIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+24 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

Electrical Design Technology Inc

Sacramento, CA

Leading provider of power distribution equipment and services.

WebsitePhone2 offices4 projectsFounded 1984Updated Jun 2026

Project: SFMTA King Street Mobile Substation

Service: Project DesignService: Technical Specification WritingService: Component ListsIndustry: AirportsIndustry: Data CentersType: Electrical Engineering+24 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

Engineering Inc Mt

Concord, CA

Intelligent Infrastructure. Enduring Communities.

Website14 offices2 leadersFounded 2023Updated Jun 2026

Service detail: Transportation Engineering

Service: Civil EngineeringService: Transportation EngineeringService: Traffic EngineeringIndustry: MiningType: Civil Engineering+12 more

Engineering Systems Inc.

Scottsdale, AZ

Multidisciplinary Expertise. Industry Insight.

Website22 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Uncovering the Truth Behind a Toy Archery Injury

Service: Accident ReconstructionService: Motor Vehicle Accident ReconstructionService: Industrial and Workplace Incident AnalysisIndustry: AgricultureIndustry: MiningType: Chemical Engineering+57 more

Filtration Energy Solutions Inc

San Diego, CA

Where Filtration Concepts Become Engineered Realities

WebsitePhone1 office5 projectsUpdated Jun 2026

Project: Process Stream Value Recovery System

Service: Membrane EngineeringService: Membrane Feasibility TestingService: Prototype Membrane Filter Design and BuildIndustry: AgricultureIndustry: ChemicalsType: Process Engineering+18 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

Geo-Logic Associates, Inc.

Ontario, CA

Listening to What Our Clients Want, Delivering Solutions.

WebsitePhone1 office4 leaders28 credentialsFounded 1991Size Estimate: 400 employees
Service: Civil EngineeringService: Construction SupportService: EnvironmentalIndustry: Environmental & RemediationIndustry: MiningType: Civil Engineering+17 more

GeoPentech

Irvine, CA

Innovative and Effective Solutions for Earth-Related Projects

Website1 office14 leadersFounded 2000Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Slope StabilityService: Landslide Evaluation and RepairIndustry: MiningIndustry: NuclearType: Civil Engineering+24 more

JSC Engineers

Lee's Summit, MO

Offering Innovative Solutions

WebsitePhone2 officesUpdated Jun 2026
Service: Pipe Stress Analysis & Support DesignService: Delegated-Design EngineeringService: Finite Element AnalysisIndustry: AerospaceIndustry: ChemicalsType: MEP+18 more

Kleinfelder

San Diego, CA

Bright People. Right Solutions.

Website1 officeFounded 1961Updated Jun 2026

Service detail: Geotechnical

Service: EnvironmentalService: GeotechnicalService: Tailings Facility DesignIndustry: AviationIndustry: CommercialType: Automation & Controls+57 more

Navcon Engineering Network

Fullerton, CA

Navcon Engineering Network provides noise and vibration consulting services, technical training, and product sales for hardware and software solutions related to acoustics and vibration. Based in Fullerton, California, Navcon has over 35 years of experience offering hands-on training seminars on modal testing, environmental noise, and SoundPLAN software, and serves clients across automotive, manufacturing, transportation, and other sectors.

WebsitePhone1 officeFounded 1989Updated Jun 2026

Service detail: Noise & Vibration Engineering Services

Service: Noise & Vibration Engineering ServicesService: Noise Consulting ServicesService: Vibration Consulting ServicesIndustry: AutomotiveIndustry: TransportationType: Acoustic Consulting+10 more

PV AMPS Incorporated

Sacramento, CA

Commercial and Utility Scale Renewable Energy Engineers

WebsitePhone1 office7 leaders2 credentialsUpdated Jun 2026

Service detail: Technical Advisory & Due Diligence

Service: Technical Advisory & Due DiligenceService: Owners EngineeringService: Technical Due DiligenceIndustry: SolarIndustry: Renewable EnergyType: Electrical Engineering+21 more

Pinnacle

Pasadena, TX

Data-Driven Reliability

Website5 offices3 publicationsFounded 2006Size Estimate: 500 employeesUpdated Jun 2026

Service detail: Data-Driven Reliability Programs

Service: Data-Driven Reliability ProgramsService: Reliability Data CollectionService: Reliability Data OrganizationIndustry: Oil & GasIndustry: PetrochemicalType: Process Safety Engineering+18 more

Remedy Engineering Inc.

Redding, CA

Common sense solutions to solve engineering problems on time and on budget.

WebsitePhone1 office4 leadersUpdated Jun 2026

Service detail: Site Assessment and Characterization

Service: Site Assessment and CharacterizationService: Preliminary AssessmentsService: Preliminary Endangerment AssessmentsIndustry: Environmental & RemediationIndustry: MiningType: Civil Engineering+14 more

SCS Engineers

Long Beach, CA

At the forefront of sustainable environmental solutions for over 56 years.

WebsitePhone2 offices9 projects3 leaders16 credentials6 publications

Project: Casa Ramona Remediation

Service: Solid Waste ManagementService: Landfill Permitting and EngineeringService: Materials Recovery Facility OptimizationIndustry: Waste ManagementIndustry: GovernmentType: Environmental Engineering+44 more