Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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Avelar

Walnut Creek, CA

Collaborative & Innovative

WebsitePhone1 office5 projects6 leaders3 credentialsFounded 1976

Project: Combination of Condominium Units and Single-Family Homes

Service: Forensic and Litigation SupportService: Litigation Expert SupportService: Expert Witness TestimonyIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+38 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

Coastal Frontiers Corporation

Moorpark, CA

Coastal Engineering Services

WebsitePhone1 office7 projects8 leadersSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Coastal Engineering for the Oooguruk Development

Service: Coastal ProcessesService: Coastal StructuresService: PlanningIndustry: MarineIndustry: Oil & GasType: Coastal Engineering+14 more

Geotechnical Solutions, Inc.

Irvine, CA

Geotechnical Solutions, Inc. (GSI) is a full-service geotechnical engineering and testing consulting firm based in Irvine, California, incorporated in 1993. GSI serves residential, commercial, industrial, wireless, institutional, religious, and public works clients throughout Southern California, with extended service areas in Central California, Nevada, and Southwestern Arizona. GSI operates a certified in-house laboratory and applies state-of-the-art software for seismic evaluation, slope stability, foundation analysis, pile analysis, and liquefaction studies. GSI has completed over 8,000 projects since 1992, including more than 6,000 wireless telecommunications sites, and serves as the sole geotechnical consultant for the Diocese of Orange.

WebsitePhone1 office1 leaders2 credentialsFounded 1993Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface explorationsService: Cone penetrometer testingIndustry: TelecommunicationsIndustry: EducationType: Geotechnical Engineering+37 more

Grit Force Inc.

Cypress, CA

Specialized engineering and inspection services for complex infrastructure.

Website4 offices7 projectsUpdated Jun 2026

Project: Statewide T1 Steel Bridge Specialty Inspection

Service: Structures InspectionService: Nondestructive Evaluation and TestingService: Welding and Bolting Quality VerificationIndustry: BridgesIndustry: TransportationType: Civil Engineering+25 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

Meece Engineering, Inc.

Petaluma, CA

Residential & Commercial Civil & Structural Engineering

WebsitePhone2 offices1 projects1 leaders8 credentialsFounded 1993

Project: Lucky Store Seismic & Permitting Support

Service: Consulting and PermittingService: Permit ConsultingService: Permit ExpeditingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+25 more

Moffatt & Nichol

Long Beach, CA

Creative People, Practical Solutions

WebsitePhone1 office4 projects1 credentialsFounded 1945Updated Jun 2026

Project: Charleston Water Plan

Service: PortsService: Container and Cargo FacilitiesService: Cruise Homeports and Ports-of-CallIndustry: Ports & HarborsIndustry: MarineType: Coastal Engineering+53 more

Peterson Structural Engineers, Inc.

Portland, OR

Problem solvers, driven to create a safer, more resilient built environment.

WebsitePhone7 offices8 projects5 leaders3 credentialsSize Estimate: 20-50 employees

Project: Winslow Water Tank Replacement Project

Service: Water, Wastewater, and Stormwater Structural EngineeringService: Reservoir and water tank designService: Pump and lift station structural designIndustry: Water SupplyIndustry: WastewaterType: Structural Engineering+21 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

Risha Engineering Group, Inc.

Burbank, CA

Civil and structural engineering consulting dedicated to enhancing lives through better engineered buildings.

WebsitePhone3 offices4 projects1 leaders10 credentialsUpdated Jun 2026

Project: Los Angeles Federal Reserve Building Renovation

Service: Structural Engineering DesignService: New Building DesignService: Existing Building Renovation and RehabilitationIndustry: CommercialIndustry: RetailType: Structural Engineering+49 more

Second Order Effects Inc

El Segundo, CA

The engineer's engineer

WebsitePhone2 offices19 projectsUpdated Jun 2026

Project: Avionics development for a microgravity manufacturing spacecraft

Service: Design and AnalysisService: Aerospace Avionics Design ReviewsService: Aerospace Root Cause AnalysisIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+21 more

Siegfried Engineering Inc

Stockton, CA

Engineering Solutions, Shaping Communities

WebsitePhone5 offices5 projects24 leaders1 credentialsFounded 1955

Project: UC Davis Health, 48X Complex

Service: Civil EngineeringService: Structural EngineeringService: Geotechnical EngineeringIndustry: EducationIndustry: HealthcareType: Civil Engineering+27 more

Thornton Tomasetti

New York, NY

When others say no, we say "Here's How"

WebsitePhone5 offices6 projects2 credentials3 publicationsFounded 1949

Project: Microsoft Mass Timber Data Centers

Service: Structural DesignService: Building Structural DesignService: Megatall, Supertall & Tall BuildingsIndustry: CommercialIndustry: AviationType: Acoustic Consulting+51 more

Wiss, Janney, Elstner Associates, Inc.

Northbrook, IL

Solutions for the Built World

WebsitePhone30 offices5 projects5 credentials5 publicationsFounded 1956

Project: Washington Monument

Service: Structural EngineeringService: Bridge EngineeringService: Heavy Movable StructuresIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+54 more