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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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

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

Acoustical Engineering Consultants

Elk Grove, CA

Engineering a quieter world and optimizing aural environments, one project at a time.

WebsitePhone2 offices8 projects2 leaders4 credentialsFounded 2008

Project: CalSTRS Headquarters 2.0

Service: Architectural AcousticsService: Room Acoustics Measurement and AnalysisService: Reverberation and Diffusion EngineeringIndustry: EducationIndustry: HealthcareType: Acoustic Consulting+36 more

Blair, Church & Flynn Consulting Engineers

Clovis, CA

Service. Quality. Integrity.

WebsitePhone6 offices3 leaders5 credentialsFounded 1958Updated Jun 2026

Service detail: Planning, Permitting & Consulting

Service: Planning, Permitting & ConsultingService: Alternatives AnalysesService: Constructability ReviewsIndustry: Power GenerationIndustry: Electric UtilitiesType: Civil Engineering+72 more

Brelje & Race Consulting Engineers

Santa Rosa, CA

Excellence, Innovation, Integrity

WebsitePhone1 office8 projects7 leaders3 credentialsFounded 1954

Project: Lindley Center for STEM Education

Service: WaterService: Wastewater / Recycled WaterService: Site DevelopmentIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+16 more

CSG Consultants

Foster City, CA

Lasting Solutions for the Communities We Serve

WebsitePhone7 offices11 projectsFounded 1991Updated Jun 2026

Project: Scotts Valley Parcel Viewer

Service: Building & SafetyService: Building Code ExpertsService: Fire PreventionIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+49 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

Diablo Engineering Group

Oakland, CA

Transportation Infrastructure and Civil Engineering Practice

WebsitePhone2 offices6 projects9 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: 880 Safety 29th 23rd

Service: Civil Engineering DesignService: Streetscape, Roadway, Highway, and Interchange DesignService: Precise Grading and Improvement Plans PreparationIndustry: CommercialIndustry: ResidentialType: Civil Engineering+39 more

Dokken Engineering

Folsom, CA

Transforming design.

WebsitePhone4 offices7 projects12 leaders3 credentialsFounded 1986

Project: Zittle Family Amphitheater Shade Structure

Service: Feasibility & FundingService: Grant Writing SupportService: Preliminary Engineering & Environmental ServicesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 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

FlowWest, LLC

Oakland, CA

Solving the greatest water resources challenges.

Website1 office17 projects6 leaders3 credentials4 publicationsSize Estimate: 10-50 employees

Project: Courtland Creek Restoration Project

Service: River & Floodplain RestorationService: Fish passage barrier removalService: Floodplain reconnectionIndustry: FederalIndustry: GovernmentType: Environmental Engineering+32 more

Geronimo Engineering PC

Bridging Communities, Building Resilience

Website1 leadersFounded 2022Size Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Facilitation and Outreach

Service: Facilitation and OutreachService: Community Outreach and Workshop FacilitationService: Capacity BuildingIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+19 more

House Moran Consulting, Inc.

Reno, NV

Floodplain Management and Water Resources Engineering

WebsitePhone3 offices1 projects4 leaders3 credentialsUpdated Jun 2026

Project: NEXRAD Gage-Adjusted Radar Rainfall Research Project

Service: Hydrologic and Hydraulic ModelingService: 1D and 2D H&H ModelingService: HEC-RAS (Steady, Unsteady, 2D)Industry: GovernmentIndustry: FederalType: Water / Wastewater Engineering+43 more

JMA Civil

Oakland, CA

Civil & Rail Design Professionals

WebsitePhone1 office8 projects6 leaders1 credentialsFounded 2011

Project: California High-Speed Rail Construction Package 1

Service: Railroad and Transit EngineeringService: Mainline & Railroad Facility DesignService: Conceptual Rail DesignIndustry: IndustrialIndustry: RailType: Civil Engineering+34 more

Keish Environmental, PC

Improving our World, One Project at a Time

Website6 projects4 credentialsFounded 2014Updated Jun 2026

Project: VTA BART Silicon Valley Extension Program - Phase I and Phase II

Service: Program and Construction ManagementService: Construction Monitoring, Oversight and InspectionsService: Constructability ReviewsIndustry: TransitIndustry: TransportationType: Environmental Engineering+32 more

Lars Andersen & Associates, Inc.

Fresno, CA

Lars Andersen & Associates, Inc. is a multi-disciplinary civil engineering and land surveying firm incorporated in 1941 and based in Fresno, California, with a second office in Arizona opened in 2021. One of the oldest civil engineering firms in California's Central Valley, it serves government, commercial, educational, energy, and residential clients throughout the Western United States.

WebsitePhone1 office1 leadersFounded 1941Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Grading and Drainage PlansService: Utility Design (Water, Sewer, Storm Drain)Industry: GovernmentIndustry: EducationType: Civil Engineering+20 more

Luhdorff & Scalmanini Consulting Engineers

Woodland, CA

Integrating Groundwater, Science & Engineering

WebsitePhone5 offices14 projects1 credentialsFounded 1980Updated Jun 2026

Project: Napa County Groundwater Sustainability Planning

Service: Groundwater ResourcesService: Groundwater Sustainability PlanningService: Conjunctive Use & Recharge PlanningIndustry: Water SupplyIndustry: Water ResourcesType: Water / Wastewater Engineering+23 more

PR Design & Engineering Inc.

Kings Beach, CA

California & Nevada Licensed Civil Engineering & Land Use Planning

WebsitePhone1 officeSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Roadway DesignService: Subdivision Layout and DesignIndustry: GovernmentIndustry: CommercialType: Civil Engineering+32 more

RT Engineering & Associates, Inc.

San Diego, CA

RT Engineering & Associates, Inc. is a California-based civil engineering and construction management practice founded in 2011 by Regina Talamantez. It provides program management, construction management, design support, utility coordination, value engineering, environmental management, and public outreach services to local, state, and federal agencies. The practice supports clients in delivering heavy civil and high-summary transportation, water, and infrastructure projects.

WebsitePhone2 offices1 leadersFounded 2011Updated Jun 2026

Service detail: Program Management & Planning

Service: Program Management & PlanningService: Budgeting & Funding ManagementService: Procurement & Specification WritingIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+35 more

Resource Concepts, Inc.

Carson City, NV

Serving our clients with integrity and excellence since 1978.

WebsitePhone2 offices3 leaders13 credentialsFounded 1978Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Storm WaterService: Drinking WaterIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+37 more

Robertson-Bryan, Inc.

Solutions for Progress

Website3 projects4 leaders1 credentialsFounded 2000Updated Jun 2026

Project: Bay Delta Conservation Plan / California WaterFix EIR/EIS

Service: Wastewater Engineering and NPDES PermittingService: NPDES Permit Facilitation and RenewalService: Alternative Discharge Limit DevelopmentIndustry: WastewaterIndustry: Water SupplyType: Environmental Engineering+19 more

RockSol Consulting Group

Thornton, CO

RockSol Consulting Group is a full-service civil and transportation engineering practice founded in 1996. Headquartered in Thornton, Colorado, with multiple regional offices and accredited materials testing laboratories, it delivers engineering services across planning, environmental analysis, structural and geotechnical design, construction management, and inspection. It primarily supports state departments of transportation, federal land agencies, and municipal public works departments throughout the western United States.

WebsitePhone7 offices5 projects5 credentialsFounded 1996Size Estimate: 201-500 employees

Project: US 40 Berthoud Pass West Resurfacing

Service: Transportation EngineeringService: Transportation planning and impact studiesService: Roadway and highway designIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more

TJW Engineering

Every Project Matters. Every Solution is Built with Purpose.

Website6 projects3 leaders4 credentialsFounded 2010Updated Jun 2026

Project: North Downtown Bellflower Parking Analysis

Service: Traffic Engineering & OperationsService: Traffic Signal Design & OperationsService: Active Transportation Analysis & DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+29 more

Wildscape Engineering

South Lake Tahoe, CA

A Full Service Restoration Practice

WebsitePhone2 offices7 projects1 leaders3 credentialsFounded 2008

Project: Bijou Park Creek Restoration Project

Service: River, Wetland, And Watershed RestorationService: Watershed assessments and site characterizationService: Hydrology, hydraulic, and flooding analysesIndustry: GovernmentIndustry: FederalType: Civil Engineering+46 more