Public engineering firm directory

Find engineering consulting firms by capability and location.

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Aquario Engineering LLC

San Diego, CA

Smart solutions in sustainable water infrastructure project delivery

WebsitePhone1 office3 leadersFounded 2020Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Sustainable Infrastructure Consulting

Service: Sustainable Infrastructure ConsultingService: Providing Consulting Services Focused On Bringing SustainableService: ResilientIndustry: Water ResourcesIndustry: WastewaterType: Civil Engineering+30 more

Argos Engineers

Torrance, CA

We are solution forward.

WebsitePhone1 office5 projectsFounded 2003Updated Jun 2026

Project: Piping Design

Service: Solid MechanicsService: Stress AnalysisService: Fatigue AnalysisIndustry: Oil & GasIndustry: ChemicalsType: Mechanical Engineering+31 more

CJ Enterprise, Inc.

Northridge, CA

We design with people in mind.

Website1 office5 projects2 leaders1 credentialsSize Estimate: 2-5 employeesUpdated Jun 2026

Project: UCSB Santa Catalina Residence Halls Fire Pump and Emergency Power

Service: HVAC System DesignService: Central plant designService: Chiller plant replacement and upgradesIndustry: EducationIndustry: CommercialType: Mechanical Engineering+38 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

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

Fiedler Group

Pasadena, CA

Fiedler Group is a Pasadena, California-based design and engineering firm founded in 1957, specializing in fueling station and petroleum facility engineering. It provides site investigation reports, entitlement processing, design and engineering, permit acquisition, bidding and procurement assistance, construction support, and program management across the retail petroleum, convenience market, alternative fuels, industrial and petrochemical, food service, commercial, and government sectors throughout the United States. As of January 1, 2026, Fiedler Group joined TAIT and Associates.

WebsitePhone1 officeFounded 1957Updated Jun 2026

Service detail: Design and Engineering

Service: Site Investigation ReportsService: EntitlementService: Design and EngineeringIndustry: Oil & GasIndustry: RetailType: Environmental Engineering+14 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

Geolabs, Inc.

Waipahu, HI

Geolabs, Inc. is a full-service geotechnical engineering practice established in 1975 and headquartered in Waipahu, Oahu. With 80 staff and offices across Hawaii and in Oakland, California, Geolabs delivers foundation investigations, roadway embankment design, dam and reservoir engineering, and landslide and rockfall mitigation throughout Hawaii and the Pacific Basin. It brings nearly five decades of accumulated soil and geologic data across the region to every investigation.

WebsitePhone4 offices6 projects17 credentialsFounded 1975Size Estimate: 50-199 employees

Project: International Marketplace

Service: Geotechnical DesignService: Subsurface ExplorationService: Foundation EngineeringIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+11 more

King Engineering, Inc.

Auburn, CA

King Engineering, Inc. is a civil engineering firm headquartered in Auburn, California, with over 38 years of experience delivering land planning, engineering design, and construction support services. Projects range from residential subdivisions and master-planned communities to commercial centers and regional trails, with work across California, Nevada, and Oregon. Core capabilities include site planning, grading, drainage detention and retention analysis, stormwater management, water and sewer master plans, FEMA floodplain modification, roadway and traffic signal design, and CEQA and NEPA coordination.

WebsitePhone1 office5 projects4 leadersFounded 1980Updated Jun 2026

Project: Riolo Vineyards

Service: Land PlanningService: Land Use PlanningService: Trails PlanningIndustry: ResidentialIndustry: Land DevelopmentType: Civil Engineering+40 more

Latitude 33 Planning & Engineering

San Diego, CA

Building Relationships, Exceeding Expectations

Website2 offices5 projects7 leaders29 credentialsFounded 1993Size Estimate: 50-199 employees

Project: San Diego County Public Health Laboratory

Service: Civil EngineeringService: Land DevelopmentService: Water ResourcesIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+22 more

Lefrancois Engineering, PLLC

Truckee, CA

Engineering From the Ground Up

WebsitePhone1 office7 projects1 leaders1 credentialsFounded 2023

Project: Lake Country Estates Roadway and Drainage Improvements

Service: Civil EngineeringService: Site planning and gradingService: Utility layout and designIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+50 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

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

Sikand Engineering Associates

Sherman Oaks, CA

Leaders in Engineering, Planning & Surveying

WebsitePhone1 office5 projects6 leadersFounded 1959Size Estimate: 50+ employees

Project: Skyline Ranch

Service: Civil EngineeringService: Rough and precise gradingService: Pavement and street plansIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+47 more

Soha Structural Engineers

San Francisco, CA

Delivering 60 years of Design Excellence

WebsitePhone2 offices12 projects1 leaders18 credentialsFounded 1965

Project: Moscone Convention Center Expansion

Service: Structural EngineeringService: Structural DesignService: Shoring and UnderpinningIndustry: Arts & CultureIndustry: EducationType: Structural Engineering+19 more

Tait and Associates, Inc.

Santa Ana, CA

Experience matters.

WebsitePhone1 office18 projectsFounded 1964Updated Jun 2026

Project: Shea Dyer Business Park

Service: Civil EngineeringService: Roadway DesignService: Water, Sewer & Storm DrainIndustry: GovernmentIndustry: CommercialType: Civil Engineering+47 more

Yamabe & Horn Engineering, Inc.

Fresno, CA

A committed team providing high quality engineering services for our clients and community since 1979.

WebsitePhone1 office4 projects4 credentialsFounded 1979Updated Jun 2026

Project: Bethel Avenue Rehabilitation

Service: Municipal EngineeringService: City Engineering ServicesService: Infrastructure Planning & DesignIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+24 more