Public engineering firm directory

Find engineering consulting firms by capability and location.

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A&M Consulting Engineers

Visalia, CA

Moving Our Communities Infrastructure Forward

WebsitePhone2 offices3 projectsUpdated Jun 2026

Project: Gateway Park

Service: Water ResourcesService: Hydraulic AnalysisService: Municipal Water Well Planning and DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+44 more

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

AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

WebsitePhone3 offices12 projects2 leaders1 credentialsFounded 2014

Project: 5th Floor Med-Surg Inpatient Wing Gut & Remodel

Service: ArchitectureService: Architectural Concept DesignService: Design Development DocumentationIndustry: HealthcareIndustry: FederalType: Architecture & Engineering+48 more

Abi Engineering Consultants Inc

Santa Ana, CA

Geotechnical, Civil, and Structural Engineering Across California and the Western States

WebsitePhone1 office10 projects2 leadersFounded 2004Updated Jun 2026

Project: LA Metro Gold Line - MSE Wall

Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationService: Foundation Design and Lateral Earth Pressure AnalysisIndustry: CommercialIndustry: IndustrialType: Civil Engineering+39 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

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

BSE Engineering, Inc.

San Diego, CA

Mechanical, Electrical, and Plumbing Engineering Consultants

WebsitePhone1 office12 projects6 leadersFounded 1962Updated Jun 2026

Project: Sharp Chula Vista Emergency Department Transformation

Service: Mechanical EngineeringService: HVAC DesignService: Indoor Air Quality SystemsIndustry: HealthcareIndustry: AviationType: MEP+30 more

Bay Area Geotechnical Group

San Jose, CA

Geotechnical and environmental engineering solutions that balance cost and risk.

WebsitePhone1 office7 credentialsFounded 1988Updated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Geotechnical Feasibility StudiesIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+25 more

Bethel Engineering & Consulting

Bethel, AK

Bethel Engineering & Consulting is an environmental consulting and engineering subsidiary of the Bethel Native Corporation (BNC), an Alaska Native Corporation founded in 1973. Operating as part of BNC's integrated family of companies, Bethel Engineering provides a broad range of professional consulting services in environmental science and engineering, including environmental assessment and investigation, environmental compliance, and environmental engineering. It serves federal clients including the FAA, US Air Force, US Army, US Navy, US Coast Guard, Army and Air National Guard, and Bureau of Land Management. BNC subsidiaries are headquartered in Anchorage, Alaska with strategic presences in San Diego and Seattle, and operate throughout North America and select locations in Asia and Europe.

Website4 officesFounded 1973Updated Jun 2026

Service detail: Engineering & Environmental Consulting

Service: Engineering & Environmental ConsultingService: Environmental Assessment & InvestigationService: Environmental ComplianceIndustry: FederalIndustry: DefenseType: Environmental Engineering+17 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

Blue Ocean Civil Consulting

Oceanside, CA

Your success is our success.

WebsitePhone3 offices7 projects2 leaders2 credentialsUpdated Jun 2026

Project: Kunia Country Farms

Service: Stormwater ManagementService: Stormwater Planning and ProgrammingService: Watershed Management and PlanningIndustry: AutomotiveIndustry: DefenseType: Civil Engineering+73 more

Bridge View Resources, LLC

Vacaville, CA

Optimized and Sustainable Infrastructure Systems

WebsitePhone1 office3 projects4 leaders1 publicationsFounded 2007

Project: 2 Million Square Foot Processing Facility Electrical Coordination and Load Study

Service: Water & Wastewater System EngineeringService: Utility System Privatization & AcquisitionService: Intergovernmental Service Agreements (IGSA)Industry: DefenseIndustry: FederalType: Power & Utility Engineering+27 more

Butler Engineering Group, Inc.

Redding, CA

Complete Engineering Services

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Roadway DesignService: Drainage DesignIndustry: CommercialIndustry: EducationType: Civil Engineering+99 more

C2 Consulting Collective

San Diego, CA

Mobility & Technology in Transportation

WebsitePhone1 office3 projects4 leaders5 credentialsSize Estimate: 1-10 employees

Project: Petco Park Gallagher Square 20th Anniversary

Service: Transportation Planning and EnvironmentalService: Vehicle Miles Traveled AnalysisService: CEQA and NEPA SupportIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+56 more

CWE Engineering

Fullerton, CA

Create a Better Tomorrow, Today.

WebsitePhone4 offices6 projects12 leaders2 credentialsFounded 2006

Project: Valley Boulevard Pedestrian Improvements

Service: Civil EngineeringService: Street and Roadway ImprovementsService: Water Main ReplacementIndustry: GovernmentIndustry: CommercialType: Civil Engineering+34 more

Chen Ryan Associates, Inc.

San Diego, CA

Innovative Mobility Solutions For Our Changing World

WebsitePhone2 officesFounded 2011Size Estimate: 50-100 employeesUpdated Jun 2026

Service detail: Civil and Traffic Engineering Design

Service: Civil and Traffic Engineering DesignService: Park and Recreation DesignService: Bicycle and Pedestrian DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+36 more

Chow Engineering, Inc.

Oakland, CA

Providing Engineering, Construction, and PM Services to Private and Public Entities

Website1 office4 projects5 leaders1 credentialsFounded 1991Size Estimate: 10-50 employees

Project: AC Transit On-Call Engineering and Facilities Support

Service: Design-Build Facilities EngineeringService: Industrial Processing SystemsService: Facility RefurbishmentIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+25 more

CoolSys Energy Design

Princeton, NJ

Engineering Solutions That Power Your Bottom Line.

WebsitePhone3 offices8 projects7 leaders9 credentialsSize Estimate: 100-250 employees

Project: Atrium Palace Condominiums

Service: Mechanical and HVAC EngineeringService: Heating, Ventilation, and Air Conditioning SystemsService: Chiller and Boiler Central PlantsIndustry: CommercialIndustry: RetailType: Automation & Controls+48 more

Cooper Preuit Engineers, Inc.

San Jose, CA

Mechanical and electrical engineering for buildings, industrial facilities, and process systems

WebsitePhone1 officeFounded 1986Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: Domestic PlumbingIndustry: SemiconductorsIndustry: ManufacturingType: MEP+24 more

Counsilman-Hunsaker

St. Louis, MO

Aquatics for Life

WebsitePhone4 offices7 projects2 credentials2 publicationsFounded 1970

Project: O'Neil Park Pool

Service: Aquatic DesignService: Aquatic architectural designService: Pool systems engineeringIndustry: GovernmentIndustry: EducationType: Water / Wastewater Engineering+22 more

Currier & Company, Inc.

Los Angeles, CA

Reliable engineering and consulting services by experienced professionals.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Fuel Facility Design & ConstructabilityService: Aviation Fueling & Hydrant SystemsIndustry: AviationIndustry: AirportsType: Civil Engineering+37 more

DECON Environmental, Inc.

Scotts Valley, CA

Professional engineering, environmental assessment, and industrial hygiene services

WebsitePhone1 office11 projects7 credentialsUpdated Jun 2026

Project: Air Discharge Permitting for 300,000-Gallon Per Day Wastewater Treatment Plant

Service: Demolition Environmental ServicesService: Preparation and Presentation of Demolition Environmental PlansService: Demolition PermittingIndustry: Land DevelopmentIndustry: Food & BeverageType: Environmental Engineering+45 more

Davenergy Solutions

San Diego, CA

Comprehensive engineering, commissioning, and facility support services

WebsitePhone8 offices1 projects4 leaders1 credentialsFounded 2009

Project: Construction Management Services at VA Palo Alto

Service: Design and EngineeringService: Mechanical System DesignService: Electrical Infrastructure DesignIndustry: FederalIndustry: DefenseType: MEP+31 more

Decision Technologies, Inc.

Arlington, VA

Decision Technologies, Inc. is a defense engineering and intelligence services provider headquartered in Arlington, Virginia. Founded in 2003, it delivers systems engineering, program management, in-service engineering, equipment repair, research and development, test and evaluation, and intelligence support to the Department of Defense and federal agencies. It provides specialized support for naval radar and missile programs across multiple directorates of the Program Executive Office Integrated Warfare Systems (PEO IWS), including AEGIS, Above Water Sensors, Surface Ship Weapons, and Ship Self-Defense Systems (SSDS). Additionally, it supports NSWC Crane and NSWC Port Hueneme, alongside strategic and policy programs for the Office of the Undersecretary of Defense for Intelligence (OUSD(I)).

WebsitePhone5 offices2 projects8 leaders6 credentialsFounded 2003

Project: Naval Surveillance Radar Engineering and Logistics Support Services

Service: Systems EngineeringService: Performance & Requirements AnalysisService: Trade Studies & Risk AssessmentIndustry: DefenseIndustry: FederalType: Defense Engineering+27 more