Public engineering firm directory

Find engineering consulting firms by capability and location.

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AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AFuzion Inc.

Carlsbad, CA

When Safety Is Critical.

WebsitePhone1 office1 projects1 credentialsFounded 1989Size Estimate: 50-100 employees

Project: Applied Avionics DCU120 DAL A Certification Support

Service: Safety-Critical EngineeringService: Aviation Systems EngineeringService: Aviation Software EngineeringIndustry: AviationIndustry: AerospaceType: Aerospace Engineering+31 more

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

Applied Engineering Services, Inc.

Ridgway, CO

We Know How

WebsitePhone3 officesFounded 1992Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Mechanical System DesignService: HVAC Systems DesignIndustry: AerospaceIndustry: NuclearType: 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

Artemis Consulting, LLC

San Diego, CA

Professional support services for defense acquisition programs, systems, and processes

WebsitePhone1 office2 projects1 leadersFounded 2005Size Estimate: 100-499 employees

Project: PEO C4I Financial Management Enterprise Contract

Service: Financial ManagementService: Financial Management & ComplianceService: Accounting ServicesIndustry: DefenseIndustry: FederalType: Defense Engineering+11 more

Aunautic Technologies, LLC

National City, CA

Engineering Excellence for Mission Critical Systems

WebsitePhone1 office1 leaders1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Requirements Analysis and TraceabilityService: Systems ArchitectureIndustry: DefenseIndustry: FederalType: Defense Engineering+19 more

BA Inc.

Los Angeles, CA

BA Inc. provides transportation-related professional engineering design and consulting services to public agencies and private developers. Established in 2004, its practice focuses on drainage and utility design, subsurface utility engineering, encroachment permitting, third-party utility coordination, and construction or project management.

Website1 office3 projectsFounded 2004Updated Jun 2026

Project: LACMTA Projects

Service: Civil EngineeringService: Drainage DesignService: Stormwater ManagementIndustry: TransportationIndustry: GovernmentType: Civil Engineering+15 more

Blue Sky Scientific LLC

San Diego, CA

Delivering creative solutions to your hardest problems

Website1 office6 projectsFounded 2006Updated Jun 2026

Project: Boxing Tracking Broadcast Technology

Service: Embedded Systems EngineeringService: Firmware and Operating System DevelopmentService: Custom PCB and Hardware DesignIndustry: CommercialIndustry: Consumer ProductsType: Automation & Controls+16 more

Brandes Associates, Inc.

Lone Tree, CO

Breadth. Agility. Innovation.

WebsitePhone2 officesFounded 1990Updated Jun 2026

Service detail: Agile Software Development

Service: Agile Software DevelopmentService: Agile Release Train IntegrationService: Microservices Architecture & OrchestrationIndustry: GovernmentIndustry: DefenseType: Defense Engineering+27 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

Celeris Systems, Inc.

Anaheim, CA

Your Mission, Our Purpose

WebsitePhone3 offices1 leaders1 credentialsFounded 2005Updated Jun 2026

Service detail: Engineering & Mission Integration Services

Service: Engineering & Mission Integration ServicesService: Systems EngineeringService: Integration & TestIndustry: DefenseIndustry: AerospaceType: Defense Engineering+20 more

Centurum

McLean, VA

End-to-End Life Cycle Solutions for Defense and Federal Networks

WebsitePhone5 offices3 projects1 credentialsFounded 2004Size Estimate: 400+ employees

Project: AN/USQ-82(V) Data Multiplex System (xDMS) Engineering Support

Service: Cybersecurity and Information AssuranceService: CMMC Level 2 ComplianceService: Integrated Product SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+22 more

Coastal Grid Inc

San Luis Obispo, CA

Engineering The Grid Of Tomorrow

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Design and Project Engineering

Service: Design and Project EngineeringService: Electrical Substation Design, Drafting, and Project ManagementService: Project Design and Print PackagesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Automation & Controls+27 more

Compass Systems, Inc.

Lexington Park, MD

American Precision for Mission-Ready Technologies

WebsitePhone10 offices4 leaders2 credentialsFounded 1997Updated Jun 2026

Service detail: Research and Development

Service: Research and DevelopmentService: AI-Enabled Decision SupportService: Augmented Reality and TrainingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+27 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

Cutting Edge Communications, LLC

Huntington Beach, CA

Providing Multi-Domain, Multidisciplinary Expertise for Programs of Critical National Value.

Website1 office6 leaders1 credentialsFounded 1998Size Estimate: 100+ employeesUpdated Jun 2026

Service detail: Mission Engineering

Service: Mission EngineeringService: Product DeliveryService: Team AugmentationIndustry: DefenseIndustry: AerospaceType: Defense Engineering+11 more

Cypher Analytics

San Diego, CA

Driving Smart Decisions. Delivering the Outcomes You Need.

WebsitePhone2 offices1 leaders1 credentialsFounded 2004Updated Jun 2026

Service detail: Management Consulting

Service: Management ConsultingService: Program ManagementService: Financial ManagementIndustry: DefenseIndustry: FederalType: Defense Engineering+13 more

D3 Technologies Inc

San Diego, CA

High-quality engineering services and support

Website1 office2 credentialsFounded 1982Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Structures Design and Solid ModelingService: Critical Structures EngineeringIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+65 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

Dav-Lear Systems, Inc.

Diamond Bar, CA

Dav-Lear Systems, Inc. provides information technology, telecommunications, product engineering, systems engineering, and administrative support services. Founded in 1992 and headquartered in Diamond Bar, California, it serves federal, state, and local government agencies, defense contractors, and Fortune 500 corporations, with key clients including Northrop Grumman, Lockheed Martin, Raytheon, and NASA's Jet Propulsion Laboratory.

Website4 offices4 projectsFounded 1992Updated Jun 2026

Project: Desktop Network Support

Service: Software EngineeringService: Software Development and ManagementService: Software Estimating and CostingIndustry: DefenseIndustry: FederalType: Software Engineering+31 more

Design West Engineering

San Bernardino, CA

Engineering Excellence Since 2000

WebsitePhone2 offices12 projects11 leaders12 credentials1 publications

Project: SBCUSD Páxam Páxam Welcome Center

Service: Mechanical EngineeringService: Central utility plant engineeringService: HVAC retrofits and equipment upgradesIndustry: EducationIndustry: Data CentersType: MEP+37 more

ECOM Engineering, Inc.

Sacramento, CA

Designing Solutions Today, to Support the Possibilities of Tomorrow

WebsitePhone1 office3 projects8 leadersFounded 1997Size Estimate: 10-49 employees

Project: Yolo County Administration Building

Service: Electrical Engineering Design & EvaluationService: Arc Flash Safety AnalysisService: Emergency Backup & UPS SystemsIndustry: CommercialIndustry: HealthcareType: Electrical Engineering+21 more