Public engineering firm directory

Find engineering consulting firms by capability and location.

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A.T.E. Solutions, Inc.

El Segundo, CA

When All Systems Must be Ready to Go

WebsitePhone2 offices1 projects
Service: Test Engineering ConsultingService: Automated Test Equipment SelectionIndustry: ElectronicsType: Electrical Engineering+25 more

A2e Technologies

San Diego, CA

Electronic Design Built for Critical Programs

WebsitePhone1 office9 projects
Service: Electronics Design ServicesService: Hardware DesignIndustry: DefenseType: Electrical Engineering+26 more

AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publications
Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentIndustry: ElectronicsType: Electrical Engineering+40 more

AFuzion Inc.

Carlsbad, CA

When Safety Is Critical.

WebsitePhone1 office1 projects
Service: Safety-Critical EngineeringService: Aviation Systems EngineeringIndustry: AviationType: Aerospace Engineering+33 more

Alico Systems, Inc.

San Diego, CA

Alico Systems is an innovative product development practice that designs solutions for consumer, industrial, government, and military markets. Its expertise spans mobile wireless computing platforms for image, voice, video, and data communications, alongside phased array beam steered antennas, RF transceivers, microprocessor and FPGA electronics, and wireless sensor networks for remote monitoring and control. Key systems include mobile satellite communications terminals, VoIP PBX systems, broadband wireless networks, and motion sensor platforms.

WebsitePhone1 office1 projects
Service: Systems EngineeringService: Communications and Network EngineeringIndustry: DefenseType: Electrical Engineering+28 more

Ansync Inc

El Dorado Hills, CA

Innovation to Implementation

Website1 officeUpdated Jun 2026
Service: R&D Product DesignService: Custom Hardware DevelopmentIndustry: RoboticsType: Electrical Engineering+14 more

Cogenia Partners, LLC

Petaluma, CA

Complete, Correct, Consistent

WebsitePhone1 office2 leaders
Service: Systems EngineeringService: System Design and AnalysisIndustry: TransportationType: Transportation Engineering+13 more

Cold Spring Engineering, LLC

Santa Barbara, CA

Engineering Services, Software, Hardware, Systems

WebsitePhone1 officeFounded 2002
Service: Engineering ServicesService: Software EngineeringIndustry: DefenseType: Aerospace Engineering+18 more

Compass Systems, Inc.

Lexington Park, MD

American Precision for Mission-Ready Technologies

WebsitePhone10 offices4 leaders
Service: Research and DevelopmentService: AI-Enabled Decision SupportIndustry: DefenseType: Defense Engineering+29 more

Complete Project Solutions, Inc.

Pasadena, CA

Engineering project vision into reality

WebsitePhone2 officesUpdated Jun 2026
Service: Civil EngineeringService: Site DevelopmentIndustry: CommercialType: Civil Engineering+56 more

Custom Silicon Solutions, Inc.

Irvine, CA

Empowering Success Through Custom ASICs

WebsitePhone1 office7 projects
Service: Turnkey ASIC DevelopmentService: High-Voltage IC DesignIndustry: IndustrialType: Electrical Engineering+15 more

D4C Product Development Inc.

San Diego, CA

D4C Product Development is a San Diego-based engineering and product development practice that guides hardware products from concept to market. It integrates mechanical, electrical, and software engineering with industrial design, prototyping, and manufacturing support, serving consumer electronics, IoT devices, environmental technology, and public safety markets.

WebsitePhone1 office13 projects
Service: Design & Research StrategyService: Product Requirements DefinitionIndustry: ElectronicsType: Mechanical Engineering+38 more

DVK Integrated Services

San Jose, CA

You Ask, We Deliver

WebsitePhone1 officeFounded 1984
Service: PCB Layout and DesignService: High Density SMT and BGA DesignsIndustry: ElectronicsType: Electrical Engineering+20 more

Difftronic, LLC

Los Angeles, CA

Embedded Hardware Design Services

Website1 officeUpdated Jun 2026
Service: Embedded Hardware DesignService: Harness DesignIndustry: ElectronicsType: Electrical Engineering+12 more

Epsilon Systems Solutions, Inc.

San Diego, CA

Epsilon Systems Solutions, Inc. is a defense engineering and technical services provider headquartered in San Diego, California, with facilities in Portsmouth, Virginia, Mayport, Florida, and Pearl Harbor, Hawaii. Epsilon Systems provides marine engineering and ship repair for all classes of U.S. Navy vessels, C5ISR systems engineering and intelligence support, manufacturing of advanced military and commercial products, and technical services including geospatial analysis, environmental compliance, and simulation training. Operating over 125,000 square feet of repair, modernization, and manufacturing facilities near major U.S. Navy homeports, Epsilon Systems holds SUBSAFE certification on all classes of submarines and serves the U.S. Navy, NAVAIR, NAVSEA, and the broader national security community.

Website5 offices12 credentialsUpdated Jun 2026
Service: Navy Ship Repair and ModernizationService: SUBSAFE Submarine Modernization and RepairIndustry: DefenseType: Defense Engineering+32 more

FOMS Inc.

San Diego, CA

Manufacturing commercial products in a microgravity environment.

WebsitePhone1 officeSize Estimate: 1-5 employees
Service: Space-Based Fiber Manufacturing SystemsService: Microgravity Fiber Optic FabricationIndustry: AerospaceType: Mechanical Engineering+9 more

Function Engineering

Palo Alto, CA

Mechanical engineering and design for new product development

WebsitePhone4 offices1 credentials
Service: Product DevelopmentService: Conceptual DesignIndustry: Consumer ProductsType: Mechanical Engineering+32 more

Hummingbird Aero LLC

Irvine, CA

Safety-critical flight control and vehicle systems engineering for aerospace and defense

WebsitePhone1 office4 projects
Service: Aircraft Actuation SystemsService: Electro-Mechanical ActuationIndustry: AerospaceType: Aerospace Engineering+21 more

Ideaz

Glastonbury, CT

Innovative product design and engineering

WebsitePhone3 offices5 projects
Service: StrategyService: ResearchIndustry: Medical DevicesType: Electrical Engineering+13 more

Independence Automation LLC

San Francisco, CA

Competence, without compromise

WebsitePhone1 officeUpdated Jun 2026
Service: Industrial Automation SolutionsService: Embedded Systems and Software DevelopmentIndustry: IndustrialType: Automation & Controls+18 more

Innovative Engineering Solutions Inc

Murrieta, CA

Design, Analysis, Fabrication, Testing

WebsitePhone1 office1 credentials
Service: Product Design and DevelopmentService: Concept and Detail DesignIndustry: AerospaceType: Aerospace Engineering+52 more

Integrated Consultants Inc

San Diego, CA

Design to Reality

WebsitePhone1 office1 leaders
Service: Electrical and Mechanical EngineeringService: Reverse EngineeringIndustry: DefenseType: Electrical Engineering+7 more

Ken Crocker Consulting, Inc.

San Diego, CA

Ken Crocker Consulting, Inc. is a San Diego, California electronic engineering firm providing hardware, firmware, and systems engineering design services. Ken Crocker Consulting, Inc. specializes in VHDL FPGA design, high-speed digital and low-noise analog circuit design, and firmware development from concept through preproduction.

WebsitePhone1 office1 leaders
Service: Electronic Hardware DesignService: VHDL FPGA DesignIndustry: ElectronicsType: Electrical Engineering+6 more

Ledin Engineering, Inc.

Camarillo, CA

Embedded System Development and Test

WebsitePhone1 officeSize Estimate: 1-5 employees
Service: Embedded Software DevelopmentService: Hardware-Software System DesignIndustry: DefenseType: Software Engineering+10 more