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.

Filters2

154 Tech LLC

Santa Barbara, CA

Advanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Technical Program Management

Service: Technical Program ManagementService: End-to-End Program ManagementService: Risk ManagementIndustry: DefenseIndustry: FederalType: Defense Engineering+28 more

A2e Technologies

San Diego, CA

Electronic Design Built for Critical Programs

WebsitePhone1 office9 projects8 credentialsUpdated Jun 2026

Project: 600W Power Factor Corrector

Service: Electronics Design ServicesService: Hardware DesignService: PCB Design and LayoutIndustry: DefenseIndustry: AerospaceType: Electrical Engineering+24 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects7 leadersFounded 2006Updated Jun 2026

Project: Reagan National Airport

Service: Planning & SchedulingService: CPM Schedule DevelopmentService: Schedule Analytics, Quality Control, and KPI AnalysisIndustry: InfrastructureIndustry: AirportsType: Owner's Engineer+29 more

Aurex

Huntsville, AL

Engineering the Edge of Possible

WebsitePhone6 offices2 projects18 leadersUpdated Jun 2026

Project: Heavy Demonstrator Mission

Service: Hypersonic Systems EngineeringService: Modeling and SimulationService: Engineering Design TradesIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+42 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

Boarhog LLC

San Diego, CA

Defense. Engineering. Innovation.

WebsitePhone3 offices4 projects4 leaders2 credentialsSize Estimate: 40 employees

Project: USS PINCKNEY (DDG-91) CANES Installation

Service: Systems Engineering and Technical Assistance (SETA)Service: Requirements and Test PlanningService: Integrated Logistics SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

C2 Group

San Diego, CA

A Modern Program Management Company

WebsitePhone2 offices2 projects1 credentialsUpdated Jun 2026

Project: San Diego Roadway As-Built Mapping

Service: Engineering and PM/CM ServicesService: Project ManagementService: Construction ManagementIndustry: InfrastructureIndustry: Electric UtilitiesType: Civil Engineering+24 more

Crystallogy Engineering

Pasadena, CA

We get stuff Done!

WebsitePhone1 office12 projects1 leaders7 credentialsUpdated Jun 2026

Project: Microgrid Energy Storage Solutions Design-Build

Service: Construction ManagementService: Construction PermittingService: Dispenser Upgrade, Calibration & CertificationIndustry: Renewable EnergyIndustry: Energy StorageType: Design-Build+16 more

Custom Silicon Solutions, Inc.

Irvine, CA

Empowering Success Through Custom ASICs

WebsitePhone1 office7 projectsFounded 1996Updated Jun 2026

Project: 6-Axis Inertial Motion Unit (MEMS Gyroscope)

Service: Turnkey ASIC DevelopmentService: High-Voltage IC DesignService: Sensors and MEMS InterfacingIndustry: IndustrialIndustry: Medical DevicesType: Electrical Engineering+13 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 projectsUpdated Jun 2026

Project: Big Dipper Point of Sale

Service: Design & Research StrategyService: Product Requirements DefinitionService: Concept Development & Product ArchitectureIndustry: ElectronicsIndustry: Consumer ProductsType: Mechanical Engineering+36 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

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

Encore Semi Inc

La Jolla, CA

Expert Analog, Mixed-Signal and Digital Design Services

Website1 office5 leadersFounded 2011Updated Jun 2026

Service detail: Semiconductor Design Services

Service: Semiconductor Design ServicesService: Analog and RF DesignService: Physical Design ImplementationIndustry: SemiconductorsIndustry: AerospaceType: Electrical Engineering+15 more

Green Expert Technology Inc.

Haddonfield, NJ

Helping Clients Reach Their Mission. Helping Employees Reach Their Goals.

WebsitePhone6 offices5 projects6 leaders6 credentialsUpdated Jun 2026

Project: Support for US Navy Machinery Control Systems on DDG 51 Class Ships

Service: Systems EngineeringService: Integrated Bridge & Navigation SystemsService: Steering & Ship Control SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more

JACAL LLC

Carson City, NV

We think solutions, until the end of the road.

WebsitePhone2 offices2 leadersFounded 2021Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Aerospace & Aeronautical EngineeringService: Systems Engineering & IntegrationIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+7 more

JSL Technologies, Inc.

Oxnard, CA

Excellence in Execution, Integrity in Partnership

WebsitePhone1 office2 projects1 leaders3 credentialsFounded 2008

Project: Land Attack Department Engineering Support

Service: Engineering ServicesService: Logistics SupportService: Program ServicesIndustry: DefenseIndustry: FederalType: Defense Engineering+7 more

Keysoft Systems, Inc.

San Diego, CA

Systems Engineering and Multi-Level Secure Software Development for Defense and Tactical Intelligence

Website1 office2 projects3 leadersFounded 2000Updated Jun 2026

Project: JCDX JOICAUST Installation

Service: Systems EngineeringService: Program Engineering ManagementService: Technical Risk AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+14 more

Nathan Kunes Incorporated

San Diego, CA

Advanced Defense Solutions for Complex Missions

WebsitePhone1 officeFounded 1998Updated Jun 2026

Service detail: Software Engineering

Service: Software EngineeringService: SDR SolutionsService: Embedded SystemsIndustry: GovernmentIndustry: DefenseType: Defense Engineering+20 more

Netzer-Russell Consulting, LLC

Ridgecrest, CA

Netzer-Russell Consulting, LLC provides engineering, information technology, and management services to government and commercial clients. Founded in February 2000, it focuses on network-centric warfare, test engineering, systems engineering, system and software development, and program management support, primarily serving the Naval Air Warfare Center Weapons Division.

Website1 officeFounded 2000Updated Jun 2026

Service detail: Acquisition Support

Service: Acquisition SupportService: Defense Acquisition AssistanceService: Program and Project Management SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+25 more

Phoenix Engineering Technologies

Cerritos, CA

Niche Aerospace Interiors and Systems Engineers

WebsitePhone1 officeFounded 2015Updated Jun 2026

Service detail: Aerospace Engineering

Service: Aerospace EngineeringService: Concept Design and Product DevelopmentService: Detailing, Drafting, and Sustaining EngineeringIndustry: AerospaceIndustry: AutomotiveType: Aerospace Engineering+66 more

Photon Ink, LLC

Rancho Cordova, CA

Optical, Thermal, Mechanical Design and Product Development for LED

Website1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Optical / Illumination Engineering

Service: Optical / Illumination EngineeringService: Non-Sequential Optical DesignService: Sequential Optical DesignIndustry: Medical DevicesIndustry: DefenseType: Mechanical Engineering+38 more

Pillar Consulting, Inc.

San Diego, CA

Modern and Sustainable Transportation Infrastructure

WebsitePhone1 office1 leaders6 credentials6 publicationsFounded 2002

Service detail: Intelligent Transportation Systems

Service: Intelligent Transportation SystemsService: Advanced Transportation Controller (ATC) EquipmentService: National Transportation Communications for ITS Protocol (NTCIP)Industry: TransportationIndustry: InfrastructureType: Transportation Engineering+18 more

Programs Management Analytics & Technologies, Inc.

Norfolk, VA

Enhancing Decision Dominance

WebsitePhone4 offices3 projects8 leaders7 credentialsFounded 2007

Project: Naval Surface Warfare Center Crane Division Contract

Service: Systems EngineeringService: Architecture DesignService: Systems Requirements DefinitionIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

Rudeen Technologies LLC

Poway, CA

Rudeen Technologies LLC is an engineering consulting firm based in Poway, California, specializing in electronic hardware design, communication system design, and technical project management. From system definition through commercial and military-grade electronics design and testing to mass production and life-cycle sustaining work, its engineers provide accurate, reliable solutions. Rudeen Technologies has extensive experience in Multimedia over Coax Alliance (MoCA) product design, satellite communication systems, and high-performance RF circuit design.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Electronic Hardware Design

Service: Electronic Hardware DesignService: Communication System DesignService: MoCA Product DesignIndustry: TelecommunicationsIndustry: DefenseType: Electrical Engineering+6 more