Public engineering firm directory

Find engineering consulting firms by capability and location.

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Accurate Group, Inc.

Lincolnshire, IL

A solution-oriented international organization experienced in engineering and IT services.

Website1 office7 projectsFounded 1994Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Grand Ave. Ramp Reconstruction

Service: Civil EngineeringService: Land Development and Real Estate SupportService: Infrastructure Planning and OversightIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more

Ad hoc Research Associates LLC

Belcamp, MD

AI You Can Trust When Failure Isn't an Option

Website2 offices6 projectsUpdated Jun 2026

Project: Adaptive Cyber Range Control for White Cell Operations

Service: Digital Twin OperationsService: Mission & Network Digital TwinsService: Mixed-Fidelity EnvironmentsIndustry: DefenseIndustry: TelecommunicationsType: Software Engineering+15 more

Bravura Information Technology Systems, Inc.

Aberdeen, MD

Innovation delivered

Website1 office1 projects4 leaders1 credentialsFounded 2014Updated Jun 2026

Project: AT&T FirstNet Field & Flight Operations

Service: Persistent Surveillance SystemsService: Tethered Aerostat Systems (TAS)Service: Tactical Aerial Surveillance SustainmentIndustry: DefenseIndustry: FederalType: Defense Engineering+24 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

Mission Peak

Expert contingent workforce consulting to enhance your engineering workforce and optimize project outcomes.

WebsiteUpdated Jun 2026

Service detail: RF and Antenna Engineering

Service: RF and Antenna EngineeringService: Radio Frequency DesignService: Custom Antenna DesignIndustry: ElectronicsIndustry: TelecommunicationsType: Electrical 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

Planet Defense LLC

Fairfax, VA

Digital transformation, cybersecurity, and smart city solutions for government and commercial clients worldwide.

WebsitePhone1 office4 projects1 leadersUpdated Jun 2026

Project: Virginia Smart Community Testbed

Service: CybersecurityService: Risk and Vulnerability AssessmentsService: Industrial Control Systems SecurityIndustry: FederalIndustry: GovernmentType: Software Engineering+67 more

Spartek Engineering

Let's Make Things Better

WebsiteUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Structured ProcessesService: Field Deployment EngineeringIndustry: DefenseIndustry: FederalType: Software Engineering+32 more

Strategic Enterprise Solutions Corporation

Warner Robins, GA

Quality Support For Our Warfighters, On Time, Every Time

WebsitePhone1 office1 credentialsFounded 2007Updated Jun 2026

Service detail: Systems Engineering Services

Service: Systems Engineering ServicesService: Architecture and DesignService: Systems Integration & TestingIndustry: DefenseIndustry: FederalType: Defense Engineering+16 more

SunStone Technical Group, LLC

SunStone Technical Group, LLC is a technical services company providing systems engineering and design, rapid prototyping and fabrication, marine maintenance and repair, integrated logistics support, hardware and software design, IT services, data analytics, model-based systems engineering, and operations support for defense, government, and commercial customers. Its engineers and technicians support structural, mechanical, electrical, C5ISR, marine, network, and secured systems work.

WebsiteUpdated Jun 2026

Service detail: Systems Engineering and Design

Service: Systems Engineering and DesignService: Requirements and Feasibility StudiesService: Modeling and SimulationIndustry: DefenseIndustry: MarineType: Defense Engineering+23 more

TCB Engineers

Specialized Electronic Design, Systems Integration, and Test Engineering

Website4 projects1 leaders2 credentialsSize Estimate: 1-4 employeesUpdated Jun 2026

Project: RF Welder Product Refresh

Service: Systems EngineeringService: Concept of Operations (ConOps) & RequirementsService: Sensor Design, Interface & ConditioningIndustry: AerospaceIndustry: DefenseType: Automation & Controls+26 more

TSATEK

Systems Engineering, IT Modernization, and Financial Investment Services

WebsiteUpdated Jun 2026

Service detail: Financial Investment Services

Service: Financial Investment ServicesService: Portfolio and Asset ManagementService: Derivatives Trading AdvisoryIndustry: GovernmentIndustry: FederalType: Software Engineering+23 more

Tactical Engineering & Analysis, Inc.

San Diego, CA

Achieving sustained excellence in providing quality system and software engineering services - one client at a time

WebsitePhone2 offices9 leaders1 credentialsFounded 1998Updated Jun 2026

Service detail: Tactical Data Link Interoperability

Service: Tactical Data Link InteroperabilityService: MILSTD Compliance & TroubleshootingService: TDL Certification & AccreditationIndustry: DefenseIndustry: FederalType: Defense Engineering+21 more

Tech USA Government Solutions, LLC

Millersville, MD

Innovative Technology, Communications and Security Solutions

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Information Technology

Service: Information TechnologyService: Desktop and Help Desk SupportService: Network Architecture and EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+31 more

Trinity Wireless Solutions

Fort Mill, SC

Wireless engineering consultation, system design, and ERCES performance testing

WebsitePhone1 office2 projects2 leaders2 credentialsFounded 2022

Project: Freight Rail Tunnel Project

Service: ERCES Design, Commissioning and TestService: ERCES Uplink and Downlink RF Cascade AnalysisService: Cable and Antenna ValidationIndustry: TelecommunicationsIndustry: Public SafetyType: Telecom / RF Engineering+20 more

Woodsong Technologies, LLC

Annapolis Junction, MD

Innovation, Experience, Commitment, Integrity

WebsitePhone1 office1 projectsFounded 2018Size Estimate: 10-49 employeesUpdated Jun 2026

Project: WTPLA100 Power Line Adapter Development

Service: WT ConsultingService: Technical Surveillance CountermeasuresService: TEMPEST EngineeringIndustry: DefenseIndustry: GovernmentType: Electrical Engineering+23 more

YarCom Inc.

Incline Village, NV

Celebrating 25+ years of service to our clients

WebsitePhone1 officeFounded 1998Updated Jun 2026

Service detail: Electrical and Electronic Engineering

Service: Electrical and Electronic EngineeringService: Power Systems EngineeringService: Electronic Hardware EngineeringIndustry: GovernmentIndustry: SolarType: Electrical Engineering+20 more

onBoresight Research LLC

Lihue, HI

onBoresight Research LLC is an engineering services organization headquartered in Lihue, Hawaii, providing systems engineering, cybersecurity, hardware modernization, and software development for government test ranges and forward-deployed defense assets. Its technical staff includes electrical, mechanical, and civil engineers, as well as architects with expertise in radar systems, RMF cybersecurity accreditation, FPGA integration, and model-based systems engineering. The organization supports mission planning, operations and maintenance, system performance evaluation, and radar operator training specific to MIT Lincoln Laboratory ROSA and WB-COSIP radar systems.

WebsitePhone1 officeSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: RMF Cybersecurity

Service: RMF CybersecurityService: System Architecture RestructuringService: Vulnerability Scanning & HardeningIndustry: GovernmentIndustry: FederalType: Defense Engineering+30 more

vigilant.engineering

Seattle, WA

Many engineering firms build hardware. We build operational impact.

Website1 office2 leadersFounded 2025Updated Jun 2026

Service detail: Concept & Architecture Development

Service: Concept & Architecture DevelopmentService: Concept DevelopmentService: Architecture DevelopmentIndustry: DefenseIndustry: Intelligence & National SecurityType: Electrical Engineering+32 more