Public engineering firm directory

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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

AeroShield Consulting

Tucson, AZ

Expert Counter-UAS Consulting Services

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Threat Assessment & Risk Analysis

Service: Threat Assessment & Risk AnalysisService: Technology Evaluation & ProcurementService: System Selection & IntegrationIndustry: GovernmentIndustry: DefenseType: Defense Engineering+18 more

Allied Companies L L C

Washington, DC

Program Integration for Complex Infrastructure at Scale.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Environmental Consulting

Service: Environmental ConsultingService: Addressing Regulatory RequirementsService: Sustainability Challenges To Mitigate ImpactIndustry: WastewaterIndustry: Water SupplyType: Environmental Engineering+26 more

Altagrove LLC

Herndon, VA

Built for speed. Engineered to deliver.

WebsitePhone3 offices6 projects7 credentialsUpdated Jun 2026

Project: Missile Defense Agency SHIELD IDIQ

Service: CyberService: Cyber Security EngineeringService: Risk Management Framework (RMF) ComplianceIndustry: DefenseIndustry: Intelligence & National SecurityType: Software Engineering+24 more

Argo Navis Technologies

Together We Succeed

WebsiteUpdated Jun 2026

Service detail: Professional Services

Service: Professional ServicesService: Cybersecurity & ComplianceService: Operations & LogisticsIndustry: AerospaceIndustry: TelecommunicationsType: Software Engineering+29 more

Aries Aero Systems LLC

Aerospace Product Certification Consultants

WebsiteUpdated Jun 2026

Service detail: FAA Certification and DER Services

Service: FAA Certification and DER ServicesService: Certification Plan DevelopmentService: FAA Liaison ServicesIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+26 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

Aumakua Technical Solutions, LLC

Glen Burnie, MD

Bridging the Gap Between Operations and Technology

WebsitePhone1 office2 projects4 leaders2 credentialsUpdated Jun 2026

Project: Special Operations Command (SOCOM) Targeting and Training Element (STTE) Contract

Service: Systems Integration & TestingService: Radio Frequency Engineering & OperationsService: System Integration & TestingIndustry: DefenseIndustry: FederalType: Defense Engineering+19 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

Brett LLC

Bristow, VA

Information Technology Consulting

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Systems and Software Engineering

Service: Systems and Software EngineeringService: Net-Centric Data InteroperabilityService: Systems Engineering and ValidationIndustry: FederalIndustry: DefenseType: Software Engineering+27 more

C6I Services Corp

The art of command balanced with the science of control.

WebsiteUpdated Jun 2026

Service detail: Command & Control Systems

Service: Command & Control SystemsService: Network SupportService: Software Sustainment ProgramsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+35 more

CR Access Consulting, LLC

Virginia Beach, VA

Tailored Solutions for Government and Industry Excellence

WebsitePhone1 office3 projects2 leaders6 credentialsFounded 2011

Project: OASIS+ Contract Bid Support

Service: Project and Program ManagementService: Resource ManagementService: Scope and Objective DevelopmentIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more

Cabin Digital LLC

Engineering, systems development lifecycle support, and enterprise architecture services.

Website3 projects3 credentialsUpdated Jun 2026

Project: Threat Vector Management (TVM) Environment

Service: Systems EngineeringService: Systems Engineering Technical AssistanceService: System Test and DeploymentIndustry: DefenseIndustry: Intelligence & National SecurityType: Software Engineering+23 more

Craig Technologies

Merritt Island, FL

Because It's All About The Mission(R)

Website1 office2 projects8 leaders3 credentialsFounded 1999Size Estimate: 100-499 employees

Project: Scalable Homeland Innovative Enterprise Layered Defense (SHIELD) Contract

Service: Design EngineeringService: Multidisciplinary EngineeringService: Systems Engineering and IntegrationIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+31 more

CybiTech, Inc.

Revolutionizing products and services for the future

WebsiteUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Project Planning and SchedulingService: Budgeting and Resource AllocationIndustry: FederalIndustry: GovernmentType: Software Engineering+21 more

DTCubed

Sewell, NJ

Bridging strategy, technology, and mission

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Digital Transformation and Acquisition

Service: Digital Transformation and AcquisitionService: Defense Acquisition SupportService: Modernization Strategy and TacticsIndustry: DefenseIndustry: FederalType: Defense Engineering+10 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

Element 29 LLC

Tampa, FL

Multidisciplinary engineering for industrial, energy, and mission-critical systems.

WebsitePhone1 office19 projects1 leaders2 credentialsUpdated Jun 2026

Project: 20.5 MGD Reverse Osmosis System

Service: Process and Chemical EngineeringService: Process flow diagrams and P&IDsService: Mass and energy balancesIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+108 more

GCI Inc.

Reston, VA

Providing exceptional consulting and operational solutions that drive mission success

WebsitePhone1 office4 leadersFounded 1989Updated Jun 2026

Service detail: Targeting & Analysis

Service: Targeting & AnalysisService: Data FusionService: Geospatial AnalysisIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+17 more

GreenDart Incorporated

Long Beach, CA

GreenDart delivers superior program savings to U.S. government mission-critical system development efforts, focusing on environments where risk reduction yields significant program cost savings. The practice provides Test and Evaluation (T&E), Verification and Validation (V&V), Cybersecurity Assessments, Data Analytics, and Systems Engineering and Integration (SE&I) services, operating either as an independent assessment team or embedded directly with development teams. GreenDart holds a GSA Multiple Award Schedule contract vehicle and has delivered advanced engineering services to agencies including DHS Customs and Border Protection, the USAF Space and Missile Systems Center, and the DHS Science and Technology Directorate.

WebsitePhone1 office3 projects1 leaders2 credentialsUpdated Jun 2026

Project: DHS Customs and Border Protection T&E Services

Service: Test and EvaluationService: Developmental Testing and AnalysisService: Operational Phase TestingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+25 more

H2L Solutions Inc.

Huntsville, AL

Your Trusted Partner in Cybersecurity

Website1 office2 projects1 leadersFounded 2014Updated Jun 2026

Project: Federal AEC Cybersecurity Projects

Service: Cybersecurity Risk Assessment and ManagementService: Penetration Testing and Vulnerability AssessmentService: RMF and Authorization SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+18 more

HA Design Group LLC

HA Design Group LLC is an engineering and systems integration provider specializing in broadcast media, audiovisual, electronic security, and information technology systems. It delivers turnkey design, engineering, and integration services for broadcasting companies, government agencies, corporate facilities, and media entertainment venues.

Website12 projectsUpdated Jun 2026

Project: NPR Entrance

Service: Media Engineering & IntegrationService: AV Engineering & IntegrationService: Electronic Security EngineeringIndustry: TelecommunicationsIndustry: FederalType: Electrical Engineering+14 more

Hager Development Group, LLC

Virginia Beach, VA

By Skill & Valor

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering and Technical Services

Service: Engineering and Technical ServicesService: Systems engineeringService: Operational test and evaluationIndustry: DefenseIndustry: FederalType: Defense Engineering+30 more

Infra Tech Engineering, LLC

New York, NY

Let Us Show You How.

WebsitePhone1 office6 projects2 leaders1 credentialsFounded 1983

Project: NYSDOT - Route 347 Reconstruction

Service: Traffic and Transportation EngineeringService: Traffic Signal Design and AnalysisService: Transportation Management PlansIndustry: TransitIndustry: TransportationType: Civil Engineering+33 more