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.

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5FOLD Engineering

Seminole, FL

Precision Unfolded. Mission Ready.

WebsitePhone1 office2 projects
Service: Design EngineeringService: Design for Manufacturing & SustainabilityIndustry: DefenseType: Mechanical Engineering+34 more

ACSYeS Inc

Aberdeen Proving Ground, MD

Scientific and engineering consulting services for aerospace, defense, and commercial applications.

WebsitePhone2 officesUpdated Jun 2026
Service: Systems EngineeringService: Architecture DevelopmentIndustry: AerospaceType: Defense Engineering+25 more

ADAPT Technology

Auburn Hills, MI

Engineering from Concept to Production

WebsitePhone2 offices1 projects
Service: Engineering DesignService: CAD/CAE DesignIndustry: AerospaceType: Mechanical Engineering+29 more

ADDX Corporation

Alexandria, VA

Tenacious by Nature

WebsitePhone1 officeUpdated Jun 2026
Service: Engineering Readiness and Lifecycle SupportService: Digital Engineering LaunchpadIndustry: DefenseType: Defense Engineering+25 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

AFVET Solutions, LLC

Warner Robins, GA

Providing responsive, innovative solutions in aviation, engineering, logistics, and program management services.

WebsitePhone2 offices1 leaders
Service: Engineering SupportService: Systems Engineering and IntegrationIndustry: AviationType: Aviation Engineering+32 more

AM Pierce & Associates, Inc.

California, MD

AM Pierce & Associates, Inc. is a Maryland-based technical services company supporting Department of Defense customers with engineering, research, cyber, C5ISR, program, and acquisition capabilities. Its team works on sensor and data fusion, autonomy, unmanned systems, interoperability, systems engineering, modeling and simulation, warfare analysis, data links, electronic warfare, security systems engineering, and NAVAIR data fusion programs.

WebsitePhone2 offices3 leaders
Service: Engineering and ResearchService: Sensor and Data FusionIndustry: DefenseType: Defense Engineering+23 more

AMERICAN SYSTEMS Corporation

McLean, VA

Leaders by Performance.

WebsitePhone3 offices6 leaders
Service: Engineering and AnalysisService: Aerospace EngineeringIndustry: DefenseType: Defense Engineering+14 more

AMI Aero, LLC

Renton, WA

An Aerodynamics Legacy Since 1971

WebsitePhone1 office3 projects
Service: Aerodynamic EngineeringService: Aircraft Design & ConfigurationIndustry: AerospaceType: Aerospace Engineering+30 more

AMP Optics LLC

Blue-Sky to Reality

Website6 publicationsFounded 2010Updated Jun 2026
Service: Optical Design and EngineeringService: Advanced Optical DesignIndustry: AerospaceType: Electrical Engineering+28 more

ASG Solutions Corporation

San Diego, CA

ASG Solutions Corporation is a San Diego-based professional services provider supporting critical federal and military missions globally. It specializes in delivering tailored solutions across engineering, construction management, environmental services, information technology, and defense logistics.

WebsitePhone1 office10 projects
Service: Engineering ServicesService: Electrical EngineeringIndustry: DefenseType: Defense Engineering+25 more

ATCSI LLC

Chesapeake, VA

ATCSI LLC delivers specialized services and technical solutions in air traffic control systems integration, shipboard systems, manned and unmanned air systems, and air traffic control procedures and policy development. It provides program management, task-based curriculum development, technical training, information analysis, digital data services, systems engineering, and strategic project planning. With a workforce of subject matter experts, the team supports complex aerospace, defense, and maritime programs.

Website1 office2 projects4 leaders
Service: Air Traffic Control Systems IntegrationService: Air Traffic Control Procedure and Policy DevelopmentIndustry: DefenseType: Aerospace Engineering+21 more

AVIAN

Lexington Park, MD

We empower our people to do good and help others with simple solutions.

Website8 offices3 leaders1 credentials
Service: Test & EvaluationService: Test Program ManagementIndustry: DefenseType: Aerospace Engineering+18 more

AVID LLC

Advanced. Engineered. Solutions.

Website2 leadersFounded 2002Updated Jun 2026
Service: AerodynamicsService: CFD AnalysisIndustry: AerospaceType: Aerospace Engineering+20 more

AVT Simulation

Orlando, FL

Improving Readiness Through Training

WebsitePhone1 office4 projects
Service: Flight Simulator DevelopmentService: Rotary Wing TrainersIndustry: DefenseType: Defense Engineering+48 more

Achates Power, Inc.

San Diego, CA

Fundamentally Better Engines

WebsitePhone2 offices4 projects
Service: Opposed-Piston Engine Technology LicensingService: Engine Design LicensingIndustry: AutomotiveType: Mechanical Engineering+16 more

Ad hoc Research Associates LLC

Belcamp, MD

AI You Can Trust When Failure Isn't an Option

Website2 offices6 projectsUpdated Jun 2026
Service: Digital Twin OperationsService: Mission & Network Digital TwinsIndustry: DefenseType: Software Engineering+17 more

Adacel Systems, Inc.

Orlando, FL

Adacel Systems, Inc. supports aviation and defense customers from Orlando with air traffic management, digital tower, simulation, and training technology. Adacel combines REVAL digital ATC tower consulting, system design, development, deployment, and support; Aurora air traffic management system engineering, software development, test, and verification; MaxSim air traffic control simulation; and ICE aviation phraseology training tools.

WebsitePhone1 office3 credentials
Service: Digital ATC Tower SystemsService: Aerodrome System IntegrationIndustry: AviationType: Aviation Engineering+21 more

Advanced Automation Corporation

Rome, NY

Confidence in the Future: Emerging Technologies to Support the Warfighter

WebsitePhone1 office3 projects
Service: Systems EngineeringService: Requirements Definition and ManagementIndustry: AerospaceType: Defense Engineering+32 more

Advanced CFD Solutions, LLC

Oviedo, FL

Take your innovation to the next level with us

WebsitePhone1 office2 projects
Service: Modeling and SimulationService: Aerodynamic OptimizationIndustry: AerospaceType: Simulation Engineering+13 more

Advanced Research and Technology Corporation

Oxnard, CA

Innovations for a Better Tomorrow

WebsitePhone1 office3 projects
Service: Radar and Electronic Warfare SystemsService: Radar Cross Section Measurement and AnalysisIndustry: DefenseType: Defense Engineering+33 more

Advanced Sciences and Technologies

Advanced Sciences and Technologies delivers systems engineering, test and evaluation, software development, and systems integration services for mission-critical defense, aviation, aerospace, and naval programs. The practice supports major federal agencies including the FAA, Department of Defense, and Department of Homeland Security, providing advanced combat systems development, air traffic management support, and complex software integration.

Website2 projects4 leaders1 credentials
Service: Systems EngineeringService: Systems Engineering Services Focused On The DesignIndustry: FederalType: Defense Engineering+25 more

Advanced Systems Technology, Inc.

Lawton, OK

Advanced Systems Technology, Inc. (AST) delivers defense engineering and simulation solutions, drawing on over 39 years of experience supporting the Department of Defense. It specializes in Live, Virtual, Constructive, and Gaming (LVC-G) training domains, Command, Control, Communications, Computer, and Intelligence (C4I) systems, and training aids, devices, simulators, and simulations (TADSS).

WebsitePhone2 officesUpdated Jun 2026
Service: LVC-G Training Systems EngineeringService: Live, Virtual, and Constructive SimulationIndustry: DefenseType: Defense Engineering+14 more

Advanced Technology & Research Corporation

Beltsville, MD

Fifty Years of Engineering Excellence

WebsitePhone1 office2 projects
Service: Engineering ServicesService: Ship Signatures TechnologyIndustry: DefenseType: Defense Engineering+11 more