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

ASI Partners Inc.

Huntsville, AL

Engineering Capability and Talent for What Comes Next

WebsitePhone1 officeUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Architecture Development and MBSEService: System Integration and VerificationIndustry: DefenseIndustry: AerospaceType: Defense Engineering+20 more

Ansync Inc

El Dorado Hills, CA

Innovation to Implementation

Website1 officeUpdated Jun 2026

Service detail: R&D Product Design

Service: R&D Product DesignService: Custom Hardware DevelopmentService: Software DevelopmentIndustry: RoboticsIndustry: Automation & ControlsType: Electrical Engineering+12 more

Applied Science & Technologies, Inc.

Inman, SC

Partnership built on proof. Not promises.

WebsitePhone1 office2 projectsUpdated Jun 2026

Project: METEOR Technology Transfer and Business Development

Service: Joint C2 and Tactical Data LinksService: Command-and-Control Architecture DesignService: Tactical Data Link IntegrationIndustry: DefenseIndustry: FederalType: Defense Engineering+44 more

Armant LLC

Data-driven aerospace engineering modeling, simulation, and testing services.

Website5 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Modeling and Simulation

Service: Modeling and SimulationService: Multi-Physics SimulationService: CFD and Aerothermal SimulationIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+27 more

Casey Corp Defense LLC

Tulsa, OK

Mission Critical UxS Integration

WebsitePhone1 office4 projects5 leaders6 credentialsUpdated Jun 2026

Project: Army Short Range Recon (SRR) Integration

Service: RF & Telemetry IntegrationService: UxS Advanced Telemetry & RF IntegrationService: GCS Advanced Telemetry & RF IntegrationIndustry: DefenseType: Defense Engineering+17 more

Cybioms Corporation

Transforming aerospace systems and services with innovative AI and automation solutions.

Website5 projectsSize Estimate: 1-25 employeesUpdated Jun 2026

Project: Laser Ranging from LEO to GEO Satellites

Service: Aerospace EngineeringService: Aerospace system designService: Structural analysis of aerospace modulesIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+44 more

DEON-INC Engineering Solutions

Palm Harbor, FL

DEON-INC Engineering Solutions is a multi-disciplinary technology practice specializing in product design, analysis, and manufacturing support. It delivers end-to-end solutions across electronic and electrical design, PCB layout engineering, FPGA and ASIC development, software engineering, mechanical engineering, finite element analysis, and FAA certification. The practice serves commercial, industrial, defense, and aerospace clients, offering services from initial concept through low-rate initial production and full production phases.

WebsitePhone2 offices5 projectsUpdated Jun 2026

Project: Air to Air Refueling LRU Development

Service: Custom Electronic DesignService: Hardware Design and DevelopmentService: Concept Redesign and EngineeringIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+27 more

Dynamic Animation Systems, Inc.

McLean, VA

Training is not practice. It is perfection.

WebsitePhone2 offices5 projectsFounded 1995Updated Jun 2026

Project: JTAGSS Program

Service: Modeling and Simulation ServicesService: Systems Engineering and ArchitecturesService: Software Research and DevelopmentIndustry: DefenseIndustry: Public SafetyType: Simulation Engineering+17 more

EPU Engineering

Jacksonville, FL

Railroad Signaling, R&D, and Consulting

Website1 office1 publicationsUpdated Jun 2026

Service detail: Railroad Signal Engineering

Service: Railroad Signal EngineeringService: Grade CrossingsService: Interlockings and CTCIndustry: RailIndustry: TransportationType: Electrical Engineering+14 more

Edgesource Corporation

Alexandria, VA

National Security Expertise That Powers Mission Success

WebsitePhone1 office3 projects4 leaders5 credentialsUpdated Jun 2026

Project: Detection Gap Integration

Service: Data EngineeringService: Mission & Data Landscape AssessmentService: Architecture, Integration & Pipeline DevelopmentIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+22 more

Electro Standards Laboratories

Cranston, RI

Engineering and manufacturing solutions for data communication, sensing, measurement, and power continuity.

WebsitePhone1 office4 leaders2 credentialsFounded 1976Updated Jun 2026

Service detail: Contract R&D Engineering

Service: Contract R&D EngineeringService: R&D Contract Engineering ServicesService: Control Systems R&DIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+37 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 detail: Navy Ship Repair and Modernization

Service: Navy Ship Repair and ModernizationService: SUBSAFE Submarine Modernization and RepairService: Alteration Installation Team (AIT) ServicesIndustry: DefenseIndustry: MarineType: Defense Engineering+30 more

Falcon Engineering, LLC

Seattle, WA

Engineering Precision. Delivered.

Website1 office2 leadersUpdated Jun 2026

Service detail: Embedded Systems & Firmware Development

Service: Embedded Systems & Firmware DevelopmentService: Bare-Metal Firmware DevelopmentService: Board Bring-Up & Driver DevelopmentIndustry: AerospaceIndustry: SpaceType: Electrical Engineering+14 more

GeoThinkTank LLC

Miami, FL

We Bring Sensors To Life.

WebsitePhone1 office5 projects1 publicationsFounded 2013Updated Jun 2026

Project: UAS-Based Northern Fur Seal Monitoring

Service: Engineering ServicesService: EO/IR Radiometric Calibration & ValidationService: Integrated Space Systems EngineeringIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+29 more

Global Systems Technologies LLC

Stafford, VA

Innovative Engineering and IT Solutions for National Security

WebsitePhone1 office3 projects4 leaders3 credentialsUpdated Jun 2026

Project: Professional Engineering and Logistics Support Services (PELSS-3)

Service: Systems Engineering and Model Based Systems Engineering (MBSE)Service: Research and Development (R&D)Service: Test and Evaluation (T&E)Industry: Intelligence & National SecurityIndustry: DefenseType: Defense Engineering+26 more

IntEn Corporation

Integrated system, software, network, and electrical engineering services

Website1 leadersFounded 1996Updated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Unix/Linux Networking SoftwareService: Interface and Shell SoftwareIndustry: DefenseIndustry: GovernmentType: Electrical Engineering+13 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

Nobletech Solutions Inc

Meridianville, AL

Sophisticated Solutions with a Fusion of Innovation & Collaboration.

WebsitePhone1 office2 credentialsFounded 2013Updated Jun 2026

Service detail: Healthcare Informatics Services

Service: Healthcare Informatics ServicesService: EHR & System IntegrationService: Healthcare Data InfrastructureIndustry: AerospaceIndustry: AviationType: Software Engineering+42 more

Noblis

Reston, VA

For the Best of Reasons

WebsitePhone1 office3 projects15 leaders10 credentialsFounded 1996

Project: U.S. Navy Warship Modernization Engineering

Service: Applied SciencesService: Artificial Intelligence and Applied AnalyticsService: Autonomous SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

PRIME Test and Technical Services, LLC

Huntsville, AL

Enabling Mission Success

WebsitePhone1 office1 projectsSize Estimate: Up to 25 employeesUpdated Jun 2026

Project: US Army OTC Test Technologies Support Services (TTSS)

Service: Engineering ServicesService: Test Range and Laboratory OperationsService: Laboratory and Field Data AcquisitionIndustry: DefenseIndustry: FederalType: Defense Engineering+34 more

RPM Tech

Forest Hill, MD

From Creative Concepts to Production Solutions

WebsitePhone2 offices2 projectsFounded 2006Updated Jun 2026

Project: Medical Diagnostic Instrument

Service: Integrated Product DesignService: Industrial DesignService: Systems EngineeringIndustry: Medical DevicesIndustry: AerospaceType: Mechanical Engineering+18 more

Reaction Engineering International

Midvale, UT

Committed Individuals Solving Challenging Problems

WebsitePhone1 office3 projectsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Advanced Life Support Fluidized Bed Combustor

Service: CFD ModelingService: Proprietary CFD SimulationService: Commercial CFD Tool IntegrationIndustry: Power GenerationIndustry: PetrochemicalType: Chemical Engineering+45 more

SDI Engineering Inc.

Bellevue, WA

Enabling Innovation Through Engineering Support and Expertise

Website1 office1 projects1 leadersFounded 1994Updated Jun 2026

Project: US Navy Aerial Refueling Modeling and Simulation Support

Service: Aerospace Engineering ServicesService: Aeroelastics and Flight Loads AnalysisService: Landing Gear Systems AnalysisIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+19 more

Sentar, Inc.

Huntsville, AL

Secure solutions for the converged cyber domain

Website3 offices4 leaders4 credentialsFounded 1990Size Estimate: 300 employeesUpdated Jun 2026

Service detail: Cybersecurity

Service: CybersecurityService: Cybersecurity Risk Management Operations (RMOPS)Service: Vulnerability Detection and Static Code AnalysisIndustry: DefenseIndustry: FederalType: Software Engineering+11 more