Public engineering firm directory

Find engineering consulting firms by capability and location.

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ACSYeS Inc

Aberdeen Proving Ground, MD

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

WebsitePhone2 officesUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Architecture DevelopmentService: Requirements EngineeringIndustry: AerospaceIndustry: CommercialType: Defense Engineering+23 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 leaders5 credentialsFounded 2007Updated Jun 2026

Service detail: Engineering and Research

Service: Engineering and ResearchService: Sensor and Data FusionService: Autonomy and Automated Decision MakingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+21 more

Advanced Logistics Support (ALS) Corporation

Albuquerque, NM

Delivering consistent high standard results

WebsitePhone2 offices4 projects1 leaders3 credentialsFounded 2006

Project: Enhanced Communications and Analysis Test System (ECATS)

Service: Engineering and Technical ServicesService: Electronic Warfare & SATCOM Systems EngineeringService: Antenna Design EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+16 more

Advanced Research and Technology Corporation

Oxnard, CA

Innovations for a Better Tomorrow

WebsitePhone1 office3 projects1 leaders8 credentials2 publications

Project: Navy Threat Simulator Validation Contract

Service: Radar and Electronic Warfare SystemsService: Radar Cross Section Measurement and AnalysisService: Radar Signature ControlIndustry: DefenseIndustry: AerospaceType: Defense Engineering+31 more

Anchor Innovation, Inc.

Virginia Beach, VA

From the Waterfront to Operational Edge

WebsitePhone1 office1 credentialsFounded 2002Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Direct Operations Support

Service: Direct Operations SupportService: Port OperationsService: Maritime SecurityIndustry: DefenseIndustry: Public SafetyType: Defense Engineering+28 more

Applied Research Associates, Inc.

Albuquerque, NM

Innovative Solutions to Complex Problems

Website1 office5 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Switchback Autonomous Ground Platform

Service: Integrated Systems EngineeringService: Assured Position Navigation and TimingService: Contract Manufacturing and EngineeringIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+47 more

Aretum

Leading Government Technology Solutions

WebsiteUpdated Jun 2026

Service detail: Digital Transformation and Cloud Engineering

Service: Digital Transformation and Cloud EngineeringService: Cloud Architecture and MigrationService: Enterprise IT ModernizationIndustry: GovernmentIndustry: FederalType: Software Engineering+17 more

Ataero

San Antonio, TX

Ataero, formerly Atkinson Aeronautics & Technology, is a defense technology enterprise specializing in electromagnetic spectrum operations, electromagnetic warfare, information operations, intelligence, systems engineering, acquisition, logistics, program management, technical training, and low-cost threat emitter systems.

Website1 office6 leadersUpdated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: System Design and IntegrationService: Technical Performance AnalysisIndustry: DefenseIndustry: AerospaceType: Defense Engineering+30 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

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

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

Calvert Systems Engineering, Inc.

Omaha, NE

Creating a corporate culture of excellence that ensures mission accomplishment and values our employees.

Website1 office2 leaders1 credentialsFounded 2003Size Estimate: 130 employeesUpdated Jun 2026

Service detail: Assistance and Advisory Support

Service: Assistance and Advisory SupportService: Flight OperationsService: Intelligence, Surveillance, and ReconnaissanceIndustry: DefenseIndustry: FederalType: Defense Engineering+41 more

Cartesian Science & Technology LLC

Fort Meade, MD

All knowledge are interdependent and form one idea.

Website2 officesUpdated Jun 2026

Service detail: Spectrum Engineering

Service: Spectrum EngineeringService: Spectrum certification and assignmentService: EMC and EMI technical reviewIndustry: DefenseIndustry: FederalType: Telecom / RF Engineering+27 more

Corporation 997 LLC

Dayton, OH

Mission-critical software for America's most demanding operational environments

Website1 officeUpdated Jun 2026

Service detail: Model-Based Systems Engineering (MBSE)

Service: Model-Based Systems Engineering (MBSE)Service: SysML and UML ModelingService: DODAF Architecture ProductsIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

DCS Corporation

Alexandria, VA

Engineering, programmatic, and technical support services for national security missions.

WebsitePhone1 office3 projects8 leaders1 credentialsFounded 1977

Project: Air Force Life Cycle Management Center Support

Service: Artificial Intelligence and Machine LearningService: Deep Learning ApplicationsService: Autonomy for Air Combat MissionsIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+19 more

Emergent Communications and Technology Integration, LLC

Your Enterprise Communications Partner

Website1 leadersFounded 2026Size Estimate: 1 employeesUpdated Jun 2026

Service detail: Technical Consulting

Service: Technical ConsultingService: Independent Technical AnalysisService: System Architecture and DesignIndustry: DefenseIndustry: Public SafetyType: Telecom / RF Engineering+14 more

Fathom 4, LLC

Charleston, SC

Engineering Freedom - for our country, our clients, and our employees

WebsitePhone1 officeFounded 2012Updated Jun 2026

Service detail: C4ISR Suite Design and Integration

Service: C4ISR Suite Design and IntegrationService: Ergonomics & Human Factors EngineeringService: Antenna OptimizationIndustry: DefenseType: Defense Engineering+7 more

First Principles Incorporated

Where Momentum is Fundamental

Website1 leaders1 credentialsFounded 2004Updated Jun 2026
Service: Systems EngineeringService: Ground and Flight Test SupportService: Operational AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+5 more

General Dynamics Mission Systems

Engineering mission-critical C4ISR solutions across land, sea, air, space, and cyber domains

Website5 projectsUpdated Jun 2026

Project: Columbia-Class Submarine Program

Service: Assured Positioning, Navigation & Timing (APNT)Service: Fight Tonight Assured PNT SystemService: MRPA Horizon-Nulling Active AntennaIndustry: DefenseIndustry: FederalType: Defense Engineering+41 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

HEKA Aero, LLC

Melbourne, FL

Advanced Aerospace & Defense Solutions

WebsitePhone1 office3 projects3 leadersFounded 2017Size Estimate: 10-50 employees

Project: Safety-Critical Systems and Avionics for eVTOL Aircraft

Service: Software EngineeringService: Certifiable Flight SoftwareService: Real-Time Embedded SystemsIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+19 more

J12 Solutions

Huntsville, AL

Where ownership fuels engineering excellence.

Website1 office5 leaders2 credentialsFounded 2022Updated Jun 2026

Service detail: RF Sensor Development

Service: RF Sensor DevelopmentService: Sensing Concept ResearchService: Prototype ImplementationIndustry: DefenseIndustry: FederalType: Defense Engineering+14 more

Legionnaire International Ltd Co

Denison, TX

Today's Decisions, Tomorrow's Success.

WebsitePhone1 office2 projects5 credentialsFounded 2006Updated Jun 2026

Project: CLEAVER Cruise Missile Flight Test

Service: Aerospace and Defense EngineeringService: Component EngineeringService: Design and DevelopmentIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+19 more

Modern Warrior Solutions

Herndon, VA

Modern Warrior Solutions conducts engineering and technical work for Department of Defense Test and Evaluation and training range programs, with capabilities spanning electronic warfare, space test systems, assured position-navigation-timing testing, cyber systems, and test range modernization. Its team has direct experience supporting the Army Test and Evaluation Command, Threat Systems Management Office, and Commander Operational Test and Evaluation Force, and holds Top Secret Facility Clearances for classified program work.

Website1 office1 credentialsUpdated Jun 2026

Service detail: Test and Evaluation Engineering

Service: Test and Evaluation EngineeringService: Electronic Warfare TestingService: Space Test SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+7 more