Public engineering firm directory

Find engineering consulting firms by capability and location.

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ADDX Corporation

Alexandria, VA

Tenacious by Nature

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Readiness and Lifecycle Support

Service: Engineering Readiness and Lifecycle SupportService: Digital Engineering LaunchpadService: Engineering Readiness ReviewsIndustry: DefenseIndustry: GovernmentType: Defense Engineering+23 more

AUSGAR Technologies, Inc.

San Diego, CA

Innovative, High-Quality Engineering Services

WebsitePhone2 offices4 projects7 leaders4 credentialsFounded 2003

Project: Navy Continuous Training Environment (NCTE) Support

Service: CybersecurityService: Assessment and Authorization (A&A)Service: Network Testing and ValidationIndustry: DefenseIndustry: FederalType: Defense Engineering+19 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

BCS Allegient

Arlington, VA

Services and Solutions Optimized for Mission Success

WebsitePhone3 offices5 projects14 leaders3 credentialsFounded 2024

Project: U.S. Army Office of Energy Initiatives (OEI) Project Support

Service: Research Portfolio Execution and IntegrationService: Science & Engineering StudiesService: Energy Audits & BenchmarkingIndustry: GovernmentIndustry: FederalType: Defense Engineering+59 more

Canyon

El Segundo, CA

Canyon is an El Segundo, California defense engineering and acquisition consulting firm founded in 2006 that supports U.S. Space Force, Air Force, and Department of Defense program offices in GPS and positioning, navigation, and timing (PNT) programs. Canyon's engineers and acquisition specialists bring over 100 combined years of program management, systems engineering, and test and evaluation experience to space vehicle, ground, and user equipment programs. Canyon holds a patent on a Steerable Antenna System (US 12,562,472 B2) and has provided broad expertise in GPS-III satellite development and the Modernized GPS User Equipment (MGUE) program.

WebsitePhone1 office2 projects5 leadersFounded 2006Updated Jun 2026

Project: GPS-III Navigation Satellite Program Support

Service: Acquisition Engineering SupportService: Systems EngineeringService: Requirements DevelopmentIndustry: DefenseIndustry: SpaceType: Defense Engineering+6 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

E3R Inc

San Diego, CA

Exceptional Employees for Exceptional Results

WebsitePhone1 office4 leaders3 credentialsFounded 2011Size Estimate: 1-25 employees

Service detail: Program Management

Service: Program ManagementService: Cost, schedule, performance, and risk managementService: Acquisition document preparation and complianceIndustry: DefenseIndustry: GovernmentType: Defense Engineering+20 more

EMN Defense Services

San Diego, CA

Advanced systems engineering and program management

Website1 officeFounded 2003Updated Jun 2026

Service detail: Systems Engineering

Service: Systems EngineeringService: Program ManagementService: C4ISR Technical SupportIndustry: DefenseIndustry: FederalType: Defense Engineering+4 more

GPH Consulting LLC

Charleston, SC

Turning Mission Problems into Operational Advantage

WebsitePhone1 officeSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Mission Engineering & Concept Alignment

Service: Mission Engineering & Concept AlignmentService: Testable Requirements GenerationService: Technical Option ExplorationIndustry: DefenseIndustry: GovernmentType: Defense Engineering+20 more

High Rez Consulting, Inc.

Jamestown, RI

Creative Solutions for Complex Problems

WebsitePhone1 office1 leaders2 credentialsFounded 2002Updated Jun 2026

Service detail: Software Engineering & Development

Service: Software Engineering & DevelopmentService: Sonar Tactical Decision AidsService: Sensor Performance Prediction SoftwareIndustry: DefenseIndustry: FederalType: Software Engineering+17 more

IW Laboratories Inc.

Port Hueneme, CA

People Powering Technology

WebsitePhone1 office2 projectsUpdated Jun 2026

Project: Systems Engineering and Digital Transformation for NSWC PHD (Contract D9109-S16)

Service: Systems EngineeringService: Test and EvaluationService: Automatic Test Equipment (ATE) SolutionsIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more

L2S Engineering LLC

Leesburg, VA

Innovative and Sustainable MEP Engineering Solutions

Website2 officesFounded 2009Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Indoor Air QualityService: Air Handling SystemsIndustry: CommercialIndustry: GovernmentType: MEP+56 more

Percheron Black

Mission-focused technical and professional services for defense and intelligence clients.

WebsiteUpdated Jun 2026

Service detail: Intelligence

Service: IntelligenceService: Intelligence Cycle OperationsService: Technical Intelligence AnalysisIndustry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+32 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

Specialized Engineering, Analysis, & Management Services Incorporated

Specialized Engineering, Analysis, & Management Services Incorporated (SEAMS INC) delivers highly specialized engineering, operations research, and advisory consultation services to the Department of Defense (DoD) and DoW. For 24 years, including 14 years supporting NAVAIR, it has focused on mathematical modeling, simulation, custom software development, and decision-quality information across the full lifecycle of aircraft acquisition programs. The practice provides computational analysis, algorithm design, survivability and vulnerability analysis, systems engineering, and test and evaluation services, alongside executive leadership briefings and subject matter expertise.

WebsiteUpdated Jun 2026

Service detail: Modeling & Simulation

Service: Modeling & SimulationService: Complex System Modeling & SimulationService: Discrete Event SimulationIndustry: DefenseIndustry: AerospaceType: Defense Engineering+59 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

Zeus Research And Technology Inc

Huntsville, AL

A transition-focused approach to assured navigation solutions

Website1 office3 projects2 credentialsFounded 2018Updated Jun 2026

Project: SBIR Phase II - US Army

Service: Assured Position Navigation and Timing (APNT) SystemsService: Custom APNT SolutionsService: M-Code Integration and TestingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+5 more