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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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

AUSGAR Technologies, Inc.

San Diego, CA

Innovative, High-Quality Engineering Services

WebsitePhone2 offices4 projects
Service: CybersecurityService: Assessment and Authorization (A&A)Industry: DefenseType: Defense Engineering+21 more

Applied Science & Technologies, Inc.

Inman, SC

Partnership built on proof. Not promises.

WebsitePhone1 office2 projects
Service: Joint C2 and Tactical Data LinksService: Command-and-Control Architecture DesignIndustry: DefenseType: Defense Engineering+46 more

BCS Allegient

Arlington, VA

Services and Solutions Optimized for Mission Success

WebsitePhone3 offices5 projects
Service: Research Portfolio Execution and IntegrationService: Science & Engineering StudiesIndustry: GovernmentType: Defense Engineering+61 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 projects
Service: Acquisition Engineering SupportService: Systems EngineeringIndustry: DefenseType: Defense Engineering+8 more

Dynamic Animation Systems, Inc.

McLean, VA

Training is not practice. It is perfection.

WebsitePhone2 offices5 projects
Service: Modeling and Simulation ServicesService: Systems Engineering and ArchitecturesIndustry: DefenseType: Simulation Engineering+19 more

E3R Inc

San Diego, CA

Exceptional Employees for Exceptional Results

WebsitePhone1 office4 leaders
Service: Program ManagementService: Cost, schedule, performance, and risk managementIndustry: DefenseType: Defense Engineering+22 more

EMN Defense Services

San Diego, CA

Advanced systems engineering and program management

Website1 officeFounded 2003Updated Jun 2026
Service: Systems EngineeringService: Program ManagementIndustry: DefenseType: Defense Engineering+6 more

GPH Consulting LLC

Charleston, SC

Turning Mission Problems into Operational Advantage

WebsitePhone1 officeSize Estimate: 1-25 employees
Service: Mission Engineering & Concept AlignmentService: Testable Requirements GenerationIndustry: DefenseType: Defense Engineering+22 more

High Rez Consulting, Inc.

Jamestown, RI

Creative Solutions for Complex Problems

WebsitePhone1 office1 leaders
Service: Software Engineering & DevelopmentService: Sonar Tactical Decision AidsIndustry: DefenseType: Software Engineering+19 more

IW Laboratories Inc.

Port Hueneme, CA

People Powering Technology

WebsitePhone1 office2 projects
Service: Systems EngineeringService: Test and EvaluationIndustry: DefenseType: Defense Engineering+28 more

L2S Engineering LLC

Leesburg, VA

Innovative and Sustainable MEP Engineering Solutions

Website2 officesFounded 2009Updated Jun 2026
Service: Mechanical EngineeringService: Indoor Air QualityIndustry: CommercialType: MEP+58 more

Percheron Black

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

WebsiteUpdated Jun 2026
Service: IntelligenceService: Intelligence Cycle OperationsIndustry: DefenseType: Defense Engineering+34 more

RPM Tech

Forest Hill, MD

From Creative Concepts to Production Solutions

WebsitePhone2 offices2 projects
Service: Integrated Product DesignService: Industrial DesignIndustry: Medical DevicesType: Mechanical Engineering+20 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: Modeling & SimulationService: Complex System Modeling & SimulationIndustry: DefenseType: Defense Engineering+61 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 leaders
Service: Tactical Data Link InteroperabilityService: MILSTD Compliance & TroubleshootingIndustry: DefenseType: Defense Engineering+23 more

Zeus Research And Technology Inc

Huntsville, AL

A transition-focused approach to assured navigation solutions

Website1 office3 projects2 credentials
Service: Assured Position Navigation and Timing (APNT) SystemsService: Custom APNT SolutionsIndustry: DefenseType: Defense Engineering+7 more