Public engineering firm directory

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Apertus Solutions, LLC

Severna Park, MD

Open source engineering for trusted computing and embedded systems

Website1 office3 projectsUpdated Jun 2026

Project: Fidelis Platform

Service: Trusted Systems ResearchService: Linux Kernel DevelopmentService: Xen Hypervisor DevelopmentIndustry: DefenseIndustry: Intelligence & National SecurityType: Software Engineering+8 more

Compass Systems, Inc.

Lexington Park, MD

American Precision for Mission-Ready Technologies

WebsitePhone10 offices4 leaders2 credentialsFounded 1997Updated Jun 2026

Service detail: Research and Development

Service: Research and DevelopmentService: AI-Enabled Decision SupportService: Augmented Reality and TrainingIndustry: DefenseIndustry: AerospaceType: Defense Engineering+27 more

Programs Management Analytics & Technologies, Inc.

Norfolk, VA

Enhancing Decision Dominance

WebsitePhone4 offices3 projects8 leaders7 credentialsFounded 2007

Project: Naval Surface Warfare Center Crane Division Contract

Service: Systems EngineeringService: Architecture DesignService: Systems Requirements DefinitionIndustry: DefenseIndustry: FederalType: Defense Engineering+29 more

Relative Dynamics Inc.

Laurel, MD

(Re)Think Space.

WebsitePhone1 office5 projects6 leaders5 credentialsFounded 2011

Project: NASA 2025 Phase 1 STTR - High-Speed Photonic Integrated Analyzer

Service: Satellite CommunicationsService: Optical Laser Communications Systems DesignService: RF Communications Systems DesignIndustry: SpaceIndustry: DefenseType: Aerospace Engineering+35 more

TENAX Technologies

Havre de Grace, MD

TENAX Technologies is an engineering and professional services firm headquartered in Havre de Grace, MD, serving Department of Defense customers. Founded in 2014, its team provides research and development, testing and evaluation, cybersecurity, and information technology consulting for government clients. TENAX operates under an ISO 9001:2015 certified quality management system.

WebsitePhone1 office1 credentialsFounded 2014Updated Jun 2026

Service detail: Research and Development

Service: Research and DevelopmentService: Testing and EvaluationService: CybersecurityIndustry: DefenseIndustry: FederalType: Defense Engineering+2 more

Technology Project Managers, Inc.

Silver Spring, MD

Making Impossible Projects Happen

WebsitePhone1 office3 projects5 leaders4 credentialsSize Estimate: 1-25 employees

Project: GOES-R Program

Service: Systems EngineeringService: Requirements Definition and ManagementService: Systems Design and IntegrationIndustry: FederalIndustry: GovernmentType: Aerospace Engineering+20 more

The Zanfer Group, LLC

Silver Spring, MD

Constantly Exploring

Website1 office1 leaders1 credentialsSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: System Engineering

Service: System EngineeringService: Reliability, Maintainability and AvailabilityService: Human Factors EngineeringIndustry: DefenseIndustry: FederalType: Defense Engineering+30 more