Public engineering firm directory

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CSSI

Washington, DC

Your Partner in Safety, Efficiency and Innovation

WebsitePhone1 officeFounded 1990Size Estimate: 175+ employeesUpdated Jun 2026

Service detail: Safety Management

Service: Safety ManagementService: Focuses On Operational SafetyService: Safety-critical SystemsIndustry: AviationIndustry: DefenseType: Aviation Engineering+27 more
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Cardinal Engineering, LLC

Annapolis, MD

Efficiently and cost-effectively bringing you the best result.

WebsitePhone4 offices6 leaders1 credentialsFounded 2010Size Estimate: 10-49 employees

Service detail: Structures Engineering

Service: Structures EngineeringService: Finite Element AnalysisService: Structural Composite TechnologiesIndustry: DefenseIndustry: FederalType: Defense Engineering+24 more
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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
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Precision Systems, Inc. (PSI)

Washington, DC

Engineering the Future of Transportation

WebsitePhone1 office6 projects2 credentialsFounded 1994Size Estimate: 10-50 employees

Project: 11th Street NW Bus Priority Project - Transit, Bike and Pedestrian Improvements

Service: Roadway DesignService: Streetlight and Traffic Signal DesignService: Safety Improvement DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+41 more
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Sellers & Associates, LLC

Chesapeake, VA

Adding Value, Reducing Risk

WebsitePhone4 offices8 leaders9 credentialsFounded 2015Updated Jun 2026

Service detail: Program & Project Management

Service: Program & Project ManagementService: Training & Training TechnologyService: Integrated Logistics SupportIndustry: GovernmentIndustry: FederalType: Defense Engineering+23 more
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