Public engineering firm directory

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ATCSI LLC

Chesapeake, VA

ATCSI LLC delivers specialized services and technical solutions in air traffic control systems integration, shipboard systems, manned and unmanned air systems, and air traffic control procedures and policy development. It provides program management, task-based curriculum development, technical training, information analysis, digital data services, systems engineering, and strategic project planning. With a workforce of subject matter experts, the team supports complex aerospace, defense, and maritime programs.

Website1 office2 projects4 leadersFounded 2012Updated Jun 2026

Project: Naval Air Traffic Management Program Support

Service: Air Traffic Control Systems IntegrationService: Air Traffic Control Procedure and Policy DevelopmentService: Air Traffic Control SimulationIndustry: DefenseIndustry: AviationType: Aerospace Engineering+19 more

Afterburner Wind Tunnel Services LLC

Northern Virginia, VA

Afterburner Wind Tunnel Services LLC is a Northern Virginia engineering firm providing safety, systems, and weapons engineering support to Industry, Department of Defense agencies, and other federal entities. Its work spans aviation, weapons systems, research, testing, development and evaluation, and technology programs, with a team experienced in rapid-development defense programs.

Website1 office2 leadersUpdated Jun 2026

Service detail: Safety Engineering

Service: Safety EngineeringService: System Safety Program DevelopmentService: Hardware and Software Safety AnalysisIndustry: DefenseIndustry: FederalType: Defense Engineering+11 more

American Geotechnical & Environmental Services, Inc.

Canonsburg, PA

American Geotechnical & Environmental Services (A.G.E.S.), Inc. is a specialty engineering practice that provides comprehensive geotechnical design and environmental services. Headquartered in Canonsburg, Pennsylvania, with branch offices in King of Prussia, Pennsylvania, McLean, Virginia, and New Jersey, it has grown to become one of the largest specialty geotechnical consultancies in the northeastern United States. The practice focuses on delivering geotechnical engineering solutions for public infrastructure projects, including highways, bridges, transit, rail, aviation, and water resources.

WebsitePhone3 offices12 leaders1 credentialsFounded 1995Size Estimate: 70-99 employees

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface Explorations and InstrumentationService: Soil and Rock Laboratory TestingIndustry: TransportationIndustry: TransitType: Geotechnical Engineering+11 more

Analytical Services and Materials, Inc. (AS&M)

Hampton, VA

Total Customer Satisfaction

WebsitePhone1 office2 projects2 leaders10 credentialsFounded 1983

Project: Mars 2020 Rover Heat Shield Ground Qualification Test

Service: Engineering ServicesService: Aeronautics EngineeringService: Wind Tunnel Testing SupportIndustry: AerospaceIndustry: AviationType: Aerospace Engineering+32 more

Bala Consulting Engineers, Inc.

Wayne, PA

Engineering a better future focused on the human experience.

WebsitePhone5 offices10 projects12 leaders2 credentialsFounded 1982

Project: Cencora

Service: Mechanical EngineeringService: HVAC and Mechanical SystemsService: Plumbing and Fire ProtectionIndustry: CommercialIndustry: TransportationType: MEP+29 more

Building & Earth Sciences, Inc.

Birmingham, AL

The Benchmark for Professional Services

Website5 offices3 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Geotechnical ConsultingService: Subsurface ExplorationIndustry: CommercialIndustry: InfrastructureType: Geotechnical Engineering+37 more

CONCORR, Inc.

Sterling, VA

Analyze, Protect, Preserve

WebsitePhone1 office6 projects1 leaders3 credentials1 publications

Project: Jefferson Street Bridge

Service: Diagnostic and Evaluation ServicesService: Diagnostic Condition EvaluationService: Nondestructive TestingIndustry: BridgesIndustry: InfrastructureType: Civil Engineering+26 more

Cornwell Engineering Group, Inc.

Hampton, VA

Recognized as a national leader in water treatment.

WebsitePhone1 office1 leaders2 credentials8 publicationsFounded 1985

Service detail: Water Treatment Plant Design

Service: Water Treatment Plant DesignService: Pilot Plant StudiesService: Plant TroubleshootingIndustry: Water SupplyIndustry: WastewaterType: Environmental Engineering+25 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

DMY Engineering Consultants Inc.

Chantilly, VA

Reliable. Innovative.

WebsitePhone3 offices10 projects1 credentialsFounded 2009Updated Jun 2026

Project: Dulles Corridor Silver Line Metrorail Project Phase II

Service: Geotechnical EngineeringService: In-House Geotechnical Drilling and TestingService: Foundation Analysis and DesignIndustry: TransportationIndustry: WastewaterType: Geotechnical Engineering+23 more

Dav-Lear Systems, Inc.

Diamond Bar, CA

Dav-Lear Systems, Inc. provides information technology, telecommunications, product engineering, systems engineering, and administrative support services. Founded in 1992 and headquartered in Diamond Bar, California, it serves federal, state, and local government agencies, defense contractors, and Fortune 500 corporations, with key clients including Northrop Grumman, Lockheed Martin, Raytheon, and NASA's Jet Propulsion Laboratory.

Website4 offices4 projectsFounded 1992Updated Jun 2026

Project: Desktop Network Support

Service: Software EngineeringService: Software Development and ManagementService: Software Estimating and CostingIndustry: DefenseIndustry: FederalType: Software Engineering+31 more

Dulles Engineering, Inc.

Sterling, VA

Your Trusted Partner in Quality Control & Geotechnical Solution

WebsitePhone1 office8 projects1 leaders7 credentialsFounded 2017

Project: New Frederick Douglass Memorial Bridge and Suitland Parkway / I-295 Interchange

Service: Geotechnical EngineeringService: Construction Materials TestingService: Laboratory TestingIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+6 more

Dulles Geotechnical and Materials Testing Services, Inc.

Chantilly, VA

Geotechnical engineering, construction inspection, materials testing, and software solutions

WebsitePhone4 offices10 projects7 credentialsFounded 2012Size Estimate: 70+ employees

Project: I-495 Express Lanes Northern Extension (I-495 NEXT)

Service: Geotechnical EngineeringService: Engineering Analysis and DesignService: Foundation DesignIndustry: Highways & RoadsIndustry: TransitType: Geotechnical Engineering+36 more

Elzly Technology Corporation

Reston, VA

Dedicated Corrosion Engineers

WebsitePhone3 officesUpdated Jun 2026

Service detail: Corrosion Engineering

Service: Corrosion EngineeringService: Engineering StudiesService: Corrosion SurveysIndustry: DefenseIndustry: FederalType: Materials Engineering+23 more

Engineering Materials Technologies, Inc.

Manassas, VA

Quality Matters

WebsitePhone1 office4 projects5 leadersFounded 1997Updated Jun 2026

Project: Ronald Reagan Washington National Airport (DCA) Geotechnical and Special Inspections

Service: Geotechnical EngineeringService: Subsurface ExplorationService: Problem Soil EvaluationIndustry: AirportsIndustry: Highways & RoadsType: Geotechnical Engineering+31 more

Engineering and Testing Services, Inc.

Hampton Roads, VA

Local Experience, Local Team, Locally Focused

WebsitePhone1 office10 projects2 credentialsFounded 2002Size Estimate: 1-25 employees

Project: Old Dominion University

Service: Geotechnical EngineeringService: Drilling ServicesService: Preliminary and General StudiesIndustry: GovernmentIndustry: FederalType: Geotechnical Engineering+21 more

Engineers Plus, P.C.

Richmond, VA

Engineers Plus, P.C. is a Richmond, Virginia MEP consulting engineering firm founded in 1998. Specializing in mechanical, electrical, and plumbing design, it serves commercial, institutional, healthcare, manufacturing, laboratory, and pharmaceutical clients. Engineers Plus has deep expertise in critical environments, cleanrooms, laboratory systems, and phased renovation projects.

WebsitePhone1 office4 leadersFounded 1998Updated Jun 2026

Service detail: Mechanical Design

Service: Mechanical DesignService: Variable volume air and water distribution systemsService: Laboratory fume hood systemsIndustry: CommercialIndustry: HealthcareType: MEP+32 more

Geo-Technology Associates, Inc.

Laurel, MD

Growing Together To Enhance Our Built Environment

WebsitePhone28 offices5 projectsSize Estimate: 600 employeesUpdated Jun 2026

Project: Ewing Town Center

Service: Geotechnical ServicesService: Construction ServicesService: High-Rise Building ConstructionIndustry: CommercialIndustry: ResidentialType: Geotechnical Engineering+13 more

GeoEnvironmental Resources, Inc.

Virginia Beach, VA

Professional consulting engineering specializing in geotechnical, environmental, groundwater, and industrial services.

WebsitePhone1 office5 projectsFounded 1992Updated Jun 2026

Project: Virginia Beach Convention Center

Service: Environmental EngineeringService: Phase I, II & III Environmental Site AssessmentsService: NEPA Documentation (CE, PCE & EA)Industry: Environmental & RemediationIndustry: GovernmentType: Geotechnical Engineering+41 more

Global Geotechnical Consultants, LLC

Woodbridge, VA

Innovative Engineering with Quality Service

WebsitePhone1 office4 projects1 leaders3 credentialsFounded 2012

Project: Dulles Metro Silver Line Phase II

Service: Geotechnical EngineeringService: Geotechnical Exploration and AnalysisService: Retaining Wall DesignIndustry: TransportationIndustry: CommercialType: Geotechnical Engineering+23 more

Hager Development Group, LLC

Virginia Beach, VA

By Skill & Valor

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering and Technical Services

Service: Engineering and Technical ServicesService: Systems engineeringService: Operational test and evaluationIndustry: DefenseIndustry: FederalType: Defense Engineering+30 more

Hillis-Carnes Engineering Associates

Annapolis Junction, MD

Your Foundation for Success

WebsitePhone21 offices7 projects3 leaders3 credentialsFounded 1993

Project: Anthem House Luxury Residential Development

Service: Geotechnical EngineeringService: Subsurface investigations and soil boringsService: Foundation design recommendationsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+56 more

John H Northrop Associates Inc

Newport News, VA

Digitally Engineering the Warfighter's Future

WebsitePhone1 officeUpdated Jun 2026

Service detail: Digital Engineering Methods

Service: Digital Engineering MethodsService: Modular Open Systems Approach (MOSA)Service: Manned and Unmanned Aircraft SystemsIndustry: DefenseType: Defense Engineering+13 more

Lectromechanical Design Company, LLC

Chantilly, VA

Certification Solutions for Aerospace Wire Systems and Components

WebsitePhone1 office3 projects1 leaders1 credentials11 publications

Project: EWIS Service Life Extension for Military Fleet

Service: EWIS CertificationService: New Platform ServicesService: Existing Platform ServicesIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+19 more