Public engineering firm directory

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A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects8 credentialsFounded 1996Updated Jun 2026

Project: Big Beaver Bridge

Service: Bridge Design and InspectionsService: Bridge DesignService: Bridge InspectionsIndustry: TransportationIndustry: BridgesType: Civil Engineering+22 more

ARCHÉ Consulting Group, LLC

Springfield, VA

The Best Team for Project Success

WebsitePhone2 offices1 leadersFounded 2017Updated Jun 2026

Service detail: Program and Project Management

Service: Program and Project ManagementService: Construction ManagementService: Architecture and EngineeringIndustry: GovernmentIndustry: FederalType: Owner's Engineer+31 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

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

CNC Civil Services, LLC

Washington, DC

Civil Engineering. Planning. Site Development. Surveying.

WebsitePhone2 offices7 projects2 credentialsSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Capital Exports Warehouse

Service: Civil EngineeringService: Site Engineering / Land DevelopmentService: Water Resources EngineeringIndustry: Electric UtilitiesIndustry: Water SupplyType: Civil Engineering+34 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

Caird Sextant, LLC

Annandale, VA

From the Poles to the Tropics - and Everywhere in Between

WebsitePhone1 office5 projects2 publicationsFounded 2013Size Estimate: 1-9 employees

Project: LCS Full Ship Shock Trial - Environmental Mitigation

Service: Research and Development SupportService: Ocean Science ResearchService: Energy Technology EvaluationIndustry: DefenseIndustry: GovernmentType: Environmental Engineering+19 more

Cherokee Energy Management & Construction Inc.

Virginia Beach, VA

energy efficiency.....use only what you need

WebsitePhone1 office7 projects3 leaders1 credentialsFounded 2006

Project: NAVFAC MIDLANT Resource Efficiency Management

Service: Commercial and Industrial Energy ManagementService: Co-Generation and Demand ResponseService: Microgrid IntegrationIndustry: CommercialIndustry: EducationType: Owner's Engineer+28 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

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

DESMAN

Boston, MA

Client-Focused Parking Solutions

WebsitePhone9 offices5 projects3 leaders3 credentialsFounded 1973

Project: Ft. Duquesne and Sixth Parking Garage Facade and Renovation

Service: Parking ConsultingService: Supply and Demand StudiesService: Concept PlanningIndustry: EducationIndustry: HealthcareType: Structural Engineering+30 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

Defense Warriors Government Solutions

Norfolk, VA

Services & Solutions From One Perspective, Yours.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Solutions

Service: Engineering SolutionsService: Systems EngineeringService: Telecom EngineeringIndustry: DefenseIndustry: GovernmentType: Defense Engineering+17 more

Dominion Due Diligence Group

Midlothian, VA

Navigating pathways to affordable, available, and resilient housing through expert environmental, engineering, and energy due diligence.

WebsitePhone3 offices2 projects11 leaders1 credentialsFounded 1994

Project: Transforming Affordable Housing in Virginia: A RAD/LIHTC Renovation

Service: Environmental Due Diligence & ComplianceService: Phase I & II Environmental Site AssessmentsService: HEROS Environmental ReviewsIndustry: Affordable HousingIndustry: Multifamily ResidentialType: Environmental Engineering+31 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

EBA Engineering, Inc.

Laurel, MD

Results With No Excuses

WebsitePhone5 offices3 projects1 credentialsFounded 1981Updated Jun 2026

Project: HSWA Non-Revenue Water Tracking Project

Service: Civil / Site EngineeringService: Environmental EngineeringService: Geotechnical EngineeringIndustry: GovernmentIndustry: FederalType: Civil Engineering+27 more

ECS Group of Companies

Chantilly, VA

Your Go-To Engineering Consulting Partner

Website1 office6 projects1 leadersFounded 1988Size Estimate: 1,000+ employeesUpdated Jun 2026

Project: SK Innovation EV Battery Site

Service: Geotechnical EngineeringService: Subsurface ExplorationService: In-Situ TestingIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+48 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

Epsilon Systems Solutions, Inc.

San Diego, CA

Epsilon Systems Solutions, Inc. is a defense engineering and technical services provider headquartered in San Diego, California, with facilities in Portsmouth, Virginia, Mayport, Florida, and Pearl Harbor, Hawaii. Epsilon Systems provides marine engineering and ship repair for all classes of U.S. Navy vessels, C5ISR systems engineering and intelligence support, manufacturing of advanced military and commercial products, and technical services including geospatial analysis, environmental compliance, and simulation training. Operating over 125,000 square feet of repair, modernization, and manufacturing facilities near major U.S. Navy homeports, Epsilon Systems holds SUBSAFE certification on all classes of submarines and serves the U.S. Navy, NAVAIR, NAVSEA, and the broader national security community.

Website5 offices12 credentialsUpdated Jun 2026

Service detail: Navy Ship Repair and Modernization

Service: Navy Ship Repair and ModernizationService: SUBSAFE Submarine Modernization and RepairService: Alteration Installation Team (AIT) ServicesIndustry: DefenseIndustry: MarineType: Defense Engineering+30 more

Eritek Inc

Leesburg, VA

Innovative engineering solutions in RF and optical communications, optical sensing, and digital processing

WebsitePhone1 officeUpdated Jun 2026

Service detail: Optical Engineering

Service: Optical EngineeringService: Free Space Optical CommunicationsService: Optics DesignIndustry: GovernmentIndustry: DefenseType: Telecom / RF Engineering+21 more

Froehling & Robertson

Richmond, VA

Froehling & Robertson (F&R) is a geotechnical engineering, environmental consulting, and materials testing firm headquartered in Richmond, Virginia. With more than 70 years of subsurface exploration experience, F&R serves clients across the Mid-Atlantic and Carolinas through an in-house fleet of drill rigs, soils laboratories, and an interdisciplinary team of engineers, geologists, scientists, and inspectors. Core services span geotechnical engineering, environmental consulting, construction materials testing, geostructural monitoring, drilling, and specialty engineering.

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface ExplorationsService: Foundation EngineeringIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+22 more

Fuchs Consulting, Inc.

Leesburg, VA

Advanced nondestructive evaluation and laser metrology for critical infrastructure

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural Nondestructive Evaluation

Service: Structural Nondestructive EvaluationService: Infrared Bridge Deck and Soffit InspectionService: Steel Bridge Weld Stress MeasurementIndustry: TransportationIndustry: BridgesType: Civil Engineering+15 more

G-ES, LLC

Powhatan, VA

Engineer - Design - Inspect

WebsitePhone2 offices1 leadersFounded 2010Updated Jun 2026

Service detail: In-Situ Testing

Service: In-Situ TestingService: Soil Boring & TestingService: Construction Materials TestingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+9 more