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

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects1 leaders23 credentials3 publications

Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Service: Architecture & Interior DesignService: Programming and Test FitsService: Master Planning and Space ConsolidationIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+46 more

AFORGE LLC

Lorton, VA

Accelerating the Speed of Knowledge to Support National Security

WebsitePhone3 offices6 credentialsSize Estimate: 1-24 employeesUpdated Jun 2026

Service detail: Strategy, Advisory, & Consulting

Service: Strategy, Advisory, & ConsultingService: Strategic & Operational PlanningService: Program Planning, Budgeting, and Execution (PPBE)Industry: DefenseIndustry: Intelligence & National SecurityType: Defense Engineering+28 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

Brick & Byte Inc.

Ashburn, VA

Agile. Responsive. Competent.

WebsitePhone1 officeSize Estimate: 1-5 employeesUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Construction Support ServicesService: Materials TestingIndustry: CommercialIndustry: GovernmentType: Materials Testing+6 more

Bridge Diagnostics, Inc.

Louisville, CO

Protecting What You Build

WebsitePhone6 offices1 projects2 publicationsFounded 1989Size Estimate: 50-100 employees

Project: Runway Pavement Sensor System at Charlotte Douglas International Airport

Service: Diagnostic Load TestingService: Structural Health MonitoringService: Nondestructive Evaluation (NDE) and TestingIndustry: TransportationIndustry: Power GenerationType: Civil Engineering+23 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

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

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

Dominion Engineering, Inc.

Reston, VA

Innovative products, expert consulting, and R&D for the next chapter in nuclear energy

WebsitePhone1 office1 projects4 publicationsSize Estimate: 25-100 employeesUpdated Jun 2026

Project: Hanford WTP Technical Issue Resolution

Service: Consulting ServicesService: Materials EngineeringService: Mechanical EngineeringIndustry: NuclearIndustry: FederalType: Materials Engineering+16 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

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

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

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