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AVEC, Inc.

Blacksburg, VA

AVEC, Inc. provides expert technical assistance in the analysis and control of noise and vibration in mechanical systems. Capabilities span phased array design and software, tire-pavement noise measurement (OBSI), road surface sound absorption (ROSSA), propeller noise prediction, structural analysis using FEM and BEM, unsteady aerodynamics, and machinery fault diagnostics. Past clients include NASA Langley Research Center, the Japan Aerospace Exploration Agency, Boeing, Siemens, and the US Air Force.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Noise and Vibration Engineering

Service: Noise and Vibration EngineeringService: Noise and Vibration Analysis, Prediction, and MeasurementService: Propeller Noise PredictionIndustry: AerospaceIndustry: DefenseType: Acoustic Consulting+18 more

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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

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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

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Brierley Associates Corporation

Englewood, CO

Creating Space Underground

WebsitePhone20 offices4 projects6 leaders11 credentialsUpdated Jun 2026

Project: Champlain Hudson Power Express Trenchless Crossings

Service: Tunneling EngineeringService: Trenchless EngineeringService: Horizontal Directional Drilling (HDD)Industry: Water SupplyIndustry: WastewaterType: Geotechnical Engineering+20 more

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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

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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

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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

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Gall Zeidler Consultants

Ashburn, VA

Innovative tunnel, geotechnical, and underground engineering solutions

WebsitePhone10 offices7 projects3 leaders7 credentialsUpdated Jun 2026

Project: Potomac River Tunnel

Service: Tunnel and Underground Engineering DesignService: Reference and Detailed DesignService: Design Concepts, Options and FeasibilityIndustry: TunnelsIndustry: TransitType: Civil Engineering+25 more

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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

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HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

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M&J Engineering

New Hyde Park, NY

Innovative and State-Of-The-Art Solutions

WebsitePhone18 offices11 projects13 leadersFounded 2004Updated Jun 2026

Project: MTA Metro-North Railroad Penn Station Access

Service: Consulting EngineeringService: Environmental ServicesService: Construction ManagementIndustry: TransportationIndustry: TransitType: Civil Engineering+7 more

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McCallum Testing Laboratories

Chesapeake, VA

Serving Individuals, Businesses, and Governmental Organizations Since 1928

WebsitePhone1 office20 projects8 leadersFounded 1928Size Estimate: 11-50 employees

Project: The Tide Light Rail Transit System

Service: Geotechnical EngineeringService: DrillingService: Field Inspection and TestingIndustry: CommercialIndustry: RetailType: Geotechnical Engineering+37 more

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Mueser Rutledge Consulting Engineers

New York, NY

Built on firm foundations

WebsitePhone3 offices8 projects11 leaders16 credentials5 publications

Project: One World Trade Center

Service: Geotechnical EngineeringService: Subsurface InvestigationsService: Earthquake EngineeringIndustry: BridgesIndustry: CommercialType: Geotechnical Engineering+41 more

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Nallapaneni Consultants, LLC

Glen Allen, VA

One Team. One Standard: Excellence.

WebsitePhone1 office12 projects1 leadersFounded 2020Updated Jun 2026

Project: Safety Inspections - ST&C Districts

Service: Structural Design & EngineeringService: Bridge Design & RehabilitationService: Structural & Seismic AnalysisIndustry: BridgesIndustry: TunnelsType: Civil Engineering+14 more

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Northeast Infrastructure LLC

Honesdale, PA

Experience The NEI Difference

WebsitePhone3 offices3 projects9 leadersFounded 2011Updated Jun 2026

Project: Replace Main Electrical Substation

Service: Electrical EngineeringService: Comprehensive Electrical Systems StudiesService: Emergency Generator DesignIndustry: FederalIndustry: HealthcareType: Civil Engineering+33 more

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REI Engineers

Raleigh, NC

Relationships | Expertise | Integrity

Website9 offices5 leadersFounded 1997Size Estimate: 50-199 employeesUpdated Jun 2026

Service detail: Building Enclosure Consulting

Service: Building Enclosure ConsultingService: RoofingService: AssessmentIndustry: AviationIndustry: CommercialType: Civil Engineering+45 more

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Techsburg, Inc.

Christiansburg, VA

Your Partner in Creation

WebsitePhone1 office2 leadersFounded 1998Size Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Computational Fluid Dynamics & Aeroacoustics

Service: Computational Fluid Dynamics & AeroacousticsService: CFD-Driven DesignService: AnalysisIndustry: AviationIndustry: Power GenerationType: Aerospace Engineering+30 more

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Televate, LLC

Vienna, VA

Connected, Safer Communities

WebsitePhone1 office12 projectsUpdated Jun 2026

Project: Vermont Public Safety Communications Task Force Project Management Support

Service: Public Safety System Design and EngineeringService: Land Mobile Radio (LMR) System DesignService: P25 Radio System EngineeringIndustry: Public SafetyIndustry: GovernmentType: Telecom / RF Engineering+25 more

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Tuhin Basu & Associates, Inc.

Columbia, MD

Civil/Structural Consulting Engineers

WebsitePhone2 offices1 leadersFounded 1999Updated Jun 2026

Service detail: Bridge Engineering

Service: Bridge EngineeringService: Bridge DesignService: Bridge InspectionIndustry: BridgesIndustry: Highways & RoadsType: Civil Engineering+17 more

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ViGYAN, Inc.

Hampton, VA

Providing an Array of Sophisticated Technical Expertise with a Specialization in Low Speed Wind Tunnels Since 1979

Website1 officeFounded 1979Updated Jun 2026

Service detail: Wind Tunnel Testing

Service: Wind Tunnel TestingService: Aerospace Research & DevelopmentService: Software Systems & SimulationIndustry: AerospaceIndustry: DefenseType: Aerospace Engineering+8 more

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Vitatech Electromagnetics

Fredericksburg, VA

Industry Leader in Full Spectrum EMF Services

WebsitePhone1 office4 projectsFounded 1999Size Estimate: 12-20 employeesUpdated Jun 2026

Project: Columbia University Jerome L. Green Science Center

Service: EMI/RFI Environmental Testing & SurveysService: Environmental TestingService: Site SurveysIndustry: Research FacilitiesIndustry: LaboratoriesType: Telecom / RF Engineering+14 more

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WES Consulting LLC

Prince William, VA

Engineering and Construction Management Services

WebsitePhone1 office1 projects6 credentialsFounded 2023Updated Jun 2026

Project: WMATA/WPMI/WWPL System-Wide PM/CM Support

Service: Project Controls & Cost EngineeringService: Project PlanningService: CPM SchedulingIndustry: InfrastructureIndustry: TransitType: Civil Engineering+34 more

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