Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

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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

Alpha Corporation

Dulles, VA

Where Engineering Meets Adventure

WebsitePhone1 office3 projects6 leaders4 credentialsFounded 1979

Project: Hampton Roads Bridge-Tunnel (HRBT) Expansion Design-Build Project

Service: Engineering DesignService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: TransportationType: Civil Engineering+28 more

American Engineering

Charlotte, NC

Comprehensive civil engineering services from concept to construction.

WebsitePhone3 officesFounded 1974Updated Jun 2026

Service detail: Civil Site Engineering

Service: Civil Site EngineeringService: Site Design and DevelopmentService: Grading and Stormwater ManagementIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+16 more

Athavale, Lystad & Associates, Inc.

McLean, VA

Innovative Engineering Solutions for the Mid-Atlantic

WebsitePhone2 offices16 projects6 leadersFounded 1985Size Estimate: 1-25 employees

Project: Telegraph Road Bridge Rehabilitation and Widening

Service: Structural EngineeringService: Bridge DesignService: Pedestrian Bridge DesignIndustry: TransportationIndustry: GovernmentType: Civil Engineering+21 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

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

Brockenbrough

Richmond, VA

Brockenbrough is a consulting engineering firm in Richmond, Virginia, with specialists in site development, transportation, and utility systems. Its engineers serve residential, educational, transportation, industrial, and public works clients across a broad range of market sectors, including highways, aviation, water and wastewater, fuels infrastructure, and parks and recreation.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Site Development

Service: Site DevelopmentService: Transportation EngineeringService: Utilities EngineeringIndustry: ResidentialIndustry: EducationType: Civil Engineering+15 more

Brudis & Associates, Inc.

Columbia, MD

Innovative, high quality, and responsive engineering solutions

WebsitePhone4 offices8 projects4 leaders6 credentialsFounded 1992

Project: MD 180 / MD 351 Highway Improvements

Service: Highway & PlanningService: Roadway Geometrics, Widening, Reconstruction & ImprovementsService: Streetscape DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+70 more

CES Consulting LLC

Warrenton, VA

Quality Delivered

WebsitePhone3 offices20 projects21 leadersFounded 2010Size Estimate: 180+ employees

Project: FHWA-EFLHD, Arlington Cemetery Defense Access Road

Service: Construction ManagementService: Construction InspectionService: Design-Bid-Build Program SupportIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+19 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

Dadson Consulting Inc

Woodbridge, VA

Dedication and Experience

WebsitePhone1 office18 projects2 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Project: AWI South Capitol Street Corridor Bridges

Service: Bridge and Transportation StructuresService: Steel and Concrete Bridge DesignService: Foundation Analysis and DesignIndustry: BridgesIndustry: TransportationType: Structural Engineering+27 more

Dewberry

Fairfax, VA

Family Owned. Client Centric. Community Driven.

WebsitePhone1 office38 projects4 leaders1 credentials2 publications

Project: New York City Housing Authority Clinton Houses Stormwater Resilience

Service: ArchitectureService: Architectural DesignService: Interior DesignIndustry: FederalIndustry: TransportationType: Architecture & Engineering+54 more

Dieffenbauch & Hritz, LLC

Morgantown, WV

Accepting challenges, developing solutions, delivering results

WebsitePhone4 offices1 projectsUpdated Jun 2026

Project: King Coal Highway (Red Jacket Section)

Service: Civil EngineeringService: Site engineering and permittingService: Road and access designIndustry: Oil & GasIndustry: Land DevelopmentType: Civil Engineering+21 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

EPR, P.C.

Charlottesville, VA

Transportation. Community Planning. Urban Design.

WebsitePhone1 office3 projects12 leaders1 credentialsFounded 2011

Project: Town of Bedford Comprehensive Plan (Bedford 2045)

Service: Transportation EngineeringService: Traffic Operations AnalysisService: Traffic Impact StudiesIndustry: GovernmentIndustry: TransportationType: Civil Engineering+42 more

Endesco, Inc.

Rockville, MD

Endesco, Inc. is a multi-discipline civil engineering design, consulting, and construction management firm founded in 1997 and headquartered in Rockville, Maryland. It specializes in water resources, transportation planning and traffic engineering, roadway and lighting design, environmental studies, GIS, and project and construction management, primarily serving state DOTs, transit authorities, counties, cities, and federal agencies across the Washington, DC/Baltimore metro region and beyond.

WebsitePhone2 offices6 projects9 credentialsFounded 1997Size Estimate: 5-25 employees

Project: Transform I-66 Outside the Beltway (Express Lanes), Northern Virginia

Service: Water ResourcesService: Stormwater ManagementService: Hydraulics and HydrologyIndustry: GovernmentIndustry: TransportationType: Civil Engineering+52 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

GENCO Systems Inc.

Herndon, VA

Engineering and IT Solutions for Government and Private Sector Industries

WebsitePhone1 office7 projectsFounded 1994Updated Jun 2026

Project: FAA En Route Automation Modernization (ERAM) IV&V

Service: Independent Verification and Validation (IV&V)Service: IV&V PlanningService: Full System Development Lifecycle (SDLC) VerificationIndustry: FederalIndustry: GovernmentType: Software Engineering+30 more

GZA GeoEnvironmental, Inc.

Norwood, MA

Solving Complex Challenges in Natural and Built Environments

WebsitePhone35 offices4 projectsSize Estimate: 800 employeesUpdated Jun 2026

Project: Upper Roberts Meadow Reservoir Dam Breach and Stream Restoration Project

Service: Geotechnical EngineeringService: Environmental Site Investigation and RemediationService: Environmental Site InvestigationIndustry: AgricultureIndustry: IndustrialType: Geotechnical Engineering+29 more

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

Galloway & Company, LLC

Greenwood Village, CO

Nationally recognized. Locally preferred.

WebsitePhone16 offices1 projects1 leaders2 credentialsUpdated Jun 2026

Project: Future Legends Sports Complex

Service: ArchitectureService: New ConstructionService: Renovation & ExpansionIndustry: CommercialIndustry: ResidentialType: Architecture & Engineering+48 more

Greenway Engineering, Inc.

Winchester, VA

Experienced. Knowledgeable. Local.

WebsitePhone1 office1 projectsFounded 1971Size Estimate: 25-50 employeesUpdated Jun 2026

Project: National Museum of Intelligence and Special Operations

Service: Civil EngineeringService: Site Selection, Preparation, and DevelopmentService: Feasibility Studies and LayoutsIndustry: ResidentialIndustry: CommercialType: Civil Engineering+64 more

Gul Engineering PLLC

Alexandria, VA

Engineering Solutions for a Resilient Future

WebsitePhone1 office4 leaders4 credentialsUpdated Jun 2026

Service detail: Construction Management

Service: Construction ManagementService: Construction InspectionService: Quality Assurance & Quality Control (QA/QC)Industry: GovernmentIndustry: FederalType: Civil Engineering+6 more

Hassan Water Resources, PLC

Maidens, VA

Innovative Solutions to Water Resources Challenges

WebsitePhone1 office2 credentialsFounded 2007Size Estimate: 1-24 employeesUpdated Jun 2026

Service detail: Hydrologic and Hydraulic Engineering

Service: Hydrologic and Hydraulic EngineeringService: Watershed Hydrologic ModelingService: Riverine and Coastal Hydraulic ModelingIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Water / Wastewater Engineering+25 more