Public engineering firm directory

Find engineering consulting firms by capability and location.

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Advanced Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects11 leadersFounded 1990Size Estimate: 60+ employees

Project: World Shale Gas and Shale Oil Resource Assessment

Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentService: Coalbed Methane Feasibility StudiesIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+20 more

Amentum

Chantilly, VA

Advancing the Future Together

Website1 office3 projects1 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Fukushima Cleanup

Service: Mission ModernizationService: Space SystemsService: Digital TransformationIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+20 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

BB&E

Northville, MI

Better, Faster, Different

WebsitePhone4 offices4 projects26 leadersFounded 2002Size Estimate: 375+ employees

Project: Air National Guard PFAS Assessments Nationwide

Service: Environmental EngineeringService: Environmental Assessments & InvestigationsService: PFAS AssessmentIndustry: FederalIndustry: DefenseType: Civil Engineering+10 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

Buchart Horn, Inc.

York, PA

Shaping the built environment with precision, creativity, and purpose since 1945

WebsitePhone9 offices6 projects4 leadersFounded 1945Size Estimate: 100-500 employees

Project: I-40/I-240 Interchange Improvements, Memphis, TN

Service: Water Resources EngineeringService: Wastewater treatment plant engineeringService: Water distribution and collection systemsIndustry: Water ResourcesIndustry: WastewaterType: Architecture & Engineering+41 more

Centuria Corporation

Reston, VA

A Data Driven Company

WebsitePhone2 offices3 projects7 leaders7 credentialsFounded 2002

Project: NOAA Radar Operations Center Mission Support Services

Service: Engineering & Scientific ServicesService: Systems EngineeringService: Modeling & SimulationIndustry: FederalIndustry: GovernmentType: Aerospace Engineering+61 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

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

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

Environ-Civil Engineering, Ltd.

Columbia, MD

Quality, Integrity, Innovation, and Responsiveness

WebsitePhone3 offices6 projects3 leaders12 credentialsFounded 1992

Project: WSSC Piscataway Water Resource Recovery Facility Bio-Energy Project

Service: Water & Wastewater EngineeringService: Water supply and distribution system designService: Distribution and transmission main systemsIndustry: GovernmentIndustry: FederalType: Water / Wastewater Engineering+50 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

Green Expert Technology Inc.

Haddonfield, NJ

Helping Clients Reach Their Mission. Helping Employees Reach Their Goals.

WebsitePhone6 offices5 projects6 leaders6 credentialsUpdated Jun 2026

Project: Support for US Navy Machinery Control Systems on DDG 51 Class Ships

Service: Systems EngineeringService: Integrated Bridge & Navigation SystemsService: Steering & Ship Control SystemsIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more

Hana Engineers and Consultants, LLC

Ashland, VA

Professional Engineering and Construction Management Services

WebsitePhone2 offices8 projects3 leaders4 credentialsFounded 2013

Project: Atlantic Wood Industries Superfund Site

Service: Environmental EngineeringService: Site AssessmentsService: Environmental InvestigationsIndustry: FederalIndustry: DefenseType: Environmental Engineering+18 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

LAND | Engineering, PLC

Fairfax, VA

LAND | Engineering, PLC is a civil and environmental engineering design firm serving Fairfax, VA and the Northern Virginia and DC Metro Area. It provides site design, stormwater management, green building consulting, and government contracting services, and has been active in Low-Impact Development and LEED rating system initiatives in the metropolitan Washington region.

WebsitePhone1 office8 projects1 leaders3 credentialsUpdated Jun 2026

Project: Washington Street

Service: Site Design and Land DevelopmentService: Site and Subdivision PlanningService: Grading and Drainage DesignIndustry: Land DevelopmentIndustry: GovernmentType: Civil Engineering+17 more

Loyola Enterprises Incorporated

Hampton, VA

Modeling, simulation, information technology, and audio-visual systems integration.

WebsitePhone1 office2 projects5 credentialsFounded 1991Updated Jun 2026

Project: NIFC Remote Automatic Weather Station Engineering Support

Service: Information Technology ServicesService: Software Engineering and ProgrammingService: IT Systems AdministrationIndustry: GovernmentIndustry: FederalType: Electrical Engineering+31 more

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

MSA, P.C.

Virginia Beach, VA

Engineers, scientists, surveyors

WebsitePhone1 office19 projects5 leadersFounded 1973Updated Jun 2026

Project: Road Repairs - Sheridan, Wilson and McClellan Drives, Arlington National Cemetery

Service: Civil EngineeringService: Site Development and ImprovementsService: Streets, Highways, and Parking FacilitiesIndustry: CommercialIndustry: EducationType: Civil Engineering+27 more

Mattern & Craig

Roanoke, VA

Engineering Solutions for Change & Growth

WebsitePhone6 offices1 projects13 leaders10 credentialsFounded 1978

Project: King University Topographic and Utility Survey

Service: Survey & MappingService: Civil EngineeringService: Site Planning & DevelopmentIndustry: GovernmentIndustry: FederalType: Civil Engineering+37 more

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

Mendez Group, Inc.

Kenner, LA

Mendez Group, Inc. is a nationally recognized environmental and engineering consulting firm founded in 1998, headquartered in Kenner, Louisiana, with regional offices in Virginia, Florida, Texas, and Hawaii. Its multidisciplinary teams serve federal agencies, prime contractors, and private-sector partners across environmental consulting, engineering services, planning and ecological restoration, cultural resources compliance, and professional services. Active federal contracts include NAVFAC Mid-Atlantic, NAVFAC Southeast, USACE Memphis District, USACE New Orleans, and the U.S. Environmental Protection Agency.

Website5 offices7 projectsFounded 1998Updated Jun 2026

Project: Bat Surveys, Naval Station Guantanamo Bay

Service: Environmental ConsultingService: Engineering ServicesService: Planning and RestorationIndustry: Environmental & RemediationIndustry: GovernmentType: Environmental Engineering+6 more

Michael Baker International

Pittsburgh, PA

We Make a Difference

Website18 offices5 projects15 leaders5 credentials4 publicationsFounded 1940

Project: Fika Remote Footbridge Build

Service: Infrastructure EngineeringService: Roadway and Highway DesignService: Bridge Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+46 more

PEG, LLC

Fairfax, VA

Passionate Pursuit of Perfection

WebsitePhone1 office15 leaders4 credentialsFounded 1998Updated Jun 2026

Service detail: MEP Design

Service: MEP DesignService: HVAC DesignService: Green Building & Empirical SolutionsIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+8 more