Public engineering firm directory

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1200 Architectural Engineers PLLC

Alexandria, VA

Illuminating Structure and New Uses.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural and Architectural Engineering

Service: Structural and Architectural EngineeringService: Historic Preservation EngineeringService: New Construction EngineeringIndustry: ResidentialIndustry: Historic PreservationType: Structural Engineering+5 more

Ballard CLC, Inc.

Alexandria, LA

Providing the Highest Level of Services

WebsitePhone1 office13 projects7 leadersFounded 1908Updated Jun 2026

Project: Alexandria VA Medical Center

Service: ArchitectureService: Educational Facility ArchitectureService: Residential ArchitectureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+42 more

CLC Engineering, LLC

Alexandria, LA

CLC Engineering is a consulting practice based in Alexandria, Louisiana, known for its focused, client-driven approach and responsive service. It specializes in civil and structural engineering for foundations, substations, switchyards, and transmission and distribution lines. Additional services include electrical design for high-voltage systems, environmental services, and forensic engineering inspections for industrial, commercial, and residential structures. Licensed in all 50 states and one U.S. territory, CLC manages projects across the continental United States and internationally.

WebsitePhone1 office3 leaders3 credentialsSize Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Civil Design

Service: Civil DesignService: Storm DrainageService: Site GradingIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Civil Engineering+38 more

Design Tree

Alexandria, MN

Our Roots. Your Growth.

WebsitePhone1 office14 projects9 leadersUpdated Jun 2026

Project: Rogers Indoor Turf Facility / HealthPartners Fieldhouse

Service: Civil EngineeringService: Applications for funding agenciesService: Site layout and grading designIndustry: EducationIndustry: GovernmentType: Civil Engineering+53 more

Hall Group Design Engineering Firm, LLC

Alexandria, VA

Because We Care About People, We Care About Buildings

WebsitePhone1 office3 projects2 leaders3 publicationsUpdated Jun 2026

Project: Clubhouse Renovation

Service: Facility EngineeringService: Facility PlanningService: Engineering StudiesIndustry: CommercialIndustry: ResidentialType: Architecture & Engineering+17 more

JSD Professional Services, Inc.

Madison, WI

Planning, Engineering, Surveying, Landscape Architecture, Development Services

Website7 offices5 projects5 leaders14 credentialsFounded 1998Size Estimate: 50-150 employees

Project: Nativity Jesuit Academy Pedestrian Mall

Service: Civil EngineeringService: Site grading and earthworkService: Utility designIndustry: Multifamily ResidentialIndustry: Senior LivingType: Civil Engineering+40 more

Matteo Ferran Structural Engineers PLLC

Alexandria, VA

Where historic systems and cutting-edge technologies find common ground.

WebsitePhone1 office9 projects8 leadersSize Estimate: 1-10 employeesUpdated Jun 2026

Project: Fallingwater

Service: Structural EngineeringService: Code-based AnalysisService: Structural DesignIndustry: Historic PreservationIndustry: Arts & CultureType: Structural Engineering+12 more

Meyer, Meyer, LaCroix & Hixson, Inc.

Alexandria, LA

Our Best, Every Day

WebsitePhone2 offices20 projects7 leaders3 credentialsFounded 1968

Project: Eagle Point Drive Drainage

Service: EngineeringService: Comprehensive Planning and Feasibility StudiesService: Financial Analysis and Funding AcquisitionIndustry: IndustrialIndustry: CommercialType: Civil Engineering+42 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

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

NBCG Consulting Group, LLC

Alexandria, VA

Intelligence Behind The Build

WebsitePhone1 office4 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Design Expertise

Service: Design ExpertiseService: Architectural PlanningService: Structural EngineeringIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+28 more

PCCI, Inc.

Alexandria, VA

Sensible solutions to difficult problems

WebsitePhone1 office10 projectsFounded 1981Updated Jun 2026

Project: San Clemente Island Shore Cable and Hydrophone Array Installation

Service: Multidiscipline EngineeringService: Equipment Packaging for Rapid ResponseService: Heavy Lift Rigging and TransportIndustry: MarineIndustry: DefenseType: Marine Engineering+26 more

Seal Engineering, Inc.

Alexandria, VA

Seal Engineering, Inc. is a civil and structural engineering company founded in 1980 and based in Alexandria, Virginia, specializing in roofing, waterproofing, and building enclosure design and consulting. With over 10,000 completed investigations and designs, it has worked on landmark and historic federal buildings including the White House, Lincoln and Jefferson Memorials, the Pentagon, the Supreme Court, and numerous Smithsonian Institution museums.

Website1 office3 projectsFounded 1980Updated Jun 2026

Project: Lincoln and Jefferson Memorial Roof Replacement

Service: Roofing EngineeringService: Waterproofing EngineeringService: Building Enclosure ConsultingIndustry: GovernmentIndustry: FederalType: Civil Engineering+5 more

Tridentis, LLC

Alexandria, VA

The Next Generation Ship Design and Engineering Firm

WebsitePhone4 offices3 projects1 leaders1 credentialsSize Estimate: 10-50 employees

Project: Georgetown Heritage Canal Boat

Service: Ship Design and EngineeringService: Concept Design and Trade StudiesService: Preliminary Vessel DesignIndustry: DefenseIndustry: FederalType: Electrical Engineering+48 more

Widseth

Alexandria, MN

We design buildings and infrastructure to make communities better.

WebsitePhone13 offices2 projects1 leaders1 credentialsFounded 1975

Project: The Pond

Service: ArchitectureService: Interior DesignService: Landscape ArchitectureIndustry: GovernmentIndustry: CommercialType: Architecture & Engineering+37 more

Woods Peacock Engineering Consultants, Inc.

Alexandria, VA

Woods Peacock Engineering Consultants, Inc. provides structural engineering and project management services for clients across the United States and worldwide. A successor firm to FDE, Ltd., one of the oldest structural engineering practices in Metropolitan Washington, Woods Peacock specializes in new construction, renovation, building evaluation, load surveys, and advanced capabilities including blast resistance, anti-terrorism/force protection design, progressive collapse analysis, seismic analysis and retrofit, concrete repair, and historic restoration.

WebsitePhone1 office2 leaders11 credentialsUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: New Construction DesignService: Renovation and Building EvaluationIndustry: FederalIndustry: DefenseType: Structural Engineering+14 more