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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Delon Hampton & Associates, Chartered

Washington, DC

Engineering is our practice. Commitment to excellence is our passion.

WebsitePhone5 offices10 projects8 leaders12 credentialsFounded 1973

Project: DC Water Clean Rivers

Service: Civil EngineeringService: Site Design and FeasibilityService: Infrastructure Evaluation and DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+27 more

GEI Consultants, Inc.

New York City, NY

Relentless seekers of the best solutions.

Website4 offices13 projects6 leaders3 credentialsUpdated Jun 2026

Project: Royse City, Texas Drainage Master Plan

Service: Geotechnical EngineeringService: Geostructural DesignService: Building Envelope ServicesIndustry: Water ResourcesIndustry: Water SupplyType: Geotechnical Engineering+40 more

Martin/Martin, Inc.

Denver, CO

Structures that Inspire

WebsitePhone9 offices4 leaders1 credentialsFounded 1946Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Bridge Design & InspectionService: Mass Timber DesignIndustry: HealthcareIndustry: EducationType: Structural Engineering+14 more

Primera Engineers, Ltd.

Chicago, IL

People-forward engineering design and consulting services

WebsitePhone5 offices4 projects16 leaders17 credentialsFounded 1987

Project: U.S. Navy Great Lakes Bachelor Enlisted Quarters

Service: Buildings EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: HealthcareType: Aviation Engineering+40 more

Robert and Company

Atlanta, GA

Robert and Company is a multidisciplinary engineering, architecture, and planning practice founded in 1917. Headquartered in Atlanta, Georgia, it delivers comprehensive planning, landscape architecture, and engineering services across the aviation, municipal, military, and industrial sectors. With a history of regional and global projects, the practice handles complex facilities from master planning through construction administration.

Website1 office26 projects3 credentialsFounded 1917Updated Jun 2026

Project: New Sohar Airport Terminal

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: DefenseType: Civil Engineering+31 more

S.L. King & Associates, Inc.

Atlanta, GA

Innovative Minds. Sustainable Outcomes. Built on Service.

WebsitePhone1 office10 projects13 leaders7 credentialsFounded 1996

Project: Big Creek Water Treatment Plant

Service: MEP EngineeringService: Mechanical Systems DesignService: Electrical Systems DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+30 more

Salas O'Brien

Aiken, SC

Engineered for Impact

WebsitePhone12 offices2 projects5 leaders5 credentialsSize Estimate: 1,000+ employees

Project: Wake Tech East Campus

Service: Built EnvironmentService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: Automation & Controls+37 more

Sherwood Design Engineers

San Francisco, CA

Committed to the integration of infrastructure, design, and the environment.

Website8 offices9 projects6 leaders6 credentials5 publicationsSize Estimate: 100-250 employees

Project: Theodore Roosevelt Presidential Library

Service: Civil EngineeringService: Site grading and drainage designService: Utility infrastructure designIndustry: Parks & Open SpaceIndustry: EducationType: Civil Engineering+52 more

Spring Engineering, Inc.

Holiday, FL

We put the details together, so our projects stand apart.

WebsitePhone2 offices5 projects1 leaders4 credentialsFounded 1988

Project: Tampa Family Health Centers - Bearss Avenue

Service: ArchitectureService: Architectural DesignService: Landscape ArchitectureIndustry: HealthcareIndustry: AutomotiveType: Architecture & Engineering+19 more

W&A Engineering

Athens, GA

Improving communities with innovative design, effective and efficient engineering, and professional service.

WebsitePhone5 offices6 projectsFounded 1999Size Estimate: 70 employeesUpdated Jun 2026

Project: Nissan Stadium

Service: Civil EngineeringService: Transportation & Traffic EngineeringService: Land SurveyingIndustry: GovernmentIndustry: TransportationType: Civil Engineering+17 more

Wallace Design Collective, PC

Tulsa, OK

dedicated to the art of possibility.

WebsitePhone8 offices6 projects5 leaders3 publicationsFounded 1981

Project: Petersen Automotive Museum

Service: Building Engineering & InspectionService: Structural EngineeringService: Special InspectionsIndustry: Arts & CultureIndustry: CommercialType: Structural Engineering+21 more

Woolpert

Beavercreek, OH

Global resources. End-to-end solutions. Innovative results.

WebsitePhone8 offices3 projects8 leaders9 credentialsFounded 1911

Project: USACE I-ATLAS Coastal Mapping and Nautical Charting

Service: ArchitectureService: Mission-Critical ArchitectureService: Education Facility ArchitectureIndustry: AviationIndustry: AirportsType: Architecture & Engineering+48 more