Public engineering firm directory

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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

GFT Infrastructure, Inc.

Chicago, IL

Ingenuity That Shapes Lives

WebsitePhone12 offices10 projects10 leaders8 credentials3 publications

Project: O'Hare International Airport Terminal 5 Expansion

Service: Transportation EngineeringService: Roadway Planning and EngineeringService: High-Availability Transit FacilitiesIndustry: TransportationIndustry: BridgesType: Architecture & Engineering+43 more

KPFF Consulting Engineers

Portland, OR

KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.

Website33 offices5 projectsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Portland International Airport (PDX), Terminal Core Redevelopment

Service: Structural EngineeringService: Bridge EngineeringService: Protective DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+39 more

Mesa Associates, Inc.

Madison, AL

Engineers and Consultants

WebsitePhone18 offices2 leadersFounded 1988Size Estimate: 1,000+ employeesUpdated Jun 2026

Service detail: Engineering & Design Services

Service: Engineering & Design ServicesService: 3D ModelingService: UAV InspectionIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+18 more

SEA, Ltd.

Columbus, OH

Revealing the Cause. Mitigating the Risk.

WebsitePhone13 offices1 leadersFounded 1970Size Estimate: 350+ employeesUpdated Jun 2026

Service detail: Forensic Engineering & Investigation

Service: Forensic Engineering & InvestigationService: Accident ReconstructionService: Fire and Explosion InvestigationIndustry: Consumer ProductsIndustry: Power GenerationType: Civil Engineering+38 more

V3 Companies

Chicago, IL

The Vision to Transform with Excellence

Website14 offices7 projects15 leaders2 credentialsFounded 1983Updated Jun 2026

Project: Elgin O'Hare Western Access Project

Service: Land DevelopmentService: Site Civil EngineeringService: Environmental ConsultingIndustry: CommercialIndustry: EducationType: Civil Engineering+49 more