Public engineering firm directory

Find engineering consulting firms by capability and location.

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Bridgefarmer & Associates, Inc.

Dallas, TX

Engineering reliable transportation and heavy civil infrastructure since 1976

WebsitePhone6 offices8 projectsFounded 1976Updated Jun 2026

Project: DFW Connector

Service: Roadway and Highway EngineeringService: Urban Freeways and InterchangesService: Major and Complex Highway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+30 more

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

Corrosion Probe, Inc.

Centerbrook, CT

Preserving Infrastructure, One Solution at a Time.

WebsitePhone13 offices6 credentialsUpdated Jun 2026

Service detail: Materials & Corrosion

Service: Materials & CorrosionService: Material SelectionService: Damage Mechanism IdentificationIndustry: Pulp & PaperIndustry: Water SupplyType: Materials Engineering+30 more

GFT Infrastructure, Inc.

Allentown, PA

Ingenuity That Shapes Lives

WebsitePhone5 offices4 leadersUpdated Jun 2026

Service detail: Transportation

Service: TransportationService: Roadway and Highway DesignService: Bridge DesignIndustry: TransportationIndustry: AviationType: Transportation Engineering+38 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

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

Knott Laboratory, LLC

Centennial, CO

Questions answered. Problems solved.

WebsitePhone9 offices2 projects3 credentials5 publicationsFounded 1982

Project: ADA Ramp Design

Service: Structural EngineeringService: Civil EngineeringService: Accident ReconstructionIndustry: LegalIndustry: InsuranceType: Forensic Engineering+25 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

Walker Consultants

Chicago, IL

Bringing Life to the Built Environment

Website26 offices4 publicationsFounded 1965Size Estimate: 500+ employeesUpdated Jun 2026

Service detail: Parking Design

Service: Parking DesignService: Functional DesignService: Architecture DesignIndustry: AviationIndustry: ResidentialType: Forensic Engineering+44 more

Wiss, Janney, Elstner Associates, Inc.

Northbrook, IL

Solutions for the Built World

WebsitePhone30 offices5 projects5 credentials5 publicationsFounded 1956

Project: Washington Monument

Service: Structural EngineeringService: Bridge EngineeringService: Heavy Movable StructuresIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+54 more