Public engineering firm directory

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BLA, Inc.

Itasca, IL

We build our success by building yours.

WebsitePhone2 offices7 projects16 leadersFounded 1978Updated Jun 2026

Project: Elgin O'Hare Western Access

Service: Construction EngineeringService: Public Outreach and Information ProgramsService: Contractor Compliance and Schedule ManagementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+13 more

Christopher B. Burke Engineering, Ltd.

Rosemont, IL

Full-Service Consulting Engineers

WebsitePhone5 offices10 projects61 credentialsFounded 1986Size Estimate: 250-500 employees

Project: Presidential Park

Service: Civil DesignService: Roadway and Streetscape DesignService: Site DevelopmentIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+51 more

Civiltech Engineering, Inc.

Itasca, IL

Civiltech Engineering is a transportation and civil engineering firm headquartered in Itasca, Illinois, providing innovative planning, design, and construction engineering solutions for transportation networks in the Chicagoland area and beyond since 1988. With offices in Itasca, Chicago, and Milwaukee, Civiltech delivers transportation design, traffic engineering, structural design, water resources, environmental studies, urban design, and program management services to public and private sector clients.

Website3 officesFounded 1988Updated Jun 2026

Service detail: Transportation Design

Service: Transportation DesignService: Traffic EngineeringService: Traffic studiesIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+19 more

Collins Engineers, Inc.

Chicago, IL

Building Tomorrow's Infrastructure, Today

WebsitePhone1 office11 projects1 leaders4 credentialsFounded 1979

Project: The 606 - Chicago, IL

Service: Civil EngineeringService: Site PlanningService: Utility DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+56 more

DBS + M2 Engineering

Cedarburg, WI

One Vision. Shared Future.

WebsitePhone3 offices5 projectsUpdated Jun 2026

Project: Central Tri-State Tollway Mile Long Bridge (I-294) Reconstruction

Service: SurveyingService: As-Built SurveysService: Transportation Design SurveyIndustry: CommercialIndustry: ResidentialType: Civil Engineering+43 more

Environmental Design International Inc.

Chicago, IL

Excellence, dedication, and innovation.

WebsitePhone1 office4 projects6 leadersFounded 1991Updated Jun 2026

Project: IDOT District 1 Surveying

Service: Civil EngineeringService: Roadway and Highway DesignService: Location Design StudiesIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+17 more

Fuhrmann Engineering Inc.

Springfield, IL

Providing timely, cost-effective, sustainable engineering solutions through long-term relationships

WebsitePhone4 offices1 credentialsUpdated Jun 2026

Service detail: Bridge Engineering

Service: Bridge EngineeringService: Bridge design (new construction and retrofit)Service: NBIS and element-level bridge inspectionIndustry: BridgesIndustry: Highways & RoadsType: Transportation Engineering+36 more

Gewalt Hamilton Associates Inc

Vernon Hills, IL

A Personal Approach to Civil Engineering

WebsitePhone3 officesFounded 1981Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Municipal EngineeringService: Site Civil EngineeringIndustry: CommercialIndustry: EducationType: Civil Engineering+27 more

HBM Engineering Group, LLC

Hillside, IL

Lead. Thrive. Innovate. Succeed.

WebsitePhone2 offices5 leaders4 credentialsFounded 2001Updated Jun 2026

Service detail: Consulting & Design

Service: Consulting & DesignService: Structural EngineeringService: Civil & Transportation DesignIndustry: TransportationIndustry: BridgesType: Structural Engineering+18 more

Hampton, Lenzini and Renwick, Inc.

Elgin, IL

Engineering the Success of Our Communities

WebsitePhone4 offices5 projects9 leaders5 credentialsFounded 1965

Project: Tudor Court Street and Streetscape Improvements

Service: Preliminary EngineeringService: Feasibility AnalysisService: Agency CoordinationIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+52 more

Hey and Associates, Inc.

Chicago, IL

Helping communities create sustainable infrastructure and environments

Website3 offices9 projects1 credentialsFounded 1976Updated Jun 2026

Project: Tower Lakes Watershed Study

Service: Civil EngineeringService: Stormwater & Floodplain ManagementService: Hydraulic Structures & ConveyanceIndustry: Parks & Open SpaceIndustry: TransportationType: Civil Engineering+30 more

Juneau Associates, Inc., P.C.

Granite City, IL

Juneau - Where Experience Matters

Website3 offices3 projects5 leaders4 credentialsFounded 1980Updated Jun 2026

Project: Glencoe Road over Hamilton Creek Bridge Replacement

Service: Civil EngineeringService: Structural EngineeringService: RehabilitationIndustry: GovernmentIndustry: IndustrialType: Civil Engineering+37 more

Milano & Grunloh Engineers, LLC

Effingham, IL

Engineering Solutions for Stronger Communities

WebsitePhone1 officeFounded 1979Updated Jun 2026

Service detail: Site Development

Service: Site DevelopmentService: SurveyingService: MappingIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+19 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

Sheppard, Morgan & Schwaab, Inc.

Alton, IL

Building on more than a century of excellence

WebsitePhone1 office4 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Commercial Site DevelopmentService: Residential Subdivision DevelopmentIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+25 more

TERRA Engineering, Ltd.

Chicago, IL

TERRA Engineering, Ltd. is a multi-disciplinary engineering and consulting firm with offices in Chicago, Peoria, St. Louis, and Milwaukee. TERRA provides transportation engineering, structural engineering, site development, landscape architecture, traffic engineering, electrical engineering, water resources, surveying, GIS, municipal engineering, construction engineering, and public involvement services for public and private clients in the Midwest and on international projects.

WebsitePhone4 offices10 projectsUpdated Jun 2026

Project: UChicago Campus South Walk

Service: Transportation EngineeringService: Structural EngineeringService: Site DevelopmentIndustry: GovernmentIndustry: TransportationType: Civil Engineering+16 more

Thornton Tomasetti

New York, NY

When others say no, we say "Here's How"

WebsitePhone5 offices6 projects2 credentials3 publicationsFounded 1949

Project: Microsoft Mass Timber Data Centers

Service: Structural DesignService: Building Structural DesignService: Megatall, Supertall & Tall BuildingsIndustry: CommercialIndustry: AviationType: Acoustic Consulting+51 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

Weis Design Group

Ellisville, MO

Building Community

WebsitePhone3 offices3 leaders5 credentialsFounded 1969Updated Jun 2026

Service detail: Civil Engineering Design

Service: Civil Engineering DesignService: Roadway Design & EnhancementService: Stormwater ManagementIndustry: EducationIndustry: Sports & RecreationType: Civil Engineering+23 more

Willett, Hofmann & Associates, Inc.

Dixon, IL

Serving clients Ethically, Responsively and Professionally

WebsitePhone9 offices5 projects33 leaders16 credentialsFounded 1935

Project: Captain Swift Timber Covered Bridge

Service: Structural EngineeringService: Bridge DesignService: Bridge RatingsIndustry: Land DevelopmentIndustry: CommercialType: Architecture & Engineering+74 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