Public engineering firm directory

Find engineering consulting firms by capability and location.

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Arc Design Resources, Inc.

Loves Park, IL

Quality and responsive civil engineering, land surveying, and landscape design

WebsitePhone1 office5 projects7 leadersFounded 1993Updated Jun 2026

Project: Regional Cancer Center

Service: Civil EngineeringService: Site Planning & PermittingService: Utility & Drainage DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+16 more

Atlas Engineering Group, Ltd.

Deerfield, IL

Innovate, Empower, and Collaborate

Website2 offices12 leadersFounded 2007Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Highway DesignService: Traffic EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+21 more

Chamlin & Associates

Peru, IL

Shaping communities with integrity, expertise, and purpose.

WebsitePhone3 offices2 projects4 leaders1 credentialsFounded 1952

Project: Spring Valley Wastewater Treatment Plant

Service: Land SurveysService: Boundary SurveysService: Construction LayoutIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+35 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

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

Kapur & Associates, Inc.

Milwaukee, WI

No Job is Too Big.

Website11 offices6 projects1 leaders8 credentialsFounded 1981Updated Jun 2026

Project: I-43 North South Freeway

Service: TransportationService: PlanningService: Transportation DesignIndustry: TransportationIndustry: GovernmentType: Civil Engineering+64 more

Robinson Engineering, Ltd.

Frankfort, IL

Beyond Engineering

WebsitePhone1 office14 projectsFounded 1937Size Estimate: 100-499 employeesUpdated Jun 2026

Project: Downtown Streetscape

Service: Municipal EngineeringService: Infrastructure Master PlanningService: Financing & Grant AssistanceIndustry: GovernmentIndustry: TransportationType: Civil Engineering+50 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

Thouvenot, Wade & Moerchen, Inc. (TWM)

Swansea, IL

Exceptional Service. Nothing Less.

WebsitePhone1 office2 projects13 credentialsSize Estimate: 200+ employeesUpdated Jun 2026

Project: Pierce Terrace Elementary School

Service: Transportation & Traffic EngineeringService: Roadway DesignService: Traffic & Safety StudiesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+34 more

WHKS & Co.

Mason City, IA

Developing People. Creating Solutions. Shaping the Horizon.

WebsitePhone8 offices3 projects2 leaders10 credentialsFounded 1948

Project: Bushel Boy Farms Development

Service: Transportation EngineeringService: Bridges and Highway StructuresService: RoadwaysIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+33 more