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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Accurate Group, Inc.

Lincolnshire, IL

A solution-oriented international organization experienced in engineering and IT services.

Website1 office7 projectsFounded 1994Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Grand Ave. Ramp Reconstruction

Service: Civil EngineeringService: Land Development and Real Estate SupportService: Infrastructure Planning and OversightIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 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

Bloom Companies, LLC

Milwaukee, WI

Bloom Companies, LLC is an engineering, architecture, and construction management practice founded in 1998 in Milwaukee, Wisconsin. Established by Mathew Tharaniyil, the organization initially focused on bridge and structural engineering, eventually expanding to cover transportation, architecture, electrical and controls, and design-build delivery. It has grown through key acquisitions, including Hay Dobbs in 2024 and Jendusa Design Build in 2025, and serves academic, municipal, transportation, industrial, and utility clients across multiple US offices and international locations.

WebsitePhone7 offices15 projects1 leaders12 credentialsFounded 1998

Project: Historic West Kilbourn Avenue Bascule Bridge Rehabilitation

Service: Bridge EngineeringService: New Bridge DesignService: Condition InspectionIndustry: BridgesIndustry: RailType: Civil Engineering+57 more

Bruner, Cooper & Zuck, Inc.

Galesburg, IL

Engineers, Architects & Land Surveyors

WebsitePhone3 offices6 projects2 credentialsUpdated Jun 2026

Project: Cardinal Point Wind Farm

Service: Engineering and ArchitectureService: Civil EngineeringService: Structural EngineeringIndustry: CommercialIndustry: RetailType: Architecture & Engineering+36 more

DB Sterlin Consultants, Inc.

Chicago, IL

One Vision. Shared Future.

WebsitePhone1 office6 projects1 credentialsUpdated Jun 2026

Project: Wells Street Bridge over the Chicago River

Service: Civil EngineeringService: Roadway Design & GeometricsService: Bicycle & Multi-Use Pathway DesignIndustry: GovernmentIndustry: BridgesType: Civil Engineering+32 more

Delta Engineering Group, LLC

Chicago, IL

Engineering a Better Tomorrow

WebsitePhone1 office4 projects8 credentialsFounded 1987Updated Jun 2026

Project: Metra Consolidated Control Facility

Service: Civil EngineeringService: Roads and StreetsService: FreewaysIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+50 more

GSG Consultants, Inc.

Schaumburg, IL

Shaping the Midwest Since 1992

WebsitePhone2 offices2 leaders1 credentialsFounded 1992Size Estimate: 100-499 employees

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Natural ResourcesService: NEPA and Regulatory ComplianceIndustry: BridgesIndustry: EducationType: Civil Engineering+38 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

Hutchison Engineering, Inc.

Jacksonville, IL

Delivering Timely Infrastructure Solutions

WebsitePhone8 officesFounded 1945Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Highway, Road, and Street Planning and DesignService: Traffic Planning and ManagementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+46 more

Rubinos & Mesia Engineers, Inc.

Chicago, IL

Engineering, from the ground up.

WebsitePhone1 office14 projects6 credentialsFounded 1982Updated Jun 2026

Project: Dominick Bridge at Lincoln Yards

Service: Structural EngineeringService: New ConstructionService: RenovationIndustry: TransportationIndustry: EducationType: Structural Engineering+41 more

The HOH Group Inc

Schaumburg, IL

New Technology. Merged with Legacy Experience.

WebsitePhone1 office8 projects1 leaders9 credentialsSize Estimate: 70 employees

Project: Affiliated Oncologists Clinic and Treatment Outpatient Center

Service: ArchitectureService: Specialized Architectural ServicesService: Construction ManagementIndustry: GovernmentIndustry: Highways & RoadsType: Architecture & Engineering+29 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

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

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