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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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

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

Bodwe WBK Engineering

St. Charles, IL

We are problem solvers with sustainable solutions to complex challenges

WebsitePhone6 offices2 projects3 leaders8 credentialsFounded 1998

Project: Springinsguth Stream Corridor Restoration

Service: Transportation and RoadwaysService: Roadway Design and Corridor ImprovementService: Traffic Engineering and Impact StudiesIndustry: GovernmentIndustry: FederalType: Civil Engineering+27 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

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

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

EFK Moen, LLC

St. Louis, MO

Pioneering Civil Engineering Excellence Since 1998

WebsitePhone5 offices12 projects11 leadersFounded 1998Updated Jun 2026

Project: Manchester Road

Service: Roadway & Highway DesignService: Interstate and Highway DesignService: Maintenance of TrafficIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+17 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

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

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

Kaskaskia Engineering Group, LLC

Belleville, IL

Exceptional, innovative, and comprehensive engineering and contracting solutions

WebsitePhone1 office5 projects2 leadersUpdated Jun 2026

Project: Troy O'Fallon Road Bridge Replacement

Service: Civil EngineeringService: Comprehensive Civil DesignService: Planning Services Tailored To MunicipalIndustry: GovernmentIndustry: FederalType: Civil Engineering+67 more

Lochner

Chicago, IL

Trusted Infrastructure Services for Aviation, Transportation, and Water

WebsitePhone1 office8 projects6 leaders4 credentialsFounded 1944

Project: DFW On-Call Signage Implementation Support

Service: AviationService: Airport PlanningService: Airport Engineering and DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+41 more

Orion Engineers, PLLC

Chicago, IL

Civil, structural, and construction engineering solutions for building, transportation, and utility infrastructure

WebsitePhone1 office11 projectsUpdated Jun 2026

Project: State Armory Renovation

Service: Buildings - Structural EngineeringService: New Construction DesignService: Renovations & RetrofitsIndustry: GovernmentIndustry: EducationType: Civil Engineering+87 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

R.A. Smith, Inc.

Brookfield, WI

Trusted advisors serving our clients nationwide

Website6 offices3 projects1 credentialsFounded 1978Size Estimate: 50-200 employeesUpdated Jun 2026

Project: Baker Industrial Building

Service: Civil Engineering / Site DesignService: Site grading and drainageService: Utility coordinationIndustry: IndustrialIndustry: GovernmentType: Civil Engineering+52 more

SRF Consulting Group, Inc.

Minneapolis, MN

Forward thinking. Consensus driven. People focused.

Website8 offices6 projects8 leaders1 publicationsFounded 1961Size Estimate: 200-500 employees

Project: METRO Green Line LRT Extension, West Segment

Service: Bridges and StructuresService: Bridge design and rehabilitationService: Structural inspectionIndustry: GovernmentIndustry: FederalType: Civil Engineering+56 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

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

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