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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C.C. Johnson & Malhotra, P.C.

Baltimore, MD

Provide the Highest Level of Service to Our Clients While Delivering Value

WebsitePhone6 offices16 projects8 leadersFounded 1979Size Estimate: 50-100 employees

Project: 540 West Madison

Service: Buildings and FacilitiesService: HVAC Systems DesignService: Electrical Power and LightingIndustry: CommercialIndustry: RetailType: Civil Engineering+58 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

Clark Dietz, Inc.

Champaign, IL

Engineering Quality of Life

Website13 offices12 projects2 leaders4 credentialsSize Estimate: 100-400 employeesUpdated Jun 2026

Project: Illinois Tollway I-294 Bridge Reconstruction

Service: Transportation & RoadwaysService: Highways + InterstatesService: Local + County RoadsIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+35 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

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

David Mason + Associates

St. Louis, MO

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.

WebsitePhone7 offices7 projectsFounded 1989Size Estimate: 100-250 employeesUpdated Jun 2026

Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations

Service: Civil EngineeringService: Structural EngineeringService: Survey and 3D ScanningIndustry: HealthcareIndustry: EducationType: Civil Engineering+20 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

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

Horner & Shifrin, Inc.

St. Louis, MO

Horner & Shifrin is a multidisciplinary professional services engineering firm founded in St. Louis in 1933, offering building systems MEP/FP engineering, water and wastewater, transportation, structural, environmental, geospatial, surveying, and construction services. With nine offices across Missouri, Illinois, and Arkansas and repeat client assignments from 80% of its client base, H&S serves education, government, healthcare, emergency services, utilities, and private markets throughout the Midwest.

WebsitePhone9 offices8 leaders2 credentialsFounded 1933Updated Jun 2026

Service detail: Building Services

Service: Building ServicesService: Drinking WaterService: WastewaterIndustry: EducationIndustry: GovernmentType: MEP+32 more

Milhouse Engineering and Construction, Inc.

Chicago, IL

We deliver creative solutions to complex problems

Website1 office1 projects21 leadersFounded 2001Size Estimate: 500-4,999 employeesUpdated Jun 2026

Project: O'Hare 10 Center

Service: Architectural EngineeringService: Civil EngineeringService: Comprehensive Civil Engineering And Transportation Design ServicesIndustry: AviationIndustry: Oil & GasType: Civil Engineering+31 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

Sargent & Lundy

Chicago, IL

Bright ideas, real solutions.

WebsitePhone1 office3 projects4 leaders4 credentialsFounded 1891

Project: San Francisco BART Battery Storage Feasibility Study

Service: Nuclear PowerService: New Reactor LicensingService: Extended Power UprateIndustry: NuclearIndustry: Power GenerationType: Power & Utility Engineering+34 more