Public engineering firm directory

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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

DeSimone Consulting Engineering

New York, NY

Bridging science and humanity

Website11 offices1 projects3 leaders10 credentialsFounded 1969Updated Jun 2026

Project: Terminal Warehouse

Service: Structural DesignService: Facade and Building EnvelopeService: RestorationIndustry: AviationIndustry: TransportationType: Structural Engineering+23 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

Meyer Borgman Johnson

Minneapolis, MN

Structure That Shapes

WebsitePhone7 offices20 projects20 leaders1 credentials6 publications

Project: Globe Life Field

Service: Structural DesignService: Sustainable DesignService: Embodied Carbon AnalysisIndustry: HealthcareIndustry: EducationType: Structural Engineering+16 more

Nayyar and Nayyar International, P.C.

Chicago, IL

Nayyar and Nayyar International, P.C. (NNI) is a structural engineering design practice based in Chicago, Illinois. Founded in 1985, NNI provides structural design and construction engineering services for commercial, educational, government, healthcare, hospitality, and residential buildings across the United States and internationally. The practice collaborates with architectural firms, developers, general contractors, and construction managers from the initial planning stages to develop cost-effective, sustainable, and architecturally aligned structural solutions, including LEED-certified projects, anti-terrorism force protection, and progressive collapse design.

WebsitePhone1 office17 projects1 credentialsFounded 1985Size Estimate: 10-49 employees

Project: State Place Mixed-Use Residential Development

Service: Structural DesignService: Rehabilitation and RenovationService: Anti-Terrorism Force Protection DesignIndustry: CommercialIndustry: ResidentialType: Structural Engineering+15 more

Paradigm Structural Engineers, Inc.

San Francisco, CA

Intelligent Structural Solutions

WebsitePhone3 offices12 projects1 leadersFounded 1999Size Estimate: 66 employees

Project: 8VC

Service: Structural DesignService: Ground Up DesignService: Tenant Improvements and RenovationsIndustry: Mission Critical FacilitiesIndustry: Data CentersType: Structural Engineering+19 more

Pierce Engineers Inc.

Milwaukee, WI

Pierce Engineers (PE) is a structural engineering firm headquartered in Milwaukee, Wisconsin, with additional offices in Madison, Chicago, and Denver. PE has developed diverse technical expertise over more than 30 years and maintains professional and/or structural engineering licenses nationally, serving clients throughout the United States from its Midwest offices.

WebsitePhone4 offices3 leadersUpdated Jun 2026

Service detail: Structural Design

Service: Structural DesignService: Concrete StructuresService: Structural SteelIndustry: CommercialIndustry: Mixed-UseType: Structural Engineering+20 more

SINGH + Associates

Chicago, IL

Experience. Reliability. Integrity.

WebsitePhone1 office2 projects7 leaders7 credentialsFounded 1992

Project: Illinois Tollway Central Tri-State Reconstruction

Service: Civil EngineeringService: Transportation EngineeringService: Electrical EngineeringIndustry: GovernmentIndustry: TransportationType: Civil Engineering+19 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