Public engineering firm directory

Find engineering consulting firms by capability and location.

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ROPS and Cab Engineering, LLC

Wausau, WI

Specialist engineering for ROPS, FOPS, and operator protective structures

WebsitePhone1 office1 leaders3 credentialsUpdated Jun 2026

Service detail: ROPS/FOPS/OPS and Cab Design

Service: ROPS/FOPS/OPS and Cab DesignService: Concept Ideation and Product SpecificationService: Operator Space and Sightline ModelingIndustry: AgricultureIndustry: MiningType: Mechanical Engineering+19 more

Ramaker & Associates

Madison, WI

architecture, engineering, + problem solving

WebsitePhone1 office2 projectsSize Estimate: 90 employeesUpdated Jun 2026

Project: The Rise of Icarus

Service: ArchitectureService: Architectural Design Across CommercialService: GovernmentIndustry: Sports & RecreationIndustry: GovernmentType: Architecture & Engineering+31 more

Rice Engineering, Inc.

Luxemburg, WI

Beyond the Structure...

WebsitePhone3 offices2 credentialsFounded 1994Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Building Structural DesignService: Blast-Resistant DesignIndustry: CommercialIndustry: ResidentialType: Structural Engineering+24 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

Snyder & Associates

Ankeny, IA

Delivering Solutions to Improve the Quality of Life

WebsitePhone5 offices6 projects7 leaders3 credentialsSize Estimate: 300+ employees

Project: Prairie Ridge Sports Complex

Service: Land DevelopmentService: Commercial Site DevelopmentService: Industrial Site DevelopmentIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+47 more

Spire Engineering, Inc.

Milwaukee, WI

Spire Engineering, Inc. is a Milwaukee-based, full-service structural engineering firm founded by Alan Rentmeester in 2009. Principals Brian Rinke and Brian Genduso joined as shareholders in 2020, forming a leadership team of diverse talents and perspectives. Spire serves architects, developers, owners, and builders across the country, emphasizing creative structural solutions with a focus on ease of constructability and economical design. The team listens to client goals to tailor services to individual projects, and actively strives to be responsive, proactive, and schedule-focused throughout design and construction.

WebsitePhone1 office7 projects3 leadersFounded 2009Updated Jun 2026

Project: Brookfield Zoo Primate Exhibit

Service: Structural EngineeringIndustry: Multifamily ResidentialIndustry: ResidentialType: Structural Engineering+6 more

T.R. Karrels & Associates S.C.

Oshkosh, WI

T.R. Karrels & Associates is an architectural design and structural engineering firm located in Oshkosh, Wisconsin, serving the Fox Valley region since 1990. It employs a program-driven design process for commercial, industrial, and residential projects, guiding clients from conceptual design through construction documentation and administration.

WebsitePhone1 office2 leadersFounded 1990Updated Jun 2026
Service: New ConstructionService: Additions & AlterationsService: Industrial Facility ModificationsIndustry: CommercialIndustry: IndustrialType: Structural Engineering+8 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

TLC Engineering Solutions

Sandy Springs, GA

Think. Listen. Create.

Website23 offices10 projectsFounded 1955Updated Jun 2026

Project: Tampa International Airport Curbside Expansion and Central Utility Plant

Service: Mechanical, Electrical, Plumbing (MEP)Service: Comprehensive Building Systems Engineering HeatingService: VentilationIndustry: HealthcareIndustry: AviationType: MEP+51 more

Toltz, King, Duvall, Anderson and Associates, Incorporated

Minneapolis, MN

Engineering | Architecture | Planning

Website6 offices12 projects1 leadersFounded 1910Updated Jun 2026

Project: Runway 14-32 Extension - Morris Municipal Airport

Service: Transportation EngineeringService: Aviation EngineeringService: Rail EngineeringIndustry: TransportationIndustry: AviationType: Civil Engineering+42 more

Trillium Engineering Group

Falmouth, ME

A Maine-Based Civil + Structural Engineering Firm

WebsitePhone3 offices8 projects2 leadersUpdated Jun 2026

Project: The Sandpiper Apartments

Service: Structural EngineeringService: Structural DesignService: Structural EvaluationIndustry: CommercialIndustry: ResidentialType: Structural Engineering+24 more

Unified Theory Inc

Woodbury, MN

An Engineering Partner For Your Evolving Needs

WebsitePhone4 offices2 leadersFounded 1998Updated Jun 2026

Service detail: Engineering Design

Service: Engineering DesignService: MechanicalService: CivilIndustry: CommercialIndustry: IndustrialType: Architecture & Engineering+25 more

Valdes Architecture & Engineering

Lombard, IL

Unmatched talent leads to extraordinary results.

WebsitePhone3 offices18 projects15 leaders4 credentialsFounded 1992

Project: Lake Shore Drive Bridge Inspections

Service: ArchitectureService: Engineering DesignService: Civil DesignIndustry: Oil & GasIndustry: ChemicalsType: Architecture & Engineering+39 more

Westbrook Associated Engineers, Inc.

Spring Green, WI

Tomorrow's Engineering Solutions Today

WebsitePhone1 office9 projects6 leaders2 credentialsFounded 1974

Project: STH 21 Urban Reconstruction

Service: Construction EngineeringService: Structural DesignService: Construction AdministrationIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+33 more

Wiss, Janney, Elstner Associates, Inc.

Northbrook, IL

Solutions for the Built World

WebsitePhone30 offices5 projects5 credentials5 publicationsFounded 1956

Project: Washington Monument

Service: Structural EngineeringService: Bridge EngineeringService: Heavy Movable StructuresIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+54 more

ZS Architectural Engineering

Milwaukee, WI

ZS Architectural Engineering is a Milwaukee-based specialty engineering firm with more than 25 years of experience in structural engineering, building enclosure consulting, and forensic engineering. Founded by Dr. Ziad Salameh, ZS serves clients across the public and private sectors, delivering complex projects ranging from historic restoration to fast-track design-build work and intelligent virtual building models.

WebsitePhone1 office6 leadersUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Building Enclosure ConsultingService: Building Enclosure DesignIndustry: Historic PreservationIndustry: CommercialType: Structural Engineering+19 more