Public engineering firm directory

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Baumann Consulting Inc

Washington, DC

Delivering solutions for a carbon-neutral real estate industry.

Website3 offices48 leadersFounded 2006Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Commissioning

Service: CommissioningService: Building Enclosure CommissioningService: Systems CommissioningIndustry: CommercialIndustry: Multifamily ResidentialType: Environmental Engineering+12 more

Civil Design, Inc.

St. Louis, MO

Quality Infrastructure. Passionate People. Stronger Communities.

Website6 offices3 projects16 leadersFounded 1996Size Estimate: 100-249 employeesUpdated Jun 2026

Project: Central District Pedestrian Improvements

Service: Infrastructure + AnalyticsService: GIS MappingService: Database ManagementIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+26 more

Collins Engineers, Inc.

Chicago, IL

Building Tomorrow's Infrastructure, Today

WebsitePhone1 office11 projects1 leaders4 credentialsFounded 1979

Project: The 606 - Chicago, IL

Service: Civil EngineeringService: Site PlanningService: Utility DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+56 more

Facility Matrix

Dallas, TX

Experts in improving your business by increasing your entire building's performance, efficiency and comfort

WebsitePhone3 offices3 credentialsUpdated Jun 2026

Service detail: Commissioning and Optimization

Service: Commissioning and OptimizationService: CommissioningService: Re-CommissioningIndustry: Automation & ControlsIndustry: CommercialType: Mechanical Engineering+31 more

GZA GeoEnvironmental, Inc.

Norwood, MA

Solving Complex Challenges in Natural and Built Environments

WebsitePhone35 offices4 projectsSize Estimate: 800 employeesUpdated Jun 2026

Project: Upper Roberts Meadow Reservoir Dam Breach and Stream Restoration Project

Service: Geotechnical EngineeringService: Environmental Site Investigation and RemediationService: Environmental Site InvestigationIndustry: AgricultureIndustry: IndustrialType: Geotechnical Engineering+29 more

Innovative Werks Inc

Naperville, IL

Unlock Real-Time Insight. SCADA & Pi Integration You Can Trust

WebsitePhone2 offices1 leaders2 credentialsFounded 2001Updated Jun 2026

Service detail: Industrial Automation & Control Systems

Service: Industrial Automation & Control SystemsService: New Control SystemsService: Existing Control System ModificationIndustry: Electric UtilitiesIndustry: ManufacturingType: Automation & Controls+30 more

LUZCO Technologies, LLC

St. Louis, MO

Power Delivery, Construction Management, and Industrial & Corporate Consulting Solutions

WebsitePhone5 offices5 projects8 leaders13 credentialsSize Estimate: 10-100 employees

Project: 34kV Distribution Line Project - Arnold, MO

Service: Power DeliveryService: Transmission & Distribution Line DesignService: Transmission & Distribution Substation DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+18 more

Pinnacle

Pasadena, TX

Data-Driven Reliability

Website5 offices3 publicationsFounded 2006Size Estimate: 500 employeesUpdated Jun 2026

Service detail: Data-Driven Reliability Programs

Service: Data-Driven Reliability ProgramsService: Reliability Data CollectionService: Reliability Data OrganizationIndustry: Oil & GasIndustry: PetrochemicalType: Process Safety Engineering+18 more

RJN Group, Inc.

Downers Grove, IL

Celebrating 50 Years of Engineering Intuition, Innovation, & Insights for Water Infrastructure

WebsitePhone1 office2 projects1 credentialsFounded 1974Size Estimate: 100-500 employees

Project: Klefstad Lift Station and Force Main Design

Service: WastewaterService: Sewer collection system planning and designService: Lift station and force main designIndustry: GovernmentIndustry: UtilitiesType: Water / Wastewater Engineering+55 more

Roux

Islandia, NY

We Solve Our Clients' Most Challenging Environmental Issues

WebsitePhone15 offices3 leaders1 credentialsFounded 1981Size Estimate: 450+ employees

Service detail: Engineering & Remediation Services

Service: Environmental, Health & Safety Compliance ServicesService: Brownfields / Due DiligenceService: Engineering & Remediation ServicesIndustry: Environmental & RemediationIndustry: Oil & GasType: Environmental Engineering+20 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

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