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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Antero Group

Chicago, IL

Authentic partnerships are the best way to design and deliver projects that create lasting value.

WebsitePhone4 offices5 projects6 leadersUpdated Jun 2026

Project: Barry County Broadband Assessment and Implementation Plan

Service: Civil EngineeringService: Site DevelopmentService: Construction Engineering and ManagementIndustry: TransportationIndustry: GovernmentType: Civil Engineering+47 more

Ask Energy Inc

Carlsbad, CA

Building a Greener Future Together.

WebsitePhone7 offices13 leadersFounded 2017Size Estimate: 11-50 employeesUpdated Jun 2026

Service detail: Energy Analysis and Engineering

Service: Energy Analysis and EngineeringService: Energy AuditsService: Energy ModelingIndustry: CommercialIndustry: EducationType: Power & Utility Engineering+9 more

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

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

Blue Projects

Bucharest, IL

One-stop engineering and project management services throughout the project life cycle.

WebsitePhone3 offices6 projects6 leadersFounded 2008Updated Jun 2026

Project: Construction Management of a New Wheat Factory

Service: Design ServicesService: Architectural DesignService: Civil EngineeringIndustry: AutomotiveIndustry: CommercialType: Architecture & Engineering+29 more

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

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

Corrosion Probe, Inc.

Centerbrook, CT

Preserving Infrastructure, One Solution at a Time.

WebsitePhone13 offices6 credentialsUpdated Jun 2026

Service detail: Materials & Corrosion

Service: Materials & CorrosionService: Material SelectionService: Damage Mechanism IdentificationIndustry: Pulp & PaperIndustry: Water SupplyType: Materials Engineering+30 more

Cyclone Energy Group

Chicago, IL

High Performance Building Consultants

WebsitePhone2 offices15 projects34 credentials4 publicationsFounded 2012

Project: Chicago O'Hare CONRAC

Service: Commissioning & TestingService: Fundamental CommissioningService: Enhanced CommissioningIndustry: CommercialIndustry: EducationType: Simulation Engineering+34 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

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

Durability Engineers PLLC

Chicago, IL

Solving Complex Problems With Concrete Solutions

WebsitePhone1 office2 leaders2 publicationsUpdated Jun 2026

Service detail: Durability Engineering

Service: Durability EngineeringService: Durability PlanningService: Durability AssessmentIndustry: InfrastructureIndustry: BridgesType: Structural Engineering+26 more

ECS

Asheville

YOUR GO-TO Engineering Consulting Partner

Website44 offices6 projects6 leadersFounded 1988Updated Jun 2026

Project: SK Innovation EV Battery Site

Service: GeotechnicalService: Subsurface ExplorationService: In-Situ TestingIndustry: CommercialIndustry: EducationType: Geotechnical Engineering+39 more

Eagle Engineering International P.C.

Chicago, IL

Building Strong Communities Through Engineering Excellence

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Infrastructure DesignService: SurveyingIndustry: GovernmentIndustry: IndustrialType: Civil Engineering+12 more

GERS USA LLC

Weston, FL

Generating comprehensive and innovative solutions for the energy sector

WebsitePhone3 officesFounded 1981Updated Jun 2026

Service detail: Power System Studies

Service: Power System StudiesService: Power Systems Planning (Generation and Transmission)Service: Power System Planning (Distribution)Industry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+30 more

GRAEF

Milwaukee, WI

collaborate | formulate | innovate

WebsitePhone10 offices10 projects5 leaders3 credentialsFounded 1961

Project: Baird Center Expansion

Service: FacilityService: Structural EngineeringService: Mechanical, Electrical & Plumbing EngineeringIndustry: CommercialIndustry: IndustrialType: Civil Engineering+23 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

Greenprint Partners

Chicago, IL

Leading community-centered, sustainable projects across the country.

Website1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Engineering DesignService: Construction ManagementIndustry: Water ResourcesIndustry: EducationType: Civil Engineering+29 more

Haeger Engineering LLC

Schaumburg, IL

Civil engineering and land surveying for Chicagoland land development

WebsitePhone2 offices4 leadersFounded 1969Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Conceptual Land Use EvaluationsService: Preliminary & Final Site EngineeringIndustry: Land DevelopmentIndustry: Multifamily ResidentialType: Civil Engineering+50 more

JSD Professional Services, Inc.

Madison, WI

Planning, Engineering, Surveying, Landscape Architecture, Development Services

Website7 offices5 projects5 leaders14 credentialsFounded 1998Size Estimate: 50-150 employees

Project: Nativity Jesuit Academy Pedestrian Mall

Service: Civil EngineeringService: Site grading and earthworkService: Utility designIndustry: Multifamily ResidentialIndustry: Senior LivingType: Civil Engineering+40 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

KPFF Consulting Engineers

Portland, OR

KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.

Website33 offices5 projectsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Portland International Airport (PDX), Terminal Core Redevelopment

Service: Structural EngineeringService: Bridge EngineeringService: Protective DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+39 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

Larson Engineering

Appleton, WI

Build on what we know.

WebsitePhone13 offices9 projects1 credentialsFounded 1979Size Estimate: 100-500 employees

Project: Sphere at the Venetian Resort

Service: Structural EngineeringService: Building StructuresService: Structural Design Review and Peer EvaluationIndustry: AgricultureIndustry: CommercialType: Civil Engineering+46 more