Public engineering firm directory

Find engineering consulting firms by capability and location.

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AE2S

Bismarck, ND

Empowering People. Enhancing Lives.

Website22 offices6 leadersFounded 1991Updated Jun 2026

Service detail: Water and Wastewater Engineering

Service: Water and Wastewater EngineeringService: WaterService: WastewaterIndustry: Automation & ControlsIndustry: Environmental & RemediationType: Civil Engineering+29 more

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

Atlas Technical Consultants

Denver, CO

Uniting People, Places and Possibilities

Website3 offices4 projects10 leaders3 credentialsSize Estimate: 3,300+ employeesUpdated Jun 2026

Project: Foresthill Bridge Weld Inspections

Service: Testing, Inspection and CertificationService: Pavement TestingService: Weld and Materials InspectionIndustry: InfrastructureIndustry: IndustrialType: Environmental Engineering+18 more

Barr Engineering Co.

Minneapolis, MN

Designing What's Next

WebsitePhone18 offices6 projects1 leaders1 credentials1 publications

Project: Utility-Scale BESS Engineering and Design

Service: Engineering and DesignService: Mine Tailings Management EngineeringService: Mineral Processing and Plant DesignIndustry: MiningIndustry: Power GenerationType: Civil Engineering+34 more

Bryant Consultants

Carrollton, TX

Engineering Solutions for the Built World

WebsitePhone2 offices12 projectsFounded 1996Updated Jun 2026

Project: County Dam Slope Stability Analysis

Service: Forensic ServicesService: Building Envelope ForensicsService: Geotechnical and Foundation Engineering (GEOFORENSICS)Industry: InfrastructureIndustry: Water ResourcesType: Geotechnical Engineering+30 more

CTL|Thompson, Inc.

Denver, CO

Engineering consultants and field technicians providing geotechnical, structural, materials, and environmental solutions.

WebsitePhone9 offices3 projectsFounded 1971Updated Jun 2026

Project: The Aurora Highlands

Service: Geotechnical EngineeringService: Provides Specialized Ground CharacterizationService: Subsurface Exploration To Support Foundation RecommendationsIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+29 more

DJ&A, P.C.

Missoula, MT

Engineering, Surveying, Environmental & Planning Services

WebsitePhone3 officesFounded 1973Size Estimate: 150+ employeesUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway and Highway DesignService: Logging Road EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+43 more

EDM International, Inc.

Fort Collins, CO

Reliability & Innovation Since 1982

Website4 officesFounded 1982Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Power Delivery Design & EngineeringService: Custom-Engineered Structures & FoundationsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more

Group14 Engineering, PBC

Denver, CO

Inspiring Better Buildings

WebsitePhone1 officeUpdated Jun 2026

Service detail: Energy Services

Service: Energy ServicesService: Energy Modeling & Xcel EDA ConsultingService: Energy Audits & Building Performance Standard (BPS) SupportIndustry: Affordable HousingIndustry: AviationType: Mechanical Engineering+28 more

HBK Engineering, LLC

Chicago, IL

A Proven Leader in Utility Engineering

WebsitePhone29 offices6 credentialsFounded 1998Size Estimate: 900+ employeesUpdated Jun 2026

Service detail: Electrical Utility Infrastructure Design

Service: Electrical Utility Infrastructure DesignService: Transmission and distribution line designService: Substation designIndustry: Electric UtilitiesIndustry: Power GenerationType: Environmental Engineering+48 more

Homco Renaissance, Inc.

Columbia, MD

Reliable. Innovative. Sustainable.

WebsitePhone3 offices9 projects15 leaders15 credentialsFounded 2015

Project: NAVFAC Indian Head Facility Design

Service: Engineering DesignService: Electrical Power EngineeringService: Mechanical EngineeringIndustry: GovernmentIndustry: FederalType: MEP+36 more

JVA, Incorporated

Boulder, CO

Engineering Excellence Since 1956

Website6 offices7 projects4 leaders1 credentials1 publicationsFounded 1956

Project: Sperry Chalet Restoration

Service: Structural EngineeringService: New constructionService: Renovation and retrofitsIndustry: EducationIndustry: GovernmentType: Civil Engineering+42 more

Kumar & Associates, Inc.

Denver, CO

Geotechnical Engineering, Engineering Geology, and Construction Materials Testing

WebsitePhone6 offices17 projects5 leaders4 credentialsFounded 1989

Project: I-25 and Powers Boulevard Interchange

Service: Geotechnical EngineeringService: Site Investigation and Subsurface ExplorationService: Foundation Design RecommendationsIndustry: CommercialIndustry: IndustrialType: Geotechnical Engineering+27 more

Matrix Design Group, Inc.

Colorado Springs, CO

Excellence by Design

Website4 offices12 projects9 leaders25 credentialsFounded 1999Updated Jun 2026

Project: Westminster Regional Rail Transit-Oriented Design

Service: Civil EngineeringService: Site DevelopmentService: Grading & EarthworkIndustry: GovernmentIndustry: FederalType: Civil Engineering+66 more

Michael Baker International

Louisville, KY

We Make a Difference

Website8 offices6 projects15 leaders15 credentialsFounded 1940Size Estimate: 5,001-10,000 employees

Project: Brent Spence Bridge Emergency Repair

Service: InfrastructureService: Transportation DesignService: Bridge DesignIndustry: TransportationIndustry: FederalType: Civil Engineering+31 more

Michael Baker International

Pittsburgh, PA

We Make a Difference

Website18 offices5 projects15 leaders5 credentials4 publicationsFounded 1940

Project: Fika Remote Footbridge Build

Service: Infrastructure EngineeringService: Roadway and Highway DesignService: Bridge Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+46 more

Milosh LLC

Denver, CO

Ultimate Designing Machine

WebsitePhone1 office1 projects7 leadersFounded 2008Size Estimate: 1-10 employees

Project: Union Castle

Service: Building Design and ConstructionService: Architectural DesignService: Building EngineeringIndustry: GovernmentIndustry: CommercialType: Architecture & Engineering+31 more

Olsson

Lincoln, NE

Engineering trust.

Website10 offices5 projects10 leaders16 credentials2 publicationsFounded 1956

Project: Baylor Scott & White Medical Center and Clinic in Pflugerville

Service: Civil & Site EngineeringService: Site Design and DevelopmentService: Land SurveyingIndustry: CommercialIndustry: ResidentialType: Civil Engineering+39 more

Partner Engineering and Science, Inc.

Pasadena, CA

Engineers Who Understand Your Business

WebsitePhone17 offices7 projects11 leadersSize Estimate: 1,500+ employeesUpdated Jun 2026

Project: Adaptive Reuse of North Riverfront Historic Industrial Portfolio

Service: Building Assessments & EngineeringService: Property Condition Assessment ReportsService: Commercial Building InspectionIndustry: CommercialIndustry: Multifamily ResidentialType: Environmental Engineering+53 more

R2O Consulting, LLC

Cleveland, OH

R2O Consulting, LLC is a Cleveland-based engineering and consulting firm founded in 2017 that delivers infrastructure planning, water resources, and environmental services to public utilities, airports, developers, and contractors. Its team of approximately 20 professionals integrates hydraulic and hydrologic modeling, GIS analysis, asset management, and environmental compliance services across projects focused on aging infrastructure rehabilitation, water resource protection, and regulatory planning. R2O operates from offices in Cleveland, Pittsburgh, Detroit, Denver, Columbus, and Cincinnati.

WebsitePhone6 officesFounded 2017Size Estimate: 20 employeesUpdated Jun 2026

Service detail: Infrastructure Planning and Management

Service: Infrastructure Planning and ManagementService: Capital Program PlanningService: Asset ManagementIndustry: Water SupplyIndustry: Stormwater & Flood ControlType: Civil Engineering+24 more

RESPEC Company LLC

Rapid City, SD

Practical Outcomes From Complex Challenges

WebsitePhone19 offices3 leadersUpdated Jun 2026

Service detail: Infrastructure Resiliency and Modernization

Service: Infrastructure Resiliency and ModernizationService: Transportation NetworksService: Water SystemsIndustry: MiningIndustry: TransportationType: Civil Engineering+43 more

RS&H

Jacksonville, FL

Creating Tomorrow, Together.

Website74 offices3 leaders2 credentialsFounded 1941Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Interior DesignService: Landscape ArchitectureIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+25 more

Refai International Group

Denver, CO

Innovative Project Management & Engineering Solutions for the Modern World

WebsitePhone1 office8 projectsFounded 1991Updated Jun 2026

Project: COTA 1600 McKinley Avenue Renovation, Phase 3C

Service: Program / Project ManagementService: Large-Scale & Complex Project ManagementService: Turnaround of Non-Performing ProjectsIndustry: AviationIndustry: AirportsType: Civil Engineering+48 more

SRK Consulting

Denver, CO

Mining & Exploration Consultants

Website1 office6 projects6 leaders9 publicationsFounded 1974Size Estimate: 200-1,000 employees

Project: Deer Creek Coal Mine Ventilation Planning

Service: Mineral ExplorationService: Geological InterpretationService: Resource EstimationIndustry: MiningIndustry: MetalsType: Civil Engineering+59 more