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

Advanced Engineering and Academic Sciences (AEAS)

Denver, CO

Experts in Water Resources Consulting and Engineering

Website1 office2 projects1 leadersUpdated Jun 2026

Project: Railroad Embankment Failure Forensic Analysis

Service: Water Resources EngineeringService: Hydrologic AnalysisService: Hydraulic AnalysisIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Water / Wastewater Engineering+31 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

Bridgefarmer & Associates, Inc.

Dallas, TX

Engineering reliable transportation and heavy civil infrastructure since 1976

WebsitePhone6 offices8 projectsFounded 1976Updated Jun 2026

Project: DFW Connector

Service: Roadway and Highway EngineeringService: Urban Freeways and InterchangesService: Major and Complex Highway DesignIndustry: TransportationIndustry: Highways & RoadsType: Transportation Engineering+30 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

Dibble

Phoenix, AZ

Focus on Quality. Multi Discipline. Culture of Caring.

Website7 offices1 projectsUpdated Jun 2026

Project: Chandler's 66-Inch Sewer Interceptor Rehabilitation

Service: Airport DevelopmentService: Airport PlanningService: Airport DesignIndustry: AirportsIndustry: GovernmentType: Civil Engineering+51 more

Drexel, Barrell & Co.

Boulder, CO

Quality land surveying and civil engineering solutions since 1949

Website6 offices7 projects7 leadersFounded 1949Updated Jun 2026

Project: US Air Force Academy Cadet Chapel Restoration

Service: Land SurveyingService: Boundary and ALTA SurveysService: Topographic and Design SurveysIndustry: GovernmentIndustry: FederalType: Civil Engineering+61 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

Kilduff Underground Engineering

Denver, CO

Tunnels, Underground Design, and Construction Management

WebsitePhone3 offices6 projects6 leaders1 credentialsUpdated Jun 2026

Project: Pipe Roof Canopy Tunnel Design, Downtown Salt Lake City

Service: Underground & Geotechnical DesignService: Trenchless Design TechnologiesService: Support of Excavation (SOE) DesignIndustry: TunnelsIndustry: InfrastructureType: Civil Engineering+19 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

Protea Engineering, LLC

Denver, CO

Specialized bridge inspection and structural asset management services.

WebsitePhone1 office8 projects1 leadersFounded 2022Updated Jun 2026

Project: CDOT Off-System Bridge Inspections

Service: Bridge and Structural InspectionService: Routine InspectionsService: Fracture Critical & NSTM InspectionsIndustry: BridgesIndustry: InfrastructureType: Structural Engineering+11 more

Providence Infrastructure Consultants

Denver, CO

Dedicated to Water, Driven by Design.

WebsitePhone4 offices2 credentialsFounded 2012Updated Jun 2026

Service detail: Raw Water

Service: Raw WaterService: InvestigationsService: Advanced DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+26 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

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

Renaissance Infrastructure Consulting

Lenexa, KS

Creative ideas Practical solutions

WebsitePhone5 offices3 projectsFounded 2010Updated Jun 2026

Project: Lake Winnebago Lake & Community Expansion

Service: Site/Civil DevelopmentService: Early Due DiligenceService: Site Planning and DesignIndustry: CommercialIndustry: IndustrialType: Civil Engineering+65 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

Short Elliott Hendrickson Inc.

Saint Paul, MN

Where Innovation Meets Sustainable Impact

WebsitePhone5 offices9 leadersUpdated Jun 2026

Service detail: Architecture and Building Design

Service: Architecture and Building DesignService: Fire Stations and Public Safety FacilitiesService: Hotels and HospitalityIndustry: ResidentialIndustry: AirportsType: Architecture & Engineering+63 more

Summit Design and Engineering Services

Raleigh, NC

Impactful Project Solutions

WebsitePhone12 offices4 projects5 leaders3 credentialsFounded 1997

Project: 1000 Social Office Building & Parking Garage

Service: ArchitectureService: Architectural DesignService: New ConstructionIndustry: GovernmentIndustry: TransportationType: Architecture & Engineering+81 more

UES (Universal Engineering Sciences)

Orlando, FL

Grounded In Excellence

WebsitePhone5 officesSize Estimate: 4,000+ employeesUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Soil TestingIndustry: TransportationIndustry: InfrastructureType: Geotechnical Engineering+43 more

Wilson & Company, Inc., Engineers & Architects

Salina, KS

Over 90 Years of Delivering Excellence

Website5 offices3 projects19 leaders1 credentialsFounded 1932Size Estimate: 700 employees

Project: Mettie Jordan Elementary School

Service: EngineeringService: Civil EngineeringService: Transportation EngineeringIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+36 more