Public engineering firm directory

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AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 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

Ammonite Resources

Houston, TX

Ammonite Resources provides geotechnical and economic advisory services for the petroleum and mineral industries worldwide. Established in 1982, it assists clients with investment due diligence, strategic planning, international contract negotiations, corporate finance, and acquisitions and divestitures. It is headquartered in Connecticut with a network of associate offices across the United States, Canada, and the United Kingdom.

Website9 offices25 leadersFounded 1982Updated Jun 2026

Service detail: Investment Due Diligence

Service: Investment Due DiligenceService: First-Pass Opportunity ReviewsService: Joint Venture Evaluation and RepresentationIndustry: Oil & GasIndustry: MiningType: Geotechnical Engineering+19 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 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

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 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

Collier Consulting, Inc.

Stephenville, TX

We Bring a World of Solutions

WebsitePhone11 offices18 leadersFounded 1998Size Estimate: 25-50 employeesUpdated Jun 2026

Service detail: Geoscience

Service: GeoscienceService: GroundwaterService: EnvironmentalIndustry: Water ResourcesIndustry: Water SupplyType: Environmental Engineering+30 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

Engineering Analytics, Inc.

Fort Collins, CO

Professional civil and environmental engineering solutions

WebsitePhone4 officesFounded 2008Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Site Civil DesignService: Structural DesignIndustry: MiningIndustry: AerospaceType: Civil Engineering+47 more

Engineering Operations, LLC

Littleton, CO

We are your trusted engineering experts!

WebsitePhone1 office3 projects13 leaders2 credentialsFounded 2016

Project: Wyoming Department of Transportation On-System & Off-System Underwater Bridge Inspections

Service: Structural InspectionsService: Routine Bridge InspectionService: Underwater Bridge InspectionIndustry: GovernmentIndustry: TransportationType: Civil Engineering+24 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

ICON Engineering, Inc.

Centennial, CO

Blending Innovation with Experience to Find the Best Solutions

WebsitePhone1 office12 projects2 leaders2 credentialsFounded 1997

Project: Brighton North Outfall, Phases 1-3

Service: Stormwater EngineeringService: Storm Sewer and Culvert SystemsService: Water Quality Planning and DesignIndustry: Stormwater & Flood ControlIndustry: Water ResourcesType: Civil Engineering+27 more

Jones & DeMille Engineering Inc

Richfield, UT

Shaping the Quality of Life - Together

WebsitePhone11 offices9 projects1 leadersFounded 1982Updated Jun 2026

Project: Bryce Canyon Recreation Center

Service: PlanningService: Infrastructure PlanningService: VisioningIndustry: TransportationIndustry: Water ResourcesType: Architecture & Engineering+54 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

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

Muller Engineering Company

Lakewood, CO

Creating Better Places, Together.

WebsitePhone1 office4 projects4 leaders5 credentialsFounded 1980

Project: Uvalda Tributary to Irondale Drainage

Service: Stormwater & Floodplain ManagementService: River and Stream RestorationService: Erosion and Sediment ControlIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+50 more

Natural Resources Consulting Engineers, Inc.

Fort Collins, CO

We Know Water

Website3 offices4 projects2 leadersFounded 1989Updated Jun 2026

Project: USAID Senegal ACCES Project

Service: Water Resources EngineeringService: Surface water hydrologyService: Streamflow gauge installation and monitoringIndustry: Water ResourcesIndustry: AgricultureType: Civil Engineering+43 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

OneFish Engineering, LLC

Fort Collins, CO

Specialized fish passage, fish screening, and hydrology engineering for the Mountain West.

WebsitePhone1 office13 projects2 leadersFounded 2009Size Estimate: 1-5 employees

Project: Encampment River Dam Removal

Service: Fish Passage EngineeringService: Technical Fishway DesignService: Nature-Like Fishway DesignIndustry: Water ResourcesIndustry: Environmental & RemediationType: Civil Engineering+18 more