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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AGPROfessionals

Greeley, CO

Professional problem-solvers achieving clients' goals and advocating their success

WebsitePhone2 offices4 projects12 leaders3 credentialsFounded 2000

Project: Boer Dairy Expansion

Service: Agricultural EngineeringService: Site SelectionService: Dairy Facility DesignIndustry: AgricultureIndustry: IndustrialType: Civil Engineering+55 more

AQUA Engineering

Bountiful, UT

Innovative Engineering Solutions

WebsitePhone3 offices6 projects59 leadersFounded 1992Updated Jun 2026

Project: Town of Johnstown Central Water Reclamation and Resource Recovery Facility Expansion

Service: Water EngineeringService: Wastewater EngineeringService: Designs Advanced Wastewater Treatment FacilitiesIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+16 more

Anez Consulting Inc.

Willmar, MN

Grow Your Agribusiness. Reduce Your Stress.

WebsitePhone1 office2 projects1 leaders1 credentialsUpdated Jun 2026

Project: DairyRidge Permitting and Compliance Support

Service: Civil and Agricultural EngineeringService: Animal Housing DesignService: Manure Handling and StorageIndustry: AgricultureIndustry: Food & BeverageType: Civil Engineering+24 more

Apex Engineering Group

Fargo, ND

Apex Engineering Group brings clarity and confidence to complex engineering projects.

WebsitePhone7 offices11 projects5 leaders18 credentialsFounded 2010

Project: City of Detroit Lakes, MN Municipal Engineering Services

Service: Water EngineeringService: Water wells and intake structuresService: On-site pilot plantsIndustry: GovernmentIndustry: Water ResourcesType: Civil Engineering+83 more

Applied Technologies, Inc.

Brookfield, WI

Clear Thinking

WebsitePhone2 offices4 projects2 leaders2 credentialsFounded 1986

Project: Watertown New Water Treatment Facility

Service: Water and Wastewater EngineeringService: Municipal WastewaterService: Industrial WastewaterIndustry: WastewaterIndustry: Water SupplyType: Architecture & Engineering+31 more

Aqua Vitae Engineering, LLC

Arlington Heights, IL

Water & Life

WebsitePhone2 offices3 leaders7 credentialsFounded 2014Updated Jun 2026

Service detail: Planning, Design, and Implementation

Service: Planning, Design, and ImplementationService: Low Impact Development (LID)Service: Watershed-Based PlanningIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+14 more

Barton & Loguidice

Syracuse, NY

The Experience to Listen. The Power to Solve.

WebsitePhone1 office5 projects1 leaders5 credentials5 publications

Project: Rome Water Pollution Control Facility Anaerobic Digestion and Combined Heat and Power Improvements

Service: Water ResourcesService: Water Supply EngineeringService: Wastewater & Water Resource RecoveryIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+61 more

Blossom Consulting & Engineering Inc.

Williamsburg, VA

Engineering Land & Water Resources for the Future

WebsitePhone2 offices10 projects5 leaders11 credentialsSize Estimate: 1-25 employees

Project: Beaver Creek Watershed Assessment

Service: Water Resources EngineeringService: Watershed Analysis and Hydrologic ModelingService: Hydrologic and Hydraulic AnalysesIndustry: GovernmentIndustry: DefenseType: Civil Engineering+54 more

Bridgestone Associates, Ltd.

Chadds Ford, PA

A Boutique Energy Consulting Firm

WebsitePhone1 office1 leadersFounded 1991Updated Jun 2026

Service detail: Energy Consulting & Advisory

Service: Energy Consulting & AdvisoryService: Energy Facility Feasibility EvaluationsService: Energy and Infrastructure Investment Due DiligenceIndustry: Power GenerationIndustry: Renewable EnergyType: Power & Utility Engineering+38 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

Celadon Technologies, LLC

Rockville, MD

Solutions for Water, Wastewater, and Energy Efficiency

WebsitePhone1 officeUpdated Jun 2026

Service detail: Water Infrastructure Engineering

Service: Water Infrastructure EngineeringService: Small & Large Diameter Distribution MainsService: Transmission Main DesignIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+31 more

Commonwealth Engineers, Inc.

Indianapolis, IN

Award-Winning, Cost-Effective Engineering Solutions

WebsitePhone1 office4 projects4 credentialsFounded 1974Updated Jun 2026

Project: Wastewater Treatment Plant Rehabilitation - Owensboro, Kentucky

Service: WastewaterService: Wastewater treatment plant design and rehabilitationService: Collection system improvementsIndustry: WastewaterIndustry: Water SupplyType: Civil Engineering+28 more

Hassan Water Resources, PLC

Maidens, VA

Innovative Solutions to Water Resources Challenges

WebsitePhone1 office2 credentialsFounded 2007Size Estimate: 1-24 employeesUpdated Jun 2026

Service detail: Hydrologic and Hydraulic Engineering

Service: Hydrologic and Hydraulic EngineeringService: Watershed Hydrologic ModelingService: Riverine and Coastal Hydraulic ModelingIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Water / Wastewater Engineering+25 more

Hazen and Sawyer

New York, NY

all things water

WebsitePhone2 officesSize Estimate: 2,400 employeesUpdated Jun 2026

Service detail: Drinking Water

Service: Drinking WaterService: Treatment Plant Design And OptimizationService: Regulatory ComplianceIndustry: Water SupplyIndustry: WastewaterType: Water / Wastewater Engineering+20 more

Herbert, Rowland & Grubic, Inc.

Harrisburg, PA

Engineering | Planning | Infrastructure Solutions

Website9 offices7 leaders3 credentialsFounded 1962Size Estimate: 400+ employeesUpdated Jun 2026

Service detail: Municipal Engineering

Service: Municipal EngineeringService: Municipal RepresentationService: Capital Improvement Planning & DesignIndustry: GovernmentIndustry: FederalType: Civil Engineering+96 more

I S Group Inc

Bloomington, MN

A Different Approach to Architecture + Engineering

WebsitePhone18 offices12 projects4 credentialsFounded 1973Size Estimate: 200+ employees

Project: Le Mars Community School District New Elementary School

Service: ArchitectureService: Space PlanningService: Facility DesignIndustry: Arts & CultureIndustry: CommercialType: Architecture & Engineering+27 more

L2 Engineering D.P.C.

Derby, NY

L2 Engineering D.P.C. provides water and wastewater engineering solutions, with recommendations tailored to balance technical requirements, regulatory compliance, budget limitations, and operational concerns. The practice serves municipal and industrial clients, as well as prime consulting engineering firms, by delivering practical evaluations, designs, and reports.

WebsitePhone1 office5 projects1 leaders5 credentialsUpdated Jun 2026

Project: Sewer System Evaluation Survey Engineering Report

Service: Water and Wastewater EngineeringService: Water Resources EngineeringService: Treatment Feasibility Studies and DesignIndustry: WastewaterIndustry: Water SupplyType: Water / Wastewater Engineering+12 more

LT Leon Associates Inc.

Des Moines, IA

Engineering an Improved Standard of Living

WebsitePhone1 office16 projectsUpdated Jun 2026

Project: Walker Branch Wetland Study

Service: Water Resources EngineeringService: Hydrologic & Hydraulic ModelingService: River RestorationIndustry: Water ResourcesIndustry: Stormwater & Flood ControlType: Civil Engineering+37 more

Maurer Stutz Inc

Peoria, IL

Locally Rooted. Client Focused. Technically Strong.

Website2 offices1 credentialsFounded 1996Updated Jun 2026

Service detail: Agricultural Engineering

Service: Agricultural EngineeringService: Agrichemical Handling FacilitiesService: Anaerobic Digester DevelopmentIndustry: AgricultureIndustry: TransportationType: Civil Engineering+38 more

McGill Associates, PA

Asheville, NC

Shaping Communities Together

WebsitePhone8 offices9 projects1 leaders3 credentialsFounded 1984

Project: Mission Tower North

Service: Water & WastewaterService: Water Source and TreatmentService: Water DistributionIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+74 more

N2W Engineering Inc

Creating Partnerships For A Sustainable Planet.

Website3 projects6 leadersUpdated Jun 2026

Project: City of Banning Wastewater Treatment Plant and Recycled Water Upgrades

Service: Water EngineeringService: Pumping & Conveyance FacilitiesService: Storage & Distribution SystemsIndustry: GovernmentIndustry: IndustrialType: Water / Wastewater Engineering+25 more

Nelson Engineering

Jackson, WY

Quality of Life Through Excellence in Engineering

WebsitePhone3 offices6 projects6 credentialsFounded 1964Size Estimate: 40-60 employees

Project: Teton Village Wastewater Treatment Plant

Service: Civil EngineeringService: Civil engineering services for publicService: Private clients on municipalIndustry: GovernmentIndustry: Water SupplyType: Civil Engineering+68 more

Patriot Engineering Company

Naples, FL

Civil Engineering and Land Development Services in Naples, Florida

WebsitePhone1 office2 projects4 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Project: The Hideout Storage Park

Service: Land DevelopmentService: Due DiligenceService: Local, State, & Federal PermittingIndustry: CommercialIndustry: IndustrialType: Civil Engineering+56 more

Princeton Hydro, LLC

Trenton, NJ

Inspired by Nature. Engineered with Science.

WebsitePhone1 office9 projects8 leaders20 credentials6 publications

Project: Colonial Lake Bank Stabilization and Landscape Architecture

Service: Water Resources EngineeringService: Stormwater Management and Green Infrastructure DesignService: Flood Modeling and Floodplain AnalysisIndustry: GovernmentIndustry: Environmental & RemediationType: Environmental Engineering+40 more