Public engineering firm directory

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A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

ALC Engineering

Buffalo, WY

More Than Just a Project

WebsitePhone2 officesFounded 2010Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: GPS and Total Station SurveyingService: UAV and Aerial Survey and MappingIndustry: Oil & GasIndustry: GovernmentType: Civil Engineering+27 more

Ardaman & Associates, Inc.

Orlando, FL

Meeting All Your Project Needs, Anywhere

WebsitePhone8 offices7 projectsFounded 1959Size Estimate: 100-300 employeesUpdated Jun 2026

Project: Ballpark of the Palm Beaches

Service: Geotechnical and Foundation EngineeringService: Subsurface exploration and boringsService: Foundation recommendationsIndustry: MiningIndustry: ChemicalsType: Civil Engineering+65 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

Bowen Collins & Associates

Draper, UT

Experts in Water

WebsitePhone6 offices8 projects6 leaders3 credentialsFounded 1997

Project: Utah Lake Pump Station Redesign

Service: WaterService: Pipeline designService: Storage tank and reservoir designIndustry: GovernmentIndustry: IndustrialType: Civil Engineering+65 more

Casne Engineering, Inc.

Bellevue, WA

Supporting America's Infrastructure

Website1 office3 projects1 publicationsFounded 1981Size Estimate: 100-200 employeesUpdated Jun 2026

Project: Natural Gas Turbine Fleet Monitoring

Service: Electrical EngineeringService: Medium and low voltage equipment and distribution systemsService: Primary and secondary unit substationsIndustry: AerospaceIndustry: Data CentersType: Automation & Controls+50 more

Chappell Engineering Associates, LLC

Marlborough, MA

Consulting Engineering and Land Surveying

WebsitePhone1 office9 projectsFounded 2004Size Estimate: 25 employeesUpdated Jun 2026

Project: Barre Common Traffic Improvements

Service: Transportation EngineeringService: Highway and Local Road DesignService: Highway Interchange DesignIndustry: RailIndustry: TelecommunicationsType: Civil Engineering+47 more

Cyient

Delivering Intelligent Engineering

Website4 projects3 leaders4 credentialsFounded 1991Size Estimate: 1,000+ employeesUpdated Jun 2026

Project: World's Most Fuel-Efficient Aircraft Engine

Service: Product EngineeringService: Digital Twin & Digital ThreadService: Autonomous SystemsIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+31 more

DOWL

Portland, OR

Small-Town Service, Big-Time Experts

Website5 offices8 projects12 leadersUpdated Jun 2026

Project: Choteau Wastewater Collection and Treatment Plant

Service: Environmental ServicesService: Environmental StudiesService: Environmental Planning and PermittingIndustry: AviationIndustry: AirportsType: Civil Engineering+35 more

Dulles Engineering, Inc.

Sterling, VA

Your Trusted Partner in Quality Control & Geotechnical Solution

WebsitePhone1 office8 projects1 leaders7 credentialsFounded 2017

Project: New Frederick Douglass Memorial Bridge and Suitland Parkway / I-295 Interchange

Service: Geotechnical EngineeringService: Construction Materials TestingService: Laboratory TestingIndustry: InfrastructureIndustry: TransportationType: Geotechnical Engineering+6 more

ELAXiOM LC

A multi-disciplinary engineering firm

WebsiteUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Open-Pit Slope Stability EvaluationService: Underground Mining Method EvaluationIndustry: MiningIndustry: Oil & GasType: Geotechnical Engineering+24 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

FPM Group

Bohemia, NY

Over 50 years of making buildings and infrastructure systems work, preserving the environment, and achieving client service excellence.

WebsitePhone1 office19 projectsUpdated Jun 2026

Project: Jones Beach West Bathhouse Pool Filtration Renovation

Service: Engineering & ArchitectureService: HVACService: PlumbingIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+47 more

H2E, Incorporated

Environmental Engineering & Consulting by Combining Prudence with Efficiency

WebsiteFounded 2009Updated Jun 2026

Service detail: Air Permitting and Compliance

Service: Air Permitting and ComplianceService: Water ServicesService: Land and Soils ServicesIndustry: Oil & GasIndustry: Renewable EnergyType: Environmental Engineering+5 more

H2O Terra, LLC

El Paso, TX

Elevating Infrastructure, Above and Below.

WebsitePhone1 office3 credentialsUpdated Jun 2026

Service detail: Water Resources Engineering

Service: Water Resources EngineeringService: Water EngineeringService: Wastewater EngineeringIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+31 more

HHNT Environmental Consulting

Macon, GA

Do What it Takes for Success

Website6 offices6 projects13 leadersFounded 1990Size Estimate: 50-99 employeesUpdated Jun 2026

Project: Surface Mine Permitting

Service: Engineering DesignService: Site and Facility DesignService: Stormwater and Erosion Control DesignIndustry: Waste ManagementIndustry: MiningType: Environmental Engineering+30 more

HydroScience Engineers

Sacramento, CA

Full-service planning and design for water, wastewater, and recycled water projects

WebsitePhone4 offices10 projects6 leaders1 credentialsFounded 1998

Project: City of Hayward Water and Sewer Line Improvements

Service: Water EngineeringService: Treatment Plant DesignService: Pumping and Storage SystemsIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+20 more

Hydrometrics, Inc.

Helena, MT

Empowering Environmental Responsibility

WebsitePhone3 officesUpdated Jun 2026

Service detail: Civil & Environmental Engineering

Service: Civil & Environmental EngineeringService: Water Resources & HydrogeologyService: Mine Permitting & ComplianceIndustry: GovernmentIndustry: MiningType: Environmental Engineering+8 more

Innovative Engineering Strategies, LLC

Bolingbroke, GA

Providing clients with successful, cost-saving creative solutions.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Environmental Management and Regulatory Compliance

Service: Environmental Management and Regulatory ComplianceService: IES Assists Clients With Optimizing Environmental Monitoring And Management ProgramsService: Applying A Critical Path Approach And Integrated Understanding Of BiologyIndustry: Environmental & RemediationIndustry: Waste ManagementType: Civil Engineering+19 more

LCA Environmental, Inc.

Farmers Branch, TX

Providing Sustainable Environmental Solutions That Stand the Test of Time

WebsitePhone1 office2 projects6 leaders11 credentialsFounded 1992

Project: LBJ Freeway Environmental Compliance

Service: Environmental Site AssessmentService: Phase I Environmental Site AssessmentService: Phase II Environmental Site AssessmentIndustry: GovernmentIndustry: FederalType: Environmental Engineering+22 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

Meridian Environmental, Inc.

Seattle, WA

Environmental Science and Regulatory Compliance Services

WebsitePhone1 office2 projects4 credentialsSize Estimate: 5-20 employeesUpdated Jun 2026

Project: Lewis River FERC License Implementation Studies

Service: Aquatic ResourcesService: Fish passage assessmentsService: Instream habitat assessments and flow studiesIndustry: HydroelectricIndustry: Natural ResourcesType: Environmental Engineering+15 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

North Wind Group

Idaho Falls, ID

Business leader in environmental, engineering, mission support, and construction.

WebsitePhone1 office4 projects1 leadersFounded 1997Updated Jun 2026

Project: Moab Uranium Mill Tailings Remedial Action (UMTRA) Site

Service: Environmental ServicesService: Abandoned Mine Lands (AML) ReclamationService: Cultural Resource ServicesIndustry: GovernmentIndustry: FederalType: Environmental Engineering+40 more