Public engineering firm directory

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3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Air Quality and Environmental Compliance

Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportService: Regulatory Review and ComplianceIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+25 more

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 Resources International, Inc.

Arlington, VA

Pioneering the Past. Innovating the Future.

WebsitePhone3 offices13 projects11 leadersFounded 1990Size Estimate: 60+ employees

Project: World Shale Gas and Shale Oil Resource Assessment

Service: Unconventional Oil & GasService: Shale Gas and Tight Oil Resource AssessmentService: Coalbed Methane Feasibility StudiesIndustry: Oil & GasIndustry: Carbon CaptureType: Petroleum Engineering+20 more

Aries Engineering, LLC

Concord, NH

Innovating Environmental Solutions, Engineering a Better Tomorrow

WebsitePhone1 office3 projects6 leadersUpdated Jun 2026

Project: Engineering Solutions for Adaptive Reuse: Investigation to Approval

Service: Geotechnical EngineeringService: Geotechnical DesignService: Foundation EvaluationsIndustry: Environmental & RemediationIndustry: Water ResourcesType: Geotechnical Engineering+43 more

Associated Engineers, Inc.

Madisonville, KY

Integrity - Experience - Growth, Since 1958

WebsitePhone3 offices5 credentialsFounded 1958Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Selection and DevelopmentService: Single and Multi-Family Residential DevelopmentIndustry: InfrastructureIndustry: MiningType: Civil Engineering+33 more

Blade Energy Partners

Frisco, TX

Highest quality engineering solutions to complex problems in the energy industry

WebsitePhone6 officesFounded 2008Size Estimate: 25-100 employeesUpdated Jun 2026

Service detail: Well Engineering

Service: Well EngineeringService: Critical and complex well designService: Casing design and tubular selectionIndustry: Oil & GasIndustry: GeothermalType: Environmental Engineering+50 more

CHA Consulting, Inc.

Albany, NY

Finding a better way.

Website1 office10 leaders3 credentialsFounded 1952Size Estimate: 2,100 employeesUpdated Jun 2026

Service detail: Transportation Solutions

Service: Transportation SolutionsService: Accelerated Bridge Construction (ABC) Design & ConsultingService: Bridge Design & AnalysisIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+182 more

Collective Water Resources, LLC

Lake Worth, FL

Bringing Watersheds Full Circle

Website1 officeFounded 2012Updated Jun 2026

Service detail: Practical Models

Service: Climate Change and Sea Level Rise AdaptationService: Watershed EngineeringService: Water Supply AnalysisIndustry: Water ResourcesIndustry: Water SupplyType: Water / Wastewater Engineering+6 more

Confluence Engineering Group, LLC

Seattle, WA

Ready to Address Your Water Quality Needs

Website1 office9 leaders2 credentialsFounded 2008Updated Jun 2026

Service detail: Corrosion Control and Metals Release

Service: Corrosion Control and Metals ReleaseService: Optimization and Main CleaningService: Filtration and Treatment StudiesIndustry: Water SupplyIndustry: GovernmentType: Water / Wastewater Engineering+8 more

Cornerstone Earth Group, Inc.

Sunnyvale, CA

From the Ground Down - geotechnical, environmental, and construction services for the Bay Area development community.

WebsitePhone1 office6 projects15 leaders2 credentialsFounded 2007

Project: Overton Moore Properties - Oaks Business Park

Service: Environmental ServicesService: Phase I Environmental Site AssessmentsService: Preliminary Endangerment AssessmentsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+77 more

Cornwell Engineering Group, Inc.

Hampton, VA

Recognized as a national leader in water treatment.

WebsitePhone1 office1 leaders2 credentials8 publicationsFounded 1985

Service detail: Water Treatment Plant Design

Service: Water Treatment Plant DesignService: Pilot Plant StudiesService: Plant TroubleshootingIndustry: Water SupplyIndustry: WastewaterType: Environmental Engineering+25 more

DeMase Technical Services

Secure. Compliant. Resilient.

Website8 leaders2 credentialsUpdated Jun 2026

Service detail: Cybersecurity and Information Technology

Service: Cybersecurity and Information TechnologyService: CMMC and C3PAO ServicesService: Cloud and Boundary InfrastructureIndustry: DefenseIndustry: LaboratoriesType: Environmental Engineering+18 more

Decota Consulting Company, Inc.

Cross Lanes, WV

Decota Consulting Company, Inc. is an environmental engineering practice based in Cross Lanes, West Virginia, serving landowners, government agencies, nonprofits, and private industry throughout the Appalachian region since 1996. Its engineers and scientists bring expertise in ecology, hydrology, environmental engineering, and regulatory permitting. Decota supports baseline assessments, design, permitting, construction oversight, implementation, and post-construction monitoring, with an established track record working alongside federal, state, and local regulatory agencies.

WebsitePhone1 office3 projectsFounded 1996Updated Jun 2026

Project: AML North Contract 6 EA and Construction Management

Service: Environmental EngineeringService: Mine Site Layout DesignService: Geologic Modeling and Reserve AnalysisIndustry: Environmental & RemediationIndustry: Natural ResourcesType: Environmental Engineering+27 more

Dewberry

Fairfax, VA

Family Owned. Client Centric. Community Driven.

WebsitePhone1 office38 projects4 leaders1 credentials2 publications

Project: New York City Housing Authority Clinton Houses Stormwater Resilience

Service: ArchitectureService: Architectural DesignService: Interior DesignIndustry: FederalIndustry: TransportationType: Architecture & Engineering+54 more

EN-POWER GROUP

New York, NY

Custom Solutions for Your Building's Complex Energy Needs

WebsitePhone2 offices7 projects14 leaders15 credentialsFounded 2003

Project: YMCA Lighting Upgrades

Service: Engineering Design & ConstructionService: Mechanical SystemsService: ElectrificationIndustry: CommercialIndustry: Data CentersType: Environmental Engineering+35 more

Endeavor Professional Services, LLC

State College, PA

Engineering Excellence for the Future

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering & Permitting

Service: Civil Engineering & PermittingService: Preliminary Site Scouting, Routing, and SelectionService: Facility DesignIndustry: Oil & GasIndustry: UtilitiesType: Civil Engineering+29 more

Epsilon Associates, Inc.

Maynard, MA

Expertly Navigating the Regulatory Process for Project Success

WebsitePhone2 offices2 leadersFounded 1997Updated Jun 2026

Service detail: Acoustics & Noise

Service: Acoustics & NoiseService: Noise Control EvaluationsService: Sound Level AnalysesIndustry: Power GenerationIndustry: Renewable EnergyType: Environmental Engineering+43 more

Final Draft PMES LLC

Where Project Management Meets Engineering Innovation

WebsiteUpdated Jun 2026

Service detail: Project Management Services

Service: Project Management ServicesService: Project Planning & SchedulingService: Cost ManagementIndustry: FederalIndustry: GovernmentType: Civil Engineering+22 more

GeoEnvironmental Resources, Inc.

Virginia Beach, VA

Professional consulting engineering specializing in geotechnical, environmental, groundwater, and industrial services.

WebsitePhone1 office5 projectsFounded 1992Updated Jun 2026

Project: Virginia Beach Convention Center

Service: Environmental EngineeringService: Phase I, II & III Environmental Site AssessmentsService: NEPA Documentation (CE, PCE & EA)Industry: Environmental & RemediationIndustry: GovernmentType: Geotechnical Engineering+41 more

Geostock Sandia LLC

Pioneering Underground Energy Storage & Subsurface Injection

Website1 projects3 credentialsUpdated Jun 2026

Project: Strategic Biofuels Class VI Well Permitting

Service: Underground Injection & Well EngineeringService: Class I Hazardous & Non-Hazardous Waste DisposalService: Class VI Carbon Dioxide SequestrationIndustry: Carbon CaptureIndustry: Energy StorageType: Geotechnical Engineering+27 more

Givler Engineering, Inc.

San Antonio, TX

Professional. Innovative. Reliable.

WebsitePhone2 offices6 leaders1 publicationsFounded 1999Size Estimate: 1-9 employees

Service detail: Municipal Engineering

Service: Municipal EngineeringService: Public Works InfrastructureService: Utilities & Storm Sewer DesignIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+24 more

Gordon & Gordon Engineering

Vero Beach, FL

Design, Analysis, & Forensic Engineering

WebsitePhone1 office1 projects1 credentialsUpdated Jun 2026

Project: STS-107 Space Shuttle Columbia Accident Investigation

Service: Engineering Design & ConsultationService: Design Review and SubstantiationService: Finite Element Modeling & Analytical ValidationIndustry: ManufacturingIndustry: AviationType: Forensic Engineering+28 more

Greenway Engineering, Inc.

Winchester, VA

Experienced. Knowledgeable. Local.

WebsitePhone1 office1 projectsFounded 1971Size Estimate: 25-50 employeesUpdated Jun 2026

Project: National Museum of Intelligence and Special Operations

Service: Civil EngineeringService: Site Selection, Preparation, and DevelopmentService: Feasibility Studies and LayoutsIndustry: ResidentialIndustry: CommercialType: Civil Engineering+64 more

Gulf Atlantic Engineers P.A.

Building the Future Through Expertise and Creativity

Website3 credentialsFounded 2019Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Storm Water ManagementService: Transportation EngineeringIndustry: CommercialIndustry: RetailType: Civil Engineering+31 more