Public engineering firm directory

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3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

83 Ordinal Group

Pine Bluff, AR

Innovative Agritech & Engineering Solutions

WebsitePhone1 officeSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Agritech and Renewable Energy Engineering

Service: Agritech and Renewable Energy EngineeringService: Agrivoltaics and Clean Energy IntegrationService: Controlled Environment Agriculture SystemsIndustry: Renewable EnergyIndustry: AgricultureType: Owner's Engineer+22 more

A.P. Consulting Engineers, DPC

Elmont, NY

MEP, Lighting, Energy, and Life Safety Engineering

WebsitePhone2 offices8 credentialsUpdated Jun 2026

Service detail: MEP Services

Service: MEP ServicesService: Mechanical DesignService: Electrical DesignIndustry: Arts & CultureIndustry: ResidentialType: MEP+18 more

AdvanceBio LLC

Milford, OH

Biofuels and biochemical industry consultants

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Commercial Bio-Based Process Engineering

Service: Commercial Bio-Based Process EngineeringService: General Project ConsultingService: Technical Due DiligenceIndustry: Biomass & BioenergyType: Owner's Engineer+14 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

Astute Engineering, PLLC

Vienna, VA

Astute Engineering, PLLC delivers comprehensive electrical engineering, power distribution design, system studies, and field services. Operating across Virginia, Maryland, Washington DC, and surrounding regions, the practice supports projects from initial feasibility and schematic phases through final installation, testing, commissioning, and commercial operations.

Website1 office1 projects3 leadersUpdated Jun 2026

Project: DC Water Blue Plains Wastewater Treatment Plant

Service: Electrical EngineeringService: Schematic and Concept DesignService: Installation and Erection SupportIndustry: TransportationIndustry: RailType: Electrical Engineering+18 more

Auth Consulting & Associates

Menomonie, WI

Plan. Design. Engineer.

WebsitePhone2 offices5 leadersFounded 1995Updated Jun 2026

Service detail: Agricultural Engineering

Service: Agricultural EngineeringService: Agricultural Facility DesignService: Civil EngineeringIndustry: AgricultureIndustry: MiningType: Civil Engineering+41 more

BCS Allegient

Arlington, VA

Services and Solutions Optimized for Mission Success

WebsitePhone3 offices5 projects14 leaders3 credentialsFounded 2024

Project: U.S. Army Office of Energy Initiatives (OEI) Project Support

Service: Research Portfolio Execution and IntegrationService: Science & Engineering StudiesService: Energy Audits & BenchmarkingIndustry: GovernmentIndustry: FederalType: Defense Engineering+59 more

CGC Group Consulting Engineering

Doral, FL

We create solutions to complex projects, working together.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering Support Services

Service: Civil Engineering Support ServicesService: Site Development Planning and PermittingService: Road and Drainage DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 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

Cherokee Energy Management & Construction Inc.

Virginia Beach, VA

energy efficiency.....use only what you need

WebsitePhone1 office7 projects3 leaders1 credentialsFounded 2006

Project: NAVFAC MIDLANT Resource Efficiency Management

Service: Commercial and Industrial Energy ManagementService: Co-Generation and Demand ResponseService: Microgrid IntegrationIndustry: CommercialIndustry: EducationType: Owner's Engineer+28 more

Civil Renewables, Inc.

Thornton, CO

Build on a Solid Foundation!

WebsitePhone1 office2 leaders1 credentials5 publicationsSize Estimate: 1-10 employees

Service detail: Geotechnical Consulting

Service: Geotechnical ConsultingService: Desktop StudiesService: Preliminary Geotechnical InvestigationsIndustry: Renewable EnergyIndustry: WindType: Civil Engineering+30 more

Coffman Engineers

Anchorage, AK

The Right Team Matters

WebsitePhone23 offices8 projectsFounded 1982Updated Jun 2026

Project: 100 MW Hydrogen Production Plant

Service: Civil EngineeringService: Bridge EngineeringService: Land SurveyingIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

Cyclone Energy Group

Chicago, IL

High Performance Building Consultants

WebsitePhone2 offices15 projects34 credentials4 publicationsFounded 2012

Project: Chicago O'Hare CONRAC

Service: Commissioning & TestingService: Fundamental CommissioningService: Enhanced CommissioningIndustry: CommercialIndustry: EducationType: Simulation Engineering+34 more

Design Depictions Structural Engineering, P.C.

Elkridge, MD

DDSE Solves Structural Engineering and Architectural Challenges for Buildings and Structures

WebsitePhone2 offices2 leaders13 credentialsUpdated Jun 2026

Service detail: Structural Engineering Solutions

Service: Structural Engineering SolutionsService: Engineering Calculations and DesignService: Drafting and Building Information ModelingIndustry: CommercialIndustry: ResidentialType: Structural Engineering+22 more

EDM Services, Inc.

Simi Valley, CA

Exceptional Service is all we Sell

WebsitePhone1 office4 projects3 leadersFounded 1990Updated Jun 2026

Project: SoCalGas Senate Bill 1383 Dairy Biomethane Project (South Tulare)

Service: Pipeline EngineeringService: Pipeline Engineering and DesignService: Structural EngineeringIndustry: Environmental & RemediationIndustry: GovernmentType: Civil Engineering+39 more

ESE Partners

Houston, TX

Responsibly Moving Business Forward

WebsitePhone5 offices8 leadersUpdated Jun 2026

Service detail: Due Diligence

Service: Due DiligenceService: Phase I Environmental Site AssessmentsService: Phase II Environmental InvestigationsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+18 more

EcoStrategies Engineering & Surveying

Falconer, NY

Civil engineering, environmental consulting, and professional land surveying services

WebsitePhone2 offices2 leaders2 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Subdivision DesignService: Site Grading and Drainage PlansIndustry: Aggregates & QuarryingIndustry: Biomass & BioenergyType: Civil Engineering+40 more

Environmental Consulting & Technology, Inc.

Gainesville, FL

Experts on subjects that matter.

WebsitePhone1 officeFounded 1988Updated Jun 2026

Service detail: Transactional Due Diligence

Service: Transactional Due DiligenceService: Ecological ServicesService: Biological surveysIndustry: Environmental & RemediationIndustry: Renewable EnergyType: Environmental Engineering+41 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

GDS Associates, Inc.

Marietta, GA

Energy Consultants, Engineers, and Leaders

WebsitePhone1 office10 leaders1 publicationsFounded 1986Updated Jun 2026

Service detail: Power Supply & Transmission

Service: Power Supply & TransmissionService: Supply Portfolio Development & RTO/ISO ManagementService: Transmission & Generation Investment PlanningIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+17 more

Goodheart & Associates, PLLC

Oak Brook, IL

Infrastructure Engineering

WebsitePhone1 office5 projects1 leaders4 credentialsSize Estimate: 1-4 employees

Project: Regional Distribution Center Potash Storage Facility

Service: Program ManagementService: Project Management and CoordinationService: Owner's Representative ServicesIndustry: ManufacturingIndustry: IndustrialType: Civil Engineering+52 more

Green Powered Technology LLC

Arlington, VA

GPTech drives the future with energy and infrastructure solutions.

WebsitePhone1 office16 projects3 leaders2 credentialsFounded 2010

Project: SCALE Architecture & Engineering

Service: EnergyService: Renewable Energy ResearchService: Energy Engineering Technical AssistanceIndustry: EducationIndustry: TransportationType: Power & Utility Engineering+16 more

GreenGen (Green Generation Solutions, LLC)

Washington, DC

Greener Buildings. Greater Profits.

Website1 office4 projects8 leaders7 credentials6 publicationsFounded 2011

Project: EQT Real Estate BREEAM Certification

Service: Sustainability StrategyService: Regulatory Compliance AdvisoryService: Net Zero Pathway DevelopmentIndustry: CommercialIndustry: ResidentialType: Environmental Engineering+31 more