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

ARUSI, LLC

Phoenix, AZ

Powering Your Vision With 35 Years of Experience

WebsitePhone1 office2 projects1 leadersFounded 1987Updated Jun 2026

Project: Sky Harbor International Airport Utility Services

Service: Utility Engineering, Coordination & ConsultingService: System StudiesService: Utility CoordinationIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+21 more

Alpha Engineering, Inc.

Indianapolis, IN

Innovative Power Solutions

WebsitePhone1 office3 leadersFounded 1979Updated Jun 2026

Service detail: Power Systems Engineering

Service: Power Systems EngineeringService: Substation EngineeringService: Line DesignIndustry: CommercialIndustry: EducationType: Electrical Engineering+22 more

Ampirical

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Website3 projects1 credentialsSize Estimate: 250-500 employeesUpdated Jun 2026

Project: 230kV Transmission Line EPC

Service: Substation EngineeringService: Full physical, civil, structural, and P&C designService: Grounding, shielding, and lightning protectionIndustry: Electric UtilitiesIndustry: Power GenerationType: Automation & Controls+58 more

Auriga Corporation

Milpitas, CA

Auriga Corporation is a privately held engineering consulting firm established in 1990 and headquartered in Milpitas, California. For over 30 years Auriga has served rail and transit agencies, municipal utilities, the United States federal government, state and local governments, and international organizations across project management, electrical engineering, systems engineering, fare and payment collection, and information technology. Its ISO 9001-compliant project managers and consultants average more than 20 years of experience in their respective disciplines.

WebsitePhone1 office4 projects1 credentialsFounded 1990Updated Jun 2026

Project: SFMTA Twin Peaks Tunnel Trackway Improvement Project - Cost and Schedule

Service: Project ManagementService: Project Oversight and CoordinationService: Independent Verification and ValidationIndustry: TransitIndustry: RailType: Electrical Engineering+18 more

CLP Engineering

Denver, CO

Planning and design with O&M in mind

WebsitePhone1 office8 projects11 leaders1 credentialsUpdated Jun 2026

Project: APG Electrical Distribution System Infrastructure Upgrade

Service: MicrogridsService: Microgrid Systems IntegrationService: Planning and Energy AnalysisIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+38 more

Civil Engineering Consultants, Inc.

Marietta, GA

Engineering Design Expertise

WebsitePhone1 office10 projectsFounded 1986Updated Jun 2026

Project: 105 MGD Lake Lanier Raw Water Intake Facility

Service: Water ReclamationService: Studies & PlanningService: Feasibility studiesIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+61 more

Current Edge Solutions

Savannah, GA

Unique Solutions, Practical Expertise from Concept through Execution

WebsitePhone4 offices5 projects4 credentialsFounded 2019Updated Jun 2026

Project: Ft. Eisenhower Microgrid Project

Service: Utility Electrical EngineeringService: DOT Coordination & Utility RelocationsService: Distribution Planning & Reliability StudiesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+28 more

DARcor & Associates, Inc.

Phoenix, AZ

Innovation and technical precision are our core values.

Website1 office12 projects5 leaders2 credentialsFounded 1997Size Estimate: 11 employees

Project: ADOT Rest Area Rehabilitation

Service: Control Panel & IntegrationService: PLC & HMI/OIT ProgrammingService: Process & Instrumentation DiagramsIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+21 more

E.C. Fennell, Inc.

West Palm Beach, FL

Electrical and mechanical engineering solutions for energy, utility, and infrastructure projects

WebsitePhone3 offices10 leadersSize Estimate: 100-199 employeesUpdated Jun 2026

Service detail: Power Delivery Engineering

Service: Power Delivery EngineeringService: Transmission LinesService: Distribution SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+27 more

Electric Power Systems, Inc.

Anchorage, AK

Powerful ideas. Practical results. On time delivery.

Website1 office5 projectsUpdated Jun 2026

Project: East End Road Utility Relocation

Service: EngineeringService: Electrical EngineeringService: Mechanical EngineeringIndustry: Electric UtilitiesIndustry: Power GenerationType: Power & Utility Engineering+50 more

Element 29 LLC

Tampa, FL

Multidisciplinary engineering for industrial, energy, and mission-critical systems.

WebsitePhone1 office19 projects1 leaders2 credentialsUpdated Jun 2026

Project: 20.5 MGD Reverse Osmosis System

Service: Process and Chemical EngineeringService: Process flow diagrams and P&IDsService: Mass and energy balancesIndustry: IndustrialIndustry: ManufacturingType: Process Engineering+108 more

GERS USA LLC

Weston, FL

Generating comprehensive and innovative solutions for the energy sector

WebsitePhone3 officesFounded 1981Updated Jun 2026

Service detail: Power System Studies

Service: Power System StudiesService: Power Systems Planning (Generation and Transmission)Service: Power System Planning (Distribution)Industry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+30 more

Gale Associates, Inc.

Rockland, MA

From any angle

Website7 offices6 projects4 credentials1 publicationsFounded 1964Size Estimate: 50-200 employees

Project: Town of Bow On-Call Civil Engineering Consulting

Service: Civil EngineeringService: Site civil design and permittingService: Stormwater engineeringIndustry: AirportsIndustry: AviationType: Civil Engineering+41 more

Grubb Engineering, Inc.

San Antonio, TX

Electrical Power Systems Design and Testing

WebsitePhone1 office1 credentialsFounded 1981Updated Jun 2026

Service detail: Electrical System Design

Service: Electrical System DesignService: Water and Wastewater Facility Electrical DesignService: Substation, Transmission, and Distribution DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+36 more

Henry Adams, LLC

Baltimore, MD

Engineering Excellence Since 1898

WebsitePhone1 office11 projects6 leadersFounded 1898Updated Jun 2026

Project: Towson University Student Union

Service: Mechanical EngineeringService: Electrical EngineeringService: Electrical Generation & DistributionIndustry: CommercialIndustry: Mixed-UseType: MEP+29 more

IWA Technical Services Inc.

Dallas, TX

It's more than Push-To-Talk

WebsitePhone1 office1 leaders3 credentialsSize Estimate: 2-5 employeesUpdated Jun 2026

Service detail: RF Engineering & Communications System Design

Service: RF Engineering & Communications System DesignService: NEPA StudiesService: RF Interference Analysis and MitigationIndustry: TelecommunicationsIndustry: Public SafetyType: Telecom / RF Engineering+30 more

K&H Architectural & Engineering Services, LLC

Amherst, NY

Engineering, Architecture, Procurement and Construction Management

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering & Architecture

Service: Engineering & ArchitectureService: Architectural DesignService: Civil EngineeringIndustry: Power GenerationIndustry: MetalsType: Architecture & Engineering+33 more

MEP Consulting Engineers, Inc.

Las Colinas, TX

Expect engineering excellence.

WebsitePhone5 offices1 projectsSize Estimate: 15-75 employeesUpdated Jun 2026

Project: New Parkland Hospital

Service: Mechanical & Plumbing EngineeringService: HVAC SystemsService: Central PlantsIndustry: AirportsIndustry: Senior LivingType: MEP+84 more

Maida Engineering, Inc.

Philadelphia, PA

Service oriented, project driven success.

WebsitePhone2 offices1 projects1 leaders3 credentialsFounded 1978

Project: 19,000 HP Synchronous Motor Replacement

Service: Power System AnalysesService: Reliability & Load Flow StudiesService: Short Circuit Calculations & TCC Coordination StudiesIndustry: IndustrialIndustry: CommercialType: Electrical Engineering+47 more

Michaels Energy

Minimize Waste. Maximize Value.

Website1 projects2 leaders26 credentialsFounded 1984Updated Jun 2026

Project: Kids' Food Basket Freezer Energy Resilience

Service: Program Design & DeliveryService: Program DesignService: Program DeliveryIndustry: Electric UtilitiesIndustry: UtilitiesType: Power & Utility Engineering+38 more

NEI Electric Power Engineering, Inc.

Lakewood, CO

Engineering a Legacy of Expertise

WebsitePhone1 office23 leaders5 publicationsFounded 1982Size Estimate: 100-250 employees

Service detail: Substation Design and Engineering

Service: Substation Design and EngineeringService: Utility SubstationsService: Renewable SubstationsIndustry: Electric UtilitiesIndustry: Renewable EnergyType: Automation & Controls+36 more

NexGrade Engineering, LLC

Abilene, TX

Electrical, mechanical, and automation engineering consulting for industrial and commercial clients.

WebsitePhone1 office3 leaders9 credentialsUpdated Jun 2026

Service detail: Owner's Engineer

Service: Owner's EngineerService: Project Financing SupportService: Independent Engineering ReviewIndustry: Renewable EnergyIndustry: Water SupplyType: Automation & Controls+38 more

Norda Stelo Inc

impact engineering

Website1 leaders6 credentialsFounded 1977Updated Jun 2026

Service detail: Environment, Climate Change and Decarbonization

Service: Environment, Climate Change and DecarbonizationService: Environmental and Social StudiesService: Decarbonization PlanningIndustry: Power GenerationIndustry: Renewable EnergyType: Civil Engineering+49 more