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

AM Power Solutions & Services LLC

Liberty Lake, WA

AM Power Solutions & Services LLC is an engineering and consulting practice specializing in tailored power and automation solutions. It serves power generation, utility, and industrial clients with a team of field-experienced engineers. In addition to traditional utility networks, the practice possesses specialized experience in isolated power systems and microgrid applications.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Substation and Plant Installations

Service: Substation and Plant InstallationsService: Plant InstallationsService: Substation InstallationsIndustry: Power GenerationIndustry: UtilitiesType: Automation & Controls+28 more

ARM EnerTech Associates, LLC

Johnstown, PA

Precise. Responsive. Solutions.

WebsitePhone4 offices4 projects7 credentialsFounded 1976Updated Jun 2026

Project: Fresh Water Withdrawal Station

Service: Automation & Control ServicesService: Supervisory Control & Data Acquisition (SCADA)Service: Industrial Process ControlIndustry: ManufacturingIndustry: UtilitiesType: Automation & Controls+31 more

Amped I LLC

Chicago, IL

We engineer & design systems for the reliability of the power grid.

Website1 office4 projects2 leadersFounded 2010Updated Jun 2026

Project: Solar & Wind Interconnects

Service: Protection & ControlService: Relay ProtectionService: Relay CommunicationsIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+34 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

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects3 credentialsFounded 1978Size Estimate: 25-50 employees

Project: Town of Windsor SCADA System

Service: Electrical EngineeringService: Lighting Design and ModelingService: Power System StudiesIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+33 more

Automation Control Service LLC

Pensacola, FL

Control System Integrator specializing in Automation & Information Systems

WebsitePhone1 office8 credentialsFounded 2003Updated Jun 2026

Service detail: Municipal & Industrial Automation

Service: Municipal & Industrial AutomationService: PLC & HMI ProgrammingService: SCADA & DCS IntegrationIndustry: GovernmentIndustry: IndustrialType: Automation & Controls+23 more

Bath Group, LLC

Corpus Christi, TX

A quality-conscious engineering practice dedicated to achieving client expectations through responsible engineering

Website3 offices4 leaders12 credentialsFounded 1957Size Estimate: 50+ employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Low Voltage SystemsService: Medium Voltage SystemsIndustry: CommercialIndustry: EducationType: Electrical Engineering+25 more

Bowman, Foster & Associates

Norfolk, VA

Mechanical, Electrical, and Plumbing Professional Engineers

WebsitePhone1 office9 projects9 leadersFounded 1961Size Estimate: 1-25 employees

Project: Women's Mental Health Services and Primary Care Clinic, VA Medical Center

Service: Mechanical EngineeringService: HVAC design for system replacements and upgradesService: Central plant design (boiler, chilled water, condenser water)Industry: FederalIndustry: GovernmentType: MEP+59 more

Camp Engineering Corporation

Competent, integrated, practical design solutions tailored to your project needs.

Website1 leadersUpdated Jun 2026

Service detail: Electrical Engineering & Design

Service: Electrical Engineering & DesignService: Power Distribution DesignService: Lighting & Grounding DesignIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+22 more

Control Engineers

Boise, ID

Industrial Electrical and Control Systems Engineering

WebsitePhone1 office7 projects5 credentialsFounded 2000Updated Jun 2026

Project: Surface Water Treatment Plant & Citywide Distribution Design

Service: Electrical EngineeringService: Power Distribution DesignService: Instrumentation & ControlsIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+17 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

EBL Engineers, LLC

Baltimore, MD

Engineering Excellence for over 50 years.

WebsitePhone1 office3 projects6 leadersSize Estimate: 10-50 employeesUpdated Jun 2026

Project: NASA Integration and Testing Complex

Service: Mechanical EngineeringService: HVAC SystemsService: Central Heating and Cooling PlantsIndustry: CommercialIndustry: GovernmentType: MEP+51 more

ELECSYS Engineering Group

Valhalla, NY

End-to-End Engineering Solutions for Public Infrastructure and the Built Environment

WebsitePhone2 offices12 projects2 leadersFounded 2017Size Estimate: 1-50 employees

Project: Grand Central Madison East Side Access

Service: Electrical EngineeringService: Medium- and Low-Voltage Power DistributionService: Lighting DesignIndustry: CommercialIndustry: RetailType: MEP+58 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

Electrical Consultants, Inc.

Billings, MT

Engineering with Distinction

WebsitePhone1 office3 projects17 leadersFounded 1985Size Estimate: 1,200+ employees

Project: Roseland BESS

Service: Transmission EngineeringService: Overhead and Underground TransmissionService: Land Survey and Construction StakingIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+36 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

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

Guardian Engineering Enterprises LLC

Executing Mission Critical Design-Build Solutions for a Dynamic Future

Website1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Project Programming & PlanningService: Regulatory Compliance & SafetyIndustry: InfrastructureIndustry: Power GenerationType: Architecture & Engineering+39 more

HG Engineers

Fort Walton Beach, FL

Engineering for you, wherever you are

WebsitePhone3 offices4 projects4 leadersFounded 1969Size Estimate: 10-49 employees

Project: Tactical Microgrid Standard Open Architecture Design

Service: Electrical Engineering for ArchitectureService: Lighting Systems and ControlsService: Power Distribution and SystemsIndustry: DefenseIndustry: FederalType: Electrical Engineering+20 more

Helios Electric LLC

Washington, DC

Tailored Solutions for Complex Electrical Engineering and Construction Needs

Website4 officesUpdated Jun 2026

Service detail: Electrical Design Services

Service: Electrical Design ServicesService: Transmission & DistributionService: Railway ElectrificationIndustry: IndustrialIndustry: UtilitiesType: Electrical Engineering+18 more

Howard Engineering, Inc.

Marietta, SC

Professional Electrical & Control Systems Consultants

WebsitePhone2 offices4 projects3 credentialsFounded 1995Updated Jun 2026

Project: Columbia Canal Water Treatment Plant

Service: Electrical EngineeringService: Power and Distribution System DesignService: Standby Power SystemsIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+18 more

Isaiah Engineering, Inc.

Mobile, AL

Building the Future

WebsitePhone1 officeFounded 2003Size Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Construction Management

Service: Construction ManagementService: Construction Cost Estimating and Cost ControlService: Project Planning and SchedulingIndustry: FederalIndustry: GovernmentType: Automation & Controls+58 more