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

Arnold & Associates, Inc.

Roswell, GA

Arnold & Associates, Inc. (A&A) is an Operations and Maintenance (O&M) engineering consulting practice founded in 1988 and based in Roswell, Georgia. It provides professional engineering, training, technical O&M consulting, and staff support services. Its capabilities serve industrial and utility systems, steam and electric power generation, building HVAC systems, and similar facility operations. The practice specializes in the efficient management and utilization of personnel, energy, rotating equipment, boilers, steam and combustion turbines, and diesel-engine-driven components. It also offers technical recruiting, energy conservation surveys, and professional power engineering licensing preparation seminars.

Website1 office2 credentialsFounded 1988Updated Jun 2026

Service detail: Operations & Maintenance Consulting

Service: Operations & Maintenance ConsultingService: Procedures Review and UpdatingService: O&M Personnel EvaluationsIndustry: Power GenerationIndustry: Oil & GasType: Mechanical Engineering+29 more

Autologic LLC

North Chesterfield, VA

Electrical and Controls Engineering, Design, & Programming Services

WebsitePhone2 offices4 projects5 leaders2 credentialsFounded 2001

Project: Fiberight BioFuel Recycling Facility - Turnkey Control System

Service: Electrical and Controls EngineeringService: Electrical DesignService: Control Panel DesignIndustry: MiningIndustry: Power GenerationType: Automation & Controls+45 more

Buzz High Voltage, LLC

Expert Consulting for All Things High Voltage

Website6 projects1 leaders1 credentialsUpdated Jun 2026

Project: Cable Accessory Manufacturer Test Area Design

Service: High Voltage Testing & InspectionService: Dielectric TestingService: Equipment InspectionIndustry: Electric UtilitiesIndustry: GovernmentType: Electrical Engineering+33 more

Cadick Corporation

Garland, TX

Customized electrical power solutions

WebsitePhone1 office4 leadersFounded 1986Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Flash Hazard AnalysisService: Short Circuit AnalysisIndustry: Electric UtilitiesIndustry: Power GenerationType: Electrical Engineering+27 more

Cara Engineering, P.C.

New York, NY

Engineering Design and Analysis for Transit and Critical Facilities

WebsitePhone2 offices12 projectsUpdated Jun 2026

Project: Metro-North C-16 Pelham Substation Incoming Utility Service Design & Ground Grid Design

Service: Transit and Traction Power EngineeringService: Traction Power DesignService: Signal Power DesignIndustry: TransitIndustry: RailType: Electrical Engineering+19 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

DST Engineers

Powering a Reliable, Renewable Future

WebsiteUpdated Jun 2026

Service detail: Distribution Engineering

Service: Distribution EngineeringService: Distribution System Planning, Design and Engineering (OH/UG to 35 kV)Service: Load Forecasting and Growth ModelingIndustry: Electric UtilitiesIndustry: Automation & ControlsType: Power & Utility Engineering+34 more

Diversified Power Services

From Millivolts to Lightning Bolts, We Service It All!

Website3 credentialsSize Estimate: 6-25 employeesUpdated Jun 2026

Service detail: Commissioning & Acceptance Testing

Service: Commissioning & Acceptance TestingService: Substation Acceptance TestingService: Collection Systems CommissioningIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+28 more

Dreiym Engineering

Houston, TX

Electrical, Corrosion, and Forensic Engineering

WebsitePhone1 office3 leaders3 credentialsFounded 2014Size Estimate: 1-9 employees

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System StudiesService: Electrical Design & ComplianceIndustry: UtilitiesIndustry: TelecommunicationsType: Electrical Engineering+21 more

ELCON Technologies

Bridgeville, PA

Engineering Services and Solutions for Automation, Electrical Power, and Electromechanical Processes

WebsitePhone2 offices10 credentialsFounded 1988Updated Jun 2026

Service detail: Industrial Automation and Process Control

Service: Industrial Automation and Process ControlService: Machine ControlService: Process Control and SCADAIndustry: Automation & ControlsIndustry: IndustrialType: Electrical Engineering+24 more

ELECT, P.C.

Wendell, NC

Providing Quality Electrical Engineering Design, Analysis, and Testing Services Throughout the Southeastern United States and Beyond.

WebsitePhone1 officeFounded 1996Updated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Power Systems AnalysisService: Short Circuit and Protective CoordinationIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+27 more

Electrical Design Technology Inc

Sacramento, CA

Leading provider of power distribution equipment and services.

WebsitePhone2 offices4 projectsFounded 1984Updated Jun 2026

Project: SFMTA King Street Mobile Substation

Service: Project DesignService: Technical Specification WritingService: Component ListsIndustry: AirportsIndustry: Data CentersType: Electrical Engineering+24 more

Electro Standards Laboratories

Cranston, RI

Engineering and manufacturing solutions for data communication, sensing, measurement, and power continuity.

WebsitePhone1 office4 leaders2 credentialsFounded 1976Updated Jun 2026

Service detail: Contract R&D Engineering

Service: Contract R&D EngineeringService: R&D Contract Engineering ServicesService: Control Systems R&DIndustry: AerospaceIndustry: DefenseType: Electrical Engineering+37 more

Equagen Engineers PLLC

Raleigh, NC

Engineering by Ingenuity

Website1 office2 credentialsSize Estimate: 51-200 employeesUpdated Jun 2026

Service detail: Substation Engineering

Service: Substation EngineeringService: Feasibility StudiesService: Site Selection and EvaluationIndustry: Power Transmission & DistributionIndustry: Renewable EnergyType: Power & Utility Engineering+54 more

Evans Engineering and Consulting

Post Falls, ID

Progressive and detail-oriented electrical engineering design

WebsitePhone1 office10 projects6 credentialsUpdated Jun 2026

Project: Priest Rapids Turbine and Generator Building

Service: Electrical Engineering DesignService: Power System DesignService: Emergency Power System DesignIndustry: CommercialIndustry: RetailType: Electrical Engineering+30 more

FIAB Engineers, LLC

New Orleans, LA

Empowering Industry

WebsitePhone1 office1 leaders1 credentialsFounded 2023Size Estimate: 1-10 employees

Service detail: Electrical Engineering and Design

Service: Electrical Engineering and DesignService: Power Distribution DesignService: Lightning Protection and GroundingIndustry: PetrochemicalIndustry: Oil & GasType: Electrical Engineering+13 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

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

LB Electric Co., LLC

Cedar Grove, NJ

The Best Electrical Contractor In New York & New Jersey

WebsitePhone3 offices10 projects1 leaders21 credentialsFounded 1999

Project: Culver Line Project - Contract S-4009

Service: Electrical InstallationService: Power System InstallationService: Traction Power SystemsIndustry: TransitIndustry: TransportationType: Electrical Engineering+31 more

McCord Engineering, Inc.

College Station, TX

Innovation Powered By Experience

WebsitePhone3 offices1 leaders2 credentialsFounded 1985Size Estimate: 50-100 employees

Service detail: Distribution Line Design

Service: Distribution Line DesignService: 15 kV to 35 kV Overhead Electric Utility Infrastructure DesignService: Engineering and Design of 15 kV to 35 kV Underground Infrastructure (conduit, manhole, boring)Industry: Electric UtilitiesIndustry: GovernmentType: Land Surveying+47 more

McKim & Creed

Raleigh, NC

People Helping People Solve Complex Infrastructure Challenges

Website7 offices7 projects2 credentialsFounded 1984Size Estimate: 500-1,000 employeesUpdated Jun 2026

Project: City of Sarasota Lift Station 87

Service: Water & Wastewater EngineeringService: Water ManagementService: Wastewater ManagementIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+82 more

Motor City Electric Co.

Detroit, MI

Full-Service Electrical Contractor

WebsitePhone1 office8 projects5 credentialsFounded 1952Updated Jun 2026

Project: Little Caesars Arena

Service: Turnkey Electrical ContractingService: Design-BuildService: Design-AssistIndustry: AutomotiveIndustry: HealthcareType: Electrical Engineering+36 more

Oak Valley

Hot Springs, AR

Broad extensive engineering experience for industrial combustion and control systems

WebsitePhone1 office1 projects1 leaders2 credentialsFounded 1993

Project: Lumberton Biomass Power Plant Control System Upgrade

Service: Commissioning and TrainingService: Commissioning and Start-up AssistanceService: Operator Mentoring and Plant Personnel SupportIndustry: Power GenerationIndustry: Biomass & BioenergyType: Mechanical Engineering+32 more