Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

BEKN Electrical Consultants, LLC

Cypress, TX

BEKN Electrical Consultants, LLC is an electrical power engineering and field services practice based in Cypress, Texas, and a registered engineering practice in the State of Texas. Services include power system engineering studies, protective relay applications and development, predictive and preventative maintenance, commissioning and startup support, and training. Field capabilities include protective relay testing, acceptance and maintenance testing of transformers, cables, breakers, and switchgear, and SCADA and HMI integration. BEKN offers 24-hour emergency services.

Website1 office2 leadersUpdated Jun 2026

Service detail: Power System Engineering Studies

Service: Power System Engineering StudiesService: Short Circuit AnalysisService: Arc Flash Hazard AnalysisIndustry: Oil & GasIndustry: HealthcareType: Electrical Engineering+28 more

C6 Engineering, LLC

Electrical, Instrumentation & Controls Services

WebsiteUpdated Jun 2026

Service detail: Project Management and Consulting

Service: Project Management and ConsultingService: Project PlanningService: Feasibility StudiesIndustry: IndustrialIndustry: Renewable EnergyType: Electrical Engineering+30 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

Coastal Grid Inc

San Luis Obispo, CA

Engineering The Grid Of Tomorrow

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Design and Project Engineering

Service: Design and Project EngineeringService: Electrical Substation Design, Drafting, and Project ManagementService: Project Design and Print PackagesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Automation & Controls+27 more

Commonwealth Associates, Inc.

Jackson, MI

Experience the power of partnership.

WebsitePhone1 office11 projects6 credentialsSize Estimate: 50-199 employeesUpdated Jun 2026

Project: 500MW Solar Farm Engineering & System Studies

Service: Renewable Energy EngineeringService: Solar PV DesignService: Battery Energy Storage SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+44 more

Custom Engineering Solutions

Alpharetta, GA

An electrical, civil, and structural engineering corporation offering comprehensive utility and power services.

WebsitePhone2 offices3 leaders6 credentialsUpdated Jun 2026

Service detail: Substation Design and Relaying

Service: Substation Design and RelayingService: Physical Substation LayoutService: Protection and Control Panel DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Civil Engineering+39 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

E-PRO Engineering LLC

Oakland, ME

Expert Consulting Services & Innovative Solutions

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Timeline SchedulingService: Procurement ManagementIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+35 more

Electric Utility Consultants, LLC

Expert substation and transmission & distribution engineering services

Website1 leadersUpdated Jun 2026

Service detail: Substation Engineering

Service: Substation EngineeringService: Protection and Controls DesignService: Physical Electrical LayoutIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+21 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

Epassa Electrical Engineering, LLC

Houston, TX

Power is our ExpErtisE

WebsitePhone1 office1 leaders13 credentialsSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Electrical Power Studies

Service: Electrical Power StudiesService: Arc Flash AnalysisService: Protection and Coordination StudiesIndustry: Renewable EnergyIndustry: WindType: Electrical Engineering+15 more

Franx Power LLC

Engineering expertise for high-power electrical equipment and applications.

Website1 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Power Quality Analysis

Service: Power Quality AnalysisService: Data Center Power QualityService: Voltage Stability DiagnosticsIndustry: Data CentersIndustry: Energy StorageType: Electrical Engineering+19 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

Idergy, PLLC

Houston, TX

Professional electrical engineering, arc flash assessments, and power system studies

WebsitePhone1 office10 credentialsFounded 2019Updated Jun 2026

Service detail: Arc Flash Assessments

Service: Arc Flash AssessmentsService: Electrical Equipment SurveyingService: Arc Flash Hazard AnalysisIndustry: Oil & GasIndustry: IndustrialType: Electrical Engineering+17 more

Infinite Energy Construction

Kansas City, MO

Powering Possibilities. Engineering Impact.

WebsitePhone1 office4 projectsFounded 1996Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Visitors Gate Entryway Renovation

Service: Construction ManagementService: Design-build and bid-build deliveryService: New construction and facility renovationsIndustry: DefenseIndustry: FederalType: Automation & Controls+25 more

KCS Corporation

Engineering Services of Unmatched Value

WebsiteUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Substation Physical DesignService: Protection and ControlsIndustry: TelecommunicationsIndustry: Power Transmission & DistributionType: Electrical Engineering+19 more

Keystone Engineering Group, Inc.

Frazer, PA

Forward Thinking for a Sustainable Future

WebsitePhone5 offices8 leadersFounded 1997Size Estimate: 80 employeesUpdated Jun 2026

Service detail: Automation & Control Systems

Service: Automation & Control SystemsService: Control Systems & SCADA DesignService: Complete Systems IntegrationIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+20 more

Koech Engineering LLC

Apple Valley, MN

Committed to sustainability principles that protect and preserve the planet and improve our community.

WebsitePhone1 office1 projectsUpdated Jun 2026

Project: Bemidji Location Electrical Engineering Support

Service: Power System EngineeringService: Load Flow AnalysisService: Short Circuit AnalysisIndustry: ManufacturingIndustry: GovernmentType: Electrical Engineering+18 more

Murphy Engineering, Inc.

Tupelo, MS

Electrical Engineering Consulting and Design

WebsitePhone1 office1 leaders7 credentialsFounded 1987Size Estimate: 1-9 employees

Service detail: Electrical Power System Studies

Service: Electrical Power System StudiesService: Protective Device CoordinationService: Short Circuit and Fault AnalysisIndustry: IndustrialIndustry: CommercialType: Electrical Engineering+11 more

NAVA Utility Engineering & Construction

Engineering Excellence For Electric Utilities

Website4 projectsUpdated Jun 2026

Project: QA/QC Lead for Urban Underground Distribution

Service: Utility and Distribution DesignService: Overhead and Underground DistributionService: Substation and Grid IntegrationIndustry: Electric UtilitiesIndustry: Renewable EnergyType: Electrical Engineering+13 more

Sixty Mountain, PLLC

Kennewick, WA

Electrical consulting services

WebsitePhone1 office3 projects1 leadersUpdated Jun 2026

Project: Substation Commissioning Support

Service: Substation ServicesService: Panel Layout and DesignService: Ground and Lightning DesignIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+43 more

TEAMWORKnet Inc

Lakeland, FL

Electrical Power Engineering You Can Depend on

WebsitePhone1 office1 leaders5 credentialsFounded 1977Updated Jun 2026

Service detail: Power Engineering & Electrical Design

Service: Power Engineering & Electrical DesignService: Power Distribution System DesignService: Substation Design & EngineeringIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+32 more

TOR Engineering Corporation

Phoenix, AZ

The Power Is in Our People

WebsitePhone1 office7 leadersFounded 1985Size Estimate: 70-249 employeesUpdated Jun 2026

Service detail: Electrical Substation Engineering & Design

Service: Electrical Substation Engineering & DesignService: Greenfield & Brownfield Engineering & Design ServicesService: Single Line DevelopmentIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+41 more