Public engineering firm directory

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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

LoopCalTech LLC

Engineering Tomorrow

Website1 leaders1 credentialsSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Instrumentation and Control Systems

Service: Instrumentation and Control SystemsService: Distributed Control Systems (DCS) design and integrationService: Process automation and SCADA systemsIndustry: Oil & GasIndustry: PetrochemicalType: Automation & Controls+80 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

Patterson & Dewar Engineers

Norcross, GA

Proudly Serving Clients Since 1947

WebsitePhone1 office3 credentials4 publicationsFounded 1947Updated Jun 2026

Service detail: Electric Utility Solutions

Service: Electric Utility SolutionsService: Transmission SystemsService: SubstationsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+33 more

Power Control Engineering Solutions, LLC

Tulsa, OK

Tulsa's Premier Electrical Engineering, Automation, and Manufacturing Facility

Website1 office4 credentialsFounded 2003Updated Jun 2026

Service detail: Electrical Engineering and Design

Service: Electrical Engineering and DesignService: Power Distribution SystemsService: Protective Relaying and Relay ProgrammingIndustry: Oil & GasIndustry: Power GenerationType: Electrical Engineering+26 more

Power Infrastructure Vital Engineering, Inc.

Conquering Power Challenges, Solutions Driven Results

WebsiteUpdated Jun 2026

Service detail: Power Delivery Engineering

Service: Power Delivery EngineeringService: Substation Design & EngineeringService: Distribution Design & EngineeringIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+28 more

Sargent & Lundy

Chicago, IL

Bright ideas, real solutions.

WebsitePhone1 office3 projects4 leaders4 credentialsFounded 1891

Project: San Francisco BART Battery Storage Feasibility Study

Service: Nuclear PowerService: New Reactor LicensingService: Extended Power UprateIndustry: NuclearIndustry: Power GenerationType: Power & Utility Engineering+34 more

Shrader Consultants LLC

Houston, TX

Over two decades of experience in power, instrumentation, and automation for regional water infrastructure

Website1 office3 publicationsFounded 2020Updated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power Distribution DesignService: Medium Voltage Switchgear EngineeringIndustry: Water SupplyIndustry: WastewaterType: Electrical Engineering+44 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

Stoddard Power Systems, LLC

Eugene, OR

Experts in Electrical Power Systems Engineering

WebsitePhone1 office1 projects8 leaders1 credentialsSize Estimate: 1-10 employees

Project: New GSU Switchyard at RS Kerr Dam

Service: Power System DesignService: Substation and Distribution DesignService: Turnkey Design-Build ServicesIndustry: Power GenerationIndustry: Electric UtilitiesType: Electrical Engineering+24 more

Sub-Engineering LLC

Designing Tomorrow's Electric System

Website1 leadersUpdated Jun 2026

Service detail: Conceptual & Preliminary Engineering

Service: Conceptual & Preliminary EngineeringService: Conceptual DesignService: Preliminary EngineeringIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+19 more

Systems Engineering, Inc.

Madison, MS

Automation, Power, and Electrical Engineers

WebsitePhone1 officeSize Estimate: 1-25 employeesUpdated Jun 2026

Service detail: Industrial Automation and PLC Systems

Service: Industrial Automation and PLC SystemsService: PLC Panel Design and Turn-Key FabricationService: PLC ProgrammingIndustry: AutomotiveIndustry: WastewaterType: Automation & Controls+42 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

The Engineering Partners Inc

San Diego, CA

Engineering a Better World

WebsitePhone2 offices2 projects9 leadersFounded 1985Size Estimate: 150+ employees

Project: City of San Diego Block 4Y Dry Utilities Undergrounding

Service: Electric Distribution Engineering & DesignService: Electric System ReliabilityService: New Business & Development SupportIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+35 more

Transmission & Distribution Services LLC

Albuquerque, NM

Delivering Innovative Solutions | Focused on Quality | Providing Industry Expertise

WebsitePhone1 officeFounded 2007Size Estimate: 50-99 employeesUpdated Jun 2026

Service detail: Power Delivery

Service: Power DeliveryService: SubstationsService: Transmission & Distribution LinesIndustry: Power Transmission & DistributionIndustry: Electric UtilitiesType: Power & Utility Engineering+18 more

Verus

From analytics to connected facilities, we are enabling the journey to digitally transform industry

WebsiteUpdated Jun 2026

Service detail: Consulting

Service: ConsultingService: Project Business Case DevelopmentService: Automation StrategyIndustry: Oil & GasIndustry: ManufacturingType: Electrical Engineering+20 more