Public engineering firm directory

Find engineering consulting firms by capability and location.

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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

Convergence Controls & Engineering

Littleton, CO

Where Controls & Engineering Converge

WebsitePhone2 offices4 credentialsUpdated Jun 2026

Service detail: Control Engineering and Programming

Service: Control Engineering and ProgrammingService: Programmable Logic ControllersService: Supervisory Control and Data AcquisitionIndustry: Oil & GasIndustry: Power GenerationType: Automation & Controls+32 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

EngGroup, PSC

Culebra, PR

Power in Motion

WebsitePhone1 office1 projects1 leadersFounded 2013Updated Jun 2026

Project: PREPA Energy Management System Maintenance & Operations

Service: Energy Management & Control SystemsService: Managed Services for Energy Management SystemsService: SCADA & Automatic Generation Control (AGC) SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Automation & Controls+16 more

GTech

Orcutt, CA

Tomorrow's Technology, Delivered Today.

WebsitePhone1 office5 projectsFounded 2015Updated Jun 2026

Project: Network Engineering for Satellite Processing Facility

Service: Engineering and IntegrationService: Electrical DesignService: Systems IntegrationIndustry: GovernmentIndustry: DefenseType: Electrical Engineering+17 more

IS International Services, LLC

Lawrenceville, GA

Service Never Sleeps

WebsitePhone1 office1 projects7 leaders2 credentialsUpdated Jun 2026

Project: Greenfield Crystal Production Facility

Service: Process Control and AutomationService: PLC, HMI, SCADA and DCS configurationService: Industrial networking protocolsIndustry: Automation & ControlsIndustry: Power GenerationType: Electrical Engineering+39 more

Interstates

Sioux Center, IA

Understanding needs. Delivering results.

Website1 officeUpdated Jun 2026

Service detail: Electrical Engineering and Construction

Service: Electrical Engineering and ConstructionService: Electrical EngineeringService: Electrical ConstructionIndustry: IndustrialIndustry: ManufacturingType: Electrical Engineering+10 more

Schweitzer Engineering Laboratories

Pullman, WA

Schweitzer Engineering Laboratories (SEL) is a company headquartered in Pullman, Washington, founded in 1982. SEL invents, designs, and manufactures digital products and systems that protect, control, monitor, automate, and integrate critical electric power infrastructure worldwide. SEL Engineering Services provides deep expertise in power system protection, control, automation, cybersecurity, and construction management, helping utilities and industries deliver reliable, secure power system projects. It has grown from 1 employee to more than 7,000 worldwide. SEL software solutions include the Blueframe platform for device management, distribution management, wide-area monitoring, and network management.

WebsitePhone1 officeFounded 1982Size Estimate: 7,000+ employeesUpdated Jun 2026

Service detail: Power System Protection

Service: Power System ProtectionService: Power System Control & AutomationService: Control and automation solutionsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+25 more

TruVision Solutions, LLC

Cocoa, FL

Mission-Critical Engineering

WebsitePhone7 offices6 projects11 credentialsFounded 2010Size Estimate: 1-25 employees

Project: TerraPower Molten Chloride Fast Reactor

Service: Engineering ServicesService: Design criteria and technical calculationsService: Engineering drawings and specificationsIndustry: GovernmentIndustry: FederalType: Automation & Controls+38 more

Valley Automation, Inc.

Luray, VA

Complex Challenges Solved with Custom Solutions

WebsitePhone4 offices3 projects4 credentialsFounded 2007Updated Jun 2026

Project: Frederick Water Pump Station

Service: Discrete ControlsService: PLC ProgrammingService: Vision Inspection SystemsIndustry: IndustrialIndustry: GovernmentType: Automation & Controls+40 more

Wunderlich-Malec Engineering, Inc.

Eden Prairie, MN

Engineering Superior Solutions

WebsitePhone1 office7 credentialsFounded 1981Size Estimate: 700 employeesUpdated Jun 2026

Service detail: Control System Integration

Service: Control System IntegrationService: Electrical & Power EngineeringService: Substation Relay & Control Panel FabricationIndustry: IndustrialIndustry: ManufacturingType: Automation & Controls+27 more