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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

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

O & S Services

O & S Services is a multi-disciplinary technology consulting practice incorporated in Texas in 2010, delivering electrical, mechanical, industrial, and systems engineering; cybersecurity; and technical translation. It has served the U.S. Department of Defense, major defense contractors including Lockheed Martin, Collins Aerospace, and Bell Flight, and commercial technology companies such as Texas Instruments, Qualcomm, Toyota, and Honeywell. Its engineers have contributed more than 25 articles to IEEE Consumer Electronics Magazine over a decade.

Website1 leaders1 publicationsFounded 2010Updated Jun 2026

Service detail: Engineering Consulting

Service: Engineering ConsultingService: Electrical EngineeringService: Mechanical EngineeringIndustry: DefenseIndustry: FederalType: Electrical Engineering+34 more

RMA Engineering, LLC

Concordia, KS

Engineering services virtually everywhere

WebsitePhone3 offices6 leadersFounded 2008Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Municipal Streets and County RoadsService: Bridge Design and MaintenanceIndustry: InfrastructureIndustry: Electric UtilitiesType: Civil Engineering+26 more