For over four decades PolyPhaser, Transtector Systems, DOWIN, LEA International and RO Associates have worked to become industry leaders in design, manufacturing and consulting of power and signal integrity solutions used to protect communications systems and critical electronics from lightning and power anomalies.

PolyPhaser
A global manufacturer of proprietary RF surge protection solutions, PolyPhaser leads the market with an innovative DC Block and DC Pass RF product portfolio.

Transtector Systems
A market leader in silicon diode technology, Transtector engineers and manufactures a diverse product offering that includes AC, DC and data/signal surge protection, EMP protection, power conditioning, UPS, power distribution and integrated cabinets.

DOWIN
Founded on the ability to provide custom engineered solutions, DOWIN has the proven capabilities to design, develop and manufacture surge suppression solutions for network requirements. DOWIN's lightning protection solutions include AC, DC and signal systems including Analog, Digital and RF.

LEA International
Specializing in unique MOV-based solutions, LEA International provides surge protection devices and power conditioning systems for sophisticated electronic equipment.

RO Associates
For over 20 years RO Associates has been committed to providing expertise and professional assistance in power and grounding consulting and educational courses

Working across the organization we provide the best end-to-end power quality solutions for the telecommunications, medical imaging, transportation, energy, security and military markets.