Polarity, Inc. is an ISO 9001:2008 and AS9100 certified power systems design and manufacturing company located in Rancho Cordova, California. We specialize in innovative, reliable, and affordable high voltage power systems and solutions. Our modern 10,000 sq ft facility is equipped with the tools necessary to perform power electronic, analog, and digital circuit design. It also has comprehensive thermal and mechanical design capabilities and the equipment necessary to perform complete product characterization, including environmental testing for temperature, altitude, vibration, and shock.