OnLine Power Incorporated is a privately owned company located in Los Angeles, CA.  Since our beginnings in 1975, Online Power has become the largest manufacturer of medical power products and tap switching regulators in the world.  In addition to medical power protection products, OnLine Power offers custom distribution systems, packaged power supplies, harsh environment UPS and regulator systems, monitoring systems, standard and battery-less UPS and the largest line of automatic voltage regulators available.