Cooper Power Systems, Inc. engages in the manufacture and sale of equipment, components, and systems for distributing and managing electrical energy. Its products are used by electric utility companies in bringing electric power to homes, industries, businesses, and institutions worldwide. It manufactures a range of medium and high voltage electrical equipment for the utility and industrial markets. The company provides single-phase and three-phase overhead and pad-mounted transformers, power capacitors, voltage regulators, air-break disconnect switches, reclosers, switches, fault interrupters, sectionalizers, and fuses. The company also offers arresters, cable accessories, transformer components, entrance/terminating equipment, tools and grounding equipment, fault indicators, protective relays, distribution automation equipment, power systems analysis software, and specialty transformer fluids. It operates in Fayetteville, Arkansas; Lumberton, Mississippi; Olean, New York; Greenwood, South Carolina; Nacogdoches, Texas; Franksville, Pewaukee, South Milwaukee, and Waukesha in Wisconsin; Sao Paulo, Brazil; and Pingdingshan City, China. The company was founded in 1985 and is based in Waukesha, Wisconsin. Cooper Power Systems, Inc. operates as a subsidiary of Cooper Industries, Ltd.