Cooper Power Systems manufactures medium- and high-voltage electrical equipment, components and systems that provide electric power to homes, industries, businesses and institutions throughout the world. Used in substations, overhead, underground and in-plant medium-voltage distribution systems, Cooper s products include transformers, capacitors, voltage regulators, distribution switchgear, transformer fluids, distribution automation equipment, transformer components and protective equipment. Product lines manufactured by Cooper include McGraw-Edison, Kyle, RTE and Kearney. Cooper Power Systems is a division of Cooper Industries, a United States-based Fortune 500 company. In addition to manufacturing equipment, the company operates a unified research and development program that coordinates development efforts across all product lines. Headquartered in Waukesha, Wis., the company has more than 16 facility locations worldwide, including one in Nacogdoches, Texas.