Wispark is a branch subsidiary of Wisconsin Energy Corporation. Wisconsin Energy Corporation provides electric and natural gas service to customers throughout Wisconsin and the upper peninsula of Michigan. We Energies and Edison Sault Electric Company serves more than 1 million electric customers in Wisconsin and Michigan's upper peninsula, in addition to nearly 1 million natural gas customers in Wisconsin. We Energies is the trade name of Wisconsin Electric Power Company and Wisconsin Gas Company, the company's principal utility subsidiaries. Wisconsin Energy Corporation s non-utility businesses include energy development, recycling and renewable energy and real estate development. Wisconsin Energy Corporation has headquarters in Milwaukee, Wis., and trades on the New York Stock Exchange under the symbol WEC. Wispark is located in Milwaukee, Wis., where it employs nearly 10 people.