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SEMCO Energy, Inc. is engaged in natural gas distribution operations in Michigan and Alaska. The Company's Michigan operation is referred to as SEMCO Gas, while the Alaska operation is called ENSTAR. SEMCO Gas is a division of the Company. The ENSTAR
Meramec Electric Products is a Cuba, MO-based company in the Energy and Utilities sector.
Vienna Operation Inc is a Vienna, MD-based company in the Energy and Utilities sector.
Wisconsin Energy Corporation serves more than 1.1 million electric customers in Wisconsin and Michigan's Upper Peninsula and more than 1 million natural gas customers in Wisconsin through its utility subsidiary, We Energies. Other subsidiaries are We Power, which designs, builds and owns electric generating plants; and Wispark, LLC, which develops and invests in real estate, industrial/office buildings and urban redevelopment projects.
Western Iowa Power Cooperative is a Onawa, IA-based company in the Energy and Utilities sector.