Duke Energy 

Duke Energy Corp. engages in the distribution of natural gas and energy related services. It operates through the following segments: Electric Utilities and Infrastructure, Gas Utilities and Infrastructure, and Other. The Electric Utilities and Infrastructure segment conducts operations in regulated electric utilities in the Carolinas, Florida and the Midwest. The Gas Utilities and Infrastructure segment focuses on Piedmont, natural gas local distribution companies in Ohio and Kentucky, and natural gas storage and midstream pipeline investments. The Other segment includes interest expense on holding company debt, unallocated corporate costs, and Bison which is a wholly owned captive insurance company. The company was founded on April 30, 1904 and is headquartered in Charlotte, NC.