Exelon (EXC) is an American utility holding and energy provider. Incorporated on 4 February 1999, the company delivers electric and natural gas services via six subsidiaries: Atlantic City Electric, BGE, ComEd, Delmarva Power, PECO and Pepco. Generally, Exelon serves around 2 million residential, business and public sector customers. The company operates across the USA and Canada and employs more than 34,000 people. Based in Chicago, Exelon is listed and traded on the New York Stock Exchange (NYSE).