American Electric Power Company, Inc., a public utility holding company, engages in the generation, transmission, and distribution of electric power in the United States. It distributes electric power at wholesale to other electric utility companies, rural electric co-operatives, municipalities, and other market participants, as well as to retail customers in its service areas. The company operates in the states of Arkansas, Indiana, Kentucky, Louisiana, Michigan, Ohio, Oklahoma, Tennessee, Texas, Virginia, and West Virginia. As of December 31, 2007, it owned or leased approximately 37,000 megawatts of power generation capacity. American Electric Power was founded in 1906 and is based in Columbus, Ohio. Shares Outstanding5: 401.59M Float: 399.84M % Held by Insiders1: 0.10% % Held by Institutions1: 71.10% Market Cap (intraday)5: 17.60B Enterprise Value (9-May-08)3: 33.21B Trailing P/E (ttm, intraday): 12.64 Forward P/E (fye 31-Dec-09) 1: 12.81