Sunoco, Inc., through its subsidiaries, manufactures and markets various petroleum, commodity, and intermediate petrochemicals products in the United States. It operates in five segments: Refining and Supply, Retail Marketing, Chemicals, Logistics, and Coke. The Refining and Supply segment manufactures and sells petroleum products, including gasoline; middle distillates, such as jet fuel, heating oil, and diesel fuel; and residual fuel oil, as well as commodity petrochemicals, including refinery-grade propylene, benzene, cumene, toluene, and xylene to wholesale and industrial customers. The Retail Marketing segment engages in the retail sale of gasoline and middle distillates, as well as the operation of a network of 4,711 retail outlets in 23 states, primarily on the East Coast and in the Midwest region of the United States. The Chemicals segment manufactures, distributes, and markets commodity and intermediate petrochemicals, which include aromatic derivatives comprising phenol, acetone, bisphenol-A, and other phenol derivatives; and polypropylene. The Logistics segment operates refined product and crude oil pipelines and terminals, and conducts crude oil acquisition and marketing activities primarily in the northeast, midwest and south central regions of the United States. It also owns interest in various refined product and crude oil pipeline joint ventures. As of December 31, 2009, the company owned and operated approximately 3,850 miles of crude oil pipelines and approximately 2,200 miles of refined product pipelines. The Coke segment owns and operates metallurgical coke plants and metallurgical coal mines, and manufactures metallurgical coke for use in the steel industry. Sunoco was founded in 1886 and is based in Philadelphia, Pennsylvania.