Energy Transfer Partners, L.P. engages in the natural gas midstream, and intrastate transportation and storage businesses in the United States. The company’s Intrastate Transportation and Storage segment transports natural gas from various natural gas producing areas, and through ET fuel system and HPL system. It owns and operates 7,500 miles of natural gas transportation pipelines and three natural gas storage facilities in Texas. Its Interstate Transportation and Storage segment provides natural gas transportation and storage services; owns and operates approximately 12,300 miles of interstate natural gas pipeline; and has interests in various natural gas pipelines. The company’s Midstream segment gathers, compresses, treats, blends, processes, and markets natural gas. It owns and operates 35,000 miles of in service natural gas, 31 natural gas processing plants, 21 natural gas treating facilities, and 4 natural gas conditioning facilities. The company’s Liquids Transportation and Services segment transports mixed NGLs and other hydrocarbons; stores mixed NGLs, NGL products, and petrochemical products; and separates mixed NGL streams into purity products. It owns and operates various NGL pipelines, and NGL storage facilities with aggregate storage capacity of approximately 51 million barrels. Its Investment in Sunoco Logistics segment gathers, purchases, markets, and sells crude oil; and owns and operates 1,800 miles of refined products pipelines. The company’s Retail Marketing segment sells motor fuel and merchandise at company-operated retail locations and branded convenience stores in 14 states, primarily on the east coast and south regions of the United States. Its Other segment provides natural gas compression equipment and compression services; manages coal and natural resources property, sells standing timber, and leases coal-related infrastructure facilities; and generates electrical power. The company was founded in 1995 and is based in Dallas, Texas.