Ecopetrol S.A., an integrated oil company, engages in the exploration, development, and production of crude oil and natural gas primarily in Colombia, Peru, Brazil, Angola, and the United States Gulf Coast. The company operates through three segments: Exploration and Production; Transportation and Logistics; Refining, Petrochemicals, and Biofuels. It also owns and operates refineries that produce various refined products, including unleaded gasoline, diesel fuel, kerosene, jet fuel, aviation fuel, liquefied petroleum gas, sulfur, heavy fuel oils, and others; and petrochemicals and industrial products comprising paraffin waxes, lube base oils, low-density polyethylene, aromatics, asphalts, alkylates, cyclohexane, and aliphatic solvents, as well as refinery grade propylene. In addition, the company markets various refined and feed-stock products, including regular and high octane gasoline, diesel fuel, jet fuel, natural gas, petrochemical products, and other products. Further, it is involved in the transportation of crude oil, motor fuels, and fuel oil, as well as other refined products, such as diesel and bio fuels. As of December 31, 2014, the company had a network of approximately 8,986 kilometers in length for the transportation of refined products to wholesale distribution points. The company was formerly known as Empresa Colombiana de Petróleos and changed its name to Ecopetrol S.A. in June 2003. Ecopetrol S.A. was founded in 1948 and is based in Bogotá, Colombia.