Ecopetrol S.A. operates as an integrated oil and gas company. It operates through three segments: Exploration and Production; Refining, Petrochemical, and Biofuels; and Transport and Logistics. The company produces crude oil and gas; and engages in the extraction, collection, treatment, storage and pumping or compression of hydrocarbons. It also transports and distributes hydrocarbons, derivatives, and products. The company has 8,500 kilometers of transportation pipeline systems. In addition, it commercializes crude oils and by-products, including fuel oil, virgin naphtha, cracked naphtha, aviation gasoline, and others; produces and markets polypropylene resin, compounds, and masterbatches; provides financing services; and offers refined and petrochemical products, as well as industrial service sales to customers. 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.