Ecopetrol S.A. operates as an integrated oil company. It operates through three segments: Exploration and Production; Transport and Logistics; and Refining, Petrochemical and Biofuels. 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, and aviation gasoline, and others; produces and markets polypropylene resin, compounds, and master batches; 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.