Ecopetrol S.A. operates as an integrated oil and gas company. The company operates through Exploration and Production; Transport and Logistics; and Refining, Petrochemical and Biofuels segments. It engages in the exploration, production, and sale of oil and gas. It also transports and distributes hydrocarbons and derivative products. As of December 31, 2019, the company had approximately 9,106 kilometers of crude oil and multi-purpose pipelines. In addition, the company manufactures and commercializes polypropylene resins, compounds, and masterbatches; and offers refined and petrochemical products, and biofuels, as well as industrial service sales to customers. It has operations in Colombia, the United States, Asia, Central America and the Caribbean, Europe, South America, and internationally. Ecopetrol S.A. has a strategic alliance with Occidental Petroleum Corporation. The company was formerly known as Empresa Colombiana de Petroleos and changed its name to Ecopetrol S.A. in June 2003. Ecopetrol S.A. was founded in 1948 and is based in BogotÃÂ¡, Colombia.