Ecopetrol
 Ecopetrol formerly known as Empresa Colombiana de Petróleos S.A. (English: Colombian Petroleum Co. *) (* Not to be confused with the US owned and operated Colombian Petroleum Co. (COLPET) and sister company South American Gulf Oil Co. (SAGOC) dating to the 1930s which were taken over by the state owned Ecopetrol in the 1970s) is the largest and primary petroleum company in Colombia.