Organization of Petroleum Exporting Countries (OPEC)
14 September 1960
to coordinate petroleum policies
members - (13) Algeria, Angola, Ecuador, Indonesia, Iran, Iraq, Kuwait, Libya, Nigeria, Qatar, Saudi Arabia, UAE, Venezuela; note - Indonesia left OPEC in 2008 but returned on 1 January 2016 © 2000–2025 Unbound Medicine, Inc. All rights reserved