Organization of Arab Petroleum Exporting Countries (OAPEC)

9 January 1968

to promote cooperation in the petroleum industry

members - (14) Algeria, Bahrain, Congo, Egypt, Equatorial  Guinea, Gabon, Iraq, Kuwait, Libya, Qatar, Saudi Arabia, Syria, Tunisia (suspended), UAE; note - Indonesia left OPEC in 2008, returned again on 1 January 2016, and suspended its membership once again on 30 November 2016