members - (35) Antigua and Barbuda, Argentina, The Bahamas, Barbados, Belize, Bolivia, Brazil, Canada, Chile, Colombia, Costa Rica, Cuba (excluded from formal participation since 1962), Dominica, Dominican Republic, Ecuador, El Salvador, Grenada, Guatemala, Guyana, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Paraguay, Peru, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Suriname, Trinidad and Tobago, US, Uruguay, Venezuela
observers - (31) Algeria, Angola, Austria, Belgium, Central American
Parliament, Cyprus, Egypt, Equatorial Guinea, EU, Finland, France, Germany,
Greece, Holy See, Hungary, India, Israel, Italy, Japan, South Korea,
Morocco, Netherlands, Pakistan, Poland, Portugal, Romania, Russia, Saudi
Arabia, Spain, Switzerland, Tunisia
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Organization of Arab Petroleum Exporting Countries (OAPEC)
established - 9 January 1968
aim - to promote cooperation in the petroleum industry
members - (10) Algeria, Bahrain, Egypt, Iraq, Kuwait, Libya, Qatar, Saudi Arabia, Syria, UAE
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Organization of Eastern Caribbean States (OECS)
established - 18 June 1981