Organization of Petroleum Exporting Countries (OPEC)

 Socialist International

Trilateral Commission of Japan, North America and Europe (TC)

 Regional Cooperation Organization for Development (RCOD)

 Group of 77

 Group of Seven (G7)

 European Free Trade Association (EFTA)

 European Atomic Energy Society (EAES)

 European Atomic Commission (EAC)

 European Commission of Human Rights

 European Court of Human Rights

European Union (EU)

 Organization for European Economic Cooperation (OEEC)

 European Bank of Reconstruction and Development

 Conference on Disarmament in Europe (CDE)

Organization for Security and Cooperation in Europe (OSCE, formerly known as Conference on Security and Cooper ation in Europe)

 South Asian Association for Regional Cooperation (SAARC)

 South Pacific Forum (SPF)

 South-South Conference

 South Common Market