- Benelux, economic union in Western Europe
- League of Arab States
- OPEC, Organization of the Petroleum Exporting Countries
- OECS, Organization of Eastern Caribbean States
- League of Nations
- BSEC, Organization of the Black Sea Economic Cooperation
- WEF, World Economic Forum
- OECD, Organisation for Economic Co-operation and Development
- CAEU, Council of Arab Economic Unity
- ECOWAS, Economic Community of West African States
- OACPS, Organisation of African, Caribbean and Pacific States
- ECO, Economic Cooperation Organization
- IGAD, Intergovernmental Authority on Development
- UEMOA, West African Economic and Monetary Union