For addresses and other contact information please refer to the .
Intergovernmental Organizations having received a standing invitation to participate as Observers in the sessions and the work of the General Assembly and maintaining Permanent Offices at Headquarters
Intergovernmental Organizations having received a standing invitation to participate as Observers in the sessions and the work of the General Assembly and not maintaining Permanent Offices at Headquarters
- Community of Sahelo-Saharan States
- (World Customs Organization)
- Group of Seven Plus
- Ibero-American Conference
- International Civil Defence Organization (ICDO)
- Latin American Integration Association
- Union of South American Nations