| Sr. No | Organizations
| Expansion
| Head Quarters
|
| 1 | UN | United Nations | New York, U.S.A.
|
| 2 | UNICEF | United Nations International Children’s Fund | New York, U.S.A.
|
| 3 | WTO | World Trade Organization | Geneva, Switzerland
|
| 4 | WHO | World Health Organization
| Geneva, Switzerland
|
| 5 | WMO
| World Meteorological Organization
| Geneva, Switzerland
|
| 6 | WIPO
| World Intellectual Property Organization
| Geneva, Switzerland
|
| 7 | WFP
|
| Rome, Italy
|
| 8 | UPU
| Universal Postal Union
| Bem, Switzerland
|
| 9 | UNFPA
| United Nations Population Fund
| New York, U.S.A.
|
| 10 | UNODC
| United Nations Office on Drugs and Crime
| Vienna, Austria
|
| 11 | UNIDO
| United Nations Industrial Development Organization
| Vienna, Austria
|
| 12 | UNHCR
| United Nations High Commissioner for Refugees
| Geneva, Switzerland
|
| 13 | UNEP
| United Nations Environment Programme
| Nairobi, Kenya
|
| 14 | UNESCO
| United Nations Educational, Scientific and Cultural Organization
| Paris, France
|
| 15 | UNDP
| | United Nations Development | Programme | New York, U.S.A.
|
| 16 | UNCTAD
| United Nations Conference on Trade and Development
| Geneva, Switzerland
|
| 17 | UNU
| United Nations University
| Tokyo, Japan
|
| 18 | ITU
| International Telecommunication Union
| Geneva, Switzerland
|
| 19 | IMF
| International Monetary Fund
| Washington, U.S. A
|
| 20 | IMO
| International Maritime Organization
| London, U. K
|
| 21 | ILO
| International Labor Organization
| Geneva, Switzerland
|
| 22 | IFAD
| International Fund for Agriculture Development
| Rome, Italy
|
| 23 | ICJ
| International Court of Justice
| The Hague, Netherlands
|
| 24 | ICAO
| International Civil Aviation Organization
| Montreal, Canada
|
| 25 | IAEA
| International Atomic Energy Agency
| Vienna, Austria
|
| 26 | FAO
| Food and Agriculture Organization of the United Nations
| Rome, Italy
|