African Development Bank, (AfDB)
African Development Fund, (AfDF)
Arab Bank for Economic Development in Africa, (BADEA)
Asian Development Bank, (AsDB)
Caribbean Development Bank, (CarDB)
European Bank for Reconstruction & Development, (EBRD)
Global Alliance for Vaccines and Immunizations, (GAVI)
Global Environment Facility, (GEF)
International Atomic Energy Agency, (IAEA)
International Bank for Reconstruction & Development, (IBRD)
International Development Association, (IDA)
Inter-American Development Bank, (IDB)
International Fund for Agricultural Development, (IFAD)
International Finance Corporation, (IFC)
International Monetary Fund, (IMF)
Islamic Development Bank
Joint United Nations Programme on HIV/AIDS, (UNAIDS)
Montreal Protocol
Nordic Development Fund, (NDF)
OPEC Fund for International Development, (OFID)
Organization for Security & Co-operation in Europe, (OSCE)
UN Development Programme, (UNDP)
UN Economic Commission for Europe, (UNECE)
UN Environment Programme, (UNEP)
UN Children's Emergency Fund, (UNICEF)
UN Peacebuilding Fund, (UNPBF)
UN Relief & Works Agency for Palestine Refugees in the Near East, (UNRWA)
UN Regular Programme for Technical Assistance, (UNTA)
UN World Food Programme, (WFP)
World Health Organization, (WHO)

International Aid Institutions
Non- Governmental Organizations
[ N G O s]


Types of NGOs:
BINGO : business-friendly international NGO
ex. Red Cross
ENGO : environmental NGO
ex. Greenpeace
INGO : international NGO
ex. Oxfam
QUANGO : quasi-autonomous NGO
ex. International Organization for Standardization
(from investopedia)