International Institute for Conservation was created in 1950.
Museum Conservation Institute was created in 1963.
Conservation International was created in 1987.
Institute of International Education was created in 1919.
International Gemological Institute was created in 1975.
International Statistical Institute was created in 1885.
International Maritime Institute was created in 1991.
International Patent Institute was created in 1947.
Institute for International Research was created in 1973.
International Mediation Institute was created in 2007.
International African Institute was created in 1926.
International Republican Institute was created in 1983.
International Press Institute was created in 1950.