World Nuclear Association was created in 2001.
World Association of Nuclear Operators was created in 1986.
Canadian Nuclear Association was created in 1960.
The Western European Nuclear Regulators' Association (WENRA) was created in 1999.
World Scrabble Association was created in 2005.
World Hockey Association was created in 1972.
World Clown Association was created in 1983.
World Psychiatric Association was created in 1950.
World Association of Newspapers was created in 1948.
World Basketball Association was created in 2004.
World Association of Copepodologists was created in 1984.
World Medical Association was created in 1947.
World Association of Belarusians was created in 1990.