Association of Tennis Professionals was created in 1972.
It is the Association of Tennis Professionals, responsible for the mens tour and world rankings of male tennis players.
Science Major: Association of Tennis Professionals
Usability Professionals' Association was created in 1991.
Association of Surfing Professionals was created in 1982.
Association of Chess Professionals was created in 2003.
Association of Volleyball Professionals was created in 1983.
Dental Professionals Association was created in 1954.
Israel Tennis Association was created in 1950.
Women's Tennis Association was created in 1973.
Chinese Tennis Association was created in 1953.
American Tennis Association was created in 1916.
Croatian Tennis Association was created in 1912.