National Private School Athletic Association was created in 2007.
National Athletic Trainers' Association was created in 1950.
National Collegiate Athletic Association was created in 1906.
National Junior College Athletic Association was created in 1938.
National Christian College Athletic Association was created in 1968.
The NCAA was created in 1906 as the Intercollegiate Athletic Association of the United States (IAAUS) in response to Theodore Roosevelt's concern of the violence found in college football. The name was changed to National Collegiate Athletic Association in 1910.
Greensburg Athletic Association was created in 1890.
Latrobe Athletic Association was created in 1895.
Allegheny Athletic Association was created in 1890.
Colonial Athletic Association was created in 1983.
Southern Athletic Association was created in 2011.
University Athletic Association was created in 1986.
Pittsburgh Athletic Association was created in 1908.