Allegheny Athletic Association was created in 1890.
Allegheny Athletic Association ended in 1896.
Allegheny County Library Association was created in 1991.
Greensburg Athletic Association was created in 1890.
Latrobe Athletic Association was created in 1895.
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.
Massachusetts Interscholastic Athletic Association was created in 1977.
Indiana Intercollegiate Athletic Association was created in 1889.
Intercollegiate Athletic Association of the Northwest was created in 1892.
Wisconsin Interscholastic Athletic Association was created in 1895.