Texas Intercollegiate Athletic Association ended in 1996.
Texas Amateur Athletic Federation was created in 1925.
Texas Hospital Association was created in 1930.
Texas Psychological Association was created in 1947.
Texas Forensic Association was created in 1972.
North Texas Baptist Association was created in 2000.
Texas State Florists Association was created in 1914.
Texas State Historical Association was created in 1897.
East Texas Historical Association was created in 1927.
West Texas Historical Association was created in 1925.
Texas Highway Patrol Association was created in 1993.
North Texas Premier Soccer Association was created in 1974.