American Hospital Association was created in 1898.
Georgia Hospital Association was created in 1929.
Ontario Hospital Association was created in 1924.
Oklahoma Hospital Association was created in 1919.
Hospital Broadcasting Association was created in 1992.
Hospital Almoners' Association was created in 1903.
American Animal Hospital Association was created in 1933.
Texas Psychological Association was created in 1947.
Texas Forensic Association was created in 1972.
Texas Children's Hospital was created in 1954.
East Texas Historical Association was created in 1927.
Texas State Florists Association was created in 1914.