Association of British Theatre Technicians was created in 1961.
In Theatre was created in 2009.
Intentional Theatre was created in 2003.
The Royal Theatre was created in 2004.
Byrd Theatre was created in 1928.
Armchair Theatre was created in 1956.
Electronics Technicians Association was created in 1978.
Orthodontic Technicians Association was created in 1971.
Association of Taxation Technicians was created in 1989.
National Pest Technicians Association was created in 1993.
Metrolina Theatre Association was created in 1984.
American Association of Community Theatre was created in 1986.
Indian People's Theatre Association was created in 1942.
National Association of Theatre Owners was created in 1965.
British Theatre - band - was created in 2011.
British Astronomical Association was created in 1890.
British Kendo Association was created in 1964.
British Sandwich Association was created in 1990.