It is based in Washington DC. For the address, click on the related links (Answers.com) indicated directly below this answer section.
The address of the Texas Medical Association is: 401 W 15Th St, Austin, TX 78701-1670
The headquarters for the British Medical Association is located at Tavistock Square in London. They also have offices in Scotland, Wales, Northern Ireland, and Brussels.
The American Association of Christian Schools (AACS) is a United States organization, based in East Ridge, Tennessee.
American taekwondo association which organizes taekwondo matches in America
The address of the American Pharmacists Association Foundation is: 2215 Constitution Ave N, Washington, DC 20037-2907
The address of the American Optometric Association is: 243 North Lindbergh Blvd, St Louis, MO 63141-7881
The address of the Mesker Park Zoo American Association Of is: 1545 Mesker Park Drive, Evansville, IN 47720
The address of the American Public Gardens Association is: 351 Longwood Rd., Kennett Squar, PA 19348
The address of the Polish American Historical Association is: 1615 Stanley Street, New Britain, CT 06050
AFIA headquarters are located in Arlington, Virginia
AFIA headquarters are located in Arlington, Virginia
7 out of the 8 were located in the south