Guang Ping Yang Tai Chi Association -
Mission is to promote and preserve the quality of the style. History, news, reading list, convention photos, and links to affiliated schools.
http://www.guangpingyang.org/

International Federation of Wu Style Tai Chi Chuan -
Brief history of the form, course of study, Wu Family album, clubs links, and seminar schedule.
http://www.wustyle.com/

International Sun Tai Chi Association -
Features news, biographies, techniques, training tips, photo gallery, and contact information.
http://www.suntaichi.com/

International Taoist Tai Chi Society -
Locations, contacts, and events.
http://taoist.org/

The Northern Wu Taijiquan Research Institute -
Dedicated to the study of human health, longevity and spiritual development through the practice of traditional Northern Wu Style Taijiquan, Qigong and Chinese medicine. Includes organization details and articles.
http://www.northernwu.com/

The Patience T'ai Chi Association -
Cheng Man-Ch'ing style headquarters in New York, New York. About the style and form, push hands, applications, essays, and instructors referral service.
http://www.patiencetaichi.com/

Practical Tai Chi Chuan International -
Introduction to the art, with extensive text on history and principles. Also includes list of instructors and newsletters.
http://www.taichichuan.co.uk/

The School of T'ai Chi Chuan -
Information on Cheng Man Ch'ing style as taught by Patrick Watson. Articles and links to affiliated groups.
http://www.taichichuan.nl

Tai Chi Association of Australia -
Supports all Tai Chi styles in Australia. Includes articles for practitioners, a discussion forum and a directory of classes by member groups.
http://www.taichiaustralia.com/

Tai Chi Union of Great Britain -
Supporting and promoting all Tai Chi styles in the British Isles. Includes information on finding a teacher, articles from the Union's magazine and a directory of affiliated instructors and links.
http://www.taichiunion.com/