Theosophical Society in America
The Theosophical Society in America (TSA) is a member-based nonprofit organization dedicated to the teaching of Theosophy and affiliated with the international Theosophical Society based in Adyar, Chennai, India. The name "Theosophical Society in America" was legally adopted by the American Theosophical Society in 1934.
Source: Wikipedia — Theosophical Society in America (CC BY-SA 4.0)