While the Theosophical Order of Service in America is a separate organization from the Theosophical Society in America, the two are closely connected. TOS Groups are centered around the lodges and study groups of the TSA. Lodges are formally organized groups consisting of at least seven members of the Society who meet regularly to study Theosophy and to present Theosophical programs for the public. Study Centers are less formal groups consisting of at least three members of the Society who also meet regularly to study Theosophy and who may offer occasional public programs.

If you don't live near an existing group, there are other ways to get involved with the Theosophical Order of Service. You can get involved in the Healing Network, Animal Healing Network, or even start your own TOS Group that isn't connected to an existing TSA lodge.