Ordo Templi Orientis: United States Grand Lodge

Ordo Templi Orientis: United States Grand Lodge- Headquarters of the O.T.O. in the U.S.A. The O.T.O. (Ordo Templi Orientis) is a Thelemic Order which is dedicated to the high purpose of securing the Liberty of the Individual and his or her advancement on the Foundation of Universal Brotherhood.