National Headquarters of the Theosophical Society in America (TSA), located outside of Chicago in Wheaton, IL.

The International Headquarters of the Theosophical Society.  Located in Adyar, India.

Directory of TS lodges and study centers in the United States.

A listing of the TS official sections located in over 70 countries worldwide.

TS camps, schools and retreat centers in the United States.

Online social network site for theosophical discussion.  Registration required.

Imprint of the Theosophical Publishing House, administered from the National Headquarters of the TSA.  Discounts available for members of the TS.

Opportunities to become involved in acts of service in a theosophical spirit.

Providing accredited libraries across the United States with theosophical books free-of-charge for over 50 years.  An independent organization administered from the National Headquarters of the TSA.

The U.L.T., founded in 1909, has Lodges throughout the world offering regularly scheduled lectures and study classes that are free and open to the public.  The U.L.T. of Washington, DC is located in Bethesda MD and regularly presents lectures for the National Capital Lodge.