The following organizations are part of the history of the Summit Lighthouse. They were sponsored by one or more of the ascended masters at one time. This list is not intended to exclude other important contributions but only to show the most closely associated activities to the Summit Lighthouse.

As an Indian yogi, Paramahansa Yogananda introduced many westerners to the teachings of meditation and Kriya Yoga through his book, Autobiography of a Yogi. He founded Self-Realization Fellowship in 1920 to teach scientific methods of meditation and principles of spiritual living. Elizabeth Clare Prophet recommends his autobiography.

Saint Germain Foundation The Saint Germain Foundation is headquartered in Schaumburg, Illinois, a suburb of Chicago. The doctrines of the organization are based on teachings and wisdom received by Guy Ballard in 1930. Ballard was hiking on the slopes of Mount Shasta in California, and claimed Saint Germain appeared to him and began training him to be a Messenger. Ballard published his experiences in a series of books. The organization's philosophies are known as the "I AM" Activity, and its members popularly known as "I AM" Students. The Summit Lighthouse Founders, Mark and Elizabeth Clare Prophet recommend their first three books as a background: Unveiled Mysteries, The Magic Presence, and The "I AM" Discourses.

Agni Yoga Society Agni Yoga is a spiritual teaching transmitted by the artist Nicholas Roerich and his wife Helena Roerich from 1920. The followers of Agni Yoga believe that the teaching was given to the Roerich family and their associates by Master Morya, the guru of Helena Blavatsky, a founder of the Theosophical Society. In the seventeen volumes of Agni Yoga that have been translated into English from the original Russian, as well as in the letters of Helena Roerich, the Agni Yoga teaching is also referred to as the Teaching of Living Ethics, the Teaching of Life, the Teaching of Light, or simply as "the Teaching."

Elizabeth Clare Prophet has recommend reading the books Leaves of Morya's Garden, New Era Community, and Heart.

Nicholas Roerich Museum The Nicholas Roerich Museum is dedicated to the works of Nicholas Roerich, a Russian-born artist whose work focused on nature scenes from the Himalayas. The museum is located in a brownstone at 319 West 107th Street on Manhattan's Upper West Side. The museum was originally located in the Master Apartments at 103d Street and Riverside Drive, which were built especially for Roerich in 1929. Currently, the museum includes between 100 and 200 of Roerich's works as well as a collection of archival materials and still attracts pilgrims from throughout the world.

The Theosophical Society The Theosophical Society is an organization formed in 1875 to advance the spiritual principles and search for Truth known as Theosophy.

An interesting organization to look at is The Edgar Cayce Foundation.

The Bridge to Freedom, an Ascended Master Teachings religion, was established in 1951 by Geraldine Innocente and other students of the Ascended Masters as a messenger for the Great White Brotherhood by El Morya. Unfortunately, she did not pass her initiations and lost her mantle.