http://www.ananda.org
Ananda was founded in 1968 by J. Donald Walters (Swami Kriyananda) a direct disciple of Paramahansa Yogananda. Although not affiliated with Yogananda's Self-realization Fellowship, the focus is on Yogananda's Kriya yoga.

http://www.iayt.org
International Association of Yoga Therapists Now a division of the Yoga Research and Education Center, the International Association of Yoga Therapists seeks to promote the field of yoga therapy and publishes an annual journal and tri-annual newsletter.

http://www.yogaalliance.org
The Yoga Alliance is a voluntary alliance of diverse yoga organizations and individual yoga teachers that seeks to uphold the integrity of yoga, establish voluntary national standards for yoga teachers, and provide support for yoga professionals in the United States.

http://www.kripalu.org
Kripalu Center for Yoga and Health is a spiritual retreat and program center serving people of all backgrounds for more than 20 years. Kripalu was founded on the yogic philosophy that physical health is the foundation of mental and spiritual development. The center offers a wide range of yoga, self-discovery, holistic health, and spiritual programs. It is located in the heart of the scenic Berkshires in Massachusettes near Tanglewood.

http://www.bkwsu.com
As a worldwide family of individuals from all walks of life, the Brahma Kumaris World Spiritual Organization offers an education in human, moral and spiritual values. To meet the challenge of change, it initiates dialogue and presents a fresh vision of the future. It recognizes the intrinsic goodness of all human beings and teaches meditation to help each one rediscover their inner resources and strengths. Details on free meditation classes and locations near you can be found on their website.

http://www.himalayaninstitute.org
Founded by Swami Rami, the Himalayan Institute offers yoga, meditation, stress reduction, biofeedback, ayuevedic and other health related programs at its headquarters in Honesdale, Pa., and branches in New York City and Glenview, Ill. The yoga training places great emphasis on the breath.

http://www.yogaville.org
Satchidananda Ashram/Yogaville is a spiritual based on the principles of Integral Yoga ® as taught by Sri Swami Satchidananda . Situated on 1000 acres of woodland along the James River at the foothills of the Blue Ridge Mountains in Buckingham, Virginia, the center offers yoga and related courses, retreats, teacher training and other activities.

http://www.3ho.org
Developed by Shri Mataji Nirmala Devi in 1970, Sahaja Yoga is a meditation-based system focusing on the effortless and spontaneous awakening of Kundalini and self realization. The organization has operations in more than 70 countries, including the U.S. Its programs are free.

http://www.sahajayoga.org
Developed by Shri Mataji Nirmala Devi in 1970, Sahaja Yoga is a meditation-based system focusing on the effortless and spontaneous awakening of Kundalini and self realization. The organization has operations in more than 70 countries, including the U.S. Its programs are free.

http://www.yogananda-srf.org
Self Realization Fellowship was founded in 1920 by Paramahansa Yogananda, Autobiography of a Yogi is considered a classic in the field and was instrumental in opening the West to yoga. The center's teachings focus on Kriya yoga.

http://yrec.org
Yoga Research and Education Center (YREC) was established by noted author and researcher Georg Feuerstein in 1996 to conduct and promote textual, historical, and comparative research on Yoga, and to promote and serve as a clearinghouse for medical, psychological, and other scientific data on Yoga. The site contains over 100 articles, and YREC also publishes the tri-annual Yoga Studies newsletter and the annual International Journal of Yoga Therapy. The International Association of Yoga Therapists (IAYT) is a division of YREC.