Siddha Yoga Meditation Global Site 
SYDA Foundation global site on the Siddha Yoga Path, under the guidance of Gurumayi Chidvilasananda, the successor of Swami Muktananda (d. 1982). Information on Siddha Yoga philosophy and culture, worldwide ashrams, centers, programs and individual participation.
http://www.siddhayoga.org/What's Siddha Yoga About? 
Personal introduction to Siddha Yoga, written by a devotee of Gurumayi Chidvilasananda.
http://www.geocities.com/mihirig/siddhayoga.htm
Shanti Mandir 
Group of Swami Nityananda (Subhash Shetty, born 1962), the brother of Gurumayi Chidvilasananda, and also one of the successors of Swami Muktananda (d. 1982). Information on teaching and ashrams, with a photo gallery.
http://www.shantimandir.com
Nityananda Institute 
Directed by Swami Chetanananda, named after Bhagavan Nityananda of Ganeshpuri (died 1961). Information on programs in Boston, New York and Santa Monica.
http://nityanandainstitute.org
Siddha Loka: The abode of the Siddha Guru 
Siddha Loka is an Ashram (hermitage) near Bangalore in India, headed by Swami Chetanananda Saraswati, a disciple of Bhagwan Nityananda of Ganeshpuri. Site with many photos of the ashram and information on programs.
http://www.siddha-loka.org
Siddha Yoga 
Brief introduction, links and photographs of Gurumayi Chidvilasananda.
http://siddha-yoga.tripod.com/
Acharya Chandrahas Sharma- Siddha Yoga 
India-based type of Siddha Yoga, based on the Shaktipat tradition of Yogeshwar Sri Chandra Mohan Ji (1907-1990) and Mahaprabhu Ramlal Ji (1888 - ca. 1939). Teachings, photos and biographical details.
http://www.siddha-yoga.com/
Self Awareness Institute: Laguna Beach, California 
Offer courses in self realization and teacher training in Shaktipat Meditation.
http://www.selfawareness.com/