Buddhist International Alliance (BIA) http://www.b-i-a.net
The BIA is a network of Buddhist monastic, education and charity organizations headed by His Eminence Khejok Rinpoche of the Gelugpa tradition within Tibetan Buddhism. Its root monastery is Dhe-Tsang Monastery of eastern Tibet.
International Dzogchen Community http://www.tashi.org/
The Dzogchen Community is a broad based association of people brought together by a common interest in the teaching of Dzogchen Ati, who follow it under the guidance of a master possessing practice, each according to his own capacity - the Tantras, the Lungs and the Upadeshas; and further the circumstances necessary for these activities.
KTD--Nairobi KTC-- http://www.kagyu.org/centers/afr/afr-nai.html
Nairobi (Kenya) Karma Thegsum Choling is a Karma Kagyu Buddhist Meditation Center of His Holiness the Seventeenth Gyalwa Karmapa, Ugyen Trinley Dorje, and a direct affiliate of Karma Triyana Dharmachakra, the Seat of His Holiness Karmapa in North America.
Rigpa http://www.rigpa.org
Rigpa is an international network of meditation centers and groups under the guidance of Sogyal Rinpoche, author of the Tibetan Book of Living and Dying, and H.E. Dzogchen Rinpoche.
Australia