1. Centre International de Recherches Medicales de Franceville, (C.I.R.M.F.)GabonWest Africa
2. Orangutan Research and Conservation ProjectPangkalan BunKalimantan TengahIndonesia
3. Museum Zoologiaan Bogoriense and National Biological Institute ofIndonesia
4. Bohorok Orangutan Rehabilitation CenterSumatraIndonesia