These are the species that were kept here during my visit (November 20, 2010):
Yellow-cheeked Gibbons (Nomascus gabriellae gabriellae)
Lar or White-handed Gibbon (Hylobates lar)
Black-and-White Ruffed Lemur (Varecia variegata)
Red-bellied Lemurs (Eulemur rubriventer)