Chimpanzee Collaboratory

GRASP - Great Ape Standing & Personhood

Great Ape Project

IPPL - International Primate Protection League

Justice for Animals (South Africa)

Laboratory Primate Advocacy Group

NEW National Primate Research Exhibition Hall

Primate Freedom Project

ProFauna Indonesia (formerly KSBK - Animal Conservation for Life)

PsyEta - Psychologists for the Ethical Treatment of Animals

SEEC - Stop Experimentation & Exploitation on Chimpanzees

Vervet Monkey Foundation

Also, be sure to visit the Primate Sanctuaries page