- The American Anti Vivisection Society
- Details of non-profit animal advocacy and educational organization in the United States dedicated to ending experimentation on animals in research, testing and education.
- Animal Defenders International
- Presents information on issues, taking action, campaigns, alerts, media, research, conservations and contacts.
- Animal Welfare Institute Online
- Non-profit charitable organization founded in 1951 to reduce the sum total of pain and fear inflicted on animals by humans.
- Born Free Foundation
- International wildlife charity working throughout the world to prevent wild animal suffering and protect threatened species in the wild.
- Care for the Wild International
- Animal welfare and conservation organization providing news on the charity, news, a list of publications, and an online store.
- Companion Animal Welfare Council
- Organization dedicated to conducting independent research and studies on the welfare, care, and treatment of companion animals.
- Dog Aid International
- Nonprofit organization created to initiate projects, fundraisers, and activities that aim to reduce the suffering of dogs.
- Humane Society International
- Describes the role of the society with news, information and resources including sections on confronting cruelty, disaster services, local empowerment, policy and trade.
- International Primate Protection League
- Describes the role of the league in the conservation and protection of all primates with information on primates under threat, activities, campaigns, news and contacts.
- United Animal Nations
- Dedicated to protecting animals in danger or in need and to focus global attention on their plight.
- Wildlife Direct
- Information on efforts to save endangered animals in Africa, Asia and America. Provides details of campaigns, news and video clips.
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