Animal Rights Groups
- All For Animals
- Alliance for Animals and the Environment (AFAE)
- American Anti-Vivisection Society (AAVS)
- Americans for Medical Advancement (AFMA)
- Animal Legal Defense Fund
- Animal Liberation Front (ALF)
- Animals and Society Institute
- Animals Deserve Absolute Protection Today and Tomorrow (ADAPTT)
- Animal Welfare Institute
- Born Free USA
- Center for Science in the Public Interest
- Compassion Over Killing
- Doris Day Animal Foundation
- Doris Day Animal League
- Farm Animal Rights Movement (FARM)
- Farm Sanctuary
- GRACE Communications Foundation
- Humane Farming Association (HFA)
- Humane Society of the United States
- In Defense of Animals (IDA)
- Medical Research Modernization Committee (MRMC)
- National Animal Interest Alliance
- New England Anti-Vivisection Society (NEAVS)
- Northwest Animal Rights Network (NARN)
- Organic Consumers Association
- People for the Ethical Treatment of Animals (PETA)
- Physicians Committee for Responsible Medicine (PCRM)
- Responsible Policies for Animals, Inc. (RPA)
- Sanctuary and Safe Haven for Animals (SASHA Farm)
- Union of Concerned Scientists