Advocacy Groups for Human Rights and Civil Liberties
- American Civil Liberties Union
- Americans United for Separation of Church and State
- Amnesty International
- Anti-Defamation League
- Association on American Indian Affairs
- B'nai B'rith International
- Children's Defense Fund
- Coalition to Stop Gun Violence
- The Carter Center
- Center for Constitutional Rights
- Committee for Missing Children
- Doctors of the World
- Human Rights Watch
- NAACP
- African Wildlife Foundation
- American Humane Association
- American Association for the Prevention of Cruelty to Animals
- Animal Legal Defense Fund
- Animal Welfare Institute
- Associated Humane Societies
- Best Friends Animal Society
- Born Free United with Animal Protection Institute
- Defenders of Wildlife
- Doris Day Animal League
- D.E.L.T.A. Rescue
- Delta Society
- The Elephant Sanctuary in Tennessee
- Farm Sanctuary
- Humane Farming Association
- Marine Mammal Center
- National Audobon Society