Largest Charities:
Animal Protection, Welfare, and Services

Following is a list of the largest animal-protection, welfare, and services charities, listed according to the amount of donations received from individuals, foundations, and other sources.

1. World Wildlife Fund Inc.
2. Ducks Unlimited Inc.
3. Humane Society of the United States
4. National Wildlife Federation
5. American Society for the Prevention of Cruelty to Animals
6. Rocky Mountain Elk Foundation Inc.
7. North Shore Animal League America Inc.
8. National Wild Turkey Federation Inc.
9. Best Friends Animal Society
10. People for the Ethical Treatment of Animals Inc.
11. Massachusetts Society for the Prevention of Cruelty to Animals
12. International Fund for Animal Welfare Inc.
13. American Humane Association
14. Thoroughbred Retirement Foundation
15. Trout Unlimited
16. Arizona Humane Society
17. Weekapaug Foundation for Conservation
18. Bulldog Club
19. National Fish and Wildlife Foundation
20. Denver Dumb Friends League