People for the Ethical Treatment of Animals
Mercy for Animals
International Fund for Animal Welfare
Labcorp Drug Development
In Defense of Animals
Farm Sanctuary
PetSmart
Sea Shepherd Conservation Society
Huntingdon Life Sciences
Envigo
Smithfield Foods
United Way
Charity Navigator
Tyson Foods
Whole Foods Market
Non-profit organization in the USA
humanesociety.org
The Humane Society of the United States is an American nonprofit organization that focuses on animal welfare and opposes animal-related cruelties of national scope. Wikipedia