The Humane Society of the United States –

Precious Life Animal Sanctuary –

People For The Ethical Treatment of Animals –

In Defense of Animals –

Feral Cat Spay/Neuter Project –

Action For Animals –

Animal Welfare Institute –

Mercy For Animals –

Animal Legal Defense Fund –

The American Society For The Prevention Of Cruelty To Animals –

Farm Animals Rights Movement (FARM) –

National Anti-Vivisection Society –

Northwest Animal Rights Network –

Petsmart Charities –

Rescue Operation for Animals on the Reservation –

The National Humane Education Society –

Vegetarians International Voice For Animals –

Vegan Outreach –

Zoo Check Canada Inc. –

Wild Horse Sanctuary –

International Society for the Protection of Mustangs and Burros –

Alley Cat Allies –