4 Paws for Ability, Inc.

Africa Network for Animal Welfare - USA

Alley Cat Allies

Alley Cat Rescue

Alternatives for Research and Development Foundation

America for Animals

American Anti-Vivisection Society

American Eagle Foundation

American Humane Association

American Veterinary Medical Foundation

Angel Canines for Wounded Warriors

Animal Crisis Care

Animal League America

Animal Legal Defense Fund

Animal Protection and Rescue League

Animal Rights Institute

Animal Slaughter & Child Starvation Stop Here!

Animal Spay Neuter International

Animal Welfare Institute

Animals Awakening Compassion in Youth

Animals For Adoption

Apes Alive: The Primate Rescue Center

ASPCA: American Society for the Prevention of Cruelty to Animals

Assistance Dog Institute

Avian Conservation

Big Cat Rescue Corp

Canine Assistants

Canine Companions for Independence

Canine Health Foundation

Cats on Death Row

Compassion Over Killing

Days End Farm Horse Rescue

Dedication and Everlasting Love to Animals

Dogs & Cats Stranded on the Streets

Dogs Deserve Better

Dogs for Deaf and Disabled Americans (NEADS)

Dogs for the Deaf, Inc.

Dogs Last Chance

Dogs Leading the Blind

Dogs On Death Row

Farm Animal Rescue, Adoption, and Sanctuary

Farm Animal Rights Movement (FARM)

Farm Sanctuary Inc.

Fidelco Guide Dog Foundation, Inc.

Friends of Animals

Fund for Animals, The

Greyhound Foundation

Guide Dog Foundation for the Blind, Inc.

Guide Dogs for the Blind, Inc.

Guide Dogs of America

Habitats for Dogs & Cats

Hearing Dog

Hearts United for Animals

Horse Charities of America

Horses On Death Row

House Rabbit Society

Humane Farm Animal Care

Humane Farming Association

Humane League, The

Humane Society of the United States

In Defense of Animals

International Fund for Animal Welfare

Israel Guide Dog Center for the Blind

KSDS Assistance Dogs, Inc.

Labs4Rescue, Inc.

National Anti-Vivisection Society

National Humane Education Society, The

New England Anti-Vivisection Society

Paws for Purple Hearts

Paws With A Cause

paws4vets

Pet Life Line

PETA: People for the Ethical Treatment of Animals

Physicians Committee for Responsible Medicine

Puppies and Kittens Rescue Fund

Puppies Behind Bars

Roses Fund For Animals, Inc.

Save The Animals

Search Dog Foundation, National Disaster

Seeing Eye, Inc.

Service Dogs For America

Siamese Cat Rescue Center

Southeastern Guide Dogs, Inc.

Spay-Neuter Assistance Program, Inc.

Tigers in America

United Poultry Concerns

Vegan Outreach

World Animal Awareness Society

World Animal Protection