Supporting Organizations

The Million Cat Challenge is proud to be supported by a wide array of North American animal welfare organizations.

Maddie's Fund Logo
Maddie's Fund is a family foundation founded in 1994 by Workday co-founder Dave Duffield and his wife, Cheryl, who have endowed the Foundation with more than $300 million. Since then, they have awarded more than $172 million in grants toward increased community lifesaving, shelter medicine education, and pet adoptions across the U.S. The Duffields named Maddie's Fund after their Miniature Schnauzer, Maddie, who always made them laugh and comforted them during stressful business times when Dave was launching a startup software company.

National Animal Care & Control Association
The National Animal Care and Control Association (NACA) is committed to setting the standard of professionalism in animal welfare and public safety through training, networking, and advocacy. Read their statement of support here, and learn more about the organization at

The Canadian Federation of Humane Societies
The Canadian Federation of Humane Societies is the only national organization representing humane societies and SPCAs in Canada. They bring together those who work with and care for animals to promote respect and humane treatment toward all animals. Since they were founded in 1957, they’ve become the ‘go-to’ national voice on animal welfare issues for industry, media, government, non-governmental organizations, and the public. Learn more at 

The National Federation of Humane Societies (NFHS)
The National Federation of Humane Societies (NFHS) is a trade federation dedicated to representing and advocating for the interests of local animal welfare organizations, animal shelters, rescue groups and animal care and control agencies through collaboration and cooperation.

American Society for the Prevention of Cruelty to Animals (ASPCA)
Founded in 1866, the American Society for the Prevention of Cruelty to Animals (ASPCA) is headquartered in New York City, maintaining a strong local presence and running national programs that extend our anti-cruelty mission as we work to rescue animals from abuse, pass humane laws and share resources with animal shelters nationwide. Learn more about the ASPCA’s work with shelters and programs that protect cats at

The Humane Society of the United States
The Humane Society of the United States is the nation’s largest animal protection organization, rated the most effective by its peers. Since 1954, The HSUS has been fighting for the protection of all animals through advocacy, education and hands-on programs. We rescue and care for tens of thousands of animals each year, but our primary mission is to prevent cruelty before it occurs. We’re there for all animals, across America and around the world. Celebrating animals and confronting cruelty — on the web at and

Best Friends Animal Society
Best Friends Animal Society is the only national animal welfare organization focused exclusively on ending the killing of dogs and cats in America’s shelters. By continuing to build effective initiatives that reduce the number of animals entering shelters and increase the number who find homes, Best Friends and its nationwide network of members and partners are working to Save Them All®. Learn more about our work with community cats at

PetSmart Charities, Inc.
PetSmart Charities, Inc. is a nonprofit animal welfare organization that saves the lives of homeless pets. More than 400,000 dogs and cats find homes each year through our adoption program in all PetSmart® stores and our sponsored adoption events. PetSmart Charities grants more money to directly help pets in need than any other animal welfare group in North America. The focus is on funding spay/neuter programs that help communities solve pet overpopulation. PetSmart Charities is a 501(c)(3) organization, separate from PetSmart, Inc. You can learn more at

Since 1999, the Petco Foundation has invested more than $125 million in lifesaving animal welfare work across the country. Today, with their more than 8,000 animal welfare partners, they empower communities to make a difference in the lives of animals by funding adoption programs, spay/neuter services, pet cancer research, service and therapy animals, and numerous other lifesaving initiatives. Through their adoption efforts in more than 1,400 Petco stores nationwide, the Petco Foundation helps find homes for more than 420,000 animals each year. You can learn more at

Alley Cat Allies
Alley Cat Allies is the only national advocacy organization dedicated to the protection and humane treatment of cats. Founded in 1990, today Alley Cat Allies has over half a million supporters and helps tens of thousands of individuals, communities, and organizations save and improve the lives of millions of cats and kittens nationwide. Its website is

The Association of Shelter Veterinarians (ASV)
The Association of Shelter Veterinarians (ASV) was originally founded as a grass roots group of shelter veterinarians looking for a means to network. Its goals are to advance the practice of shelter medicine, to be a resource for dissemination of information, and to support the ongoing study of veterinary medicine in a shelter environment. Visit for more information.

Every Cat Healthy Foundation
Nearly 400 million cats bring joy to their companions across the world. Though cat ownership keeps growing, feline health research remains underfunded compared to many other animals.

Since 1968, EveryCat Health Foundation has awarded grants for groundbreaking research that benefits every cat, every day. From disease prevention and veterinary treatment to healthy home habits, we advance the science of better medicine for millions of cats and their cat-loving owners just like us. Visit for more information.

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