The Humane Society of the United States
Leading animal protection charity working to end suffering for all animals
humanesociety.org · 20,084
Best Friends Animal Society
Promoting animal welfare and pet adoption across America
bestfriends.org · 12,254
AKC Canine Health Foundation
Dedicated to advancing the health of all dogs through research and education.
akcchf.org · 11,968
ASPCA
Dedicated to rescuing animals from abuse, promoting humane laws and supporting shelters nationwide.
aspca.org · 11,628
American Anti-Vivisection Society
Working to end the use of animals in science through education, advocacy, and alternative methods.
aavs.org · 2,511
Actors and Others for Animals
Dedicated to the humane treatment of animals and providing spay and neuter assistance in Los Angeles and surrounding areas.
actorsandothers.com · 1,949
Animal Defense League of Texas
No Kill Animal Shelter in San Antonio, Texas providing care for abandoned, abused, or neglected dogs & cats.
adltexas.org · 1,855
AKC Reunite
Helping reunite lost pets with their owners since 1995 with pet microchips and a nationwide lost pet recovery service.
akcreunite.org · 1,507
Association of Avian Veterinarians
Leading organization dedicated to enhancing avian health and welfare worldwide.
aav.org · 843
ACCT Philly
Helping animals find homes through adoption, fostering, and volunteer programs
acctphilly.org · 669
Animal Cancer Foundation
Dedicated to researching cancer in pets and finding a cure, with a focus on canine cancer
acfoundation.org · 572
Animal Help Now
Emergency resource providing wildlife 911 app and promoting better coexistence with wildlife.
ahnow.org · 461
Pets Alive Indiana
Helping pets in need through spay/neuter, vaccination, and preventive care services.
petsalivespayneuter.org · 120
Pets Alive Indiana
A non-profit organization dedicated to providing spay/neuter services and promoting pet wellness.
www.petsalivespayneuter.org · 119
