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Largest animal nonprofits in the United States

The 50 largest animal nonprofits in the United States

The 50 largest animal nonprofits in the United States by revenue range from $513 million down to $49 million.

The largest are National Fish And Wildlife Foundation, American Society For The Prevention Of Cruelty To Animals, and Zoological Society Of San Diego.

Organizations
42,717
Total revenue
$16.9B
Total assets
$42.2B

Largest animal nonprofits in the United States

Ranked by revenue.

National Fish And Wildlife Foundation
American Society For The Prevention Of Cruelty To Animals
Zoological Society Of San Diego
Wildlife Conservation Society
Monterey Bay Aquarium Foundation
The Humane Society Of The United States
JJohnny Morris' Ozarks Heritage Preserve
Georgia Aquarium Inc & Subsidiary
AAhimsa Foundation
National Wildlife Federation
Best Friends Animal Society
Massachusetts Society For The Prevention Of Cruelty To Animals
Trout Unlimited Inc
Chicago Zoological Society
Shedd Aquarium Society
Rocky Mountain Elk Foundation Inc
American Kennel Club Inc
The Animal Medical Center
Denver Dumb Friends League
Columbus Zoological Park Association
Ocean Habitat And Wildlife Rescue Inc
Woodland Park Zoological Society
Houston Zoo Inc
Omaha Zoological Society Inc
People For The Ethical Treatment Of Animals Inc
Great Lakes Fishery Commission
Rewild
National Aquarium Inc
San Diego Humane Society And Spca
Zoological Society Of Cincinnati
Petsmart Charities Inc
Governors Island Corporation
Detroit Zoological Society
Audubon Nature Institute Inc
San Antonio Zoological Society Inc
Denver Zoological Foundation Inc
Aquarium Of The Pacific Corporation
The Saint Louis Zoo Association
San Francisco Society For The Prevention Of Cruelty To Animals
Indianapolis Zoological Society Inc
Wildlife Conservation Network Inc
New England Aquarium Corporation
Seattle Aquarium Society-Seas
Friends Of The Zoo Inc Of Kansas City Mo
Fort Worth Zoological Association Inc
Arizona Humane Society
Lincoln Park Zoological Society
The Toledo Zoological Society
Arizona Center For Nature Conservation
Lowry Park Zoological Society Of Tampa Inc

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Public data from IRS Form 990 e-file & Business Master File. A 990 shows how an organization is run and funded — not its real-world outcomes. Figures are presented without evaluation; we do not rate, score, or rank organizations. · philanthropy.org