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NTEE major group D
Animal-Related Nonprofits
Givalgo Discover indexes 50 active US animal-related organisations recognised by the IRS as tax-exempt under section 501(c). The list below shows the largest by reported revenue on each org's most recent Form 990 filing. Click any row for the full Due Diligence profile — IRS status, Form 990 financials, governance flags, peer benchmarks, and auto-revocation history.
Top 50 by reported revenue
From the most recent Form 990 indexed for each organisation. Click an org for full diligence detail.
| # | Organisation | Location | Revenue |
|---|---|---|---|
| 1 | NATIONAL FISH AND WILDLIFE FOUNDATION EIN 52-1384139 | WASHINGTON, DC | $513.2M |
| 2 | AMERICAN SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS EIN 13-1623829 | NEW YORK, NY | $446.1M |
| 3 | SAN DIEGO ZOO WILDLIFE ALLIANCE EIN 95-1648219 | SAN DIEGO, CA | $437.6M |
| 4 | WILDLIFE CONSERVATION SOCIETY EIN 13-1740011 | BRONX, NY | $389.2M |
| 5 | MONTEREY BAY AQUARIUM FOUNDATION EIN 94-2487469 | MONTEREY, CA | $208.1M |
| 6 | HUMANE WORLD FOR ANIMALS INC EIN 53-0225390 | GAITHERSBURG, MD | $207.9M |
| 7 | JOHNNY MORRIS OZARKS HERITAGE PRESERVE EIN 83-4392705 | SPRINGFIELD, MO | $168.0M |
| 8 | GEORGIA AQUARIUM INC EIN 58-2574918 | ATLANTA, GA | $165.7M |
| 9 | NATIONAL WILDLIFE FEDERATION EIN 53-0204616 | RESTON, VA | $156.4M |
| 10 | BEST FRIENDS ANIMAL SOCIETY EIN 23-7147797 | KANAB, UT | $148.3M |
| 11 | MASSACHUSETTS SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS EIN 04-2103597 | BOSTON, MA | $144.8M |
| 12 | TROUT UNLIMITED INC EIN 38-1612715 | ARLINGTON, VA | $109.5M |
| 13 | CHICAGO ZOOLOGICAL SOCIETY EIN 36-2167016 | BROOKFIELD, IL | $108.0M |
| 14 | SHEDD AQUARIUM SOCIETY EIN 36-2167918 | CHICAGO, IL | $102.0M |
| 15 | ROCKY MOUNTAIN ELK FOUNDATION INC EIN 81-0421425 | MISSOULA, MT | $100.1M |
| 16 | AMERICAN KENNEL CLUB INC EIN 13-4923060 | NEW YORK, NY | $99.6M |
| 17 | THE ANIMAL MEDICAL CENTER EIN 13-5505367 | NEW YORK, NY | $96.7M |
| 18 | DENVER DUMB FRIENDS LEAGUE EIN 84-0405254 | DENVER, CO | $92.9M |
| 19 | COLUMBUS ZOOLOGICAL PARK ASSOCIATION EIN 31-4390844 | POWELL, OH | $88.8M |
| 20 | WOODLAND PARK ZOOLOGICAL SOCIETY EIN 91-6070005 | SEATTLE, WA | $83.7M |
| 21 | HOUSTON ZOO INC EIN 74-1590271 | HOUSTON, TX | $82.7M |
| 22 | OMAHA ZOOLOGICAL SOCIETY INC EIN 47-0469782 | OMAHA, NE | $82.0M |
| 23 | PEOPLE FOR THE ETHICAL TREATMENT OF ANIMALS INC EIN 52-1218336 | NORFOLK, VA | $77.2M |
| 24 | GREAT LAKES FISHERY COMMISSION EIN 38-1539304 | ANN ARBOR, MI | $75.6M |
| 25 | NATIONAL AQUARIUM INC EIN 52-1121163 | BALTIMORE, MD | $74.4M |
| 26 | REWILD EIN 26-2887967 | AUSTIN, TX | $74.2M |
| 27 | SAN DIEGO HUMANE SOCIETY AND S P C A EIN 95-1661688 | SAN DIEGO, CA | $72.9M |
| 28 | ZOOLOGICAL SOCIETY OF CINCINNATI EIN 31-0537171 | CINCINNATI, OH | $69.4M |
| 29 | PETSMART CHARITIES INC EIN 93-1140967 | PHOENIX, AZ | $68.7M |
| 30 | GOVERNORS ISLAND CORPORATION EIN 27-2683349 | NEW YORK, NY | $66.1M |
| 31 | DETROIT ZOOLOGICAL SOCIETY EIN 38-6027356 | ROYAL OAK, MI | $64.1M |
| 32 | AUDUBON NATURE INSTITUTE INC EIN 51-0157624 | NEW ORLEANS, LA | $61.3M |
| 33 | SAN ANTONIO ZOOLOGICAL SOCIETY INC EIN 74-1323695 | SAN ANTONIO, TX | $61.1M |
| 34 | DENVER ZOOLOGICAL FOUNDATION INC EIN 84-0502539 | DENVER, CO | $60.1M |
| 35 | AQUARIUM OF THE PACIFIC EIN 33-0532354 | LONG BEACH, CA | $59.3M |
| 36 | THE SAINT LOUIS ZOO FOUNDATION EIN 43-1727309 | SAINT LOUIS, MO | $58.5M |
| 37 | SAN FRANCISCO SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS EIN 94-0836580 | SAN FRANCISCO, CA | $58.3M |
| 38 | INDIANAPOLIS ZOOLOGICAL SOCIETY INC EIN 35-1074747 | INDIANAPOLIS, IN | $57.7M |
| 39 | WILDLIFE CONSERVATION NETWORK INC EIN 30-0108469 | SAN FRANCISCO, CA | $56.7M |
| 40 | NEW ENGLAND AQUARIUM CORPORATION EIN 04-2297514 | BOSTON, MA | $54.6M |
| 41 | SEATTLE AQUARIUM SOCIETY-SEAS EIN 91-1189249 | SEATTLE, WA | $54.1M |
| 42 | FRIENDS OF THE ZOO INC OF KANSAS CITY MO EIN 43-6048888 | KANSAS CITY, MO | $53.6M |
| 43 | FORT WORTH ZOOLOGICAL ASSOCIATION INC EIN 75-0991727 | FORT WORTH, TX | $52.8M |
| 44 | ARIZONA HUMANE SOCIETY EIN 86-0135567 | PHOENIX, AZ | $52.2M |
| 45 | LINCOLN PARK ZOOLOGICAL SOCIETY EIN 36-2512404 | CHICAGO, IL | $50.5M |
| 46 | TOLEDO ZOOLOGICAL SOCIETY EIN 34-4440256 | TOLEDO, OH | $50.0M |
| 47 | ARIZONA CENTER FOR NATURE CONSERVATION EIN 86-0174843 | PHOENIX, AZ | $49.3M |
| 48 | LOWRY PARK ZOOLOGICAL SOCIETY OF TAMPA INC EIN 59-2328289 | TAMPA, FL | $48.6M |
| 49 | DEFENDERS OF WILDLIFE EIN 53-0183181 | WASHINGTON, DC | $48.6M |
| 50 | PAWS CHICAGO EIN 36-4219778 | CHICAGO, IL | $47.0M |
By state
40,532 organisations across 51 categories.
- 4,72811.7%
- 3,3328.2%
- 3,1537.8%
- 1,9894.9%
- 1,5563.8%
- 1,4473.6%
- 1,3593.4%
- 1,2083.0%
- 1,1642.9%
- 1,0982.7%
- 1,0942.7%
- 1,0932.7%
Frequently asked questions about Animal-Related nonprofits
Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.
Frequently asked questions about Animal-Related nonprofits
Answers compiled from the IRS Form 990, BMF, Pub 78, and Auto-Revocation List.
- What counts as a Animal-Related nonprofit?
- Animal-Related nonprofits are US tax-exempt organisations classified under the IRS National Taxonomy of Exempt Entities (NTEE) major group "D" (Animal-Related). The IRS assigns the NTEE code based on the organisation's primary purpose as reported on Form 990.
- How are animal-related nonprofits regulated?
- Animal-Related nonprofits with annual gross receipts of $50,000 or more must file Form 990 (or 990-EZ) annually with the IRS. Smaller orgs file the 990-N e-Postcard. Failure to file for three consecutive years triggers automatic revocation of tax-exempt status.
- How can I verify a animal-related nonprofit's tax-exempt status before granting?
- Cross-reference the organisation against the IRS Auto-Revocation List AND IRS Publication 78. Pub 78 confirms whether donations are tax-deductible; the Auto-Revocation List confirms whether the org has lost its status for non-filing. Givalgo Discover surfaces both signals on every org profile.
- Where can I find Form 990 data for animal-related nonprofits?
- Each organisation's Form 990 — including financials, governance, programs, and grants — is publicly available from the IRS. Givalgo Discover aggregates the full corpus (Form 990, 990-EZ, 990-PF, 990-N) and provides a free profile for every IRS-registered animal-related nonprofit.
- What's the difference between a 501(c)(3), 501(c)(4), and 501(c)(6)?
- 501(c)(3) is the standard tax-exempt classification for public charities and private foundations; contributions are tax-deductible. 501(c)(4) covers civic-league / social-welfare orgs; contributions are not deductible. 501(c)(6) covers business leagues and chambers of commerce. The IRS subsection code on each Givalgo Discover profile identifies the exact classification.