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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 | $584.2M |
| 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 | $400.9M |
| 5 | HUMANE WORLD FOR ANIMALS INC EIN 53-0225390 | WASHINGTON, DC | $216.5M |
| 6 | MONTEREY BAY AQUARIUM FOUNDATION EIN 94-2487469 | MONTEREY, CA | $208.1M |
| 7 | BEST FRIENDS ANIMAL SOCIETY EIN 23-7147797 | KANAB, UT | $173.8M |
| 8 | JOHNNY MORRIS OZARKS HERITAGE PRESERVE EIN 83-4392705 | SPRINGFIELD, MO | $168.0M |
| 9 | GEORGIA AQUARIUM INC EIN 58-2574918 | ATLANTA, GA | $165.7M |
| 10 | MASSACHUSETTS SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS EIN 04-2103597 | BOSTON, MA | $144.8M |
| 11 | NATIONAL WILDLIFE FEDERATION EIN 53-0204616 | RESTON, VA | $124.1M |
| 12 | PEOPLE FOR THE ETHICAL TREATMENT OF ANIMALS INC EIN 52-1218336 | NORFOLK, VA | $110.2M |
| 13 | TROUT UNLIMITED INC EIN 38-1612715 | ARLINGTON, VA | $109.5M |
| 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 | PANTHERA CORPORATION EIN 20-4668756 | NEW YORK, NY | $91.8M |
| 20 | COLUMBUS ZOOLOGICAL PARK ASSOCIATION EIN 31-4390844 | POWELL, OH | $88.8M |
| 21 | WILDLIFE CONSERVATION NETWORK INC EIN 30-0108469 | SAN FRANCISCO, CA | $86.1M |
| 22 | OCEAN HABITAT AND WILDLIFE RESCUE INC EIN 46-4120554 | WEST PALM BCH, FL | $86.0M |
| 23 | WOODLAND PARK ZOOLOGICAL SOCIETY EIN 91-6070005 | SEATTLE, WA | $83.7M |
| 24 | HOUSTON ZOO INC EIN 74-1590271 | HOUSTON, TX | $82.7M |
| 25 | OMAHA ZOOLOGICAL SOCIETY INC EIN 47-0469782 | OMAHA, NE | $82.0M |
| 26 | GREAT LAKES FISHERY COMMISSION EIN 38-1539304 | ANN ARBOR, MI | $80.3M |
| 27 | REWILD EIN 26-2887967 | AUSTIN, TX | $75.2M |
| 28 | NATIONAL AQUARIUM INC EIN 52-1121163 | BALTIMORE, MD | $74.4M |
| 29 | PETSMART CHARITIES INC EIN 93-1140967 | PHOENIX, AZ | $71.2M |
| 30 | ZOOLOGICAL SOCIETY OF CINCINNATI EIN 31-0537171 | CINCINNATI, OH | $69.4M |
| 31 | SAN DIEGO HUMANE SOCIETY AND SPCA EIN 95-1661688 | SAN DIEGO, CA | $67.6M |
| 32 | DENVER ZOOLOGICAL FOUNDATION INC EIN 84-0502539 | DENVER, CO | $66.0M |
| 33 | GOVERNORS ISLAND CORPORATION EIN 27-2683349 | NEW YORK, NY | $65.3M |
| 34 | DETROIT ZOOLOGICAL SOCIETY EIN 38-6027356 | ROYAL OAK, MI | $64.1M |
| 35 | ARIZONA CENTER FOR NATURE CONSERVATION EIN 86-0174843 | PHOENIX, AZ | $64.0M |
| 36 | FORT WORTH ZOOLOGICAL ASSOCIATION INC EIN 75-0991727 | FORT WORTH, TX | $62.2M |
| 37 | AUDUBON NATURE INSTITUTE INC EIN 51-0157624 | NEW ORLEANS, LA | $61.3M |
| 38 | SAN ANTONIO ZOOLOGICAL SOCIETY INC EIN 74-1323695 | SAN ANTONIO, TX | $61.1M |
| 39 | AQUARIUM OF THE PACIFIC EIN 33-0532354 | LONG BEACH, CA | $59.3M |
| 40 | THE SAINT LOUIS ZOO FOUNDATION EIN 43-1727309 | SAINT LOUIS, MO | $58.5M |
| 41 | SAN FRANCISCO SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS EIN 94-0836580 | SAN FRANCISCO, CA | $58.3M |
| 42 | INDIANAPOLIS ZOOLOGICAL SOCIETY INC EIN 35-1074747 | INDIANAPOLIS, IN | $57.7M |
| 43 | NEW ENGLAND AQUARIUM CORPORATION EIN 04-2297514 | BOSTON, MA | $54.6M |
| 44 | SEATTLE AQUARIUM SOCIETY-SEAS EIN 91-1189249 | SEATTLE, WA | $54.1M |
| 45 | FRIENDS OF THE ZOO INC OF KANSAS CITY MO EIN 43-6048888 | KANSAS CITY, MO | $53.6M |
| 46 | ARIZONA HUMANE SOCIETY EIN 86-0135567 | PHOENIX, AZ | $52.2M |
| 47 | LINCOLN PARK ZOOLOGICAL SOCIETY EIN 36-2512404 | CHICAGO, IL | $50.5M |
| 48 | TOLEDO ZOOLOGICAL SOCIETY EIN 34-4440256 | TOLEDO, OH | $50.0M |
| 49 | LOWRY PARK ZOOLOGICAL SOCIETY OF TAMPA INC EIN 59-2328289 | TAMPA, FL | $49.0M |
| 50 | DEFENDERS OF WILDLIFE EIN 53-0183181 | WASHINGTON, DC | $48.6M |
By state
41,222 organisations across 51 categories.
- 4,84711.8%
- 3,3938.2%
- 3,2087.8%
- 2,0134.9%
- 1,5903.9%
- 1,4603.5%
- 1,3903.4%
- 1,2142.9%
- 1,1812.9%
- 1,1032.7%
- 1,1022.7%
- 1,0942.7%
Featured organizations
A representative cross-section beyond the revenue ranking — from national institutions to small community groups and private foundations — chosen for complete, recent IRS filings.
- AHIMSA FOUNDATIONNIWOT, CO · $1B+ in assets
- SANDA HILLS EQUINE CENTER INCJASPER, IN · $100M–$1B in assets
- RUNNYMEDE SANCTUARY UA OF DIANA S WISTER 08052013 TRCOATESVILLE, PA · $10M–$100M in assets
- JOANIE C BERNARD FOUNDATIONCINCINNATI, OH · $10M–$100M in assets
- BABINSKI FOUNDATIONSIOUX FALLS, SD · $10M–$100M in assets
- NORCROSS WILDLIFE FOUNDATION INCWALES, MA · $10M–$100M in assets
- WHITE OAK CONSERVATION FOUNDATIONCHICAGO, IL · $10M–$100M in assets
- NEMOURS PLANTATION WILDLIFE FOUNDATIONYEMASSEE, SC · $10M–$100M in assets
- ATLANTA-FULTON COUNTY ZOO INCATLANTA, GA · $10M–$100M revenue
- BIRDLIFE INTERNATIONALUNITED KINGDOM · $10M–$100M revenue
- AYERS WILD CAT CONSERVATION TRWEST HARTFORD, CT · $10M–$100M in assets
- OREGON HUMANE SOCIETYPORTLAND, OR · $10M–$100M revenue
- AFRICAN WILDLIFE FOUNDATIONWASHINGTON, DC · $10M–$100M revenue
- NASHVILLE ZOO INCNASHVILLE, TN · $10M–$100M revenue
- MULE DEER FOUNDATIONCLEARFIELD, UT · $10M–$100M revenue
- DANE COUNTY HUMANE SOCIETYMADISON, WI · $10M–$100M revenue
- FOUNDATION TO SUPPORT ANIMAL PROTECTIONNORFOLK, VA · $10M–$100M revenue
- WVCLAS VEGAS, NV · $10M–$100M revenue
- ANIMAL HUMANE SOCIETYMINNEAPOLIS, MN · $10M–$100M revenue
- DELTA WATERFOWL FOUNDATIONBISMARCK, ND · $10M–$100M revenue
- GULF OF MAINE RESEARCH INSTITUTEPORTLAND, ME · $10M–$100M revenue
- SEDGWICK COUNTY ZOOLOGICAL SOCIETY INCWICHITA, KS · $10M–$100M revenue
- TULSA ZOO MANAGEMENT INCTULSA, OK · $10M–$100M revenue
- THE NORTH CAROLINA AQUARIUM SOCIETYRALEIGH, NC · $10M–$100M revenue
- CRAB ORCHARD ANIMAL SANCTUARY INCCRESTWOOD, KY · $10M–$100M in assets
- HAWAIIAN HUMANE SOCIETYHONOLULU, HI · $10M–$100M revenue
- SANDERSON FOUNDATIONETHELSVILLE, AL · $10M–$100M in assets
- THE FOUNDATION FOR NORTH AMERICA WILD SHEEPCODY, WY · $10M–$100M revenue
- ASSOCIATED HUMANE SOCIETIES INCNEWARK, NJ · $10M–$100M revenue
- RHODE ISLAND ZOOLOGICAL SOCIETYPROVIDENCE, RI · $10M–$100M revenue
- WILDLIFE MISSISSIPPISTONEVILLE, MS · $10M–$100M revenue
- ANIMAL RESCUE LEAGUE OF IOWA INCORPORATEDDES MOINES, IA · $10M–$100M revenue
- SEWARD ASSOCIATION FOR THE ADVANCEMENT OF MARINE SCIENCESEWARD, AK · $10M–$100M revenue
- IDAHO HUMANE SOCIETY INCBOISE, ID · $10M–$100M revenue
- ESPANOLA VALLEY HUMANE SOCIETYESPANOLA, NM · $10M–$100M revenue
- LINCOLN CHILDRENS ZOOLINCOLN, NE · $1M–$10M revenue
- AAALAC INTERNATIONAL INCFREDERICK, MD · $1M–$10M revenue
- AMERICAN KENNEL CLUB COMPANION ANIMAL RECOVERY CORPORATIONNEW YORK, NY · $1M–$10M revenue
- CHARLIES ACRESSONOMA, CA · $1M–$10M in assets
- VALLEY ZOOLOGICAL SOCIETY CHARTERED MAY 1968BROWNSVILLE, TX · $1M–$10M revenue
- FIRST COAST NO MORE HOMELESS PETS INCJACKSONVILLE, FL · $1M–$10M revenue
- CHRISTIAN VETERINARY MISSION FOUNDATIONLYNNWOOD, WA · $1M–$10M revenue
- ROLLING DOG FARMLANCASTER, NH · $1M–$10M in assets
- ARIZONA ANIMAL WELFARE LEAGUE INCPHOENIX, AZ · $1M–$10M revenue
- PINOLA CONSERVANCYSHREVEPORT, LA · $1M–$10M in assets
- STRAY RESCUE OF ST LOUISSAINT LOUIS, MO · $1M–$10M revenue
- ALL ABOUT ANIMALS RESCUEWARREN, MI · $1M–$10M revenue
- ADDISON COUNTY HUMANE SOCIETY INCMIDDLEBURY, VT · $1M–$10M revenue
- CAROL & CHARLES SPAETH MEMORIAL FUND UWWILMINGTON, DE · $1M–$10M in assets
- POLAR BEARS INTERNATIONALBOZEMAN, MT · $1M–$10M revenue
- WESTERN WEST VIRGINIA ANIMAL RESCUE ALLIANCEHUNTINGTON, WV · $100K–$1M revenue
- HUMANE SOCIETY OF PUERTO RICO INCGUAYNABO, PR · $100K–$1M revenue
- ARKANSAS ZOOLOGICAL FOUNDATION INCLITTLE ROCK, AR · $100K–$1M revenue
- THE HUMANE SOCIETY OF BOULDER VALLEY INCBOULDER, CO · $1M–$10M revenue
- POTAWATOMI ZOOLOGICAL SOCIETY INCSOUTH BEND, IN · $1M–$10M revenue
- NATIONAL AVIARY PITTSBURGH INCPITTSBURGH, PA · $1M–$10M revenue
- GEAUGA COUNTY HUMANE SOCIETYNOVELTY, OH · $1M–$10M revenue
- SECOND CHANCE ANIMAL SERVICES INCE BROOKFIELD, MA · $1M–$10M revenue
- HEARTLAND ANIMAL SHELTER NFPWHEELING, IL · $1M–$10M revenue
- SOUTH CAROLINA SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALSGREENVILLE, SC · $1M–$10M revenue
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.