Organizations
Largest first
By revenue on the last return. Organizations that file Form 990-N report no figures and come last.
| Organization | Return | Revenue |
|---|---|---|
| Sea Research Foundation IncMystic | Form 990 | $34,034,517FY2025 |
| Connecticut Humane SocietyNewington | Form 990 | $19,442,988FY2024 |
| Friends of Animals IncDarien | Form 990 | $5,362,326FY2026 |
| Connecticut Zoological Society IncBridgeport | Form 990 | $5,274,501FY2024 |
| White Buffalo IncChester | Form 990 | $5,212,286FY2024 |
| Our Companions Domestic Animal Sanctuary IncManchester | Form 990 | $3,805,756FY2025 |
| Rising Starr Horse RescueWilton | Form 990 | $2,685,175FY2025 |
| Animal Rescue Foundation IncTerryville | Form 990 | $2,080,236FY2024 |
| Feral Care IncStratford | Form 990 | $1,675,036FY2025 |
| Eastgate Equine Sanctuary IncWestport | Form 990 | $1,382,044FY2025 |
| Protectors of Animals IncEast Hartford | Form 990 | $1,321,397FY2024 |
| Waggle Foundation IncHadlyme | Form 990 | $1,175,634FY2024 |
| Adopt a Dog IncGreenwich | Form 990 | $1,141,103FY2025 |
| Animal Haven IncNorth Haven | Form 990 | $1,132,440FY2024 |
| Dog Star Rescue IncCanton | Form 990 | $1,089,975FY2024 |
| Equus Foundation IncWestport | Form 990 | $961,535FY2025 |
| Ridgefield Operation for AnimalRidgefield | Form 990 | $932,369FY2024 |
| Save All Dogs IncGlastonbury | Form 990 | $932,169FY2025 |
| Forgotten Felines IncClinton | Form 990 | $900,880FY2025 |
| Pet Animal Welfare Society of ConnecticutNorwalk | Form 990 | $894,913FY2025 |
| Danbury Animal Welfare Society IncBethel | Form 990 | $893,780FY2024 |
| Kodiakcare CorporationSimsbury | Form 990 | $668,284FY2025 |
| Meriden Humane SocietyMeriden | Form 990 | $664,526FY2024 |
| Save Valley Conservancy Fund IncEnfield | Form 990 | $657,037FY2024 |
| Whiskers Pet Rescue IncSouthbury | Form 990 | $555,534FY2024 |
| Connecticut Cat Connection IncWindsor | Form 990 | $534,140FY2024 |
| New Fairfield Sherman Animal Welfare Society IncorporatedNew Fairfield | Form 990 | $521,109FY2025 |
| A Place Called Hope IncKillingworth | Form 990 | $513,099FY2025 |
| Vivisection Investigation LeagueFalls Village | Form 990 | $509,467FY2024 |
| Pack Leaders Rescue of CT IncManchester | Form 990 | $497,635FY2025 |
| Vernon a Tait All Animal Adoption Prevention & Rescue Fund IncWestbrook | Form 990 | $492,148FY2025 |
| 4 Paws on Deck IncJewett City | Form 990 | $455,189FY2025 |
| Little Guild of St Francis for the Welfare of Animals IncWest Cornwall | Form 990 | $452,636FY2024 |
| N M Animal Welfare Society IncNew Milford | Form 990 | $433,278FY2024 |
| Riley Farm Rescue IncBrooklyn | Form 990 | $421,191FY2024 |
| Greater New Haven Cat Project IncNorthford | Form 990 | $398,705FY2025 |
| Mitchell Farm Equine Retirement IncSalem | Form 990 | $376,607FY2025 |
| Halfway Home RescueWoodbridge | Form 990 | $356,243FY2024 |
| Furpocalypse IncSouth Windsor | Form 990 | $352,447FY2024 |
| Animal Friends of Connecticut IncNew Britain | Form 990 | $351,085FY2025 |
| Wildlife in Crisis IncWeston | Form 990 | $323,558FY2025 |
| Friends of Mansfield Animal ShelterMansfield Center | Form 990 | $315,838FY2025 |
| International Association for Aquatic Animal MedicineStamford | Form 990 | $298,562FY2025 |
| Connecticut Draft Horse Rescue IncEast Hampton | Form 990 | $292,494FY2025 |
| Pieper Foundation IncMiddletown | Form 990 | $267,918FY2025 |
| Catales IncorporatedMiddletown | Form 990 | $262,990FY2024 |
| Horse of Connecticut IncNew Preston | Form 990 | $260,628FY2025 |
| Paws Cat Shelter IncPutnam | Form 990 | $257,572FY2024 |
| Friends of Felines IncStamford | Form 990 | $255,890FY2025 |
| That Newfoundland Place IncCoventry | Form 990 | $244,890FY2025 |
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