Data / Nonprofits / Connecticut / Animal-related
Animal-related nonprofits in Connecticut: 516 registered with the IRS
516 animal-related nonprofits are registered with the IRS in Connecticut, 499 of them 501(c)(3) charities; the 162 that report revenue took in $115.4 million. The most are in Stamford (16), Glastonbury (10), Manchester (10). The largest by revenue: Sea Research Foundation Inc ($34 million), Connecticut Humane Society ($19.4 million), Friends of Animals Inc ($5.4 million).
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The 500 largest by revenue
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Sea Research Foundation Inc | Mystic | 501(c)(3) | 1997 | $34 million | $60.5 million | 2025-12 |
| Connecticut Humane Society | Newington | 501(c)(3) | 1933 | $19.4 million | $124.1 million | 2024-12 |
| Friends of Animals Inc | Darien | 501(c)(3) | 1959 | $5.4 million | $17.1 million | 2026-04 |
| Connecticut Zoological Society Inc | Bridgeport | 501(c)(3) | 1970 | $5.3 million | $23.5 million | 2024-12 |
| White Buffalo Inc | Chester | 501(c)(3) | 1996 | $5.2 million | $3.8 million | 2024-12 |
| Our Companions Domestic Animal Sanctuary Inc | Manchester | 501(c)(3) | 2002 | $3.8 million | $8.6 million | 2025-06 |
| Rising Starr Horse Rescue | Wilton | 501(c)(3) | 2016 | $2.7 million | $3.7 million | 2025-12 |
| Animal Rescue Foundation Inc | Terryville | 501(c)(3) | 1972 | $2.1 million | $2.4 million | 2024-12 |
| Feral Care Inc | Stratford | 501(c)(3) | 2007 | $1.7 million | $1.2 million | 2025-12 |
| Eastgate Equine Sanctuary Inc | Westport | 501(c)(3) | 2014 | $1.4 million | $26,774 | 2025-12 |
| Protectors of Animals Inc | East Hartford | 501(c)(3) | 1977 | $1.3 million | $1.3 million | 2024-12 |
| Waggle Foundation Inc | Hadlyme | 501(c)(3) | 2017 | $1.2 million | $81,329 | 2024-12 |
| Adopt A Dog Inc | Greenwich | 501(c)(3) | 1982 | $1.1 million | $4 million | 2025-12 |
| Animal Haven Inc | North Haven | 501(c)(3) | 1964 | $1.1 million | $4.6 million | 2024-12 |
| Dog Star Rescue Inc | Canton | 501(c)(3) | 2014 | $1.1 million | $1.6 million | 2024-12 |
| Equus Foundation Inc | Westport | 501(c)(3) | 2002 | $961,535 | $1.1 million | 2025-08 |
| Ridgefield Operation for Animal | Ridgefield | 501(c)(3) | 2001 | $932,369 | $2.4 million | 2024-12 |
| Save All Dogs Inc | Glastonbury | 501(c)(3) | 2018 | $932,169 | $54,689 | 2025-12 |
| Forgotten Felines Inc | Clinton | 501(c)(3) | 1994 | $900,880 | $4.6 million | 2025-12 |
| Pet Animal Welfare Society of Connecticut | Norwalk | 501(c)(3) | 1964 | $894,913 | $7.4 million | 2025-08 |
| Danbury Animal Welfare Society Inc | Bethel | 501(c)(3) | 1976 | $893,780 | $3.2 million | 2024-12 |
| Kodiakcare Corporation | Simsbury | 501(c)(3) | 2020 | $668,284 | $205,672 | 2025-12 |
| Meriden Humane Society | Meriden | 501(c)(3) | 1976 | $664,526 | $604,521 | 2024-12 |
| Save Valley Conservancy Fund Inc | Enfield | 501(c)(3) | 2012 | $657,037 | $335,075 | 2024-12 |
| Whiskers Pet Rescue Inc | Southbury | 501(c)(3) | 2016 | $555,534 | $454,834 | 2024-12 |
| Connecticut Cat Connection Inc | Windsor | 501(c)(3) | 2007 | $534,140 | $413,641 | 2024-12 |
| Aquatic Animal Life Support Operations Inc | Waterford | 501(c)(6) | 2014 | $522,773 | $186,490 | 2025-06 |
| New Fairfield Sherman Animal Welfare Society Incorporated | New Fairfield | 501(c)(3) | 1981 | $521,109 | $350,137 | 2025-12 |
| A Place Called Hope Inc | Killingworth | 501(c)(3) | 2009 | $513,099 | $633,846 | 2025-12 |
| Vivisection Investigation League | Falls Village | 501(c)(3) | 1982 | $509,467 | $1.7 million | 2024-12 |
| Pack Leaders Rescue of CT Inc | Manchester | 501(c)(3) | 2014 | $497,635 | $175,186 | 2025-12 |
| Vernon A Tait All Animal Adoption Prevention & Rescue Fund Inc | Westbrook | 501(c)(3) | 1993 | $492,148 | $659,852 | 2025-09 |
| 4 Paws On Deck Inc | Jewett City | 501(c)(3) | 2020 | $455,189 | $339,990 | 2025-12 |
| Little Guild of St Francis for the Welfare of Animals Inc | West Cornwall | 501(c)(3) | 1972 | $452,636 | $7.5 million | 2024-12 |
| N M Animal Welfare Society Inc | New Milford | 501(c)(3) | 1967 | $433,278 | $2.4 million | 2024-12 |
| Riley Farm Rescue Inc | Brooklyn | 501(c)(3) | 2017 | $421,191 | $689,638 | 2024-12 |
| Greater New Haven Cat Project Inc | Northford | 501(c)(3) | 1999 | $398,705 | $917,979 | 2025-12 |
| Mitchell Farm Equine Retirement Inc | Salem | 501(c)(3) | 2005 | $376,607 | $44,411 | 2025-12 |
| Halfway Home Rescue | Woodbridge | 501(c)(3) | 2006 | $356,243 | $144,395 | 2024-12 |
| Furpocalypse Inc | South Windsor | 501(c)(3) | 2004 | $352,447 | $78,947 | 2024-12 |
| Animal Friends of Connecticut Inc | New Britain | 501(c)(3) | 1986 | $351,085 | $1.6 million | 2025-12 |
| Wildlife in Crisis Inc | Weston | 501(c)(3) | 1990 | $323,558 | $3.6 million | 2025-10 |
| Friends of Mansfield Animal Shelter | Mansfield Center | 501(c)(3) | 2001 | $315,838 | $1.1 million | 2025-12 |
| International Association for Aquatic Animal Medicine | Stamford | 501(c)(3) | 1975 | $298,562 | $287,449 | 2025-12 |
| Connecticut Draft Horse Rescue Inc | East Hampton | 501(c)(3) | 2014 | $292,494 | $854,930 | 2025-12 |
| Pieper Foundation Inc | Middletown | 501(c)(3) | 2022 | $267,918 | $183,991 | 2025-12 |
| Catales Incorporated | Middletown | 501(c)(3) | 2000 | $262,990 | $546,026 | 2024-12 |
| Horse of Connecticut Inc | New Preston | 501(c)(3) | 1985 | $260,628 | $346,227 | 2025-12 |
| Paws Cat Shelter Inc | Putnam | 501(c)(3) | 2017 | $257,572 | $372,461 | 2024-12 |
| Friends of Felines Inc | Stamford | 501(c)(3) | 2003 | $255,890 | $63,208 | 2025-03 |
| That Newfoundland Place Inc | Coventry | 501(c)(3) | 2011 | $244,890 | $253,774 | 2025-12 |
| American Lab Rescue Inc | Tolland | 501(c)(3) | 2007 | $234,155 | $12,245 | 2024-12 |
| JP Farm Animal Sanctuary Inc | Litchfield | 501(c)(3) | 2018 | $231,770 | $38,832 | 2025-12 |
| Stratford Animal Rescue Society | Stratford | 501(c)(3) | 2001 | $230,213 | $39,900 | 2025-06 |
| East Coast Canine Rescue Inc | N Franklin | 501(c)(3) | 2016 | $222,675 | $256,881 | 2025-12 |
| East Norwalk Blue Inc | Norwalk | 501(c)(3) | 2017 | $220,785 | $182,323 | 2025-12 |
| Us Horse Welfare and Rescue Inc | Avon | 501(c)(3) | 2017 | $208,697 | $106,710 | 2025-12 |
| Murphys Paw Rescue Inc | Branford | 501(c)(3) | 2017 | $206,442 | $27,282 | 2025-12 |
| Animal Rescue & K9 Charities Inc | Brookfield | 501(c)(3) | 2017 | $204,857 | $353,622 | 2025-12 |
| Saving Harbin Dogs Inc | Barkhamsted | 501(c)(3) | 2024 | $193,441 | $1 | 2025-12 |
| Fundacion Perros Sin Nombre Corporation | Washington | 501(c)(3) | 2018 | $173,885 | $157,622 | 2025-12 |
| Freedom Farm Animal Sanctuary | Middlebury | 501(c)(3) | 2018 | $173,327 | $61,295 | 2025-12 |
| Animals in Distress Inc | Wilton | 501(c)(3) | 1967 | $168,881 | $459,282 | 2025-12 |
| Better Days Rescue Fund Inc | Roxbury | 501(c)(3) | 2014 | $168,252 | $122,032 | 2025-12 |
| Trout Unlimited | Wilton | 501(c)(3) | 1972 | $167,534 | $147,540 | 2026-03 |
| Fetching Hearts Rescue Corp | Enfield | 501(c)(3) | 2019 | $167,070 | $900 | 2025-12 |
| Change A Life Dog Rescue Incorporated | East Haddam | 501(c)(3) | 2020 | $161,203 | $1,046 | 2024-12 |
| Paws 4 Life Animal Rescue Inc | Bolton | 501(c)(3) | 2019 | $161,027 | $4,248 | 2026-01 |
| Poodle Rescue Connecticut Inc | Naugatuck | 501(c)(3) | 2015 | $157,732 | $74,686 | 2025-06 |
| New England Puppy Rescue | Avon | 501(c)(3) | 2023 | $156,198 | $114,987 | 2025-12 |
| Road To Refuge Animal Sanctuary | North Haven | 501(c)(3) | 2020 | $154,617 | $775 | 2025-12 |
| Master National Amateur Retriever Club Inc | Colchester | 501(c)(7) | 2019 | $152,748 | $194,285 | 2026-03 |
| C A T S Northeast Inc | Mansfield Center | 501(c)(3) | 2000 | $152,504 | $464,441 | 2025-12 |
| Tails | Westport | 501(c)(3) | 2001 | $151,908 | $124,652 | 2025-12 |
| Out To Pasture Farm and Rescue Incorporated | Newington | 501(c)(3) | 2002 | $145,368 | $310,740 | 2025-07 |
| Little Paws Dachshund Rescue | Brookfield | 501(c)(3) | 2014 | $145,224 | $43,245 | 2025-12 |
| Beacon of Light Animal Rescue | New Hartford | 501(c)(3) | 2024 | $138,890 | $53,937 | 2025-12 |
| Armys Legacy Animal Rescue and Sanctuary Inc | Bristol | 501(c)(3) | 2021 | $138,386 | $17,039 | 2024-12 |
| Animals for Life Inc | Naugatuck | 501(c)(3) | 1997 | $137,200 | $90,503 | 2024-12 |
| One More Dog Rescue Inc | Wethersfield | 501(c)(3) | 2012 | $132,635 | $40,240 | 2025-12 |
| Westport Animal Shelter Advocates | Weston | 501(c)(3) | 2009 | $130,567 | $112,437 | 2024-12 |
| Meow Inc | Litchfield | 501(c)(3) | 1992 | $129,887 | $16,107 | 2025-04 |
| Christines Critters Inc | Weston | 501(c)(3) | 2016 | $129,047 | $247,720 | 2025-12 |
| National Newfoundland Rescue Inc | Gales Ferry | 501(c)(3) | 2022 | $127,736 | $31,834 | 2024-12 |
| Everybunny Counts Rabbit Rescue | Ellington | 501(c)(3) | 2024 | $125,548 | $4,367 | 2025-12 |
| Kitty Harbor Inc | Jewett City | 501(c)(3) | 2003 | $122,626 | $241,717 | 2024-12 |
| Strays & Others Inc | New Canaan | 501(c)(3) | 1987 | $120,941 | $112,912 | 2025-02 |
| Furry Flights To Freedom | Sharon | 501(c)(3) | 2016 | $120,717 | $1 | 2025-12 |
| Wings of Freedom Animal Rescue Inc | Norwich | 501(c)(3) | 2014 | $113,367 | $14,322 | 2026-03 |
| Opin Inc | Riverside | 501(c)(3) | 2007 | $112,779 | $640,736 | 2024-12 |
| Arabian Horse Promotional Fund Incorporated | Bridgewater | 501(c)(3) | 2019 | $111,630 | $63,762 | 2024-12 |
| Hop A Long Hollow Rabbit Rescue and Adoption Inc | Norwalk | 501(c)(3) | 2005 | $110,694 | $89,012 | 2024-12 |
| Forever in My Heart Foundation | Rocky Hill | 501(c)(3) | 2019 | $109,836 | $116,189 | 2024-12 |
| Blue Iris Farm Rescue & Retreat Inc | Lebanon | 501(c)(3) | 2024 | $109,450 | $23,058 | 2025-12 |
| Ferret Association of Connecticut Inc | Hartford | 501(c)(3) | 1995 | $107,519 | $780,883 | 2025-12 |
| Arc Corp | Weston | 501(c)(3) | 2021 | $105,674 | $122,890 | 2023-12 |
| Oaktree Crew | Norwich | 501(c)(3) | 2020 | $104,461 | $38,171 | 2024-12 |
| Sophia L Orange Kitten Rescue | Warren | 501(c)(3) | 2020 | $103,832 | $37,056 | 2025-12 |
| Furry Friends Foster and Rescue Inc | Milford | 501(c)(3) | 2014 | $103,400 | $1 | 2024-12 |
| Valley Shore Animal Welfare Lea Gue Inc | Westbrook | 501(c)(3) | 1974 | $103,295 | $237,019 | 2023-06 |
| All the Kings Horses Equine Rescue | Northford | 501(c)(3) | 2015 | $103,220 | $20,270 | 2025-12 |
| Whats One More Rescue | Burlington | 501(c)(3) | 2023 | $102,306 | $139,061 | 2024-12 |
| Odies Orchard Hill Rescue Inc | Simsbury | 501(c)(3) | 2015 | $98,965 | $4,100 | 2024-12 |
| Team Animal Rescue Inc | Bethlehem | 501(c)(3) | 2019 | $97,842 | $10,873 | 2025-12 |
| Anam Cara Sanctuary Farm | East Haddam | 501(c)(3) | 2023 | $91,450 | $116,777 | 2024-12 |
| Outrider Dogs Rescue Inc | Simsbury | 501(c)(3) | 2023 | $88,370 | $32,239 | 2024-12 |
| Desmond S Army Animal Law Advocates | Winsted | 501(c)(3) | 2018 | $87,088 | $84,622 | 2026-06 |
| Eskies Online Ameican Eskimo Dog Rescue | Canterbury | 501(c)(3) | 2016 | $84,416 | $1.3 million | 2024-12 |
| A Chance for Love Rescue Inc | Branford | 501(c)(3) | 2016 | $82,799 | $59,053 | 2025-12 |
| Stirrup Fun Stables Rescue Inc | Lebanon | 501(c)(3) | 2016 | $82,245 | $1 | 2025-12 |
| Looking Glass Animal Rescue | Ridgefield | 501(c)(3) | 2015 | $82,158 | $31,624 | 2025-12 |
| Brass City Rescue Alliance Inc | Plainville | 501(c)(3) | 2014 | $81,144 | $1,112 | 2025-12 |
| Connecticut for Animals Education Fund Inc | East Windsor | 501(c)(3) | 2023 | $80,780 | $43,689 | 2025-12 |
| Red Leash Rescue Inc | Stamford | 501(c)(3) | 2015 | $79,296 | $174,687 | 2025-12 |
| Sumner Brook Farm Inc | Middletown | 501(c)(3) | 2018 | $78,190 | $13,359 | 2025-12 |
| Nomadic Guardians Foundation | Old Lyme | 501(c)(3) | 2014 | $76,438 | $113,961 | 2025-12 |
| Project Precious Rescue Inc | Stamford | 501(c)(3) | 2015 | $75,622 | $9,212 | 2024-12 |
| Horizon Wings | Ashford | 501(c)(3) | 2002 | $73,990 | $102,414 | 2025-12 |
| Montville Animal Welfare Initiative Inc | Oakdale | 501(c)(3) | 2025 | $73,347 | $31,835 | 2026-06 |
| Ridgefield Cat Project | Ridgefield | 501(c)(3) | 2025 | $70,864 | $8,584 | 2025-12 |
| We Adopt Greyhounds Inc | Glastonbury | 501(c)(3) | 1995 | $70,778 | $376,549 | 2025-08 |
| Springfield Kennel Club Inc | Simsbury | 501(c)(4) | 2010 | $70,328 | $183,302 | 2024-06 |
| Veterinary Care Everywhere Inc | West Haven | 501(c)(3) | 2018 | $68,298 | $51,993 | 2024-12 |
| Center for Canine Behavior Studies Inc | Canaan | 501(c)(3) | 2018 | $66,675 | $14,232 | 2025-12 |
| Graysland Animal Sanctuary | Windham | 501(c)(3) | 2018 | $64,696 | $73,216 | 2025-12 |
| Danny Boys Legacy Inc | Killingworth | 501(c)(3) | 2019 | $64,682 | $15,130 | 2025-12 |
| CT Dog Gone Recovery Inc | Canton | 501(c)(3) | 2022 | $64,192 | $109,693 | 2024-12 |
| Old Wethersfield Stray & Kitten Rescue Inc | Wethersfield | 501(c)(3) | 2022 | $64,144 | $617 | 2025-12 |
| Bridgeport Cat Rescue Inc | Bridgeport | 501(c)(3) | 2025 | $63,266 | $6,189 | 2025-12 |
| Serenity Farm Horse Rescue Inc | Woodbury | 501(c)(3) | 2019 | $63,202 | $11,118 | 2025-12 |
| Best Friends for Life Animal Rescue Inc | Southington | 501(c)(3) | 2014 | $61,000 | $6,127 | 2023-12 |
| No Animal Left Unfed Inc | West Hartford | 501(c)(3) | 2015 | $59,941 | $1,357 | 2025-12 |
| TLC Sweet Souls Rescue Inc | Newtown | 501(c)(3) | 2016 | $59,589 | $370 | 2024-12 |
| Friends of the New Haven Animal Shelter | New Haven | 501(c)(3) | 2001 | $58,522 | $322,104 | 2025-09 |
| Pet Pals Northeast | Plainfield | 501(c)(3) | 1999 | $55,993 | $89,493 | 2025-12 |
| Connecticut Votes for Animals Inc | Bloomfield | 501(c)(4) | 2009 | $55,571 | $832,399 | 2025-12 |
| Compassion for Cats of New London County Inc | Lisbon | 501(c)(3) | 2010 | $54,110 | $4,591 | 2025-12 |
| Ledyard Chain Inc | Ledyard | 501(c)(3) | 2014 | $49,016 | $14,810 | 2025-12 |
| Spotty Dog Rescue Inc | Bristol | 501(c)(3) | 2013 | $47,930 | $54,149 | 2025-12 |
| Double Dog Rescue | West Simsbury | 501(c)(3) | 2010 | $46,766 | $55,979 | 2025-12 |
| Big Cat Sanctuary Alliance Inc | Glastonbury | 501(c)(3) | 2024 | $45,460 | $14,475 | 2024-12 |
| Bikers Against Animal Cruelty Inc | North Haven | 501(c)(3) | 2023 | $36,959 | $36,945 | 2025-12 |
| Talcott Mountain Agility Club Inc | South Windsor | 501(c)(4) | 2003 | $36,763 | $84,749 | 2025-12 |
| Conservation and Education Reptile Rescue Inc | Enfield | 501(c)(3) | 2023 | $29,487 | $1,431 | 2025-12 |
| Furry Animals Being Saved Rescue Inc | Manchester | 501(c)(3) | 2019 | $29,197 | $16,071 | 2024-12 |
| Pet Assistance Inc | New Preston | 501(c)(3) | 1976 | $28,360 | $67,261 | 2026-06 |
| Scottish Terrier Club of New England Inc | Waterbury | 501(c)(3) | 2012 | $25,515 | $68,035 | 2025-10 |
| New England Airdeale Rescue Inc | Cornwall BRG | 501(c)(3) | 2022 | $24,574 | $28,314 | 2025-12 |
| Blue Moon Raptors Inc | Guilford | 501(c)(3) | 2019 | $19,556 | $15,591 | 2025-12 |
| Operation Hold Your Horses Inc | Bristol | 501(c)(3) | 2023 | $11,448 | $1 | 2025-12 |
| Nutmeg Portuguese Water Dog Club Inc | Higganum | 501(c)(4) | 2001 | $11,026 | $54,966 | 2025-12 |
| Nugatuck Valley Beagle Club | Beacon Falls | 501(c)(3) | 2025 | $9,475 | $9,743 | 2025-12 |
| Furever Cat Angels | Canton | 501(c)(3) | 2025 | $8,000 | $500 | 2025-12 |
| Rescue Dog Village Guardian Inc | Preston | 501(c)(3) | 2015 | $4,730 | $1,527 | 2024-12 |
| Pet Protectors Inc | Fairfield | 501(c)(3) | 2001 | $4,569 | $59,423 | 2025-12 |
| Northbound Rescue Society | Middletown | 501(c)(3) | 2019 | $4,270 | $23,154 | 2025-12 |
| Freedom Train Dog Rescue Inc | Norwalk | 501(c)(3) | 2025 | $4,000 | $6,782 | 2024-12 |
| Pawsitive Care Snoopy Corporation | Southington | 501(c)(3) | 2023 | $1,787 | $2,954 | 2026-02 |
| Turtle Underground | Jewett City | 501(c)(3) | 2025 | $1,000 | $100 | 2025-12 |
| Connecticut Coalition for Animals Inc | Berlin | 501(c)(3) | 2012 | $154 | $1,054 | 2023-12 |
| A Chance of Sunshine Farm and Sanctuary | Tolland | 501(c)(3) | 2024 | $0 | $0 | 2025-11 |
| A Journey S End Dog Rescue Corp | Newtown | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| A Pups Pizzazz Rescue Inc | Woodbury | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| A Shedding Chance Reptile Rescue Inc | Rocky Hill | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| A Tail at A Time Inc | Branford | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Abandoned Animals | Bethany | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Abbotts Hill Farm Inc | Newtown | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Advocacy for the Animals Inc | Cheshire | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Aerial Pet Recovery Inc | Westport | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Aid A Pet Incorporated | Glastonbury | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| All About the Cats Inc | Bridgeport | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| All About the Dogs Rescue | New Milford | 501(c)(3) | 2023 | $0 | $0 | 2026-05 |
| All for Cats Foundation | Stamford | 501(c)(3) | 2021 | $215,818 | 2025-12 | |
| Althea & Friends Co | Trumbull | 501(c)(3) | 2025 | |||
| Amity Animal Rescue Fund Inc | Bethany | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Amydor Equine Rescue Inc | Preston | 501(c)(3) | 2025 | $0 | $0 | 2024-12 |
| Anchors Up Rescue Group | Plainfield | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Angel Horses Inc | West Granby | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Animal Alliance Welfare League Inc | New Britain | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
| Animal Rescue Flights | Greenwich | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Animal Rescue International Society Inc | Norwalk | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Animal Welfare Aerial Response Awar | Burlington | 501(c)(3) | 2026 | |||
| Animalsrfamily Inc | Stamford | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Ark of Promise Inc | Wolcott | 501(c)(3) | 2026 | |||
| Artemis Wildlife Rescue Inc | Woodstock | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Aspetuck Angel Fund Inc | New Preston | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Auctions for Animals Inc | Wilton | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Avian Ambassadors Inc | Manchester | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Ayers Wild Cat Conservation Trust | West Hartford | 501(c)(3) | 2019 | $40.3 million | 2025-12 | |
| Bandits Place Inc | East Hartland | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Barbara Shampain Foundation Inc | West Hartford | 501(c)(3) | 1996 | $9,637 | 2025-12 | |
| Bark To Be Heard | Branford | 501(c)(4) | 2017 | $0 | $0 | 2026-01 |
| Barkies Legacy Inc | Thompson | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Bastets Cat Sanctuary Inc | Wolcott | 501(c)(3) | 2023 | $0 | $0 | 2026-08 |
| Bedlington Terrier Club of America Heart | West Simsbury | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Beech Brook Farm | Groton | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Beezys Humane Society Inc | Redding | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Beezys Rescue Corp | Redding | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Bellas Way Equine Rescue Inc | Stamford | 501(c)(3) | 2013 | $0 | $0 | 2023-12 |
| Birdland Inc | Cheshire | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Black Moon Wildlife Inc | Griswold | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Boomer S Best Buddies Rescue Inc | Andover | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Brewster Farm Inc | Baltic | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Bridgeport Cats Matter | Bridgeport | 501(c)(3) | 2026 | |||
| Bridgeport Humane Society Inc | Fairfield | 501(c)(3) | 2004 | $0 | $0 | 2025-06 |
| Broken Halos Rescue Farm | Moosup | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Bronze Star Service Dogs | Northfield | 501(c)(3) | 2026 | |||
| Bunlandia Rabbit Rescue & Rehab Inc | Seymour | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| CFR Wildlife Rehabilitation | Coventry | 501(c)(3) | 2025 | |||
| CS Boundless Animal Rescue Inc | Danbury | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| CT Animal House | Waterford | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| CT Outback Rescue Inc | Preston | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Camp Cocoa Animal Care | Woodstock | 501(c)(3) | 2022 | $0 | $0 | 2025-06 |
| Candis Critters Co | Danbury | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Carekit Community Inc | West Hartford | 501(c)(3) | 2024 | |||
| Caribbean Canine Connection Co | Woodbridge | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Caroline Dorman Memorial Benefit | Farmington | 501(c)(3) | 2017 | $0 | $0 | 2025-06 |
| Cashews Castle Inc | Stratford | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Castaway Cats Inc | Shelton | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Cat Coalition Inc | Stratford | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Cat Rescue Inc | Westport | 501(c)(3) | 2019 | $0 | $0 | 2025-03 |
| Cavalier and Small Breed Rescue Inc | Suffield | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Celone Wildlife Preservation & Protection | Thomaston | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Centre Stage Service Dogs Inc | Wethersfield | 501(c)(3) | 2026 | |||
| Charlie Chicken Bones Sanctuary for Good Boys Without Good Humans | Lakeville | 501(c)(3) | 2026 | |||
| Chasing Sunshine Dog Rescue | Hopeville | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Chinook Club of America Inc | Burlington | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Claws N Paws Rehabilitation Center | New Britain | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Clovers Pig Preserve | Bristol | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Coastal Wildlife Conservation Union Incorporated | Clinton | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Cobble Hill Animal Sanctuary Inc | New Milford | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Cocos Animal Rescue Efforts of Seymour | Seymour | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Compassion for Cats Inc | Shelton | 501(c)(3) | 2005 | $0 | $0 | 2024-12 |
| Connecticut Association for Aviculture Inc | Hartford | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Connecticut Emergency Animal Response Service | Milford | 501(c)(3) | 2018 | $0 | $0 | 2024-01 |
| Connecticut Nuisance Wildlife Control Operators Association Inc | East Granby | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Connecticut Parrot Rescue | Glastonbury | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Connecticut Parrot Society Inc | Middletown | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Connecticut Prison Greyhounds Inc | Southington | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Connecticut Queen Producers Cooperative Inc | East Lyme | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Connecticut Vegan Center Inc | Fairfield | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Connecticut Veterinary Medical Foundation Inc | Wethersfield | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Connecticut Wildlife Rehabilitators Association Inc | Woodbridge | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Cougar Network Inc | Sandy Hook | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Country Critters Wildlife Rehabilitation | Sterling | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Cubbys Crusade Inc | Colchester | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| DP Rescue | Bristol | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Despurate House Cats Co | Gaylordsville | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Dog Days Adoption Event Inc | N Branford | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Dog Friends of Stamford Inc | Stamford | 501(c)(3) | 2009 | $0 | $0 | 2025-06 |
| Doggoholic Rescue Foundation Inc | Eastford | 501(c)(3) | 2025 | |||
| Doggy Wish Inc | Southington | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Dogs for Veterans Foundation | Scotland | 501(c)(3) | 2025 | |||
| Donkeys Cross Inc | Bethlehem | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Dr Dawn W Sesesta Memorial Foundation | Gaylordsville | 501(c)(3) | 2004 | $0 | $0 | 2023-12 |
| Drobecs Second Chance | Ellington | 501(c)(3) | 2025 | |||
| Dyna Dogs Co | Hebron | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Ellie Mae Farm Sanctuary | Storrs Manfld | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Enfield Community Cat Project Inc | Enfield | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Fair View Farm Inc | Bridgewater | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Family Stables Inc | Amston | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Farm River Wildlife Rescue and Rehabilitation | East Haven | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Farmette Sanctuary | N Grosvenordl | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Fauna Conservation Society Inc | New Canaan | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Fencers Dogood Inc | Stamford | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Feral Cats Count | Waterford | 501(c)(3) | 2024 | $0 | $0 | 2025-09 |
| Feral Cats of East Windsor Inc | East Windsor | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Fetch Rescue Corp | Westport | 501(c)(3) | 2023 | $0 | $0 | 2026-06 |
| Fix and Feed North Haven Inc | North Haven | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Flannery Farms Inc | Portland | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Floras Pet Project | Naugatuck | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Focus On Ferals | Norwich | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Food Banks for Pets Inc | New Hartford | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| For the Love of Jack Inc | Torrington | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Forever Feisty Chinchilla Rescue Inc | Granby | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Foster and Forever Pet Rescue Inc | Naugatuck | 501(c)(3) | 2015 | $13,912 | 2025-12 | |
| Freedom First Wildlife Rehab Inc | Waterford | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| French Bulldog Fanciers of the Northeast | Beacon Falls | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Friends of Berlin Animal Control Incorporated | Berlin | 501(c)(3) | 2004 | $0 | $0 | 2026-02 |
| Friends of Canton Dog Park Inc | Collinsville | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Friends of Feral Cheshire Cats | Southington | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Friends of Feral Felines | Niantic | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Friends of Jareds Dog Park | Stratford | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Friends of Norwalk Dogs | Norwalk | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Friends of Pet Mayor Tito | Manchester | 501(c)(3) | 2026 | |||
| Friends of SF Animals Inc | West Simsbury | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Friends of Sessions Woods Inc | Burlington | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Friends of Southbury Animal Control | Southbury | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Friends of Southington Animal Control Inc | Southington | 501(c)(3) | 2022 | $19,477 | 2024-12 | |
| Friends of the Forest | Essex | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Friends of the Salisbury Community Dog Park | Salisbury | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Friends of the Shelton Animal Shelter Inc | Shelton | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| Friends of the Wallingford Animal Shelter | Wallingford | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Fur-Gotten Tails Animal Rescue Inc | Plainville | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Furry Scaly Friends Inc | Prospect | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Gabby S Petz Inc | Oxford | 501(c)(3) | 2025 | |||
| Garnet State Feline Fanciers | Old Lyme | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Gerties Garden Inc | Middlebury | 501(c)(3) | 2025 | |||
| Get A Bull Inc | Easton | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Giddy Goat Farm Rescue | Wolcott | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Goldilocks Farm Inc | Southport | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Good Day Animal Rescue and Sanctuar Y Inc | Harwinton | 501(c)(3) | 2026 | |||
| Gracies Angels Inc | New Britain | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Grassrootshorse | East Haddam | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Great Hollow Management Inc | New Milford | 501(c)(3) | 2015 | $2.8 million | 2024-12 | |
| Green Fur Kidz Inc | West Haven | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Groton Animal Foundation Inc | Groton | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| H E L P for Pets Inc | Danbury | 501(c)(3) | 1990 | $0 | $0 | 2025-12 |
| Hamilton Rare Breeds Foundation Inc | Southport | 501(c)(3) | 1999 | $4.6 million | 2025-06 | |
| Hands Helping Paws Project Inc | Ashford | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Happily Furever After Rescue Inc | Bethel | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Harleys Animal Haven | North Haven | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Harmony Forest Inc | Riverton | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Havenfort Inc | Newtown | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Hay Burr Inn Corp | Plainfield | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Hazels House Rescue Inc | Greenwich | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Hearts United Cat Rescue Inc | Rocky Hill | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Help Willys Friends Inc | Durham | 501(c)(3) | 2008 | $0 | $0 | 2026-06 |
| Helping Hands for Wildlife Inc | Woodbury | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Here Comes Whit To the Rescues Inc | Stamford | 501(c)(3) | 2025 | |||
| Hermiones Home Inc | Thomaston | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Hh-Stonewall Community Farm Inc | Middletown | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Hidden Gem Animal Rescue | Easton | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Hidden Springs Horse Rescue | Hampton | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Hisses To Kisses | Hamden | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Hive in the Hut | Ashford | 501(c)(3) | 2026 | |||
| Holistic Actions Foundation Inc | Weston | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Homeward Bound Adoptions CT Inc | Chester | 501(c)(3) | 2016 | $0 | $0 | 2025-09 |
| Hope Alliance for Animals | Killingworth | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Hope Farm Animal Sanctuary Inc | Mansfield Center | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Hope and Love Option Inc | Bethlehem | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Howard S Dorris Charitable Trust U-Art Third E Ua 6-14-2023 | Wilton | 501(c)(3) | 2025 | $6.1 million | 2025-12 | |
| Hudson Valley Golden Retriever Club Inc | Newton | 501(c)(4) | 2007 | $0 | $0 | 2023-12 |
| I Am Wild Foundation Inc | Old Greenwich | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| In Care of Creatures Inc | Bridgewater | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Inside Animal Ag | Redding | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| International Camel Rescue Inc | Ridgefield | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Jeffrey G@pepper Foundation Trust Dated June 25 2019 | Avon | 501(c)(3) | 2020 | $877,888 | 2025-12 | |
| Joyful Paws and Happy Tails | Putnam | 501(c)(3) | 2026 | |||
| Jupiter Rising Equine Sanctuary Inc | Burlington | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Just Cats CT Inc | Woodbury | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Kazs Pantry Inc | Woodbury | 501(c)(3) | 2026 | |||
| Kenways Cause | Windsor | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Killingly Wildlife Incorporated | Killingly | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Kindness Matters Farm Sanctuary Inc | Avon | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Kitten Associates Inc | Newtown | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Kitty Gang Rescue Inc | Shelton | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Kitty Kat Rescue | Oakville | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Kitty Quarters Inc | Torrington | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Kobe Henro Inc | Guilford | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Kodis Korner | Colchester | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Leader of the Rescue Pack Inc | Rowayton | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Leonberger Rescue Pals Inc | Enfield | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Lili To the Rescue | Hartford | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Little Treasures Farm Inc | Chaplin | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Living the Dream Dog Rescue Inc | Windsor Locks | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Love for Meow Inc | Harwinton | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Lucky Dog Refuge Inc | Greenwich | 501(c)(3) | 2020 | $210,818 | 2024-12 | |
| Luscus S Lair Inc | Weston | 501(c)(3) | 2017 | $400 | 2025-12 | |
| MMXX Standardbreds Inc | Glastonbury | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| MR Wiggles Wildlife Rescue | Gales Ferry | 501(c)(3) | 2025 | |||
| Martin Kellogg Middle School Parent Advisory Council | Newington | 501(c)(3) | 2012 | $0 | $0 | 2025-06 |
| Maxs Furry Family Rescue | Southbury | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Mazolu Animal Sanctuary | South Windsor | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Menunkatuck Audubon Society Inc | Guilford | 501(c)(3) | 1993 | $0 | $0 | 2026-06 |
| Miao Haven Co | Granby | 501(c)(3) | 2024 | |||
| Milford Orange Animal Rescue-Moar | Milford | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Milos Bravest Friends | West Haven | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Monkeys Pack Inc | Manchester | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Morning Star Farm | Bristol | 501(c)(3) | 2026 | |||
| Muddy Moose Mutts Inc | Winsted | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Mullets for Mutts | N Branford | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Mutts Mending Mankind Inc | Bantam | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| My Bella TNR | Hartford | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Nancy Animal Welfare Fund Inc | Glastonbury | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Netpets Inc | Southbury | 501(c)(3) | 1998 | $0 | $0 | 2026-01 |
| New Beginnings Cat Rescue CT Inc | Kensington | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| New England Human Animal Bond Foundation Inc | Columbia | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| New Leash On Life Inc | Shelton | 501(c)(3) | 1991 | $0 | $0 | 2025-07 |
| New Milford Dog Park Inc | New Milford | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Nile Valley Egyptian Foundation Inc | Wolcott | 501(c)(3) | 2016 | $0 | $0 | 2026-01 |
| Norfolk Terrier Club | South Kent | 501(c)(4) | 2011 | $0 | $0 | 2025-12 |
| Norman Ray Tenants Association | Seymour | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Northern Bound Rescue | Southington | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Northwestern CT Dog Club Inc | Torrington | 501(c)(3) | 1992 | $0 | $0 | 2024-10 |
| Nutmeg Acres Wildlife Rehabilitation | Moosup | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Nutmeg Border Collie Club | East Granby | 501(c)(4) | 2010 | $0 | $0 | 2025-12 |
| October Dream Animal Sanctuary and Rescue Inc | Voluntown | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| On the Lamb Sanctuary Foundation | New Canaan | 501(c)(3) | 2020 | $32,189 | 2025-12 | |
| One Big Dog Arf | Woodbridge | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Open Road Rescues Inc | Newtown | 501(c)(3) | 2025 | |||
| Operation Opioid Inc | Newington | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Operation Rescue Inc | Sterling | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Operation Save the Paws Dog Rescue | Plainfield | 501(c)(3) | 2026 | |||
| P A W S Pound Animals Are Worth Saving Inc | Eastford | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Pachaug Wildlife Rehabilitation | Griswold | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Paw Petection Inc | Bridgeport | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Paws 4 Rescue Inc | North Granby | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Pawsitive Rescue Division | Suffield | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Penny Harris K9 Foundation Inc | Broad Brook | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| People for the Animals League of Southbury Inc Pals | Southbury | 501(c)(3) | 2003 | $0 | $0 | 2026-06 |
| Perfect Imperfections LLC | Watertown | 501(c)(3) | 2017 | $0 | $0 | 2023-12 |
| Persian Wildlife Foundation Inc | Weston | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Petals 4 Paws LLC | Stamford | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Petcora Foundation Inc | West Haven | 501(c)(3) | 2025 | |||
| Philanthro-Pups Inc | Stamford | 501(c)(3) | 2019 | $0 | $1 | 2024-12 |
| Pitbullary | South Windsor | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Pitter Patter Feline Rescue Inc | Stamford | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Portland Fish & Game Foundation Inc | Portland | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Presents for Paws | East Haddam | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Projects for Paws | Milford | 501(c)(3) | 2025 | |||
| Pugpit Rescue Inc | Quaker Hill | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Purr Friends Inc | Torrington | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Purrfect Lounge Foundation Inc | Plainville | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Quiet Brook Wildlife Rehabilitation | Pomfret Center | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| RMK Charitable Trust | Norwalk | 501(c)(3) | 2025 | $6.3 million | 2024-12 | |
| Raccoon Crossing Rehabilitation Center Inc | Guilford | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Ratlum Mountain Animal Rescue Inc | Collinsville | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Ravens Nest Rescue and Rehabilitation | Griswold | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Reborn Animal Rescue Inc | Torrington | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Reggies Pet Project Inc | Norwalk | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Rescue Me Small Animal Placement Inc | Berlin | 501(c)(3) | 2020 | $0 | $0 | 2025-09 |
| Resonance Horsemanship Inc | Greenwich | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Resources in Search and Rescue Inc | Monroe | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Rileys Angels Inc | Glastonbury | 501(c)(3) | 2026 | |||
| Rock Bottom Rescue | Ridgefield | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rose Hope Animal Rescue and Refuge Inc | Meriden | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Running for Rescues | Middletown | 501(c)(3) | 2011 | $0 | $0 | 2026-03 |
| SBF Animal Rescue Inc | Harwinton | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Sadie Mae Foundation Animal Rescue League Inc | Manchester | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Safe Haven Rescue Inc | Putnam | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Safe and Sound Animal Rescue Corporation | Newtown | 501(c)(3) | 2016 | $0 | $0 | 2025-04 |
| Sas Thailand Inc | Branford | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Save the Buns | Stafford SPGS | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Saving Paws Inc | Meriden | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Second Chance Animal Rescue of CT | Bethel | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Second Hope Sanctuary Inc | Torrington | 501(c)(3) | 2025 | |||
| Serenity Ranch | Lisbon | 501(c)(3) | 2024 | $0 | $0 | 2025-10 |
| Sergios Feral Friends | New Haven | 501(c)(3) | 2026 | |||
| Shark Side Inc | Westport | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Shelter Alliance and Resources for Animals With Handicaps Inc Sarah | Stratford | 501(c)(3) | 2001 | $0 | $0 | 2026-06 |
| Shifting Strides Inc | Middlefield | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Shut the Door Farm Rescue Inc | Salem | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Simon Foundation Incorporated | Bloomfield | 501(c)(3) | 2006 | $7 million | 2024-12 | |
| Southern Connecticut Agility Team Inc | Shelton | 501(c)(4) | 2016 | $0 | $0 | 2025-12 |
| Southern New England Branch of the American Association for | Groton | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Southern New England Navhda Chapter Inc | Stafford SPGS | 501(c)(4) | 2007 | $0 | $0 | 2025-12 |
| Spanish Water Dog Club Incorporated | Guilford | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Special Needs Senior Dog Sanctuary Inc | Stamford | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Spicy Paws Wildlife Rehab | Moosup | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Squamata Nature Conservancy Co | New Milford | 501(c)(3) | 2026 | |||
| Stable Grounds Therapeutic Farm Sanctuary | New Haven | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Stamford Animal Shelter Alliance Inc | Stamford | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Starelief and Pet Assistance Inc | West Haven | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Stonewell Farms Inc | Easton | 501(c)(3) | 2025 | $0 | $0 | 2025-09 |
| Straykatz Inc | Wolcott | 501(c)(3) | 2004 | $0 | $0 | 2025-12 |
| Strays Unlimited Inc | Uncasville | 501(c)(3) | 2007 | $0 | $0 | 2024-06 |
| Sugar Maple Horse Farm Inc | Bethany | 501(c)(3) | 2024 | $0 | $0 | 2023-12 |
| Sugar Paws Rescue Assist Inc | Trumbull | 501(c)(3) | 2016 | $0 | $0 | 2023-12 |
| Sulley & Friends Inc | Waterbury | 501(c)(3) | 2026 | |||
| Summit Missing Animal Response Team Inc | Stonington | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Sunny Brook Farm and Sanctuary | Hampton | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Sunstone Equine Sanctuary Incorporated | Columbia | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Super Paws Rescue | Southport | 501(c)(3) | 2020 | $0 | $0 | 2025-10 |
| Sweet Serenity Center for Humane Education | Oakdale | 501(c)(3) | 2024 | $0 | $0 | 2025-04 |
| TLCC Farm and Rescue | Redding | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Tail To Paw Animal Support | East Haven | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Tailors Wildlife Rehabilitation Sanctuary Inc | Stamford | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Tails of Hope Foundation Inc | Litchfield | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| Tails of Joy Inc | Manchester | 501(c)(3) | 2002 | $0 | $0 | 2025-06 |
| Tara Farm Rescue | Coventry | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Team Goldendog | Orange | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Texas Flyers Dog Rescue | East Hampton | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| The Backyard Beekeepers Association Inc | Westport | 501(c)(3) | 1998 | $0 | $0 | 2024-12 |
| The Cetacean Society International Inc | West Hartford | 501(c)(3) | 1977 | $0 | $0 | 2025-12 |
| The Connecticut River Salmon Association Inc | West Hartford | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| The Pie Fund Inc | Redding | 501(c)(3) | 2005 | $0 | $0 | 2025-09 |
| The Purr Project Group | North Haven | 501(c)(3) | 2026 | |||
| The Queenie Foundation Inc | Manchester | 501(c)(3) | 1997 | $0 | $0 | 2025-12 |
| The Road Home Rescue Project Inc | Southington | 501(c)(3) | 2026 | |||
| The Turtles Back Inc | Madison | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| The Underdog Project Inc | Bristol | 501(c)(3) | 2025 | |||
| The Victor Project Inc | Fairfield | 501(c)(3) | 2026 | |||
| The Wildlife Line | Waterbury | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Tracker Empowerment Foundation Corp Oration | Glastonbury | 501(c)(3) | 2026 | |||
| Trails End Equine Retirement Inc | Voluntown | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Trap Falls Kennel Club Inc | Milford | 501(c)(7) | 1984 | $0 | $0 | 2025-12 |
| True Loving Companion Inc | Waterbury | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Trumbull Animal Group Inc | Trumbull | 501(c)(3) | 1999 | $0 | $0 | 2025-06 |
| Twin Maple Turtle Rehab Inc | Shelton | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Underdog Sanctuary | Manchester | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| United States Australian Shepherd Foundation | Putnam | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Valley Paw Partners Inc | Naugatuck | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Vendericks Healing Paw | Dayville | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Veterinary Management Council of Connecticut Inc | Wethersfield | 501(c)(6) | 2014 | $0 | $0 | 2025-12 |
| Wallingford Dog Lovers Association LLC | Durham | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Water N Webs Waterbird Rehabilitation Centre Inc | Northford | 501(c)(3) | 1996 | $0 | $0 | 2026-03 |
| Waterbury Woof Pack Co | Southbury | 501(c)(3) | 2026 | |||
| Wells Valley Cat Rescue Inc | New Milford | 501(c)(3) | 2013 | $0 | $0 | 2026-03 |
| West Hartford Dog Park Support Group Inc | West Hartford | 501(c)(3) | 2015 | $0 | $0 | 2026-04 |
Every nonprofit in Connecticut
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.