Data / Nonprofits / Maine / Animal-related
Animal-related nonprofits in Maine: 265 registered with the IRS
265 animal-related nonprofits are registered with the IRS in Maine, 251 of them 501(c)(3) charities; the 101 that report revenue took in $101 million. The most are in Portland (13), Brunswick (8), Augusta (6). The largest by revenue: Gulf of Maine Research Institute ($23.3 million), Atlantic Salmon Federation Inc ($18.2 million), Animal Welfare Society Inc ($5.4 million).
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Every organization, largest by revenue first
| Organization | City | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Gulf of Maine Research Institute | Portland | 501(c)(3) | 1996 | $23.3 million | $59.4 million | 2025-06 |
| Atlantic Salmon Federation Inc | Calais | 501(c)(3) | 1968 | $18.2 million | $36 million | 2025-09 |
| Animal Welfare Society Inc | W Kennebunk | 501(c)(3) | 1969 | $5.4 million | $10.9 million | 2025-06 |
| Midcoast Humane | Brunswick | 501(c)(3) | 1966 | $5.4 million | $10.1 million | 2025-12 |
| Animal Refuge League of Greater Portland | Westbrook | 501(c)(3) | 1942 | $4.9 million | $19.6 million | 2024-12 |
| Center for Wildlife Inc | Cape Neddick | 501(c)(3) | 1987 | $2.3 million | $7.4 million | 2025-06 |
| Downeast Salmon Federation | Columbia FLS | 501(c)(3) | 2001 | $2.2 million | $6.7 million | 2024-12 |
| The Ark Pope Memorial Animal Shelter | Cherryfield | 501(c)(3) | 1985 | $2.2 million | $5.1 million | 2024-12 |
| Downeast Institute for Applied Marine Research and Education Inc | Beals | 501(c)(3) | 1997 | $2 million | $9.8 million | 2024-12 |
| Peace Ridge Sanctury | Brooks | 501(c)(3) | 2005 | $2 million | $5.4 million | 2024-12 |
| Maine State Society for the Protection of Animals | South Windham | 501(c)(3) | 1942 | $1.8 million | $15.7 million | 2024-12 |
| Kennebec Valley Humane Society | Augusta | 501(c)(3) | 1965 | $1.7 million | $9.3 million | 2024-12 |
| Bangor Humane Society | Bangor | 501(c)(3) | 1977 | $1.6 million | $4.7 million | 2026-04 |
| Ahimsa Foundation | South Windham | 501(c)(3) | 1982 | $1.5 million | $27.8 million | 2025-12 |
| Grammy Rose Dog Rescue and Sanctuary Inc | Acton | 501(c)(3) | 2019 | $1.4 million | $6.1 million | 2025-12 |
| Society for the Prevention of Cruelty To Animals of Hancock Cty | Trenton | 501(c)(3) | 1969 | $1.3 million | $2 million | 2024-12 |
| Pope Memorial Humane Society of Knox County | Rockland | 501(c)(3) | 1991 | $1.3 million | $6.7 million | 2024-12 |
| Maine Animal Health Alliance | Augusta | 501(c)(3) | 2023 | $1.2 million | $471,741 | 2024-12 |
| Greater Androscoggin Humane Society | Lewiston | 501(c)(3) | 1973 | $1.2 million | $3.2 million | 2025-06 |
| Protectors of Animal Life Society | Winthrop | 501(c)(3) | 1980 | $1.1 million | $2.4 million | 2025-12 |
| Maine Coast Community Sector | Brunswick | 501(c)(5) | 2012 | $1.1 million | $353,491 | 2025-12 |
| Responsible Pet Care of Oxford Hills | South Paris | 501(c)(3) | 1995 | $984,617 | $1.3 million | 2025-12 |
| P A W S Animal Adoption Center | Rockport | 501(c)(3) | 1975 | $954,861 | $2.4 million | 2024-12 |
| Humane Society Waterville Area | Waterville | 501(c)(3) | 1970 | $879,046 | $782,138 | 2024-12 |
| Harvest Hills Animal Shelter Inc | Fryeburg | 501(c)(3) | 1994 | $870,974 | $2.2 million | 2025-12 |
| Avian Haven | Freedom | 501(c)(3) | 1999 | $756,210 | $2.4 million | 2024-12 |
| Homeless Animal Rescue Team of Maine Inc | Cumberland | 501(c)(3) | 2001 | $724,262 | $3.1 million | 2024-12 |
| Safe Haven Humane Society | Wells | 501(c)(3) | 2004 | $644,441 | $1.6 million | 2025-12 |
| Somerset Humane Society | Skowhegan | 501(c)(3) | 1985 | $624,136 | $2.6 million | 2025-12 |
| Project Share | Cherryfield | 501(c)(3) | 1995 | $610,930 | $230,836 | 2024-12 |
| Center for Wildlife Studies | Camden | 501(c)(3) | 2020 | $596,060 | $80,320 | 2024-12 |
| New England Veterinary Medical Association | Portland | 501(c)(3) | 1967 | $589,101 | $620,484 | 2024-12 |
| Darrowby Farm Sanctuary | Jefferson | 501(c)(3) | 2019 | $513,034 | $966,925 | 2025-07 |
| Franklin County Animal Shelter | Farmington | 501(c)(3) | 1977 | $498,909 | $3.3 million | 2024-12 |
| Rescue Charlies Friends | Woolwich | 501(c)(3) | 2018 | $344,898 | $794,563 | 2025-12 |
| Central Aroostook Humane Society | Presque Isle | 501(c)(3) | 1975 | $315,168 | $1.2 million | 2025-06 |
| Miracle German Shepherd Dog Rescue of Maine | Searsmont | 501(c)(3) | 2017 | $312,112 | $302,327 | 2025-12 |
| Another Chance Animal Rescue | North Berwick | 501(c)(3) | 1992 | $297,049 | $77,705 | 2025-12 |
| Houlton Humane Society | Houlton | 501(c)(3) | 1978 | $280,279 | $504,800 | 2024-12 |
| Spirits Place | Newport | 501(c)(3) | 2016 | $276,188 | $153,980 | 2024-12 |
| Messenger Animal Rescue Inc | Harrington | 501(c)(3) | 2022 | $255,182 | $103,375 | 2025-12 |
| New England Lab Rescue Inc | Limerick | 501(c)(3) | 2012 | $252,321 | $157,527 | 2024-12 |
| Safe Harbor Sanctuary | Brooks | 501(c)(3) | 2024 | $251,327 | $39,468 | 2025-12 |
| Pixels Posse Inc | Orrington | 501(c)(3) | 2012 | $243,441 | $83,759 | 2025-12 |
| Stanwood Wildlife Sanctuary | Ellsworth | 501(c)(3) | 1967 | $226,836 | $1.3 million | 2025-12 |
| Hirundo Wildlife Trust | Orono | 501(c)(3) | 1979 | $194,517 | $1.4 million | 2025-12 |
| Bluefin Collaborative | Ogunquit | 501(c)(3) | 2022 | $185,639 | $115,867 | 2024-12 |
| Whistle Pig Animal Welfare Service Corporation | Alna | 501(c)(3) | 2017 | $184,254 | $8,692 | 2024-12 |
| Grateful Dog Animal Rescue Inc | Portland | 501(c)(3) | 2017 | $181,296 | $8,907 | 2025-12 |
| Bagaduce River Equine Rescue | Brooksville | 501(c)(3) | 2018 | $178,868 | $235,078 | 2025-12 |
| Maine Coast Animal Rescue | Northport | 501(c)(3) | 2017 | $178,431 | $37,186 | 2024-12 |
| Animal Orphanage | Orono | 501(c)(3) | 1992 | $166,885 | $631,451 | 2023-12 |
| Marians Dream Philanthropy for Animal Advocates Inc | Brunswick | 501(c)(3) | 1984 | $153,668 | $1.5 million | 2025-12 |
| Brownvilles Food Pantry for Deer | Brownville | 501(c)(3) | 2020 | $152,883 | $37,058 | 2025-12 |
| Almost Home Rescue | S Portland | 501(c)(3) | 2014 | $151,351 | $118,482 | 2024-12 |
| Kisma Preserve | Mount Desert | 501(c)(3) | 1987 | $147,846 | $222,281 | 2024-04 |
| Halfway Home Pet Rescue Inc | Caribou | 501(c)(3) | 2009 | $145,188 | $187,245 | 2025-12 |
| Acadia Wildlife Center | Mount Desert | 501(c)(3) | 1995 | $143,835 | $236,033 | 2025-12 |
| Friends of the Maine Wildlife Park | Gray | 501(c)(3) | 1995 | $141,564 | $486,950 | 2024-12 |
| Meow Lounge- | Westbrook | 501(c)(3) | 2025 | $140,037 | $20,380 | 2025-12 |
| Cottontail Cottage Farm Sanctuary | Whitefield | 501(c)(3) | 2015 | $139,047 | $236,772 | 2025-12 |
| Penobscot Valley Humane Society | Lincoln | 501(c)(3) | 2026 | $134,984 | $102,010 | 2025-08 |
| Friends of Feral Felines | Portland | 501(c)(3) | 1998 | $134,022 | $128,423 | 2024-12 |
| Miles To Freedom | Oxford | 501(c)(3) | 2021 | $133,604 | $32,628 | 2025-12 |
| Beach Dog Rescue of Costa Maya Mexico Inc | Rangeley | 501(c)(3) | 2019 | $124,984 | $19,453 | 2025-12 |
| Donkey & Draft Rescue | Perry | 501(c)(3) | 2023 | $115,860 | $3,961 | 2025-12 |
| Give A Dog A Home Rescue | Dovr Foxcroft | 501(c)(3) | 2015 | $115,692 | $119,643 | 2025-12 |
| Waldo County Humane Society | Belfast | 501(c)(3) | 1981 | $113,630 | $783,393 | 2024-12 |
| Saco River Wildlife Center | Limington | 501(c)(3) | 2017 | $109,567 | $560,194 | 2025-12 |
| Acadia Birding Festival | Yarmouth | 501(c)(3) | 2016 | $107,056 | $8,621 | 2025-12 |
| Ark Animal Sanctuary Inc | Houlton | 501(c)(3) | 2010 | $105,748 | $312,295 | 2025-12 |
| Wolves of Maine Sanctuary | Falmouth | 501(c)(3) | 2023 | $104,606 | $0 | 2025-12 |
| Pulled From the Pits A Pitbull Rescue | Leeds | 501(c)(3) | 2020 | $104,552 | $20,182 | 2024-12 |
| Catahoula Rescue of New England Houlas & Heelers Inc | Warren | 501(c)(3) | 2014 | $101,560 | $26,377 | 2024-12 |
| Maine Greyhound Placement Service | Augusta | 501(c)(3) | 2022 | $99,624 | $649,684 | 2025-12 |
| Long Journey To A New Beginning Animal Rescue | Stow | 501(c)(3) | 2014 | $97,227 | $52,784 | 2025-12 |
| A Paw in the Door Inc | Bath | 501(c)(3) | 1996 | $96,264 | $317,950 | 2025-12 |
| Maine Humane | Auburn | 501(c)(3) | 1980 | $91,480 | $239,329 | 2026-03 |
| Paws Animal Welfare Society Inc | Ft Kent MLS | 501(c)(3) | 2008 | $88,486 | $125,959 | 2025-12 |
| P A W S - Protection of Animals Wandering the Streets | Calais | 501(c)(3) | 1998 | $86,677 | $197,317 | 2023-12 |
| Futures for Standardbreds | Hollis Center | 501(c)(3) | 2014 | $81,280 | $96,953 | 2023-12 |
| Maine Wildlife Rehabilitation | Old Town | 501(c)(3) | 2024 | $79,720 | $15,575 | 2025-12 |
| Cat Life Maine Inc | Bangor | 501(c)(3) | 2023 | $79,293 | $17,645 | 2025-12 |
| Aroostook County Conservation Association | New Sweden | 501(c)(3) | 2016 | $76,579 | $143,694 | 2025-12 |
| Mainely Rat Rescue | Auburn | 501(c)(3) | 2016 | $75,217 | $22,487 | 2025-12 |
| Four Legged Freedom Rescue | Kennebunk | 501(c)(3) | 2019 | $73,192 | $1,122 | 2024-12 |
| Empowered Equines | York | 501(c)(3) | 2016 | $72,169 | $40,820 | 2024-12 |
| Maine Vest A Dog | Bridgton | 501(c)(3) | 2025 | $67,968 | $4,323 | 2025-12 |
| Eastern Maine Conservation Initiative | Portland | 501(c)(3) | 1996 | $66,899 | $592,722 | 2024-12 |
| Eastern Maine Agility Club Inc | Camden | 501(c)(4) | 2014 | $64,475 | $45,741 | 2025-12 |
| Ellies Legacy Animal Foundation | Portland | 501(c)(3) | 2020 | $61,638 | $23,411 | 2025-12 |
| Maine Fiber Frolic | Trescott TWP | 501(c)(6) | 2014 | $57,600 | $63,249 | 2024-12 |
| Whiska House | Augusta | 501(c)(3) | 2015 | $56,417 | $8,195 | 2025-12 |
| Lucky Pup Rescue Inc | Kennebunkport | 501(c)(3) | 2010 | $49,268 | $6,341 | 2025-12 |
| Ornithological Council | Bar Harbor | 501(c)(3) | 1994 | $42,543 | $37,386 | 2026-06 |
| Prouts Neck Audubon Society | Scarborough | 501(c)(3) | 2013 | $42,042 | $425,314 | 2025-06 |
| 3 Dogs Rescue | Berwick | 501(c)(3) | 2015 | $28,989 | $26,382 | 2025-12 |
| A Life Line | Smyrna | 501(c)(3) | 2015 | $23,020 | $47,545 | 2025-12 |
| Pine Tree State Pet Trapping | Bowdoin | 501(c)(3) | 2024 | $2,660 | $2,097 | 2024-12 |
| Ralphies Retreat Inc | Hiram | 501(c)(3) | 2014 | $1,439 | $153,713 | 2025-12 |
| 4R Animal Shelter | Lee | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Action for Animals Inc | Edgecomb | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Adovocat for Animals Inc | Scarborough | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Agility Central of Maine | Readfield | 501(c)(4) | 2017 | $0 | $0 | 2025-12 |
| All-Ways Healing With Horses | Augusta | 501(c)(3) | 2022 | $5,399 | 2025-12 | |
| Alpha Dog Rescue | Lebanon | 501(c)(3) | 2024 | |||
| American Caspian Horse Registry Corp | Monticello | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Angel Fund Inc | Biddeford | 501(c)(3) | 2024 | |||
| Aroostook Sportsman Association | Presque Isle | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Arthur E Howell Wildlife Conservation Center | Amity | 501(c)(3) | 1985 | $0 | $0 | 2025-12 |
| Australian Shepherd Club of Maine | Windham | 501(c)(7) | 2017 | $0 | $0 | 2025-12 |
| Bearded Collie Club of Maine | Alfred | 501(c)(4) | 2007 | $0 | $0 | 2025-12 |
| Best Friends Animal Adoption Center | Bangor | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| Calebs Opus Corp | Berwick | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Camp Emmett | Milo | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Catwalk Dogpath Inc | East Boothbay | 501(c)(3) | 2006 | $0 | $0 | 2024-12 |
| Citizens for Farm Animal Protection | Portland | 501(c)(4) | 2018 | $0 | $0 | 2025-06 |
| Coastal Maine Great Dane Rescue | Topsham | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Coins for K9S | Brunswick | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Community Cat Advocates Inc | Buckfield | 501(c)(3) | 2020 | $0 | $0 | 2026-05 |
| Coyote Center for Carnivore Ecology | Morrill | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Critterville Wildlife Rehabilitation Center | Brooklin | 501(c)(3) | 2022 | $0 | $0 | 2024-05 |
| Dinna Fash Farm | Jefferson | 501(c)(3) | 2024 | |||
| Dogwill Inc | Bath | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Double B Equine Rescue Corp | Industry | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Downeast Equine and Large Animal Society | Deblois | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Duck Pond Wildlife Care Center | Standish | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Earth Ocean Food Systems Ethos Inc | Camden | 501(c)(3) | 2023 | $4,321 | 2025-12 | |
| Ellis River Riders | Andover | 501(c)(4) | 2016 | $0 | $0 | 2025-12 |
| Ever After Mustang Rescue Training and Educational Center | Biddeford | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| Ever After Wedding Venue and Mini Rescue & Sanctuary | Norridgewock | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Fairy Tails | Turner | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| Fetching Hope Rescue | North Berwick | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Finally Home Rescue | N Yarmouth | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| First Call Thoroughbreds of Maine | Auburn | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| First Light Farm Equine Shelter | Auburn | 501(c)(3) | 2010 | $0 | $0 | 2023-12 |
| Forgotten Kitten Project of Me | West Bath | 501(c)(3) | 2025 | |||
| Friends of Mayor Baxter Woods | Portland | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Friends of Willow | Falmouth | 501(c)(3) | 2013 | $0 | $0 | 2026-06 |
| Friends of York Dog Park | Cape Neddick | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Friends of the Moosehorn | Baring PLT | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Gidgets Pit Stop Inc | Lincoln | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Golden Years Haven Corp | Topsham | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Good Dogma By the Sea - A Home for Wayward Dogs | Perry | 501(c)(3) | 2026 | |||
| Green Ark LLC | Hollis Center | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Helping Horses Helping People | Camden | 501(c)(3) | 2026 | |||
| Herphaven Reptile Rescue and Sanctuary | Brunswick | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Home for Unwanted Waifs Inc | Addison | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Hope Harbor Animal Society | Saco | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Hope and Healing Animal Sanctuary Inc | Unity | 501(c)(3) | 2025 | |||
| Horse Wizdom Therapies | Alexander | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Housel-Ryan-Sheldon Wildlife Sanctuary | Sandy Point | 501(c)(3) | 1993 | $698,702 | 2024-12 | |
| Impact Horse- Connecting Humans and Horses | Kennebunk | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Jacob Memorial Charitable Trust | Searsport | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Journey Home Dog Rescue Inc | Freeport | 501(c)(3) | 2007 | $0 | $0 | 2024-12 |
| K9 Ballistic Vests | Oxford | 501(c)(3) | 2024 | |||
| Kelmscott Rare Breeds Foundation | Lincolnville | 501(c)(3) | 1996 | $148,569 | 2003-12 | |
| Kommunity Kritters | Lewiston | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Konig Corp | Harrison | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Kritter Ridge | Stow | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Little Paws Big Hearts Pekingese Rescue | Portland | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Maikuchiga Global Solidarity | Belfast | 501(c)(3) | 2016 | $547 | 2016-12 | |
| Maine Animal Coalition | Portland | 501(c)(3) | 1990 | $0 | $0 | 2025-12 |
| Maine Bee Wellness | Sullivan | 501(c)(3) | 2019 | $35,069 | 2025-12 | |
| Maine Big Night Amphibian Migration Monitoring | Canaan | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Maine Bigfoot Foundation Inc | Winslow | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Maine Coonhound Rescue Inc | Eddington | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Maine Dog Rescue | Augusta | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Maine Farm Animal Advocates | Orland | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Maine Friends of Animals | Falmouth | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Maine Lost Dog Recovery | Pownal | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Maine Moose Coalition | Greenville | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Maine Poodle Rescue | Mt Vernon | 501(c)(3) | 2025 | |||
| Maine Sheltie Rescue | Portland | 501(c)(3) | 2014 | $0 | $0 | 2026-01 |
| Maine Wolf Coalition Inc | South China | 501(c)(3) | 1995 | $0 | $0 | 2024-12 |
| Mainegy Angels | Appleton | 501(c)(3) | 2024 | |||
| Mainely Pets Foundation | Falmouth | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Maple Crest Farm Animal Rescue | Hermon | 501(c)(3) | 2020 | $146,867 | 2025-12 | |
| Matagamon Lake Association Inc | Patten | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Mattawamkeag Mustang Haven | Mattawamkeag | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| May HTR Foundation | Tenants HBR | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Merequus Equine Rescue and Sanctuary | Poland | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Mid-Coast Audubon Society | Damariscotta | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Millers Legacy Dog Rescue and Rehab Inc | Hampden | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Minnis Sanctuary | Bowdoin | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Miracle Lane Farm & Sanctuary | N Vassalboro | 501(c)(3) | 2023 | $0 | $0 | 2025-06 |
| Misfits Rehab | Auburn | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Morriplum Farm Sanctuary | Meddybemps | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Morses Feline Rescue Foundation | Milford | 501(c)(3) | 2001 | $0 | $0 | 2025-12 |
| Mousam Misfits Sanctuary Corporatio N | Kennebunk | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Native Fish Coalition of Maine | Pownal | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| New England Police K9 Foundation | Oxford | 501(c)(3) | 2025 | |||
| New England Wildlife Trust | Georgetown | 501(c)(3) | 1999 | $516,000 | 2025-12 | |
| New Leash On Life Recovery and Resc Ue | Edgecomb | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Northbound Hounds | Sinclair | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Northeast Coastal Communities Sector | Stonington | 501(c)(5) | 2012 | $0 | $0 | 2025-04 |
| Northern Maine Chapter 77 of Muskies Inc | Stockton SPGS | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Northstar Horse Rescue | Union | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Opk9me | Casco | 501(c)(3) | 2026 | |||
| Passion for Pets Rescue Inc | Brunswick | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Paws Until Home | Bangor | 501(c)(3) | 2026 | |||
| Pawz Unlimited Search and Rescue Inc | Old Orchd BCH | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Penobscot Valley Kennel Club Community Partners | Ellsworth | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Penobscot Valley Kennel Club Inc | Ellsworth | 501(c)(4) | 2012 | $0 | $0 | 2025-12 |
| Penquis Animal Welfare Sanctuary | Milo | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Pet Partners of Eastern Maine | Bangor | 501(c)(3) | 2026 | |||
| Petsforvetsme | Cumberland | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Portland Fish Exchange | Portland | 501(c)(6) | 1987 | |||
| Prevent Euthanasia Through Sterilization Pets | Ripley | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Protecting Animals Welfare Inc | Sullivan | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Puggle & Friends Rescue and Transport | Scarborough | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Puppy Love Inc | Harpswell | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Query Sanctuary Inc | Newport | 501(c)(3) | 2025 | $0 | $1 | 2025-12 |
| Rangeley Wild Inc | Rangeley | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Rattletrap Ranch | Limington | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| River Valley Animal Advocates | Canton | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Rockbird Refuge | Buxton | 501(c)(3) | 2026 | |||
| Rockin T Equine Rescue | Lisbon Falls | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Rocky Coast Rabbit Rescue and Sanctuary | Westbrook | 501(c)(3) | 2025 | |||
| Round the Bend Farm | Union | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Salmon Falls River Beagle Club | Lebanon | 501(c)(7) | 2024 | $0 | $0 | 2025-12 |
| Sanctuary at Maple Hill Farms Inc | Auburn | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Scouts Fund Inc | Rockland | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Sebasticook Chapter of Navhda | Mechanic FLS | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Serenity Hill Equine Sanctuary Inc | Deblois | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Serenity Hill Farm and Sanctuary | Newfield | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Sheepscot Meadow Farm Inc | Whitefield | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Sheltie Rescue of Southern Maine | Arundel | 501(c)(3) | 2021 | $0 | $0 | 2024-12 |
| Skybird Wildlife Center Inc | Durham | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Somerset Pet Welfare Alliance | Madison | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Soulstice Ranch Equine Sanctuary | Dexter | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Stanton Bird Club Inc | Lewiston | 501(c)(3) | 1946 | $0 | $0 | 2025-09 |
| State of Maine Dressage Association | Buxton | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Stormy Acres Pet Rescue | Harmony | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Stray Safe Kerala | Portland | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Street Animal Rescue Alliance | Knox | 501(c)(3) | 2026 | |||
| Sugared Snouts Rescue Resorts | Oakland | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Sullivan Sanctuary | Brunswick | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Sunny Hollow Sanctuary | Bangor | 501(c)(3) | 2025 | |||
| T & D Rescue Inc | Limestone | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Tall Tails Beagle Rescue | Mechanic FLS | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| The Better Place Foundation Inc | Standish | 501(c)(3) | 2025 | |||
| The Collie Club of Maine Inc | Pittston | 501(c)(4) | 2025 | $0 | $0 | 2025-12 |
| The Kitty Coven Inc | Gardiner | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Thomaston Dog Park Association | Rockland | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Tommys Feral Feline Friends | Greene | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| United Dog Sports of Northern New England | Springvale | 501(c)(6) | 2023 | $0 | $0 | 2024-12 |
| Upper St John River Organization | Frenchville | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Voice for Animals Inc | Harrison | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| Waiting Whiskers Inc | Sherman | 501(c)(3) | 2017 | $0 | $0 | 2025-09 |
| Waldo County Pet Food Pantry | Belfast | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Waldo County Riding and Driving Club | Waldo | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Warren Brook Wildlife Rehabilitation | Waterford | 501(c)(3) | 2022 | $0 | $0 | 2025-11 |
| Western Maine Great Pyrenees Rescue Inc | New Portland | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Whats One Moore Animal Rescue | Stockton SPGS | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Whispering Pine Equine Alliance Inc | Jonesboro | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Wild Heart Sanctuary | Holden | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Wilderness Miracles Wildlife Rehab Facility | Bowdoin | 501(c)(3) | 2022 | $0 | $0 | 2025-04 |
| Wilderness Way Wildlife | York | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Wildflower Farm & Rescue | Lisbon | 501(c)(3) | 2026 | |||
| Wildlife Conservation Advocates | York Beach | 501(c)(3) | 2012 | $0 | $0 | 2023-12 |
| Wise Animal Guardians Inc | York | 501(c)(3) | 2025 | |||
| Wyatt Project | Richmond | 501(c)(3) | 2024 | $0 | $0 | 2026-08 |
| Yankee Chapter of Navhda | Brunswick | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| New England Animal Sanctuary Inc | Buxton | 501(c)(3) | 2022 | $-27,531 | $2.5 million | 2024-12 |
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.