Animal Related nonprofits in Massachusetts

Animal Related nonprofits in Massachusetts. Browse 923 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.

Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.

Nonprofit profiles

  1. Maple Farm Sanctuary Inc

    EIN 651275711 · Headquarters: Mendon, MA, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  2. Maple Leaf Equine Sanctuary

    EIN 871726123 · Headquarters: Dedham, MA, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Marine Mammal Alliance Nantucket

    EIN 815294887 · Headquarters: Nantucket, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Marion Horse Show Inc

    EIN 046152191 · Headquarters: Carver, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Martha's Vineyard Shellfish Group, Inc

    EIN 042612898 · Headquarters: Oak Bluffs, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Marthas Vineyard Horse Council Inc

    EIN 043407467 · Headquarters: West Tisbury, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Martys Cat Rescue a Non-profit Corporation

    EIN 465167150 · Headquarters: AVON, MA, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  8. Mary Mitchell Humane Fund

    EIN 046074201 · Headquarters: BOSTON, MA, USA · Animal Related · Latest available filing year: 2011 · Primary form: IRS Form 990

  9. Marys Kitty Korner Inc

    EIN 562464414 · Headquarters: Chicopee, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Mashpee Dog Park Committee

    EIN 264357985 · Headquarters: MASHPEE, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Massachusettes Progressive Animal Watchdog Society Inc

    EIN 260100201 · Headquarters: Winthrop, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Massachusetts Animal Coalition Inc

    EIN 043540202 · Headquarters: NATICK, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Massachusetts Animal Rights Coalition

    EIN 830405673 · Headquarters: Barre, MA, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  14. Massachusetts Bird of Prey Rehabilitation Facility

    EIN 043287450 · Headquarters: CONWAY, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Massachusetts Bluebird Association Inc

    EIN 020545276 · Headquarters: Amherst, MA, US · Animal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. Massachusetts Cage Bird Association Inc

    EIN 222593111 · Headquarters: south easton, MA, US · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  17. Massachusetts Conch Association Inc

    EIN 841943623 · Headquarters: Fairhaven, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Massachusetts Federation of Dog Clubs and Responsible Dog Owners I

    EIN 205847949 · Headquarters: Wayland, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Massachusetts Feline Intervention Alliance Inc

    EIN 814383581 · Headquarters: Attleboro, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  20. Massachusetts Ferret Friends Inc

    EIN 043327156 · Headquarters: Cambridge, MA, US · Animal Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  21. Massachusetts for Elephants Inc

    EIN 831903995 · Headquarters: IPSWICH, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  22. Massachusetts Humane Society Inc

    EIN 743127603 · Headquarters: BRAINTREE, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  23. Massachusetts Outdoor Heritage Foundation Inc Attn Susan Sacco

    EIN 043556375 · Headquarters: WESTBOROUGH, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. Massachusetts Pet Partners Inc an Affiliate Delta Society Pet Ptnrs

    EIN 320130728 · Headquarters: North Andover, MA, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Massachusetts Raptor Center Inc

    EIN 472170373 · Headquarters: Taunton, MA, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. Massachusetts Rescue and Recovery K9 Unit Inc

    EIN 680647045 · Headquarters: Harvard, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Massachusetts Union for Siberian Huskies Inc

    EIN 264111740 · Headquarters: Malden, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Massachusetts Veterinary Medical Association Charities Inc

    EIN 223117564 · Headquarters: MARLBOROUGH, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Massachusetts Waterfowlers Inc

    EIN 043510296 · Headquarters: Westport, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Maureen E Calkins Charitable Wildlife Foundation Inc

    EIN 474496539 · Headquarters: DOVER, MA, US · Animal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  31. Maydog the Maynard Dog Owners Group Inc

    EIN 263289743 · Headquarters: Maynard, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Medfield Animal Shelter Inc

    EIN 043508728 · Headquarters: MEDFIELD, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Medicine Mammals

    EIN 300260480 · Headquarters: Wendell, MA, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  34. Meeting House Farm Sanctuary Inc

    EIN 871839065 · Headquarters: EAST SANDWICH, MA, USA · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990

  35. Melrose Dog Society

    EIN 264534674 · Headquarters: MELROSE, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Melrose Humane Society Inc

    EIN 043100198 · Headquarters: MELROSE, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Memory Lane Farm Rescue & Sanctuary

    EIN 820604258 · Headquarters: HARWICH, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Mending Paws Foundation

    EIN 272769258 · Headquarters: GARDNER, MA, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Merrimack River Feline Rescue Society Inc

    EIN 043172322 · Headquarters: SALISBURY, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Merrimack Valley Cottontail Clinic Inc

    EIN 923083678 · Headquarters: Andover, MA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  41. Merwin Memorial Free Clinic for Animals Inc

    EIN 042121362 · Headquarters: ALLSTON, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Metrowest Humane Society Inc

    EIN 042600449 · Headquarters: FRAMINGHAM, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Metrowest Pet Pantry Inc

    EIN 272422237 · Headquarters: MILLIS, MA, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. Michael Panagakos Foundation Ltd

    EIN 273854177 · Headquarters: DARTMOUTH, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Mid-cape Shell Fishermans Alliance Inc

    EIN 934843716 · Headquarters: west dennis, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Mike Walsh Memorial Golf Tournament

    EIN 872082697 · Headquarters: east bridgewater, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Milford Humane Society Inc

    EIN 043101680 · Headquarters: Milford, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Mill Circle Equestrian Center Inc

    EIN 832123546 · Headquarters: Winchendon, MA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  49. Mill Farm Sanctuary Inc

    EIN 993511107 · Headquarters: Needham, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Mills River Rescue and Sanctuary Inc

    EIN 842489665 · Headquarters: Marstons Mills, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Milton Animal League Inc

    EIN 042724834 · Headquarters: Milton, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Miltons Billion Backyard Bee Project Inc

    EIN 821991635 · Headquarters: Milton, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Mint for Mounts Inc

    EIN 264699495 · Headquarters: West Newbury, MA, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  54. Misha Foundation

    EIN 822033717 · Headquarters: Salem, MA, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  55. Misty Meadows Foundation Inc

    EIN 812932294 · Headquarters: VINEYARD HAVEN, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Moby Kit Rescue Inc

    EIN 862812096 · Headquarters: FALL RIVER, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Monarch Meadow Carefarm

    EIN 332999064 · Headquarters: Everett, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Monarch Ranch Inc

    EIN 922556244 · Headquarters: TEWKSBURY, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. Monkeyfriendly Incorporated

    EIN 853715027 · Headquarters: West Springfield, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Mor to Yoga

    EIN 922681042 · Headquarters: Milford, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. MSPCA-Angell

    EIN 042103597 · Headquarters: Boston, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. MSPCA-Angell

    EIN 042103655 · Headquarters: Boston, MA, US · Animal Related · Latest available filing year: 2010 · Primary form: IRS Form 990

  63. Mutt Dog Impact Fund

    EIN 932300811 · Headquarters: Dover, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Mutt Rescue Inc

    EIN 813355744 · Headquarters: CHICOPEE, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Nafas and Friends Animal Society Inc

    EIN 465631679 · Headquarters: Framingham, MA, US · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  66. Nantucket Animal Rescue Inc

    EIN 934858760 · Headquarters: SIASCONSET, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Nantucket Safe Harbor for Animals Inc

    EIN 453827775 · Headquarters: NANTUCKET, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Natick Wildlife CareInc

    EIN 841887974 · Headquarters: NATICK, MA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. National Association of Government Employees Local Ri 203

    EIN 371559505 · Headquarters: Hadley, MA, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  70. National Cancer Society for Animals

    EIN 201483092 · Headquarters: Norton, MA, US · Animal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  71. National Council for Animal Protection Inc

    EIN 161760705 · Headquarters: BOSTON, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. National Icelandic Sheepdog Rescue Alliance

    EIN 271674645 · Headquarters: Lexington, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Nature Matters Inc

    EIN 822512456 · Headquarters: Lee, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Natures Nurse Wildlife Rehabilitation

    EIN 843682649 · Headquarters: Franklin, MA, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Nba Rescue Inc

    EIN 830927422 · Headquarters: BROCKTON, MA, US · Animal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  76. Neady Cats Corp D/b/a Cats in Need

    EIN 043509327 · Headquarters: WEST BOYLSTON, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Needham Police Working Dogs Foundation Inc

    EIN 933132225 · Headquarters: Needham, MA, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  78. Nefesh Whispers

    EIN 832419984 · Headquarters: SPRINGFIELD, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Neponset Valley Humane Society Inc

    EIN 043182956 · Headquarters: NORWOOD, MA, USA · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  80. Nerd Herd Sanctuary

    EIN 932655597 · Headquarters: Dartmouth, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. Never Alone Animal Rescue International Inc

    EIN 882604020 · Headquarters: DANVERS, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Never Give Up Rescue

    EIN 844242851 · Headquarters: Milford, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. New 2 U Dog Rescue

    EIN 475382996 · Headquarters: Greenfield, MA, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. New Beginnings Dog Rescue

    EIN 204389832 · Headquarters: BONDSVILLE, MA, US · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  85. New England All Breed Rescue Inc

    EIN 800583261 · Headquarters: LEICESTER, MA, USA · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  86. New England Animal Action Inc

    EIN 043260312 · Headquarters: Springfield, MA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. New England Animal Rescue Inc

    EIN 200707459 · Headquarters: Kingston, MA, US · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  88. New England Anti-vivisection Society

    EIN 042104756 · Headquarters: BOSTON, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. New England Aquarium

    EIN 042297514 · Headquarters: Boston, MA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. New England Arts for Animals Inc

    EIN 261471428 · Headquarters: NORWELL, MA, US · Animal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  91. New England Basset Hound Rescue Inc

    EIN 020529552 · Headquarters: RUTLAND, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. New England Brittany Rescue Inc

    EIN 020527897 · Headquarters: Marion, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. New England Dog Park Coalition Inc

    EIN 333022527 · Headquarters: Westford, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. New England Dog Training Club Inc

    EIN 455571791 · Headquarters: SHERBORN, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  95. New England English Springer Spaniel Rescue Inc

    EIN 371437335 · Headquarters: Ashland, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. New England Equine Rescue - North Inc

    EIN 454007146 · Headquarters: West Newbury, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. New England Federation of Humane Societies

    EIN 020447142 · Headquarters: Lowell, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  98. New England Finnish Lapphund Club Inc

    EIN 932649134 · Headquarters: Swampscott, MA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. New England Fishery Management Council

    EIN 042607425 · Headquarters: Newburyport, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. New England Meow Outfit

    EIN 462868488 · Headquarters: Ashland, MA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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