Data / Nonprofits / Massachusetts / Boston / Animal-related
Animal-related nonprofits in Boston, MA: 22 registered with the IRS
22 animal-related nonprofits are registered with the IRS in Boston, MA, 21 of them 501(c)(3) charities; the 12 that report revenue took in $249.7 million. The largest by revenue: Massachusetts Society for the Prevention of Cruelty To Animals ($152.4 million), New England Aquarium Corporation ($54.6 million), Commonwealth Zoological Corporation ($34.4 million).
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Every organization, largest by revenue first
Other causes in Boston, MA
- Philanthropy, voluntarism and grantmaking foundations 754
- Education 405
- Arts, culture and humanities 344
- Human services 258
- Community improvement and capacity building 216
- Health care 173
- Housing and shelter 140
- Religion-related 121
- Recreation and sports 103
- Environment 85
- International, foreign affairs and national security 78
- Employment 76
- Youth development 72
- Civil rights, social action and advocacy 58
- Public and societal benefit 57
- Mutual and membership benefit 51
- Crime and legal-related 51
- Medical research 50
- Mental health and crisis intervention 48
- Diseases, disorders and medical disciplines 44
- Science and technology 36
- Food, agriculture and nutrition 22
- Social science 15
- Public safety, disaster preparedness and relief 9
Every nonprofit in Boston, MA · Animal-related nonprofits across the state · Nonprofits in every city of the state
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.