Data / Nonprofits / Wisconsin / Madison / Animal-related
Animal-related nonprofits in Madison, WI: 26 registered with the IRS
26 animal-related nonprofits are registered with the IRS in Madison, WI, 25 of them 501(c)(3) charities; the 8 that report revenue took in $35.1 million. The largest by revenue: Dane County Humane Society ($31.8 million), Underdog Pet Rescue of Wisconsin Inc ($1.9 million), Madison Cat Project Inc ($1 million).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
Other causes in Madison, WI
- Education 267
- Arts, culture and humanities 204
- Philanthropy, voluntarism and grantmaking foundations 154
- Human services 145
- Community improvement and capacity building 122
- Recreation and sports 119
- Religion-related 97
- Environment 81
- Health care 71
- Youth development 71
- Employment 56
- International, foreign affairs and national security 46
- Housing and shelter 43
- Civil rights, social action and advocacy 37
- Crime and legal-related 36
- Mental health and crisis intervention 34
- Public and societal benefit 33
- Diseases, disorders and medical disciplines 25
- Food, agriculture and nutrition 18
- Science and technology 18
- Mutual and membership benefit 17
- Medical research 13
- Public safety, disaster preparedness and relief 7
- Social science 5
Every nonprofit in Madison, WI · 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.