Data / Nonprofits / Illinois / Naperville / Animal-related
Animal-related nonprofits in Naperville, IL: 21 registered with the IRS
21 animal-related nonprofits are registered with the IRS in Naperville, IL, 21 of them 501(c)(3) charities; the 9 that report revenue took in $7.9 million. The largest by revenue: Spay Illinois Pet Well Clinics Inc ($4.6 million), Animals Deserving of Proper Treatment ($1.1 million), Naperville Area Humane Society Inc ($1 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Spay Illinois Pet Well Clinics Inc | 501(c)(3) | 2011 | $4.6 million | $5.4 million | 2025-12 |
| Animals Deserving of Proper Treatment | 501(c)(3) | 1994 | $1.1 million | $3.5 million | 2024-12 |
| Naperville Area Humane Society Inc | 501(c)(3) | 1980 | $1 million | $4.3 million | 2024-12 |
| Angel Dog Alliance NFP | 501(c)(3) | 2025 | $513,683 | $11,831 | 2024-12 |
| Chicago French Bulldog Rescue Inc NFP | 501(c)(3) | 2009 | $221,566 | $338,841 | 2025-12 |
| Chappy & Friends | 501(c)(3) | 2017 | $150,289 | $50,812 | 2025-12 |
| Just Giant Rescue Inc | 501(c)(3) | 2014 | $148,839 | $33,988 | 2025-12 |
| Lizzys Fund | 501(c)(3) | 2016 | $137,098 | $492,055 | 2025-12 |
| Find A Home Pet Rescue Inc | 501(c)(3) | 2011 | $41,451 | $8,822 | 2024-12 |
| Angels On Wheels Animal Rescue NFP | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Baxter and Rockys Charity | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Bunnies United Network | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Chloes Forgotten Canine Foundation | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Dumped Bunny | 501(c)(3) | 2025 | $0 | $0 | 2026-04 |
| Equine Welfare Alliance | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Kittenville | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Unleashed Alliance Corporation | 501(c)(3) | 2026 | |||
| Voiceless Cry Charity | 501(c)(3) | 2014 | $0 | $1 | 2025-12 |
| Waifs & Strays Animal Rescue | 501(c)(3) | 2009 | $0 | $0 | 2023-12 |
| Wildlife Warriors | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Yannis Paws of Hope | 501(c)(3) | 2026 |
Other causes in Naperville, IL
- Education 130
- Religion-related 99
- Human services 84
- Arts, culture and humanities 75
- Philanthropy, voluntarism and grantmaking foundations 59
- Recreation and sports 58
- Community improvement and capacity building 34
- Youth development 33
- Health care 31
- International, foreign affairs and national security 22
- Public and societal benefit 21
- Environment 17
- Mental health and crisis intervention 17
- Diseases, disorders and medical disciplines 11
- Medical research 7
- Crime and legal-related 7
- Housing and shelter 6
- Science and technology 6
- Food, agriculture and nutrition 5
- Public safety, disaster preparedness and relief 4
- Civil rights, social action and advocacy 4
- Mutual and membership benefit 3
Every nonprofit in Naperville, IL · 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.