Data / Nonprofits / Colorado / Littleton / Animal-related
Animal-related nonprofits in Littleton, CO: 25 registered with the IRS
25 animal-related nonprofits are registered with the IRS in Littleton, CO, 23 of them 501(c)(3) charities; the 13 that report revenue took in $7 million. The largest by revenue: Humane Society of the South Platte Valley Inc ($1.8 million), Peppers Senior Dog Sanctuary ($1.3 million), Katie Adamson Conservation Fund ($912,198).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Humane Society of the South Platte Valley Inc | 501(c)(3) | 2009 | $1.8 million | $1.9 million | 2025-12 |
| Peppers Senior Dog Sanctuary | 501(c)(3) | 2020 | $1.3 million | $1.7 million | 2025-12 |
| Katie Adamson Conservation Fund | 501(c)(3) | 2015 | $912,198 | $66,531 | 2025-12 |
| Golden Retriever Club of America | 501(c)(4) | 1973 | $831,424 | $584,627 | 2025-07 |
| Pandas International | 501(c)(3) | 2000 | $752,078 | $754,832 | 2024-12 |
| Lolas Rescue | 501(c)(3) | 2013 | $576,349 | $61,469 | 2024-12 |
| Zumas Rescue Ranch Inc | 501(c)(3) | 2008 | $302,925 | $370,865 | 2025-12 |
| Colorado Conservation Alliance Inc | 501(c)(6) | 2024 | $153,193 | $1,238 | 2025-12 |
| Colorado Grey Hound Adoption | 501(c)(3) | 1997 | $116,043 | $396,850 | 2026-03 |
| Snow Capped Shepherd Rescue Inc | 501(c)(3) | 2007 | $83,407 | $27,482 | 2024-12 |
| Vintage Dog Rescue Inc | 501(c)(3) | 2008 | $79,115 | $49,732 | 2025-12 |
| DMK Rehoming Inc | 501(c)(3) | 2010 | $52,934 | $29,512 | 2025-12 |
| Paws On the Ground Colorado | 501(c)(3) | 2016 | $30,644 | $42,625 | 2025-12 |
| Blue Sky Satos Animal Rescue | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Colorado Parrot Rescue Inc | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Colorado Wildlife Crossings | 501(c)(3) | 2025 | |||
| Doggy Dog World Rescue | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| International Foundation for Equine Podiatry Research | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Pembroke Welsh Corgi Club of the Rockies Rescue Inc | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Pet Pantry | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Pound Pitties Dog Rescue | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Rewind Rhino Extincton | 501(c)(3) | 2019 | $15,865 | 2025-12 | |
| Sally Judith McLellan Wildlife Foundation | 501(c)(3) | 2024 | $5 million | 2025-12 | |
| Squirrel Creek Wildlife Rescue | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Twice Purrfect Feline Rescue | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
Other causes in Littleton, CO
- Education 131
- Religion-related 95
- Recreation and sports 92
- Human services 88
- Philanthropy, voluntarism and grantmaking foundations 66
- Arts, culture and humanities 60
- Community improvement and capacity building 32
- Mental health and crisis intervention 22
- Youth development 21
- Environment 20
- International, foreign affairs and national security 15
- Diseases, disorders and medical disciplines 13
- Health care 13
- Housing and shelter 13
- Public and societal benefit 12
- Crime and legal-related 12
- Civil rights, social action and advocacy 6
- Medical research 6
- Mutual and membership benefit 5
- Food, agriculture and nutrition 3
- Employment 3
- Public safety, disaster preparedness and relief 3
- Science and technology 3
Every nonprofit in Littleton, CO · 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.