Data / Nonprofits / Massachusetts / Arlington / Animal-related
Animal-related nonprofits in Arlington, MA: 7 registered with the IRS
7 animal-related nonprofits are registered with the IRS in Arlington, MA, 6 of them 501(c)(3) charities; the 2 that report revenue took in $963,821. The largest by revenue: Grey2k USA Worldwide Inc ($738,672), Grey 2K USA Education Fund ($225,149).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| Grey2k USA Worldwide Inc | 501(c)(4) | 2001 | $738,672 | $1.4 million | 2024-12 |
| Grey 2K USA Education Fund | 501(c)(3) | 2001 | $225,149 | $88,215 | 2024-12 |
| A-Dog the Arlington Dog Owners Group Inc | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Legacy Rescue Inc | 501(c)(3) | 2016 | $0 | $681 | 2025-06 |
| North American Butterfly Association Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-10 |
| Paals Inc | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Piggy Overnight Camp Inc | 501(c)(3) | 2026 |
Other causes in Arlington, MA
- Arts, culture and humanities 46
- Education 42
- Philanthropy, voluntarism and grantmaking foundations 20
- Religion-related 16
- Human services 14
- Recreation and sports 10
- Youth development 9
- International, foreign affairs and national security 8
- Environment 8
- Mental health and crisis intervention 8
- Science and technology 6
- Community improvement and capacity building 5
- Food, agriculture and nutrition 5
- Public and societal benefit 5
- Diseases, disorders and medical disciplines 4
- Health care 3
- Employment 3
Every nonprofit in Arlington, 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.