Data / Nonprofits / New York / Riverhead / Human services
Human services nonprofits in Riverhead, NY: 12 registered with the IRS
12 human services nonprofits are registered with the IRS in Riverhead, NY, 11 of them 501(c)(3) charities; the 8 that report revenue took in $90 million. The largest by revenue: East End Disability Associates Inc ($40.7 million), Aid To the Developmentally Disabled Inc ($32.3 million), Timothy Hill Childrens Ranch Inc ($16.4 million).
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Every organization, largest by revenue first
| Organization | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| East End Disability Associates Inc | 501(c)(3) | 1996 | $40.7 million | $17.8 million | 2024-12 |
| Aid To the Developmentally Disabled Inc | 501(c)(3) | 1989 | $32.3 million | $17.8 million | 2025-12 |
| Timothy Hill Childrens Ranch Inc | 501(c)(3) | 1977 | $16.4 million | $19.6 million | 2025-06 |
| Riverhead Rotary Charities Inc | 501(c)(3) | 2013 | $407,469 | $817,787 | 2025-06 |
| Open Arms Care Center Inc | 501(c)(3) | 2000 | $38,942 | $24,880 | 2024-12 |
| Johannas Hope Inc | 501(c)(3) | 2022 | $21,356 | $16,501 | 2024-12 |
| Harvest East End Inc | 501(c)(3) | 2012 | $20,466 | $29,282 | 2025-06 |
| Heidis Helping Angels | 501(c)(3) | 2012 | $9,139 | $6,388 | 2025-12 |
| 2ND Chance Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Im My Sisters Keeper Inc | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| National Institute for Special Education Inc | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| The Lions Club of Reverhead Inc | 501(c)(4) | 2024 | $0 | $0 | 2026-06 |
Other causes in Riverhead, NY
- Religion-related 16
- Arts, culture and humanities 12
- Philanthropy, voluntarism and grantmaking foundations 11
- Education 10
- Community improvement and capacity building 9
- Health care 8
- Recreation and sports 8
- Animal-related 8
- Youth development 6
- Housing and shelter 4
- Environment 3
Every nonprofit in Riverhead, NY · Human services 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.