Data / Nonprofits / New York / Islip
Nonprofits in Islip, NY: 80 registered with the IRS
80 nonprofits are registered with the IRS in Islip, NY, 65 of them 501(c)(3) charities; the 25 that report revenue took in $4.6 million. The largest by revenue: Seatuck Environmental Association Inc ($1.4 million), All Star Service Coordination Inc ($571,253), Islip School Age Child Care Corporation ($455,271). Most common causes: human services (10), education (10), arts, culture and humanities (5).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Seatuck Environmental Association Inc | Environment | 501(c)(3) | 1994 | $1.4 million | $2.4 million | 2024-12 |
| All Star Service Coordination Inc | Human services | 501(c)(3) | 2024 | $571,253 | $93,549 | 2025-12 |
| Islip School Age Child Care Corporation | Human services | 501(c)(3) | 1995 | $455,271 | $445,570 | 2025-06 |
| American Federation of Teachers | 501(c)(5) | 1967 | $294,446 | $137,691 | 2025-08 | |
| Toby Onubogu Foundation Inc | Health care | 501(c)(3) | 2022 | $208,874 | $206,647 | 2023-12 |
| Islip Fire Department | Public safety, disaster preparedness and relief | 501(c)(3) | 2010 | $201,611 | $145,126 | 2025-12 |
| Amplo Family Foundation Inc | Human services | 501(c)(3) | 2023 | $195,432 | $155,420 | 2024-12 |
| Long Island Rage Fastpitch | Recreation and sports | 501(c)(3) | 2020 | $192,572 | $18,941 | 2024-08 |
| Billy Moon Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $148,260 | $238,810 | 2024-12 |
| Parks Foundation of Islip Town Inc | Community improvement and capacity building | 501(c)(3) | 2019 | $142,000 | $80,719 | 2025-12 |
| Guglielmo Marconi Home Lodge 2232 | 501(c)(2) | 1974 | $108,309 | $477,593 | 2025-12 | |
| Islip Breast Cancer Coalition Inc | Science and technology | 501(c)(3) | 1997 | $99,756 | $97,672 | 2025-12 |
| Mission Be Inc | Youth development | 501(c)(3) | 2020 | $99,127 | $51,859 | 2025-12 |
| American Society of Radiologic Technologists | 501(c)(6) | 1967 | $93,022 | $72,891 | 2025-12 | |
| Keep Islip Clean Inc | Environment | 501(c)(3) | 1994 | $86,589 | $72,033 | 2025-12 |
| Rusy Bohm Post No 411 American Legion | Public and societal benefit | 501(c)(19) | 2025 | $75,245 | $83,966 | 2018-05 |
| Islip Food for Hope Inc | Arts, culture and humanities | 501(c)(3) | 2011 | $49,654 | $2,927 | 2025-07 |
| Bravo Foxtrot United Veterans Inc | Mental health and crisis intervention | 501(c)(3) | 2021 | $35,536 | $60 | 2023-11 |
| Rotary International | 501(c)(4) | 1958 | $33,069 | $2,283 | 2025-06 | |
| Sons of Italy in America | 501(c)(8) | 1941 | $29,145 | $19,761 | 2025-12 | |
| Islip Chamber of Commerce | Community improvement and capacity building | 501(c)(6) | 2002 | $25,450 | $15,845 | 2024-12 |
| Beautys Beloved Beasts Wildlife Sanctuary Corp | Animal-related | 501(c)(3) | 2019 | $14,520 | $2,430 | 2024-12 |
| Islip Rotary Supporters Inc | Education | 501(c)(3) | 2006 | $10,522 | $2,546 | 2025-06 |
| Our First Steps To Service Corp | Animal-related | 501(c)(3) | 2025 | $9,582 | $7,821 | 2025-12 |
| Gavins Got Heart Inc | Health care | 501(c)(3) | 2015 | $5,000 | $84,402 | 2025-10 |
| American Federation of Teachers | 501(c)(5) | 1967 | $0 | $0 | 2025-06 | |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2025-09 | |
| B C Fan & M C Peng Memorial Nature & Humanity Foundation | Education | 501(c)(3) | 2008 | $14,162 | 2025-12 | |
| Benevolent & Protective Order of Elks of the USA | Philanthropy, voluntarism and grantmaking foundations | 501(c)(8) | 1951 | $0 | $0 | 2026-03 |
| Camp Northstar Inc | Human services | 501(c)(3) | 2004 | $0 | $0 | 2025-05 |
| Chabad of Islip Township Inc | Religion-related | 501(c)(3) | 2019 | |||
| Chosen Few Ministry Services Inc | Human services | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Civil Service Employees Association | 501(c)(5) | 2000 | $0 | $0 | 2025-09 | |
| Daughters of Wisdom | 501(c)(3) | 1946 | ||||
| Echoes of Ed Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Encore for Animals Inc | Animal-related | 501(c)(3) | 2026 | |||
| Frasier Foundation Inc | Environment | 501(c)(3) | 2024 | |||
| Fresh Fire Ministries Inc | Religion-related | 501(c)(3) | 2002 | |||
| Growing Together Community Gardens | Food, agriculture and nutrition | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Heaven On Earth Ministries Inc | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Historical Society of Islip Hamlet | Arts, culture and humanities | 501(c)(3) | 1998 | $0 | $0 | 2026-06 |
| House of Prayer | 501(c)(3) | 1972 | ||||
| Iglesia Roca de Salvacion Inc | Religion-related | 501(c)(3) | 2008 | |||
| Ignite the Fire Ministries Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 | |
| Inezs Excellent Achievement Foundation Inc | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| International Association of Silver Art Collectors Inc | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Islip Arts and Music Parents Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| Islip Booster Club LTD | Education | 501(c)(3) | 2025 | |||
| Jesse Gerhard Memorial Foundation | Education | 501(c)(3) | 2023 | $26,945 | 2024-12 | |
| Joe Killeen Memorial Foundation | Human services | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Kiwanis Club of the Islips Bay Shore Foundation Inc | Human services | 501(c)(3) | 2018 | $0 | $0 | 2025-09 |
| Long Island Woodturners Association Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Love & Mercy Fellowship | 501(c)(3) | 1988 | ||||
| Mid Island Baptist Temple C O Rev Bob Badertscher | 501(c)(3) | 1977 | ||||
| Missionaries of the Co of Mary | 501(c)(3) | 1946 | ||||
| Music Lovers Club Inc | Arts, culture and humanities | 501(c)(3) | 2011 | $0 | $0 | 2023-06 |
| National Coalition of 100 Blackwomen Long Island Suffolk County CH | Health care | 501(c)(3) | 2006 | $0 | $0 | 2024-06 |
| National Organization of Mothers of Twins Club | 501(c)(3) | 1982 | $0 | $0 | 2025-12 | |
| Navigating the Journey LTD | Mental health and crisis intervention | 501(c)(3) | 2023 | $1,690 | 2025-12 | |
| New York Cto Club Inc | Education | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| Operation Homeless Inc | Human services | 501(c)(3) | 1990 | $0 | $0 | 2025-12 |
| Parsons Landing Boaters Association Inc | Recreation and sports | 501(c)(7) | 2018 | $0 | $0 | 2025-12 |
| Project9line Inc | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Psi Upsilon Fraternity | 501(c)(7) | 1964 | $0 | $0 | 2025-12 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Pta New York Congress | Education | 501(c)(3) | 1954 | $0 | $0 | 2025-06 |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2025-06 | |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2025-06 | |
| Restored Ministries International Inc | Human services | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| Rob Relinger Memorial Scholarship | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Sereen Hair Foundation | Health care | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Shelter Link | Animal-related | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| St Marks Church | 501(c)(3) | 1972 | 2024-12 | |||
| Steuben Society of America | Mutual and membership benefit | 501(c)(4) | 2024 | $0 | $0 | 2025-12 |
| Suffolk Christian League | 501(c)(4) | 1985 | $0 | $0 | 2025-12 | |
| Symphonic Band of Bayshore- | Arts, culture and humanities | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| The Deustch Family Foundation | Public and societal benefit | 501(c)(3) | 2025 | |||
| Trinity Lutheran Church | 501(c)(3) | 1941 | 2016-06 |
By cause in Islip, NY
- Human services 10
- Education 10
- Arts, culture and humanities 5
- Religion-related 4
- Health care 4
- Animal-related 4
- Environment 3
- Philanthropy, voluntarism and grantmaking foundations 3
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.