Data / Nonprofits / New York / Mastic
Nonprofits in Mastic, NY: 38 registered with the IRS
38 nonprofits are registered with the IRS in Mastic, NY, 34 of them 501(c)(3) charities; the 10 that report revenue took in $3.5 million. The largest by revenue: Mastic Volunteer Ambulance Company Inc ($2.6 million), Mastic Fire Department ($303,507), Civil Service Employees Association ($205,952). Most common causes: arts, culture and humanities (6), religion-related (6), recreation and sports (5).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Mastic Volunteer Ambulance Company Inc | Health care | 501(c)(3) | 2006 | $2.6 million | $4.4 million | 2024-12 |
| Mastic Fire Department | Public safety, disaster preparedness and relief | 501(c)(3) | 2009 | $303,507 | $772,125 | 2025-12 |
| Civil Service Employees Association | 501(c)(5) | 1970 | $205,952 | $98,455 | 2025-09 | |
| Legworks Dance Competition Inc | Arts, culture and humanities | 501(c)(3) | 2016 | $118,986 | $20,261 | 2024-12 |
| Esm High School Ice Hockey Inc | Youth development | 501(c)(3) | 2025 | $70,735 | $13,636 | 2024-12 |
| Mastic Sports Club | Recreation and sports | 501(c)(3) | 2024 | $67,907 | $29,449 | 2024-10 |
| James V Kavanaugh Columbian Club Inc | Mutual and membership benefit | 501(c)(10) | 2021 | $27,766 | $80,865 | 2025-12 |
| Fabulous 50S & 60S Nostalgia Car Club | Community improvement and capacity building | 501(c)(3) | 2024 | $26,193 | $25,606 | 2025-12 |
| Poospatuck Cultural Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2017 | $15,000 | $32,758 | 2025-12 |
| Honor Our Indigenous Ancestors Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $4,101 | $1,784 | 2025-12 |
| Caitlyns Vision Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Calvary Presbyterian Korean Church in New York | 501(c)(3) | 1992 | ||||
| Civil Service Employees Association | 501(c)(5) | 1966 | $0 | $0 | 2024-09 | |
| Civil Service Employees Association | 501(c)(5) | 1970 | $0 | $0 | 2025-09 | |
| Cysl Leah | 501(c)(3) | 2002 | ||||
| Daena Foundation Inc | Religion-related | 501(c)(3) | 2025 | |||
| East End Memorial Soccer Tournament Inc | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Guide for Kids Corporation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| Heavenly Vision Ministry | Religion-related | 501(c)(3) | 1999 | |||
| Indigo Ministries Inc | Religion-related | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Logos Global Networks Inc | Religion-related | 501(c)(3) | 2001 | |||
| Long Island Immigrant Student Advocates Inc | Education | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Mastic Ambulance Benevolent Association Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Mastic Congregation of Jehovahs Witnesses | 501(c)(3) | 1981 | ||||
| Mastic Peninsula Historical Society | Arts, culture and humanities | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Omega Family Church Inc | 501(c)(3) | 1972 | ||||
| Paumanok Adgonquain Foundation Inc Poosepatuck Indian Reservation | 501(c)(3) | 1980 | $0 | $0 | 2023-12 | |
| Philadelphia Jesus Christ Is Lord G Od Inc | Religion-related | 501(c)(3) | 2026 | |||
| Shaheem Bluedabarber363 Foundation Inc | Community improvement and capacity building | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Team Rise Together Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| The Friends of the William Floyd Estate Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| United Local and Global Ministries Inc | Religion-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Unkechaug Nation Community Development | Community improvement and capacity building | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Vigilant Truck Engine Company 3 Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| William Floyd Community Summit | Community improvement and capacity building | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
| William Floyd Soccer Academy Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| William Floyd Wrestling Booster Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| William Floyd Youth Lacrosse Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
By cause in Mastic, NY
- Arts, culture and humanities 6
- Religion-related 6
- Recreation and sports 5
- Community improvement and capacity building 4
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.