Data / Nonprofits / New York / Mount Sinai
Nonprofits in Mount Sinai, NY: 44 registered with the IRS
44 nonprofits are registered with the IRS in Mount Sinai, NY, 32 of them 501(c)(3) charities; the 20 that report revenue took in $19.8 million. The largest by revenue: Cemetery Gardens Inc-Washington Memorial Park ($13 million), Port Jefferson Volunteer Ambulance Inc ($3.5 million), Special Needs Alliance Inc ($644,184). Most common causes: recreation and sports (7), religion-related (6), community improvement and capacity building (4).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Cemetery Gardens Inc-Washington Memorial Park | 501(c)(13) | 1949 | $13 million | $47 million | 2024-12 | |
| Port Jefferson Volunteer Ambulance Inc | 501(c)(3) | 1978 | $3.5 million | $1.9 million | 2024-12 | |
| Special Needs Alliance Inc | Community improvement and capacity building | 501(c)(6) | 2008 | $644,184 | $689,449 | 2024-12 |
| Troopers Memorial Fund Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2014 | $489,846 | $631,818 | 2025-10 |
| Mount Sinai Muslim Center Inc | Religion-related | 501(c)(3) | 2010 | $319,261 | $2 million | 2025-12 |
| Independent Railway Supervisors Association | 501(c)(5) | $307,240 | $363,135 | 2025-12 | ||
| American Federation of Teachers | 501(c)(5) | 1967 | $294,453 | $779,887 | 2025-08 | |
| Mount Sinai Booster Club Inc | Education | 501(c)(3) | 2008 | $229,887 | $194,866 | 2025-07 |
| Long Island Fencers Club Inc | Recreation and sports | 501(c)(3) | 2022 | $227,042 | $102,758 | 2025-12 |
| Port Jefferson Lodge No 1379 Loyal Order of Moose | Mutual and membership benefit | 501(c)(8) | 2022 | $216,749 | $1.9 million | 2026-04 |
| Mount Sinai Volunteer Fire Company Benevolent Association Inc | Public safety, disaster preparedness and relief | 501(c)(4) | 2018 | $135,160 | $879,741 | 2025-12 |
| Agape Meals for Kids Inc | Food, agriculture and nutrition | 501(c)(3) | 2022 | $98,032 | $103,247 | 2025-12 |
| Family Autism Network Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2019 | $73,926 | $87,591 | 2025-12 |
| Mount Sinai Volunteer Fire Company Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2011 | $73,231 | $278,682 | 2024-12 |
| Run To Breakthrough Inc | Community improvement and capacity building | 501(c)(3) | 2024 | $51,642 | $10,760 | 2024-12 |
| Mount Sinai Special Education Parent Teacher Organization | Education | 501(c)(3) | 2024 | $43,761 | $32,189 | 2025-12 |
| Mount Sinai Friends of the Arts | Arts, culture and humanities | 501(c)(3) | 2017 | $37,660 | $37,483 | 2025-06 |
| Suffolk County High School Principals Association Inc | Education | 501(c)(3) | 2019 | $37,313 | $14,229 | 2024-12 |
| American Academy of Orthotists and Prosthetists Inc Nys Chapter | 501(c)(3) | 1989 | $24,197 | $29,767 | 2024-12 | |
| New York Premier League Inc | Recreation and sports | 501(c)(3) | 2022 | $5,250 | $5,941 | 2025-12 |
| Alertamerica News Corporation | Public safety, disaster preparedness and relief | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Alliance of Hope Ministries Inc | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2026-01 |
| Battle Tech Pros Inc | Employment | 501(c)(3) | 2024 | $0 | $1 | 2024-12 |
| Brookhaven Super Senior Softball League Association | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Civil Service Employees Association | 501(c)(5) | 1947 | $0 | $0 | 2025-09 | |
| Civil Service Employees Association Inc | 501(c)(5) | 1970 | $0 | $0 | 2025-09 | |
| Declaration of Trust By and Between the Society of Saint Francis | Religion-related | 501(c)(3) | 2006 | |||
| Friends of Port Fidelis Boat Club I NC | Recreation and sports | 501(c)(3) | 2026 | |||
| Fuzzy Babies | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Garifuna Excellence Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2024 | |||
| Hope Ministries Inc | Religion-related | 501(c)(3) | 1995 | |||
| Long Island Cpcu Society Chapter Inc | Community improvement and capacity building | 501(c)(6) | 1999 | $0 | $0 | 2025-12 |
| Mount Sinai Sailing Association Inc | Recreation and sports | 501(c)(7) | 2025 | $0 | $0 | 2025-12 |
| Nahian Foundation of USA Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Nami Huntington Incorporated | Mental health and crisis intervention | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| New York Cranx Foundation Inc | Recreation and sports | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| North Shore Elite Cheer | Recreation and sports | 501(c)(3) | 2026 | |||
| Port Jefferson Chapter 901 Women of the Moose | 501(c)(8) | 1935 | $0 | $0 | 2026-04 | |
| Shalom Interfaith Project Inc | Religion-related | 501(c)(3) | 2014 | |||
| Supporting Wellness of Law Enforcem Ent Incorporated | Human services | 501(c)(3) | 2026 | |||
| Temple Beth Emeth | 501(c)(3) | 1987 | ||||
| The Mount Sinai Civic Association Inc | Community improvement and capacity building | 501(c)(4) | 2007 | $0 | $0 | 2025-05 |
| The Order of Poor Clares of Reparation Inc | 501(c)(3) | 1988 | ||||
| United for Life Inc | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-07 |
By cause in Mount Sinai, NY
- Recreation and sports 7
- Religion-related 6
- Community improvement and capacity building 4
- Public safety, disaster preparedness and relief 4
- Education 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.