Data / Nonprofits / New York / Rockville Center / Mutual and membership benefit
Mutual and membership benefit nonprofits in Rockville Center, NY: 5 registered with the IRS
5 mutual and membership benefit nonprofits are registered with the IRS in Rockville Center, NY, 2 of them 501(c)(3) charities; the 3 that report revenue took in $38.9 million. The largest by revenue: RVC Insurance Company Inc ($38.6 million), St Albans Lodge 56 ($211,859), Lynbrook-Massapequa Lodge No 822 F and Am ($76,935).
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 | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|
| RVC Insurance Company Inc | 501(c)(3) | 2009 | $38.6 million | $422 million | 2024-12 |
| St Albans Lodge 56 | 501(c)(10) | 2022 | $211,859 | $3.9 million | 2025-12 |
| Lynbrook-Massapequa Lodge No 822 F and Am | 501(c)(10) | 2026 | $76,935 | $863,972 | 2025-12 |
| Ecclesia Assurance Company | 501(c)(3) | 2005 | |||
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-06 |
Other causes in Rockville Center, NY
- Philanthropy, voluntarism and grantmaking foundations 14
- Education 13
- Human services 13
- Religion-related 12
- Arts, culture and humanities 8
- Health care 7
- Recreation and sports 6
- Community improvement and capacity building 6
- Employment 5
- Public and societal benefit 4
- Youth development 4
- International, foreign affairs and national security 4
- Mental health and crisis intervention 3
- Medical research 3
Every nonprofit in Rockville Center, NY · Mutual and membership benefit 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.