Data / Nonprofits / New York / Ronkonkoma / Employment
Employment nonprofits in Ronkonkoma, NY: 6 registered with the IRS
6 employment nonprofits are registered with the IRS in Ronkonkoma, NY, 0 of them 501(c)(3) charities; the 6 that report revenue took in $3.1 million. The largest by revenue: National Pulic Employees Union ($1.8 million), United Service Employees Union Local 1222 ($674,639), United Public Service Employees Union - Local 424M ($298,701).
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 |
|---|---|---|---|---|---|
| National Pulic Employees Union | 501(c)(5) | 2013 | $1.8 million | $366,404 | 2025-10 |
| United Service Employees Union Local 1222 | 501(c)(5) | 1999 | $674,639 | $315,563 | 2025-12 |
| United Public Service Employees Union - Local 424M | 501(c)(5) | 2013 | $298,701 | $159,799 | 2024-12 |
| United Professional Service Employees Union Local 1222P | 501(c)(5) | 2015 | $136,202 | $16,801 | 2025-12 |
| County Plumbers Inc | 501(c)(2) | 2004 | $122,200 | $1.4 million | 2025-12 |
| Plumbers Local 200 Labor Management Cooperation Fund | 501(c)(5) | 2005 | $94,700 | $270,486 | 2025-12 |
Other causes in Ronkonkoma, NY
- Recreation and sports 16
- Human services 15
- Education 12
- Mental health and crisis intervention 11
- Housing and shelter 10
- Religion-related 8
- Youth development 4
- Crime and legal-related 4
- Environment 4
- Arts, culture and humanities 4
- Community improvement and capacity building 3
Every nonprofit in Ronkonkoma, NY · Employment 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.