Data / Nonprofits / Maine / Limestone
Nonprofits in Limestone, ME: 12 registered with the IRS
12 nonprofits are registered with the IRS in Limestone, ME, 9 of them 501(c)(3) charities; the 1 that report revenue took in $379,439. The largest by revenue: Maine School of Science and Mathematics Foundation ($379,439). Most common causes: education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Maine School of Science and Mathematics Foundation | Education | 501(c)(3) | 1994 | $379,439 | $995,478 | 2025-06 |
| American Federation of Government Employees | Employment | 501(c)(5) | 1940 | $0 | $0 | 2023-12 |
| Ancient Free & Accepted Masons of Maine | 501(c)(10) | 1941 | $0 | $0 | 2026-03 | |
| Association for Computing Machinery | 501(c)(3) | 1968 | ||||
| Friends of Aroostook National Wildlife Refuge Inc | Environment | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Friends of the Robert A Frost Memorial Library | Education | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Limestone Assembly of God | 501(c)(3) | 1964 | ||||
| Limestone Development Foundation in | Community improvement and capacity building | 501(c)(3) | 1981 | $0 | $0 | 2025-12 |
| Limestone-Caswell Historical Society | Arts, culture and humanities | 501(c)(3) | 1989 | $0 | $0 | 2026-01 |
| Maine Parent Teacher Association | Education | 501(c)(3) | 2026 | $0 | $0 | 2024-06 |
| T & D Rescue Inc | Animal-related | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
By cause in Limestone, ME
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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.