Data / Nonprofits / New Hampshire / Marlborough
Nonprofits in Marlborough, NH: 16 registered with the IRS
16 nonprofits are registered with the IRS in Marlborough, NH, 8 of them 501(c)(3) charities; the 1 that report revenue took in $307,480. The largest by revenue: Caterpillar Lab Inc ($307,480).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Caterpillar Lab Inc | Education | 501(c)(3) | 2016 | $307,480 | $192,819 | 2025-03 |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| Ames Automotive Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $16.5 million | 2025-12 | |
| Federated Church of Marlborough | 501(c)(3) | 1974 | 2013-12 | |||
| Friends of Frost Free Library | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of Martin Meadow Pond | Environment | 501(c)(4) | 2016 | $0 | $0 | 2025-12 |
| Friends of the Arboretm at Ashuelot River Park | Environment | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2024-11 | |
| Marine Corps League | Community improvement and capacity building | 501(c)(4) | 1946 | $0 | $0 | 2026-06 |
| Marine Corps League | 501(c)(4) | 1946 | $0 | $0 | 2026-06 | |
| Marine Corps League | 501(c)(4) | 1946 | $0 | $0 | 2026-06 | |
| Marlborough Garden Club | Community improvement and capacity building | 501(c)(4) | 2001 | $0 | $0 | 2025-12 |
| Marlborough Historical Society Incorporated | Arts, culture and humanities | 501(c)(3) | 1995 | $0 | $0 | 2026-08 |
| Marlborough School District Endowment Fund | 501(c)(3) | 1998 | $0 | $0 | 2025-12 | |
| Monadnock Area Foster Parent Association | 501(c)(3) | 1991 | $0 | $0 | 2025-06 | |
| New Hampshire State Grange of the Order of Patrons of Husbandry | 501(c)(8) | 1972 | $0 | $0 | 2024-09 |
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.