Data / Nonprofits / New Hampshire / Newmarket
Nonprofits in Newmarket, NH: 47 registered with the IRS
47 nonprofits are registered with the IRS in Newmarket, NH, 39 of them 501(c)(3) charities; the 18 that report revenue took in $39.4 million. The largest by revenue: Lamprey Health Care Inc ($32.6 million), New England Grassroots Environment Fund Inc ($3.4 million), Childvoice International ($1.2 million). Most common causes: education (7), arts, culture and humanities (6), health care (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Lamprey Health Care Inc | Health care | 501(c)(3) | 1973 | $32.6 million | $18.6 million | 2025-09 |
| New England Grassroots Environment Fund Inc | Environment | 501(c)(3) | 2000 | $3.4 million | $8.2 million | 2024-12 |
| Childvoice International | International, foreign affairs and national security | 501(c)(3) | 2010 | $1.2 million | $227,237 | 2025-06 |
| Lynx Educational Foundation | Arts, culture and humanities | 501(c)(3) | 2004 | $464,204 | $207,687 | 2025-06 |
| American Citizenship Club for Polish Descendants | 501(c)(7) | 1975 | $350,398 | $182,855 | 2025-12 | |
| American Legion | 501(c)(19) | 1946 | $338,323 | $551,688 | 2025-12 | |
| Friends of Lamprey Health Care Inc | Health care | 501(c)(3) | 1980 | $285,018 | $3 million | 2025-09 |
| Linked Together | Human services | 501(c)(3) | 1996 | $219,141 | $527,103 | 2025-06 |
| On Belay Inc | Human services | 501(c)(3) | 2008 | $213,818 | $234,099 | 2025-12 |
| National Rural Letter Carriers N H State | 501(c)(5) | 1972 | $98,965 | $260,552 | 2026-06 | |
| Sensory Awareness Foundation | 501(c)(3) | 1972 | $79,214 | $426,697 | 2025-12 | |
| Lamprey Arts and Culture Alliance | Arts, culture and humanities | 501(c)(3) | 2006 | $61,845 | $55,332 | 2025-12 |
| New Hampshire Congress of Parents and Teachers | 501(c)(3) | 1995 | $52,914 | $43,930 | 2026-06 | |
| Newmarket Youth Athletics Association | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $43,800 | $16,749 | 2024-06 |
| Internet Systems Consortium Inc | Science and technology | 501(c)(3) | 2005 | $27,409 | $132,218 | 2024-12 |
| New Hampshire Association of School Psychologists | 501(c)(6) | 1990 | $22,160 | $49,629 | 2025-06 | |
| New Hampshire Grange Foundation | Education | 501(c)(3) | 2010 | $14,002 | $116,652 | 2025-06 |
| Live Free Or Die Chapter-Namknights NH | Public and societal benefit | 501(c)(3) | 2014 | $1,975 | $3,925 | 2025-12 |
| American Legion Auxiliary | 501(c)(19) | 1946 | $0 | $0 | 2026-06 | |
| Aryaloka Buddhist Center Inc | Religion-related | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| Boston Netsuite User Group Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Chad William Young Foundation | Education | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Extreme Air of New Hampshire | Recreation and sports | 501(c)(3) | 2005 | $0 | $0 | 2026-06 |
| Foundation Newmarket | Housing and shelter | 501(c)(3) | 2025 | $0 | $0 | 2025-09 |
| Friends of Newmarket Recreation Inc | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Friends of the Newmarket Library | Education | 501(c)(3) | 2015 | $0 | $0 | 2026-06 |
| Mavens Journey | Health care | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Mercy Church | Religion-related | 501(c)(3) | 2026 | |||
| New Hampshire Basketball Coaches Organization | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2025-09 |
| New Market Historical Society | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Newmarket 300 | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Newmarket Athletic Boosters | Education | 501(c)(3) | 2025 | |||
| Newmarket Business Association Inc | Community improvement and capacity building | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Newmarket Community Church | 501(c)(3) | 1955 | ||||
| Newmarket Community Development Corp | Community improvement and capacity building | 501(c)(3) | 1984 | $0 | $0 | 2025-12 |
| Newmarket Community Education Partnership | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $0 | $0 | 2025-12 |
| Newmarket Evangelical Baptist Church | 501(c)(3) | 1984 | ||||
| Newmarket Main Street Corporation | Arts, culture and humanities | 501(c)(3) | 1998 | $0 | $0 | 2025-12 |
| Newmarket Music Boosters | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Newmarket Police Relief Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | |||
| Newmarket Support Staff | Education | 501(c)(5) | 2024 | $0 | $0 | 2026-07 |
| Nhtca-Nhctca Joint Certification Program | Education | 501(c)(4) | 2010 | |||
| Public Good Exchange | Environment | 501(c)(3) | 2026 | |||
| Saint Mary Parish | 501(c)(3) | 1946 | ||||
| Seacoast Beekeepers Association of New Hampshire | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Swim for Change | Religion-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Veterans of Foreign Wars Department of New Hampshire | 501(c)(19) | 1963 | $0 | $0 | 2025-12 |
By cause in Newmarket, NH
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.