Data / Nonprofits / Massachusetts / Williamstown
Nonprofits in Williamstown, MA: 84 registered with the IRS
84 nonprofits are registered with the IRS in Williamstown, MA, 74 of them 501(c)(3) charities; the 33 that report revenue took in $616.6 million. The largest by revenue: Williams College ($528.8 million), Sterling & Francine Clark Art Inst ($59.4 million), Williamstown Theatre Foundation Inc ($5.5 million). Most common causes: arts, culture and humanities (15), education (9), recreation and sports (7).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Williams College | Education | 501(c)(3) | 1934 | $528.8 million | $5.54 billion | 2025-06 |
| Sterling & Francine Clark Art Inst | Arts, culture and humanities | 501(c)(3) | 1951 | $59.4 million | $760.7 million | 2025-06 |
| Williamstown Theatre Foundation Inc | Arts, culture and humanities | 501(c)(3) | 1956 | $5.5 million | $11.1 million | 2024-12 |
| Buxton School Inc | Education | 501(c)(3) | 1961 | $5.5 million | $5.7 million | 2025-06 |
| Lasagna Love Inc | Food, agriculture and nutrition | 501(c)(3) | 2020 | $4.4 million | $180,447 | 2024-12 |
| Williamstown Art Conservation Center Inc | Arts, culture and humanities | 501(c)(3) | 1978 | $2.4 million | $8.1 million | 2025-06 |
| Pine Cobble School Inc | Education | 501(c)(3) | 1946 | $2.4 million | $10.4 million | 2025-06 |
| Community Images Inc | Arts, culture and humanities | 501(c)(3) | 1998 | $1.8 million | $2.9 million | 2025-12 |
| Williamstown Community Preschool Inc | Human services | 501(c)(3) | 1973 | $945,185 | $2.1 million | 2025-06 |
| Roomful of Teeth Vocal Arts Project Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $884,885 | $340,556 | 2026-07 |
| Northern Berkshire Medical PC | Health care | 501(c)(3) | 2017 | $863,311 | $381,281 | 2025-09 |
| Williamstown Community Chest | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1946 | $721,574 | $2.6 million | 2025-09 |
| Williamstown Youth Center Inc | Youth development | 501(c)(3) | 1972 | $715,577 | $5 million | 2025-06 |
| Williamstown Rural Land Foundation | Environment | 501(c)(3) | 1987 | $472,030 | $6 million | 2024-12 |
| Sand Springs Recreation Center Inc | Recreation and sports | 501(c)(3) | 2024 | $247,524 | $549,595 | 2025-12 |
| Pop Cares Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2013 | $223,395 | $376,027 | 2025-12 |
| Willinet Inc | Arts, culture and humanities | 501(c)(3) | 1995 | $223,000 | $288,684 | 2025-06 |
| Friends of the Williamstown Public Library | 501(c)(3) | 1994 | $172,388 | $587,782 | 2024-12 | |
| Institute for the Quantitative Study of Inclusion Diversity and | Education | 501(c)(3) | 2019 | $164,483 | $6,056 | 2024-12 |
| Berkshires Academy for Advanced Mus Ical Studies Inc | Arts, culture and humanities | 501(c)(3) | 2026 | $121,954 | $23,489 | 2025-06 |
| Williamstown Chamber of Commerce | Community improvement and capacity building | 501(c)(6) | 1990 | $115,403 | $116,586 | 2024-12 |
| Cobble Hill Farm Education and Rescue Center | Animal-related | 501(c)(3) | 2023 | $109,578 | $2,562 | 2023-12 |
| Hoosic River Watershed Association Inc | Environment | 501(c)(3) | 1987 | $93,289 | $264,484 | 2025-12 |
| Williamstown Meetinghouse Preservation Fund Inc | Public and societal benefit | 501(c)(3) | 2021 | $84,386 | $43,725 | 2025-12 |
| National Association of Dance and Affiliated Arts Inc | Arts, culture and humanities | 501(c)(3) | 2002 | $69,404 | $92,083 | 2025-06 |
| Store at Five Corners Stewardship Association Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $66,108 | $994,909 | 2025-12 |
| Purple Valley Aquatics Club Inc | Recreation and sports | 501(c)(3) | 2024 | $64,260 | $14,368 | 2025-12 |
| Liberal Arts Diversity Officers Consortium Inc | Community improvement and capacity building | 501(c)(3) | 2018 | $58,975 | $100,775 | 2023-06 |
| Remedy Hall | Human services | 501(c)(3) | 2023 | $56,418 | $18,404 | 2025-09 |
| Williamstown Historical Museum | 501(c)(3) | 1954 | $52,115 | $467,516 | 2025-12 | |
| Garden Club Federation of Massachusetts Inc | Environment | 501(c)(3) | 2004 | $17,300 | $127,652 | 2026-06 |
| American Legion Auxiliary | 501(c)(19) | 1946 | $5,359 | $6,797 | 2026-03 | |
| Institute for the Visualization of History Inc | Arts, culture and humanities | 501(c)(3) | 2001 | $1,244 | $6,979 | 2024-12 |
| Aiki Extensions Inc | Recreation and sports | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Alice Shaver Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $14.6 million | 2025-12 | |
| American Guild of Organists | 501(c)(3) | 1968 | $0 | $0 | 2025-06 | |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| Asis International Inc | Community improvement and capacity building | 501(c)(6) | 1978 | $0 | $0 | 2025-12 |
| Bahais of Williamstown Town | 501(c)(3) | 1995 | ||||
| Bayit - Building Jewish | 501(c)(3) | 2020 | $0 | $0 | 2023-12 | |
| Berkshire Ajax Soccer Club | Recreation and sports | 501(c)(3) | 2024 | |||
| Berkshire Helping Hands Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Chabad of Williamstown | Religion-related | 501(c)(3) | 2026 | |||
| Chang Chavkin Charitable Foundation | Education | 501(c)(3) | 2018 | $1.4 million | 2024-12 | |
| Chaos Theory Inc | Arts, culture and humanities | 501(c)(3) | 2023 | $8,058 | 2024-12 | |
| Christmas Brook Figure Skating Club Inc | 501(c)(3) | 1980 | $0 | $0 | 2025-12 | |
| Citizen Media Inc | Community improvement and capacity building | 501(c)(3) | 2015 | $0 | $0 | 2025-06 |
| Community Bible Church | 501(c)(3) | 1991 | ||||
| Country Dance & Song Society Inc | 501(c)(3) | 1993 | $0 | $0 | 2025-12 | |
| East Mountain Sportsmans Club Inc | Recreation and sports | 501(c)(7) | 2016 | $0 | $0 | 2025-12 |
| Fairbanks Family Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $5.9 million | 2025-12 | |
| First Baptist Church | 501(c)(3) | 1955 | ||||
| First Congregational Church | 501(c)(3) | 1964 | 2013-12 | |||
| Fund for New World Development Inc | International, foreign affairs and national security | 501(c)(3) | 2012 | $194,990 | 2025-12 | |
| Information Trust Exchange Governing Association | Public and societal benefit | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| Jazz in the Berkshires Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $65 | 2024-12 | |
| Jericho Valley Co-Op Inc | Education | 501(c)(3) | 2025 | |||
| League of Women Voters of Massachusetts | 501(c)(4) | 1969 | $0 | $0 | 2024-12 | |
| Master Wardens & Members of the Grand Lodge of Masons in Mass | 501(c)(10) | 1954 | $0 | $0 | 2026-08 | |
| Mohawk Soaring Club Inc | Science and technology | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Mount Greylock Educators Association | Employment | 501(c)(5) | 2014 | $0 | $0 | 2025-08 |
| Mt Greylock Ski Club Inc | Recreation and sports | 501(c)(7) | 2013 | $0 | $0 | 2025-04 |
| New Phoenix Inc | 501(c)(3) | 1990 | $0 | $0 | 2025-12 | |
| Northern Berkshire Chorale | Arts, culture and humanities | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Overland Summers Foundation | Youth development | 501(c)(3) | 2018 | $132,872 | 2024-12 | |
| Reading Institute Inc | Education | 501(c)(3) | 2000 | $0 | $0 | 2024-12 |
| Roam Africa Conservation | Animal-related | 501(c)(3) | 2025 | |||
| Rotary Club of Williamstown Foundation Inc | Education | 501(c)(3) | 2009 | $0 | $0 | 2025-06 |
| Rotary International | 501(c)(4) | 1966 | $0 | $0 | 2025-06 | |
| Saint Raphaels Rectory | 501(c)(3) | 1946 | ||||
| Saints Patrick & Raphael Parish | 501(c)(3) | 1946 | ||||
| Samson Guitars Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2025 | |||
| Shirley Brownrigg Charitable Trust Uw Fbo Shirley Brownrigg | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1995 | $2.1 million | 2025-12 | |
| Society for the Study of Japanese Religions | Arts, culture and humanities | 501(c)(3) | 2018 | $0 | $0 | 2026-01 |
| South Williamstown Community Association Inc | 501(c)(3) | 1985 | $0 | $0 | 2025-12 | |
| St Kateri Institute Inc | 501(c)(3) | 1946 | $0 | $0 | 2025-06 | |
| St Patricks Church | 501(c)(3) | 1946 | ||||
| Taconic Valley Christian Fellowship Inc | Religion-related | 501(c)(3) | 2017 | |||
| Tdiyou Incorporated | Public and societal benefit | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| The@milton and Dorothy Sarnoff Raymond Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $13.2 million | 2025-12 | |
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Tori Rumbolt Athletic Scholarship | Education | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Williams Sideline Quarterback Club Inc | Human services | 501(c)(3) | 2024 | |||
| Williamstown Soccer Club Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
By cause in Williamstown, MA
- Arts, culture and humanities 15
- Education 9
- Recreation and sports 7
- Philanthropy, voluntarism and grantmaking foundations 7
- Community improvement and capacity building 4
- Environment 3
- Human services 3
- Public and societal benefit 3
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.