Data / Nonprofits / Connecticut / Thomaston
Nonprofits in Thomaston, CT: 43 registered with the IRS
43 nonprofits are registered with the IRS in Thomaston, CT, 33 of them 501(c)(3) charities; the 10 that report revenue took in $1.8 million. The largest by revenue: Thomaston Volunteer Ambulance Corps Inc ($489,883), Landmark Community Theatre ($371,900), Friends of the Thomaston Opera House Inc ($268,628). Most common causes: arts, culture and humanities (7), education (4), philanthropy, voluntarism and grantmaking foundations (4).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Thomaston Volunteer Ambulance Corps Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 1996 | $489,883 | $129,283 | 2025-06 |
| Landmark Community Theatre | Arts, culture and humanities | 501(c)(3) | 2010 | $371,900 | $339,731 | 2024-12 |
| Friends of the Thomaston Opera House Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $268,628 | $114,290 | 2024-12 |
| Thomaston Fish & Game Club | Recreation and sports | 501(c)(7) | 2004 | $200,889 | $883,801 | 2025-12 |
| Railroad Museum of New England Inc | Arts, culture and humanities | 501(c)(3) | 1973 | $174,685 | $2.6 million | 2024-12 |
| Thomastonvolunteer Fire Department Incorporated | 501(c)(3) | 1982 | $141,925 | $198,814 | 2025-01 | |
| Rotary Club of Thomaston Connecticut Incorporated | Education | 501(c)(3) | 2014 | $72,949 | $367,126 | 2025-06 |
| Little League Baseball Inc | 501(c)(3) | 1967 | $56,755 | $30,633 | 2025-09 | |
| Rotary International | 501(c)(4) | 1966 | $14,447 | $9,617 | 2025-06 | |
| Education Enrichment Fund of Thomaston Inc | 501(c)(3) | 1990 | $13,874 | $312,711 | 2025-12 | |
| American Dental Assistants Association | Education | 501(c)(6) | 1969 | $0 | $0 | 2025-12 |
| American Turkish Islamic Cultural Center | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Celone Wildlife Preservation & Protection | Animal-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Connecticut Alliance of City Police | Employment | 501(c)(5) | 2015 | $0 | $0 | 2025-12 |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2025-06 | |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2023-06 | |
| Families in Crisis Inc | 501(c)(3) | 1979 | $0 | $0 | 2026-06 | |
| Fine Arts Connection of Thomaston Inc | Arts, culture and humanities | 501(c)(3) | 2000 | $0 | $0 | 2026-06 |
| First Congregational Church | Religion-related | 501(c)(3) | 2011 | 2006-12 | ||
| Friends of the Thomaston Public Library Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Hermiones Home Inc | Animal-related | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Justin B Weaver Scholarship Fund Inc | Education | 501(c)(3) | 2019 | $9,300 | 2024-12 | |
| Lotus Learning Center Inc | Human services | 501(c)(3) | 2025 | |||
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1938 | $0 | $0 | 2025-12 | |
| Our Savior Lutheran Church | 501(c)(3) | 1987 | ||||
| Parent Teacher Association of Connecticut Inc | Education | 501(c)(3) | 1955 | $0 | $0 | 2025-06 |
| Rotary Club of Litchfield Morris Co Nnecticut Inc | Community improvement and capacity building | 501(c)(4) | 2025 | $0 | $0 | 2025-12 |
| Saint Maximilian Kolbe Parish Corporation | 501(c)(3) | 1946 | ||||
| Seth Thomas-Brad Street House Inc | Arts, culture and humanities | 501(c)(3) | 2026 | $12,341 | 2025-12 | |
| St Thomass Church | 501(c)(3) | 1946 | ||||
| The Covenant Church-Thomaston CT | 501(c)(3) | 1975 | ||||
| The National Exchange Club | 501(c)(4) | 1980 | ||||
| Thomaston Administrators Assoc | Employment | 501(c)(5) | 2016 | $0 | $0 | 2026-06 |
| Thomaston Christmas Committee | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Thomaston Community Pantry | Food, agriculture and nutrition | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Thomaston Historical Society Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Thomaston Liederkranz Mens Club Inc | 501(c)(7) | 1991 | $0 | $0 | 2025-12 | |
| Thomaston Lions Club | Public and societal benefit | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Thomaston Soccer Club Inc | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2026-08 |
| Thomaston Womans Club | Human services | 501(c)(3) | 2016 | $0 | $0 | 2024-06 |
| Thomston Savings Bank Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $9.5 million | 2025-12 | |
| Widows Sons Branded Riding Club Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
| Word of Life Family Church Inc | Religion-related | 501(c)(3) | 2009 |
By cause in Thomaston, CT
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.