Data / Nonprofits / Connecticut / Harwinton
Nonprofits in Harwinton, CT: 37 registered with the IRS
37 nonprofits are registered with the IRS in Harwinton, CT, 31 of them 501(c)(3) charities; the 9 that report revenue took in $1.9 million. The largest by revenue: Harwinton Ambulance Association Inc ($715,532), Harwinition Agriculturl Society ($392,426), Friends Room ($209,539). Most common causes: public safety, disaster preparedness and relief (3), human services (3), education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Harwinton Ambulance Association Inc | Health care | 501(c)(3) | 2003 | $715,532 | $374,751 | 2026-06 |
| Harwinition Agriculturl Society | Recreation and sports | 501(c)(3) | 2019 | $392,426 | $912,990 | 2024-11 |
| Friends Room | Human services | 501(c)(3) | 2022 | $209,539 | $72,705 | 2024-12 |
| Harwinton West Side Vol Fire Dept | Public safety, disaster preparedness and relief | 501(c)(3) | 2000 | $199,159 | $189,861 | 2025-06 |
| Harwinton Volunteer Fire Department Incorporation | Public safety, disaster preparedness and relief | 501(c)(3) | 2003 | $142,873 | $495,758 | 2025-12 |
| Kingdom Game Club Inc | Recreation and sports | 501(c)(7) | 2002 | $105,663 | $792,489 | 2026-03 |
| High Riders Snowmobile Club Inc | Public safety, disaster preparedness and relief | 501(c)(7) | 2014 | $75,199 | $482,032 | 2024-02 |
| Hysa Inc | 501(c)(3) | 1994 | $60,856 | $56,533 | 2025-06 | |
| Alliance for Collaborative Equity Inc | Civil rights, social action and advocacy | 501(c)(3) | 2019 | $0 | $0 | 2024-04 |
| American Legion | 501(c)(19) | 1946 | $0 | $0 | 2024-12 | |
| Bronc Callahan Community Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Church of the Immaculate Heart of Mary | 501(c)(3) | 1946 | ||||
| Concerned Citizens for Humanity | Diseases, disorders and medical disciplines | 501(c)(3) | 1996 | $0 | $0 | 2024-06 |
| Connecticut Trail Rides Assoc Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Federated Garden Clubs of Connecticut Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-12 | |
| GFWC the Harwinton Womans Club Inc | Human services | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Gifted Alliance Incorporated | Education | 501(c)(3) | 2026 | |||
| Good Day Animal Rescue and Sanctuar Y Inc | Animal-related | 501(c)(3) | 2026 | |||
| Harwinton Historical Society Inc | 501(c)(3) | 1972 | $0 | $0 | 2025-12 | |
| Harwinton Land Conservation Trust Inc | 501(c)(3) | 1973 | $0 | $0 | 2025-12 | |
| Harwinton Library Friends Inc | 501(c)(3) | 1987 | $0 | $0 | 2026-08 | |
| Hope for Fallen Leaves Inc | Human services | 501(c)(3) | 2013 | $7,172 | 2025-12 | |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2026-06 | |
| La Leche League International Inc | 501(c)(3) | 1979 | $0 | $0 | 2026-03 | |
| La Leche League International Inc | 501(c)(3) | 1979 | $0 | $0 | 2026-03 | |
| Litchfield Hills Camera Club Inc | 501(c)(7) | 1994 | $0 | $0 | 2026-08 | |
| Love for Meow Inc | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| New Haven Bird Club Incorporated | 501(c)(3) | 1980 | $0 | $0 | 2026-03 | |
| Northwest Connecticut Sportsmans Land Trust Inc | Environment | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Pickleball for Parkinsons of Connec Ticut | Public and societal benefit | 501(c)(3) | 2026 | |||
| SBF Animal Rescue Inc | Animal-related | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Savoy Gives Foundation | Mental health and crisis intervention | 501(c)(3) | 2026 | $0 | $0 | 2025-10 |
| Sons of Union Veterans of the Civil War | 501(c)(4) | 1941 | $0 | $0 | 2025-12 | |
| Soul Anchor Foundation | Arts, culture and humanities | 501(c)(3) | 2020 | $274,705 | 2025-12 | |
| Steven Sylvester Scholarship Fund | Education | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Theodore A Hungerford Memorial Museum Association Incorporated | 501(c)(3) | 1981 | $0 | $0 | 2025-12 | |
| Pta Connecticut Congress | Education | 501(c)(3) | 2018 | $-6,315 | $95,904 | 2026-06 |
By cause in Harwinton, CT
- Public safety, disaster preparedness and relief 3
- Human services 3
- Education 3
- Recreation and sports 3
- Animal-related 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.