Data / Nonprofits / Connecticut / Middlefield
Nonprofits in Middlefield, CT: 27 registered with the IRS
27 nonprofits are registered with the IRS in Middlefield, CT, 22 of them 501(c)(3) charities; the 10 that report revenue took in $6.2 million. The largest by revenue: Independent Day School Incorporated ($4.2 million), Levi E Coe Library Association ($435,063), Middlefield Childrens Center Inc ($404,228). Most common causes: recreation and sports (4), education (4).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Independent Day School Incorporated | Education | 501(c)(3) | 1962 | $4.2 million | $4.6 million | 2025-06 |
| Levi E Coe Library Association | Education | 501(c)(3) | 1960 | $435,063 | $536,368 | 2026-06 |
| Middlefield Childrens Center Inc | 501(c)(3) | 1989 | $404,228 | $17,107 | 2025-12 | |
| Boulanger Foundation Inc | Human services | 501(c)(3) | 2023 | $343,471 | $1.9 million | 2025-12 |
| Durham-Middlefield Youth & Family Services Inc | 501(c)(3) | 1994 | $254,728 | $172,421 | 2025-06 | |
| Connecticut Association of Assessing Officers Inc | 501(c)(6) | 1991 | $209,825 | $93,780 | 2025-12 | |
| Middlefield Volunteer Fire Company Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2015 | $176,404 | $240,160 | 2025-06 |
| Coginchaug Soccer Club | Recreation and sports | 501(c)(3) | 2003 | $100,743 | $45,543 | 2024-12 |
| Durham Middlefield Youth Footballand Cheerleading | Recreation and sports | 501(c)(3) | 2007 | $78,313 | $21,239 | 2024-12 |
| Harp Guitar Foundation | Arts, culture and humanities | 501(c)(3) | 2009 | $7,176 | $19,581 | 2025-12 |
| Adaptive Adventures Inc | Recreation and sports | 501(c)(3) | 2026 | |||
| Brotherhood of Maintenance of Way Employees | 501(c)(5) | 1966 | $0 | $0 | 2026-03 | |
| Charles B Merwin Fund | Education | 501(c)(3) | 2014 | $281,463 | 2025-12 | |
| Connecticut Gilbert & Sullivan Society | 501(c)(3) | 1981 | $0 | $0 | 2025-12 | |
| Connecticut Satsang Society Inc | 501(c)(3) | 1975 | ||||
| Connecticut Temple of Eck | 501(c)(3) | 1975 | ||||
| Grand Boule of the Sigma Pi Phi Fraternity | 501(c)(10) | 2010 | ||||
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2026-06 | |
| Kids 4 Public Service - U2 Can Do Math | Youth development | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Memorial School Parent Teacher Council | Education | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Middlefield Historical Society | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2026-06 |
| Middlesex County Farm Bureau Inc % MRS William Mintz | 501(c)(5) | 1961 | $0 | $0 | 2025-09 | |
| Shifting Strides Inc | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| The Boyle Family Foundation Co | Youth development | 501(c)(3) | 2026 | |||
| The Degennaro Trust Inc | Recreation and sports | 501(c)(3) | 2026 | |||
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Victory Christian Tabernacle Incorporated | 501(c)(3) | 1989 |
By cause in Middlefield, CT
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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.