Data / Nonprofits / Connecticut / Marlborough
Nonprofits in Marlborough, CT: 37 registered with the IRS
37 nonprofits are registered with the IRS in Marlborough, CT, 23 of them 501(c)(3) charities; the 13 that report revenue took in $2.3 million. The largest by revenue: Marlborough Elementary Child Care Association Inc ($688,273), Richmond Memorial Library Association Inc ($504,928), Marlborough Association for Senior Housing Inc ($233,974). Most common causes: recreation and sports (3), arts, culture and humanities (3), education (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Marlborough Elementary Child Care Association Inc | 501(c)(3) | 1985 | $688,273 | $925,999 | 2025-06 | |
| Richmond Memorial Library Association Inc | Education | 501(c)(3) | 1943 | $504,928 | $609,266 | 2025-06 |
| Marlborough Association for Senior Housing Inc | 501(c)(3) | 1982 | $233,974 | $922,241 | 2024-06 | |
| Roy B Pettengill Ambulance Association Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2004 | $208,761 | $1.1 million | 2025-12 |
| Marlborough Volunteer Fire Company Incorporated | 501(c)(4) | 1976 | $164,760 | $446,429 | 2026-03 | |
| Marlborough Cooperative Nursery School Inc | 501(c)(3) | 1975 | $98,863 | $76,018 | 2025-06 | |
| American Legion | 501(c)(19) | 1946 | $98,518 | $114,333 | 2025-06 | |
| Society for Management Information Systems | 501(c)(6) | 2001 | $93,192 | $114,069 | 2025-12 | |
| The Young Peoples Center for Creative Arts Inc | Arts, culture and humanities | 501(c)(3) | 2007 | $84,513 | $18,766 | 2025-12 |
| Marlborough Food Bank Inc | Food, agriculture and nutrition | 501(c)(3) | 2019 | $74,453 | $195,084 | 2025-12 |
| Elite Meet Inc | Public and societal benefit | 501(c)(3) | 2017 | $62,284 | $25,298 | 2023-12 |
| Marlborough Parent-Teacher Organization Incorporated | Education | 501(c)(3) | 1988 | $10,791 | $58,566 | 2026-06 |
| Foundation of Possibilities | Education | 501(c)(3) | 2014 | $3,270 | $15,294 | 2024-12 |
| Bilal Muslim Mission of America | Religion-related | 501(c)(3) | 1994 | |||
| Congregational Church of Marlborough | 501(c)(3) | 1964 | ||||
| Connecticut Building Officials Association Incorporated | Community improvement and capacity building | 501(c)(6) | 2000 | $0 | $0 | 2025-06 |
| Connecticut Conservation Officers Association Inc | 501(c)(5) | 1991 | $0 | $0 | 2025-12 | |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2025-08 | |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2025-06 | |
| Connecticut Federation of School Administrators | Employment | 501(c)(5) | 2005 | $0 | $0 | 2026-06 |
| Dignity Home Projects | Housing and shelter | 501(c)(3) | 2026 | |||
| Eastern Connecticut Skeet Club Inc | 501(c)(4) | 1992 | $0 | $0 | 2025-12 | |
| Fellowship Community Evangelical Free Church | 501(c)(3) | 1965 | ||||
| Fighting the Good Fight On Hunger and Homelessness Inc | Human services | 501(c)(3) | 2019 | $0 | $0 | 2025-06 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $0 | $0 | 2026-06 | |
| International Yan Xin Qigong Association | Science and technology | 501(c)(3) | 1992 | $0 | $0 | 2025-12 |
| Knights of Columbus | Mutual and membership benefit | 501(c)(8) | 1940 | $0 | $0 | 2025-12 |
| Lindbergh Flyers Inc | Recreation and sports | 501(c)(7) | 2024 | $0 | $0 | 2025-12 |
| Marlborough Arts Center & Museum Inc | Arts, culture and humanities | 501(c)(3) | 1997 | $0 | $0 | 2026-06 |
| Marlborough Historical Society | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-10 |
| Moms Club | Human services | 501(c)(3) | 2001 | $0 | $0 | 2026-06 |
| New Testament Christian Church | Religion-related | 501(c)(3) | 1995 | |||
| Northeast Colleges and Universities Security Association Inc | 501(c)(6) | 1984 | $0 | $0 | 2025-12 | |
| Pcu Idaho SSN 799 Cpoa | Mutual and membership benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Stonecrest Beach Club Inc | Recreation and sports | 501(c)(7) | 1999 | $0 | $0 | 2026-05 |
| The Church of St John Fisher Marlborough | 501(c)(3) | 1946 | ||||
| Tri County Babe Ruth League Inc | Recreation and sports | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
By cause in Marlborough, 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.