Data / Nonprofits / Connecticut / Griswold
Nonprofits in Griswold, CT: 25 registered with the IRS
25 nonprofits are registered with the IRS in Griswold, CT, 19 of them 501(c)(3) charities; the 4 that report revenue took in $915,743. The largest by revenue: Camp Wightman Camping & Conference Center ($625,152), The Pachaug Outdoor Club Incorporated ($144,287), Pachaug Cemetery Association Inc ($97,011). Most common causes: education (4), recreation and sports (4), animal-related (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Camp Wightman Camping & Conference Center | Recreation and sports | 501(c)(3) | 2022 | $625,152 | $903,557 | 2024-12 |
| The Pachaug Outdoor Club Incorporated | 501(c)(7) | 1986 | $144,287 | $754,161 | 2024-12 | |
| Pachaug Cemetery Association Inc | 501(c)(13) | 1980 | $97,011 | $573,738 | 2024-12 | |
| The Masonic Building Corporation | Mutual and membership benefit | 501(c)(3) | 2010 | $49,293 | $44,069 | 2025-12 |
| Base Camp Foundation for First Generation Students Inc | Education | 501(c)(3) | 2022 | $247 | 2025-12 | |
| Black Moon Wildlife Inc | Animal-related | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Connecticut Chapter of the American Chestnut Foundation Inc | 501(c)(3) | 1994 | $0 | $0 | 2025-12 | |
| Connecticut Education Association | 501(c)(5) | 1971 | $0 | $0 | 2025-06 | |
| Connecticut Federation of School Administrators | Employment | 501(c)(5) | 2005 | $0 | $0 | 2024-06 |
| Connecticut Interscholastic Wrestling Officials Association | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2026-04 |
| Friends of Pachaug Forest Inc | Environment | 501(c)(3) | 2018 | $0 | $0 | 2026-06 |
| Griswold Booster Club Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2026-06 |
| Griswold Elementary School Pto | Education | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Griswold High School Project Safegraduation | Education | 501(c)(3) | 2006 | $0 | $0 | 2025-07 |
| International Church Norwich Inc | 501(c)(3) | 1983 | ||||
| Kids Philippines Inc | Human services | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Michael Domian Memorial Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| New England Intercollegiate Wrestling Officials Association in | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| No Warrior Forgotten Inc | Public and societal benefit | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| Pachaug Wildlife Rehabilitation | Animal-related | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Quinebaug River Community Development Corp | Youth development | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Quinebaug River Holding Corporation | Community improvement and capacity building | 501(c)(2) | 2018 | $0 | $0 | 2025-12 |
| Ravens Nest Rescue and Rehabilitation | Animal-related | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| South Dakota FRG | Public and societal benefit | 501(c)(4) | 2019 | $0 | $0 | 2025-12 |
| Time To Tri Youth Foundation | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
By cause in Griswold, 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.