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Data / Nonprofits / Connecticut / Haddam

Nonprofits in Haddam, CT: 19 registered with the IRS

19 nonprofits are registered with the IRS in Haddam, CT, 19 of them 501(c)(3) charities; the 9 that report revenue took in $4.8 million. The largest by revenue: Connecticut Resource Conservation and Development Area Inc ($1.7 million), Brainerd Memorial Library Association Inc ($1.5 million), Criterion Institute Inc ($1 million). Most common causes: education (3), environment (3), human services (3).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Connecticut Resource Conservation and Development Area IncEnvironment501(c)(3)1978$1.7 million$1.3 million2025-06
Brainerd Memorial Library Association IncEducation501(c)(3)1942$1.5 million$3.8 million2025-06
Criterion Institute Inc501(c)(3)2012$1 million$120,0422023-12
Haddam Land Trust IncEnvironment501(c)(3)1966$209,875$3.6 million2024-12
Haddam Historical SocietyArts, culture and humanities501(c)(3)1964$114,116$480,2222024-12
Salem Global Foundation IncHuman services501(c)(3)2022$111,059$114,9202025-12
Haddam Cooperative Nursery Association IncEducation501(c)(3)1969$67,395$36,9932026-06
Radiant Destiny InternationalHuman services501(c)(3)2013$41,518$24,9082025-12
Blue Fire Stage CompanyArts, culture and humanities501(c)(3)2019$15,598$12,5752025-12
Camp Bethel Association Inc501(c)(3)1994
Connecticut Junior Women Inc501(c)(3)$0$02025-06
Conquer Brain Tumors IncMedical research501(c)(3)2018$0$02025-12
Haddam Citizens for Scouting IncYouth development501(c)(3)2014$0$02025-12
Middlesex County Extension Council IncorporatedEmployment501(c)(3)1962$0$02025-12
Nathaniel B Field Memorial FoundationMental health and crisis intervention501(c)(3)2015$0$02024-12
Ray Lamay Memorial FoundationHuman services501(c)(3)2022$0$02024-07
Riverquest IncEnvironment501(c)(3)2015$0$02025-12
Sean Darmody Greene Social Justice ScholarshipEducation501(c)(3)2023$7,5232025-01
Valley Bible Evangelical Free Church of Haddam Inc501(c)(3)1965

By cause in Haddam, 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.