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Data / Nonprofits / Connecticut / Portland

Nonprofits in Portland, CT: 60 registered with the IRS

60 nonprofits are registered with the IRS in Portland, CT, 41 of them 501(c)(3) charities; the 14 that report revenue took in $6.4 million. The largest by revenue: Roncalli Institute Inc ($4.8 million), Nisei Student Relocation Commemorative Fund ($368,060), Gildersleeve Wheeler Education Fund ($229,394). Most common causes: education (5), recreation and sports (5), human services (4).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Roncalli Institute Inc501(c)(3)1976$4.8 million$9.7 million2025-09
Nisei Student Relocation Commemorative FundEducation501(c)(3)1980$368,060$3.7 million2025-12
Gildersleeve Wheeler Education FundEducation501(c)(3)2006$229,394$3.5 million2025-12
Connecticut Chiropractic Association IncDiseases, disorders and medical disciplines501(c)(6)1993$198,471$97,5842025-09
Jonah Center IncEnvironment501(c)(3)2005$191,199$196,2242026-06
Social Sabby Sponsorships IncYouth development501(c)(3)2019$161,744$78,7582024-12
Noyes School of Rhythm Foundation Incorporated Shepherds NineArts, culture and humanities501(c)(3)1959$117,365$621,7582024-12
Portland Burying Ground AssociationMutual and membership benefit501(c)(13)2006$117,093$861,8092025-12
Swedish Cemetery IncMutual and membership benefit501(c)(13)2006$100,896$595,3162025-12
National Exchange Club501(c)(4)1975$79,061$162,2382025-06
Portland Soccer Club IncRecreation and sports501(c)(3)1998$40,068$67,5552025-06
Friends of the Portland LibraryEducation501(c)(3)1998$33,051$53,5802025-12
Trinity Cemetery Association501(c)(13)1947$14,001$173,5372025-12
A Fight Against IncHuman services501(c)(3)2024
American Legion501(c)(19)1946$0$02025-12
Ancient Free & Accepted Masons of Connecticut501(c)(8)1943$0$02025-11
Aw8ken in Stillness IncHuman services501(c)(3)2025
BT Charities IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2018$0$02025-12
Brownstone Quarry View CompanyArts, culture and humanities501(c)(3)2021$0$02025-12
Brownstone Quarum IncArts, culture and humanities501(c)(3)2002$0$02025-12
Connecticut Military Vehicle Collectors Inc501(c)(3)1991$0$02025-12
Federated Garden Clubs of Connecticut Inc501(c)(3)1967$0$02025-11
Federated Garden Clubs of Connecticut Inc501(c)(3)1967$0$02025-10
Flannery Farms IncAnimal-related501(c)(3)2024$0$02025-12
Friends of Great Hill Pond CT IncEnvironment501(c)(3)2023$0$02025-12
Gateway To Life IncYouth development501(c)(3)2007$0$02025-12
Grace Communion Hamden501(c)(3)1959
Grace and Mercy Family Ministries IncReligion-related501(c)(3)2007
Henry M and Eleanora Pianka Leonard Charitable Foundation TrustPhilanthropy, voluntarism and grantmaking foundations501(c)(3)2012$626,3372025-12
Hillside Association IncRecreation and sports501(c)(7)2017$0$02025-12
Knights of Columbus501(c)(8)2014$0$02024-12
Knights of Columbus501(c)(8)1940$0$02026-06
Ladies of Excellence and Honor IncHuman services501(c)(3)2026
Little League Baseball Inc501(c)(3)1967$0$02025-09
Lovedin501(c)(3)1991
Middlesex County Tax Collectors Association IncCommunity improvement and capacity building501(c)(6)2016$0$02025-12
Ormont Unit 69 American Legion Auxiliary Portland ConnecticutMutual and membership benefit501(c)(19)2014$0$02025-12
PHS Music BoostersEducation501(c)(3)2013$0$02025-12
Portland CT Co 1 Firefighters Association IncPublic safety, disaster preparedness and relief501(c)(4)2010$0$02024-12
Portland Farmers Fish & Game Club IncRecreation and sports501(c)(4)2011$0$02025-12
Portland Fish & Game Foundation IncAnimal-related501(c)(3)2006$0$02025-12
Portland High School Sideliners Inc501(c)(3)1987$0$02025-08
Portland Historical Society Inc501(c)(3)1977$0$02023-11
Portland Hose Co No Two Volunteer Firemens Recreational Asso IncPublic safety, disaster preparedness and relief501(c)(4)1999$0$02025-12
Portland Police Union Local 2693NEmployment501(c)(5)2014$0$02025-12
Portland Sports Hall of Fame IncRecreation and sports501(c)(3)2025
Project Graduation PortlandEducation501(c)(3)2025$0$02025-06
Riverbend Christian FellowshipReligion-related501(c)(3)2002
Roncalli Institute Inc501(c)(3)19762002-09
Roncalli Institute Inc501(c)(3)19762002-09
Roncalli Institute Inc501(c)(3)19762025-09
Roncalli Institute Inc501(c)(3)1976
Roncalli Institute Inc501(c)(3)1976
Roncalli Institute Inc501(c)(3)1976
Surviving Bullies Charity IncHuman services501(c)(3)2007$0$02025-06
Tau Kappa Epsilon Fraternity IncRecreation and sports501(c)(7)2004$0$02025-05
Teachers Association of Japanese Educational Institute of New YorlEmployment501(c)(5)2019$0$02026-03
Veterans of Foreign War of the United States Dept of ConnecticutPublic and societal benefit501(c)(19)2025$0$02025-06
Zion Lutheran Church501(c)(3)19882013-12
Roncalli Institute Inc501(c)(3)1976$-32,586$1.7 million2025-09

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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.