Nonprofits in Connecticut
Nonprofits in Connecticut. Browse 26,993 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- The Moses M and Hannah L Malkin Foundation
EIN 650712228 · Headquarters: MILFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- The Moskowitz Foundation Inc
EIN 222857092 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Mt Moro Foundation
EIN 270323111 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Muddy Brook Fire Department Incorporated
EIN 223340016 · Headquarters: East Woodstock, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Multiple Myeloma Research Foundation Inc
EIN 061504413 · Headquarters: NORWALK, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Murphy Foundation Inc
EIN 472859621 · Headquarters: Branford, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Murray and Lois Hicks Charitable Foundation Inc
EIN 461366602 · Headquarters: RIDGEFIELD, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Music Lab
EIN 811925405 · Headquarters: North Canaan, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Music Note Kids Club Inc
EIN 850997396 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- The Music School at Sound Crossing
EIN 472596942 · Headquarters: WINDSOR, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- The Musicians Association of Eastern Ct Local 285-403 Afm
EIN 060620343 · Headquarters: COLCHESTER, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Musketeers Inc
EIN 922996116 · Headquarters: New Canaan, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Mustard Seed Farm
EIN 453770045 · Headquarters: DANIELSON, CT, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- The Mustard Seed Foundation
EIN 476775024 · Headquarters: Trumbull, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Mystic Whaler Foundation Inc
EIN 030612168 · Headquarters: New London, CT, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- The Nagen Project Inc
EIN 851370517 · Headquarters: BLOOMFIELD, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Naina Foundation
EIN 830917940 · Headquarters: FAIRFIELD, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Nancy and Andrew Jarecki Charitable Trust and Foundation
EIN 137224559 · Headquarters: Darien, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Nancy Galvani Foundation Inc C/o Alison P Galvani
EIN 473956539 · Headquarters: WOODBRIDGE, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- The Natalia Crespo Eirin Foundation Inc
EIN 208085538 · Headquarters: Wilton, CT, USA · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- The Natalie Foundation Inc
EIN 992919526 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Nathan & Helen Kohler Foundation
EIN 136161880 · Headquarters: Old Lyme, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Nathan Lounsbury Foundation Inc
EIN 465189937 · Headquarters: DANBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2017 · Primary form: IRS Form 990
- The National Conference for Community & Justice of Connecticut and Western Mass
EIN 141937658 · Headquarters: MIDDLETOWN, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Natural Guard
EIN 521656756 · Headquarters: new haven, CT, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- The Naugatuck Historical Society
EIN 061427269 · Headquarters: NAUGATUCK, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Naugatuck Valley Beagle Club Inc
EIN 061400185 · Headquarters: Beacon Falls, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Near and Far Association Inc
EIN 237036523 · Headquarters: SOUTHPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Neighborhood Preschool Inc
EIN 061092003 · Headquarters: MIDDLETOWN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Neighbors and Newcomers of Westport
EIN 237191817 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The Nej and Mascolo Family Foundation Inc
EIN 272197622 · Headquarters: BEACON FALLS, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Nelaura O & Richard T Lewis Foundation
EIN 222794432 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF
- The Nest Sanctuary For Women
EIN 853271600 · Headquarters: Madison, CT, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- The New 34Th Charitable Corp
EIN 262268616 · Headquarters: WALLINGFORD, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The New American Dream Foundation Inc
EIN 811540774 · Headquarters: DANBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- The New Britain Dental Society Incorporated
EIN 066041120 · Headquarters: BERLIN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The New Canaan Country School Incorporated
EIN 060646765 · Headquarters: NEW CANAAN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Canaan Historical Society Inc
EIN 060727288 · Headquarters: NEW CANAAN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Canaan Library Inc
EIN 060646764 · Headquarters: NEW CANAAN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Church of Signs and Wonders Deliverance Ministries
EIN 461213612 · Headquarters: Bridgeport, CT, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- The New Clinical Program Development Corporation
EIN 061565494 · Headquarters: NEW HAVEN, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New England Adolescent Treatment Center Inc
EIN 060872470 · Headquarters: NIANTIC, CT, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- The New England Quarter Horse Association Inc
EIN 061548218 · Headquarters: DURHAM, CT, USA · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ
- The New Fairfield Community Thrift Shop Inc
EIN 061400786 · Headquarters: NEW FAIRFIELD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Hartford Womans Club Inc
EIN 371549706 · Headquarters: New Hartford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The New Haven Guardians
EIN 394219559 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The New Haven Kiwanis Club Foundation Inc
EIN 223014869 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The New Haven Regional Leadership Council Inc
EIN 061005809 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Haven Scholarship Fund Inc
EIN 066049938 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Haven Society of Model Engineers Incorporated
EIN 066068212 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The New Hope Fire Company
EIN 060667209 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Jewish Home
EIN 061398129 · Headquarters: BRANFORD, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- The New London and Norwich Bldg Trades Council and Vicinity
EIN 237105346 · Headquarters: MERIDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The New London Community Meal Center Inc
EIN 222768679 · Headquarters: NEW LONDON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Milford Chamber of Commerce
EIN 060790947 · Headquarters: NEW MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The New Milford Hospital Inc
EIN 060669121 · Headquarters: New Milford, CT, USA · Health Care · Latest available filing year: 2013 · Primary form: IRS Form 990
- The New Paradigm Theatre Company Inc C/o Martin Decruze & Company
EIN 453834269 · Headquarters: STAMFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Newcomb-hargraves Foundation C/o Newcomb & Hargraves
EIN 316650840 · Headquarters: LYME, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Newcomers Club of Madison Connecticut Inc
EIN 222715069 · Headquarters: Madison, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Newport Foundation Incorporated
EIN 061583150 · Headquarters: Bloomfield, CT, US · Health Care · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- The Newtown Kennel Club Incorporated C/o Jan Purdy Treasurer
EIN 060799284 · Headquarters: DANBURY, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Niblack Foundation
EIN 527323778 · Headquarters: Westport, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Nicholas Foundation
EIN 066485716 · Headquarters: WATERBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Nicholas V Perricone Charitable Foundation Inc
EIN 743061313 · Headquarters: MERIDEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Nico Mallozzi Memorial Fund Inc
EIN 841861327 · Headquarters: NORWALK, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- The Ninth District Veterans Association Inc
EIN 060672078 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- The Nirenberg Foundation Inc C/o First Merchants Group
EIN 223059287 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Non-profit Rental Housing Corporation
EIN 061421674 · Headquarters: DANBURY, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Noroton Fire Department Incorporated
EIN 222667419 · Headquarters: Darien, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Noroton Heights Fire Department Incorporated
EIN 061445427 · Headquarters: Darien, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- The North Haven Columbus Club Inc
EIN 061097632 · Headquarters: North Haven, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990
- The North Haven Education Foundation Inc
EIN 201384312 · Headquarters: North Haven, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- The North Stonington Volunteer Fire Company Inc
EIN 066037708 · Headquarters: NORTH STONINGTON, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Northeast Childrens Theatre Company Inc
EIN 452499804 · Headquarters: WESTPORT, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- The Northeastern Connecticut Community Development Corporation Inc
EIN 060903918 · Headquarters: PLAINFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Northern Fairfield County Assoc of Realtors Community Foundation Inc
EIN 823783541 · Headquarters: BETHEL, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Northern New England School of Religious Education
EIN 046049990 · Headquarters: HAMDEN, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- The Northern Star Foundation Inc
EIN 061484678 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Northwest Music Association
EIN 371535719 · Headquarters: Salisbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- The Norwalk Art Space Inc
EIN 863340267 · Headquarters: NORWALK, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Norwalk Conservatory of the Arts Inc
EIN 862159959 · Headquarters: NORWALK, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Norwalk Hospital Association
EIN 066068853 · Headquarters: NORWALK, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- The Norwalk Stamp Club Incorporated
EIN 061182012 · Headquarters: Norwalk, CT, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- The Norwalk Symphony Society Inc
EIN 060860604 · Headquarters: Norwalk, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Norwalk Youth Symphony Inc
EIN 066070039 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Norwich Free Academy
EIN 060762783 · Headquarters: NORWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Novick Family Foundation
EIN 526913046 · Headquarters: WEST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- The Noyes School of Rhythm Foundation Inc
EIN 060761708 · Headquarters: PORTLAND, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Nutmeg Foundation Inc
EIN 311794110 · Headquarters: WEST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The O'herron Family Foundation
EIN 133244207 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Oak Hill Foundation Inc
EIN 861169503 · Headquarters: HARTFORD, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- The Oaklawn Foundationinc
EIN 136127896 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Obp Community Fund Inc
EIN 464898540 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Ocean View Foundation Inc
EIN 223636378 · Headquarters: COS COB, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The October Hill Foundation Inc
EIN 137049883 · Headquarters: NEWTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Ohnell Family Foundation
EIN 223219022 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- The Olcott & Lucy Smith Foundation Inc
EIN 066064116 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- The Old Church Cemetery Association of South Glastonbury Conn
EIN 066049208 · Headquarters: S GLASTONBURY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- The Old Newgate Coon Club Inc
EIN 060601138 · Headquarters: NORFOLK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- The Old Oak Trust
EIN 066487646 · Headquarters: WESTPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF