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
- Greenwich Academy Inc
EIN 060653118 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Adult Day Care Inc
EIN 061066787 · Headquarters: COS COB, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Adult Day Care Trust Fund
EIN 222894544 · Headquarters: COS COB, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwich Alliance for Education Inc
EIN 204356460 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Art Society Inc
EIN 066075070 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Arts Council Inc
EIN 237224200 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Association of Realtors Inc
EIN 060699086 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Athletic Association
EIN 222711260 · Headquarters: Cos Cob, CT, USA · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Greenwich Baseball Foundation Inc
EIN 870788868 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Greenwich Basketball Association Inc
EIN 061390590 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Bible Study Association
EIN 061287156 · Headquarters: GREENWICH, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Boat & Yacht Club Inc
EIN 237334077 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwich Botanical Center Inc
EIN 066068606 · Headquarters: COS COB, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Business Club Inc Brien
EIN 272471651 · Headquarters: GREENWICH, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Greenwich Cardinals Youth Hockey Associa
EIN 222659549 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Catholic Education Trust
EIN 066128204 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Center for Hope and Renewal Inc
EIN 205770507 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Chamber of Commerce Inc
EIN 060289770 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwich Chaplaincy Services Inc
EIN 066104975 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Greenwich Choral Society Inc
EIN 066036343 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Christian Preschool Inc
EIN 471631790 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Community Foundation
EIN 994149462 · Headquarters: COS COB, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Community Gardens Inc
EIN 453758450 · Headquarters: GREENWICH, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Greenwich Community Projects Fund Inc
EIN 223092506 · Headquarters: COS COB, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwich Council Boy Scouts of America Incorporated
EIN 060646654 · Headquarters: GREENWICH, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Country Club
EIN 060374900 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwich Country Day School Inc
EIN 060646657 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Dental Society Inc
EIN 061529074 · Headquarters: GREENWICH, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Greenwich Department of Human Services Fund Inc
EIN 821950012 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Greenwich Distinguished Teachers Award Committee Inc
EIN 061160007 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Greenwich Education Association
EIN 060867892 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Education Group's School Foundation Inc
EIN 454034368 · Headquarters: STAMFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Greenwich Emergency Medical Service Inc
EIN 222721171 · Headquarters: RIVERSIDE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Exchange for Womens Work
EIN 060653272 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Greenwich Fire Fighters Association Local 1042
EIN 066063265 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Flag Football Inc
EIN 392425828 · Headquarters: GREENWICH, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwich Forum on Nuclear Arms Control Inc
EIN 061071404 · Headquarters: Riverside, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Greenwich Forward Inc
EIN 821940988 · Headquarters: Greenwich, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Greenwich Girls Flag Football Inc
EIN 392234444 · Headquarters: GREENWICH, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwich Girls Rugby
EIN 862792646 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Green & Clean Inc
EIN 061187787 · Headquarters: GREENWICH, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Greenwich Health Care Services Inc
EIN 222593399 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990
- Greenwich High School Sports Foundation Inc
EIN 300177313 · Headquarters: Cos Cob, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich High School Student Loan Fund Inc
EIN 066071060 · Headquarters: OLD GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Historical Society Inc
EIN 066036049 · Headquarters: COS COB, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Hockey Club Ltd
EIN 383882000 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Greenwich Horseneck Club Inc
EIN 061341763 · Headquarters: COS COB, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Hospital
EIN 060646659 · Headquarters: GREENWICH, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Greenwich International Film Festival Inc
EIN 463500058 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Jr Babe Ruth League
EIN 061217127 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Greenwich Junior Premier Field Hockey Inc
EIN 863999780 · Headquarters: Greenwich, CT, USA · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Greenwich Kennel Club
EIN 061074344 · Headquarters: NORWALK, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Greenwich Kids Triathlon
EIN 421558596 · Headquarters: Cos Cob, CT, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Greenwich Municipal Employees Association
EIN 223048370 · Headquarters: Greenwich, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Greenwich Music Festival Company
EIN 202597105 · Headquarters: Old Greenwich, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ
- Greenwich Neurological Institute Inc
EIN 611805513 · Headquarters: Greenwich, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Newcomers & Neighbors Inc
EIN 061390430 · Headquarters: Riverside, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Opera Inc
EIN 994678247 · Headquarters: COS COB, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Greenwich Performing Arts Studio Inc
EIN 934586693 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Greenwich Point Conservancy Inc
EIN 300229904 · Headquarters: OLD GREENWICH, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwich Police Scholarship Fund
EIN 066068607 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Preservation Trust Inc
EIN 263616589 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Professional Firefighters Benevolent Fund Inc
EIN 462184743 · Headquarters: greenwich, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Greenwich Property Owners Association Inc
EIN 465667347 · Headquarters: Cos Cob, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Public Health Nurses Association Greenwich Connecticut
EIN 061084165 · Headquarters: Riverside, CT, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Greenwich Public Schools Honor Choir Booster Club Inc
EIN 261313745 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Greenwich Rebounders Club
EIN 475322505 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Greenwich Retirees Eating & Tarrying Society
EIN 061215236 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich Riding & Trails Association Inc
EIN 060762558 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Roundtable Inc
EIN 651164239 · Headquarters: Greenwich, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990
- Greenwich Safe Cycling
EIN 061612323 · Headquarters: Cos Cob, CT, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Greenwich Sailing School Inc
EIN 873923796 · Headquarters: OLD GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Scholarship Association Inc
EIN 061467698 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Science Center Inc
EIN 261354960 · Headquarters: Redding, CT, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Greenwich Sentinel Foundation Inc
EIN 813577313 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Greenwich Skating Club Inc
EIN 060703613 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Soccer Association
EIN 222610893 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- Greenwich Spanish School Corporation the Greenwich Spanish School Gss
EIN 271109956 · Headquarters: OLD GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Symphony Orchestra Inc
EIN 066107766 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Town Party Inc
EIN 453555667 · Headquarters: OLD GREENWICH, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Track and Field Club Inc
EIN 814269117 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Greenwich World Hunger Association
EIN 061020719 · Headquarters: GREENWICH, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Greenwich Youth Lacrosse Inc
EIN 061500051 · Headquarters: GREENWICH, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwich Ypg
EIN 454135735 · Headquarters: Stamford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Greenwood Cemetery Association
EIN 464057698 · Headquarters: Burlington, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990
- Greenwoods Counseling & Referrals Inc
EIN 061351190 · Headquarters: Litchfield, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greenwoods Scholarship Foundation
EIN 060979169 · Headquarters: Winsted, Connecticut, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Greg Willmott Foundation Inc
EIN 833271653 · Headquarters: Bethel, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Gregory T Spagnoletti Memorial Foundation
EIN 061633779 · Headquarters: PLANTSVILLE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Greyhound Pets of America Connecticut Greyhound Adoption
EIN 202307522 · Headquarters: NORTH BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Greystone Foundation Inc
EIN 874232807 · Headquarters: Avon, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- Gridiron Club of New Canaan Inc
EIN 201070894 · Headquarters: New Canaan, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Griff 4 Congress
EIN 874754243 · Headquarters: TORRINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Griff Harris Mens Golf Club
EIN 464085550 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Griffin Faculty Physicians Inc
EIN 061463147 · Headquarters: DERBY, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Griffin Health Services Corporation
EIN 222560257 · Headquarters: DERBY, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Griffin Healthcare Inc
EIN 222560248 · Headquarters: Derby, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Griffin Hospital
EIN 060647014 · Headquarters: DERBY, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990
- Griffin Hospital Development Fund Inc
EIN 222560254 · Headquarters: DERBY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Griffins Hope
EIN 394752762 · Headquarters: Colebrook, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N