Nonprofits in Greenwich, Connecticut
Nonprofits in Greenwich, Connecticut. Browse 725 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
- Ianniello Family Charitable Trust
EIN 846886194 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Ibic Institute Inc
EIN 061563868 · Headquarters: GREENWICH, CT, USA · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-PF
- If Hummingbird Foundation Inc
EIN 061314468 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- IFTIKAR Foundation
EIN 461097913 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Impact 100 Fairfield County
EIN 472770533 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Inclusive Abundance Action Inc
EIN 993705569 · Headquarters: GREENWICH, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Inclusive Abundance Initiative Inc
EIN 933864714 · Headquarters: GREENWICH, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Indian Harbor Yacht Club Foundation Inc
EIN 273193524 · Headquarters: GREENWICH, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990
- Indivisible Greenwich Inc
EIN 822097820 · Headquarters: Greenwich, CT, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Inger Foundation Inc
EIN 020711433 · Headquarters: GREENWICH, CT, USA · Medical Research · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Institute for American Ideals Inc
EIN 811063093 · Headquarters: GREENWICH, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Life Coping Skills Incorporated
EIN 237417955 · Headquarters: Greenwich, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Institute for Young Journalists Inc
EIN 061559706 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- International Academic Friends of Israel Inc
EIN 510435358 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Isaac and Cilly Ziering Foundation
EIN 133429634 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Israel Putnam House Association of Connecticut Inc
EIN 237350423 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Ithuriel Fund
EIN 873985820 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Jane Hope Hastings Philanthropic Trust
EIN 207142550 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF
- Jbl Music Foundation
EIN 300121035 · Headquarters: GREENWICH, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- JCC Greenwich Inc
EIN 452457452 · Headquarters: Greenwich, CT, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990
- Jewish Family Services of Greenwich
EIN 061073590 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Jill R Montgomery Memorial Land Trust Inc
EIN 060946975 · Headquarters: Greenwich, CT, US · Environment · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Johan Santana Foundation
EIN 272581810 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- John S Hilson Fam Fund Tr Agreement 4112023
EIN 306743678 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- John T & Sheila B Becker
EIN 066401749 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF
- Johnson-stillman Family Foundation
EIN 137097866 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Jon and Kathy Savitz Foundation
EIN 134052242 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Joseph J and Claire Morrow Charitable Foundation
EIN 223326900 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Jtwinn Builders
EIN 833588164 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Julian Curtiss School Pta
EIN 060994132 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Junior League of Greenwich Conn Inc
EIN 066011964 · Headquarters: GREENWICH, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Kaleidoscope Foundation Inc
EIN 883783364 · Headquarters: Greenwich, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Kanarek Family Foundation C/o Robin Kanarek
EIN 205841285 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Kasama Crinkles Inc
EIN 393250719 · Headquarters: Greenwich, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Keefe Family Foundation
EIN 133520397 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Kidneylife Foundation Inc Dba the Kidney Registry
EIN 260478690 · Headquarters: GREENWICH, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2022 · Primary form: IRS Form 990
- Kids for World Together
EIN 453303084 · Headquarters: Greenwich, CT, USA · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Kim and Martin Sands Family Foundation Inc
EIN 814795851 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Kirmar Foundation
EIN 461626228 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Kiwanis International Inc
EIN 061242176 · Headquarters: Greenwich, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 237546561 · Headquarters: Greenwich, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Knights of Columbus
EIN 822836743 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Knights of Columbus Orinoco Council #39
EIN 237142098 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Kosciuszko Inc
EIN 993691257 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Kozlowski Family Foundation C/o Cheryl M Kozlowski
EIN 020500439 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- KVA Inc
EIN 933954653 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- La Leche League International Inc
EIN 061612904 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Laborers' International Union of North America Local 136
EIN 510224079 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Lady Cards Golf Inc
EIN 881617602 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lakota Youth Arts Center Inc
EIN 453967129 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Langford Foundation
EIN 132792764 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Lax2win Lacrosse Inc
EIN 208944466 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Leaders of the Next Generation
EIN 934720973 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Leadership Exchange Inc
EIN 453694612 · Headquarters: Greenwich, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- League of Women Voters of Connecticut Inc
EIN 066066624 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- League of Women Voters of Greenwich Inc
EIN 237138149 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Liebergesell Foundation Inc
EIN 061468828 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Lions Club of Greenwich
EIN 223007622 · Headquarters: Greenwich, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Lionshare Educational Organization Inc
EIN 263644986 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- Little Wings Foundation Inc
EIN 208910054 · Headquarters: GREENWICH, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Live Foundation Inc
EIN 202951889 · Headquarters: Greenwich, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Living Donor Support Foundation Inc
EIN 882604984 · Headquarters: GREENWICH, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990
- Living Science Center Foundation
EIN 463351428 · Headquarters: GREENWICH, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lone Pine Foundation Inc
EIN 061637040 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Louis and Virginia Clemente Foundationinc
EIN 510163549 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Lower Fairfield Art Center Inc
EIN 455613929 · Headquarters: Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Lucinda Foundation Ltd
EIN 202649712 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Lucky Dog Refuge Inc
EIN 844146698 · Headquarters: GREENWICH, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Ludecus Press
EIN 883649061 · Headquarters: Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Luke Harkness Memorial Fund
EIN 061561024 · Headquarters: GREENWICH, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Lyford Cay Foundation Inc C/o Gilbride Tusa Last & Spellane Llc
EIN 237025275 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990
- Malcolm S Pray Jr Foundation
EIN 222746854 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-PF
- Marie Fauth Charitable Trust C/o Cummings & Lockwood (BCD)
EIN 202576232 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Marsha Lilien Gladstein Foundation
EIN 061581875 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Massive Family Foundation
EIN 332359044 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Math and Ai 4 Girls Inc
EIN 853747363 · Headquarters: GREENWICH, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mattis Family Foundation
EIN 203538795 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mclean Institute of Learning Inc
EIN 272683756 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Meals-on-wheels Inc
EIN 060809614 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Merry Go Round Inc
EIN 060691241 · Headquarters: GREENWICH, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mervat Zahid Cultural Foundation C/o Amira Zahid
EIN 462975291 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Metropoulos Family Foundation
EIN 842835335 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mianus River Watershed Council Inc
EIN 223177286 · Headquarters: Greenwich, CT, US · Environment · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Michael Whittingham Family Foundation
EIN 936450941 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mike's Organicares Inc
EIN 850951291 · Headquarters: GREENWICH, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Mill Reef Fund
EIN 136162947 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990
- Moms Club
EIN 912129007 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Money Marketeers of New York University Inc
EIN 136167899 · Headquarters: Greenwich, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Morris S & Florence H Bender Foundation
EIN 132951469 · Headquarters: Greenwich, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mothers for Others Inc
EIN 814585971 · Headquarters: Greenwich, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Mountain Laurel Drive Owners Association Inc
EIN 223189303 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mulberry Essence Foundation
EIN 812068389 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Musical Hope Foundation Ltd Co Raffaele Fuagno
EIN 261471151 · Headquarters: GREENWICH, CT, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Nancy S Offit Foundation Inc
EIN 821269178 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Nathaniel Witherell Patients Trust Fund
EIN 066204080 · Headquarters: Greenwich, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF
- National Association of Legal Document Preparers Inc
EIN 203470895 · Headquarters: Greenwich, CT, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- National Association of Letter Carriers
EIN 066099227 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National League of Young Men Inc
EIN 882780073 · Headquarters: Greenwich, CT, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- National Society of the Children of the American Revolution
EIN 900430834 · Headquarters: GREENWICH, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- National Society of the Daughters of the American Revolution
EIN 872908878 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N