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
- Guilford Sailing Foundation Inc
EIN 843682072 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Guilford Scholarship Association Incorporated
EIN 066067844 · Headquarters: GUILFORD, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Guilford Sportsmen's Association Inc
EIN 060851933 · Headquarters: NORTH BRANFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Guilford Taekwon-do
EIN 464757364 · Headquarters: Branford, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Guilford Temple Association Inc
EIN 237368198 · Headquarters: GUILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Guilford Volunteer Fire Department
EIN 811237736 · Headquarters: Guilford, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Guilford Yacht Club Association Inc
EIN 066049176 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Guilford Youth Basketball League
EIN 061181763 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Guilford Youth Lacrosse Association Inc
EIN 470960674 · Headquarters: GUILFORD, CT, USA · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Guilford Youth Mentoring Association Inc
EIN 200421442 · Headquarters: Guilford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- GuilfordSmithMemorialLibraryAssnInc
EIN 060776274 · Headquarters: South Windham, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Guinea Union Society
EIN 464378078 · Headquarters: WEST HAVEN, CT, US · Human Services · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Gujarati Association of Connecticut Inc
EIN 202350953 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990
- Gungywamp Society Inc
EIN 222488517 · Headquarters: Colchester, CT, US · Arts, Culture & Humanities · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Gunn Memorial Library Inc
EIN 060691373 · Headquarters: WASHINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Gunnar and Lorraine Johansen Charitable Trust James P Colias Trustee
EIN 201840176 · Headquarters: STAMFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Gunnar Johnson Ogden Fund Inc
EIN 061167702 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Guns Down Books Up Inc
EIN 454973771 · Headquarters: New Haven, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Guns of Norwich Historical Society Inc
EIN 061496888 · Headquarters: Norwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Guru Tegh Bahadur Ji Foundation
EIN 061393039 · Headquarters: Norwalk, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Gus Robotics Team Inc
EIN 320266681 · Headquarters: Meriden, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Gutta Inc
EIN 921249180 · Headquarters: Norwich, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Guy Carducci Foundation Inc
EIN 994644833 · Headquarters: Stratford, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Gwendolen Orton-jones Trust Under Will
EIN 066389217 · Headquarters: ESSEX, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Gwenlin Animal Relief Program
EIN 871558415 · Headquarters: ANDOVER, CT, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Gws Inc
EIN 061297313 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Gy6 Initiative Inc
EIN 472169694 · Headquarters: BETHEL, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Gymnastics Revolution Parents Association Inc
EIN 870720731 · Headquarters: Brookfield, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990
- H a Vance Foundation Inc C/o Conifer Investments Ltd
EIN 061355463 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- H E L P for Pets Inc
EIN 061288825 · Headquarters: Danbury, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- H H Ellis Tech Booster Club Parent Faculty Organization
EIN 061221420 · Headquarters: Danielson, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- H Smith Richardson Golf Club
EIN 061535402 · Headquarters: Fairfield, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- H-k Cougars Touchdown Club
EIN 202203664 · Headquarters: Higganum, CT, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- H2o Planet Inc
EIN 331633754 · Headquarters: East Granby, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- H3 Foundation Inc
EIN 472395215 · Headquarters: STAMFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- H5R1 Inc
EIN 851158521 · Headquarters: Stamford, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Habib University Foundation US
EIN 453218399 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habilatative Resource Services Inc
EIN 061388666 · Headquarters: Woodbridge, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Habitat for Humanity International Inc
EIN 061322104 · Headquarters: New Milford, CT, US · Housing & Shelter · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Habitat for Humanity International Inc
EIN 061477331 · Headquarters: Hartford, CT, US · Housing & Shelter · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Habitat for Humanity North Central Connecticut
EIN 061253049 · Headquarters: HARTFORD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habitat for Humanity of Coastal Fairfield County Inc
EIN 222597077 · Headquarters: STRATFORD, CT, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990
- Habitat for Humanity of Eastern Connecticut Inc
EIN 061214680 · Headquarters: New London, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habitat for Humanity of Greater New Haven Inc
EIN 061178712 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habitat for Humanity of Greater Waterbury
EIN 061496952 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Habitat for Humanity of N West Ct
EIN 061316993 · Headquarters: SALISBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Habitat for Humanity of the Windham Area Inc
EIN 061422354 · Headquarters: Willimantic, CT, USA · Housing & Shelter · Latest available filing year: 2018 · Primary form: IRS Form 990
- Hacd Corporation
EIN 061318124 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Hackers for Hope Inc
EIN 061395376 · Headquarters: BETHEL, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990
- Hadassah the Womens Zionist Organization of America
EIN 061259353 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Hadassah the Womens Zionist Organization of America
EIN 237182443 · Headquarters: fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Haddam Citizens for Scouting Inc
EIN 462192504 · Headquarters: Haddam, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam Civic League LLC
EIN 465355959 · Headquarters: Higganum, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Haddam Cooperative Nursery Association Inc
EIN 060846910 · Headquarters: HADDAM, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Haddam Elderly Housing Corporation
EIN 061065551 · Headquarters: TOLLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Haddam Historical Society Inc
EIN 066053559 · Headquarters: HADDAM, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Haddam Killingworth Hall of Fame
EIN 834574974 · Headquarters: Higganum, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam Killingworth High School Project Graduation
EIN 450463767 · Headquarters: Higganum, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam Killingworth Middle School Pto
EIN 270802625 · Headquarters: Killingworth, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Haddam Killingworth Travel Basketball Inc
EIN 993340647 · Headquarters: Killingworth, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Haddam Killingworth Youth Football Association Inc
EIN 264347594 · Headquarters: Higganum, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam Killingworth Youth Lacrosse Association
EIN 271693179 · Headquarters: Killingworth, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam Land Trust Inc
EIN 066079139 · Headquarters: HADDAM, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Haddam Neck Cemetery Association
EIN 066063718 · Headquarters: Haddam Neck, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Haddam Neck Volunteer Fire Department Inc
EIN 471670028 · Headquarters: Haddam Neck, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam Public Healthinc
EIN 060665171 · Headquarters: HIGGANUM, CT, USA · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ
- Haddam Veterans Museum
EIN 472694666 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam Volunteer Ambulance Assoc
EIN 060960697 · Headquarters: Higganum, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Haddam Volunteer Fire Company
EIN 473934261 · Headquarters: Higganum, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam Volunteer Fire Company Auxiliary
EIN 471253689 · Headquarters: Higganum, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haddam-killingworth Intermediate Middle School Pto Inc
EIN 843051323 · Headquarters: Killingworth, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Hadhramout Foundation Members Club Inc
EIN 473334090 · Headquarters: Southport, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hadlyme North School Society Inc
EIN 222494031 · Headquarters: HADLYME, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hagerty Denis M
EIN 066035758 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Hahlawah Sporting Club Inc
EIN 843489487 · Headquarters: New Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- HAI Group
EIN 222935104 · Headquarters: CHESHIRE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Haimes Family Foundation
EIN 261578471 · Headquarters: OLD GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Haiti Green Inc
EIN 611610437 · Headquarters: Bridgeport, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Haiti Marycare
EIN 205234389 · Headquarters: Hamden, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Haiti Works Incorporated
EIN 800597294 · Headquarters: Bridgeport, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Haitian American Chamber of Commerc E of Connecticut
EIN 414950853 · Headquarters: Bridgeport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haitian American Christian Center of New Jerusalem Church Inc
EIN 061392978 · Headquarters: Stamford, CT, US · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Haitian American Collaborative Inc
EIN 921392734 · Headquarters: Bridgeport, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haitian American Professionals Association of Ct
EIN 061580260 · Headquarters: Norwalk, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Haitian American Soccer Association of Connecticut
EIN 271724085 · Headquarters: Stamford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Haitian Community Center of Greater New Haven Inc
EIN 413984368 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haitian Community Center of Greater Norwich
EIN 923391899 · Headquarters: Norwich, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Haitian Educational Initiatives
EIN 274250639 · Headquarters: Fairfield, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Haitian Emergency Rebuilding Operation Inc
EIN 271700692 · Headquarters: Old Saybrook, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Haitian Health Foundation
EIN 061135999 · Headquarters: NORWICH, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990
- Haitian Humanitarian Network Inc
EIN 200742175 · Headquarters: Newtown, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haitian Ministries for the Diocese
EIN 043787762 · Headquarters: NORWICH, CT, USA · Religion Related · Latest available filing year: 2010 · Primary form: IRS Form 990
- Haitian Students Parents Solidarity Association Hspsa Corp
EIN 271898443 · Headquarters: west Haven, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Haitian United Foundation Inc
EIN 202507999 · Headquarters: Stratford, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Haitian Women Association of Connecticut Inc
EIN 061510533 · Headquarters: Stratford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Hale Foundation Inc C/o Donald L Perlroth & Co Cpas
EIN 060729320 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Hale Ray Noises Football Club
EIN 821775046 · Headquarters: Moodus, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Hale-ray Alumni Association
EIN 461837818 · Headquarters: Moodus, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Half Century Club Valhalla No 2 of Hartford Ct Incorporated
EIN 061063384 · Headquarters: WETHERSFILED, CT, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Half Moon Foundation
EIN 363715158 · Headquarters: New Canaan, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF