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
- Somali Bantu Community of Connecticut
EIN 831926878 · Headquarters: New Britain, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Somaliland Development Organization
EIN 274804723 · Headquarters: hartford, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Somers
EIN 593791911 · Headquarters: Somers, CT, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Somers Basketball Association Inc
EIN 825102885 · Headquarters: SOMERS, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Somers Beautification
EIN 873054539 · Headquarters: Somers, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Somers Booster Club Inc
EIN 222632266 · Headquarters: Somers, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Somers Community Health & Wellness Association Inc
EIN 060709301 · Headquarters: Somers, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Somers Ct Music Patrons
EIN 843053997 · Headquarters: Somers, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Somers Ct Pto
EIN 471129285 · Headquarters: Somers, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Somers Education Foundation Inc
EIN 731702479 · Headquarters: SOMERS, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Somers Educational Secretary Assoc
EIN 611640447 · Headquarters: Somers, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Somers Historical Society Inc
EIN 061263317 · Headquarters: Somers, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Somers Lacrosse Association
EIN 061384984 · Headquarters: SOMERS, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Somers Little League
EIN 066068799 · Headquarters: SOMERS, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Somers Parents' Soccer Association Inc
EIN 222519678 · Headquarters: ENFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Somers Rangers Company
EIN 462804396 · Headquarters: Somers, CT, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Somers Safegrad
EIN 813925957 · Headquarters: Somers, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Somers Senior Citizens Club
EIN 061286764 · Headquarters: Somers, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Somers Sportsmen's Association Inc
EIN 061014292 · Headquarters: SOMERS, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Somers Volunteer Fire Department Association Inc
EIN 061602282 · Headquarters: Somers, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Somers Womens Club
EIN 237013342 · Headquarters: Somers, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Somersault Jungle Booster Club Inc
EIN 873119184 · Headquarters: SOMERS, CT, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Something Extra
EIN 465210999 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Something Special Vintage Shop Inc
EIN 920880971 · Headquarters: Norwalk, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Something Wolfy
EIN 842997444 · Headquarters: WESTPORT, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Sommers Cooperative Preschool Inc
EIN 060845403 · Headquarters: Somers, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Somos Una Familia Inc
EIN 932704903 · Headquarters: New Haven, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Son of Man Recordings Inc
EIN 850597321 · Headquarters: WALLINGFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Songstrong Inc
EIN 934002298 · Headquarters: Guilford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sonia Plumb Dance Company Inc
EIN 061304412 · Headquarters: Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sono Alliance
EIN 464410310 · Headquarters: Seymour, CT, USA · Crime & Legal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ
- Sono Dance Company Inc
EIN 060931756 · Headquarters: NORWALK, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sonrise Mentorship Corp
EIN 852188553 · Headquarters: Manchester, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sons & Daughters of Italy Foundation Inc
EIN 853997132 · Headquarters: NORWALK, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sons and Daughters of Italy in America
EIN 222691828 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sons of Hermann of the State of Connecticut
EIN 066090781 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Hermann of the State of Connecticut
EIN 237574669 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Hermann of the State of Connecticut
EIN 237574678 · Headquarters: CANTON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Hermann of the State of Connecticut
EIN 237574680 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Hermann of the State of Connecticut 11 Germania Jr Branch
EIN 237574668 · Headquarters: Lebanon, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Italy - Concordia Lodge 20
EIN 061155307 · Headquarters: TORRINGTON, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ
- Sons of Italy Club Inc
EIN 060775552 · Headquarters: Southington, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Italy in America
EIN 061064334 · Headquarters: North Branford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Italy in America
EIN 061064338 · Headquarters: Danbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Sons of Italy in America
EIN 061064351 · Headquarters: Bristol, CT, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Sons of Italy in America
EIN 061064352 · Headquarters: New Britain, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Sons of Italy in America
EIN 061064355 · Headquarters: Westport, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Sons of Italy in America
EIN 066045817 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990
- Sons of Italy in America
EIN 205158812 · Headquarters: West Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Sons of Italy in America Supreme Lodge Amerigo Vespucci Lodge No 160 Inc
EIN 060242910 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sons of Jacob Cemetery Incorporated
EIN 352533518 · Headquarters: Torrington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Norway
EIN 061301809 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Norway
EIN 237525689 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Sons of Thunder
EIN 061570745 · Headquarters: HARTFORD, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sons of Union Veterans of the Civil War
EIN 050475405 · Headquarters: Pawcatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Union Veterans of the Civil War
EIN 061099042 · Headquarters: Vernon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sons of Union Veterans of the Civil War
EIN 201216252 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Union Veterans of the Civil War
EIN 237021662 · Headquarters: Derby, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Union Veterans of the Civil War
EIN 237021668 · Headquarters: Vernon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sons of Union Veterans of the Civil War
EIN 371848823 · Headquarters: HARWINTON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sons of Union Veterans of the Civil War
EIN 911851519 · Headquarters: Vernon, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Sonshine Collective
EIN 334432943 · Headquarters: East Haven, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sonshine Day Care Center
EIN 061091239 · Headquarters: Manchester, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sonya D Dockett Nwachukwu Memorial
EIN 810806252 · Headquarters: AVON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Sophia L Orange Kitten Rescue
EIN 844561546 · Headquarters: Warren, CT, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sophos Africa Inc
EIN 881017762 · Headquarters: NEW HAVEN, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Soraya Amy Jackson Foundation
EIN 274390138 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Sorelle D Italia in America
EIN 274914700 · Headquarters: Southington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sorenson-Pearson Family Fndtn Inc
EIN 066099725 · Headquarters: Canton, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Soroptimist International of the Americas Inc
EIN 061316627 · Headquarters: Bethlehem, CT, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 061336239 · Headquarters: Fairfield, CT, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 061483446 · Headquarters: Mansfield, CT, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 066011991 · Headquarters: Rocky Hill, CT, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 066054834 · Headquarters: Meriden, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 066103672 · Headquarters: Prospect, CT, US · Crime & Legal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 205009983 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 237144276 · Headquarters: Avon, CT, US · Crime & Legal Related · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 571207482 · Headquarters: Weatogue, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 814715115 · Headquarters: Waterford, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Soroptimist International of the Americas Inc
EIN 853946872 · Headquarters: Prospect, CT, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Sos Eb Kids Corp
EIN 474973411 · Headquarters: Greenwich, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Sos for Refugees
EIN 923752015 · Headquarters: Madison, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sosa - Safe from Online Sex Abuse Inc
EIN 863808346 · Headquarters: NEW HAVEN, CT, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990
- Soul Anchor Foundation
EIN 836400870 · Headquarters: HARWINTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Soul Friends Inc
EIN 431986520 · Headquarters: Wallingford, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Soul Mutts Rescue Ct
EIN 465029622 · Headquarters: Plainville, CT, US · Animal Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Soul-o-ettes Drill Team
EIN 100002095 · Headquarters: new haven, CT, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Soulful Sydney Inc
EIN 832582958 · Headquarters: Southbury, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Soulthirst Inc
EIN 333185037 · Headquarters: Darien, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sound Affect International Inc
EIN 465264431 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sound Affects Dba Music Beats Cancer
EIN 454642925 · Headquarters: RIDGEFIELD, CT, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sound Beach Community Band Inc
EIN 320189702 · Headquarters: Old Greenwich, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Sound Beach Volunteer Services Foundation Inc
EIN 061052014 · Headquarters: OLD GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sound Bridges International Company
EIN 841863695 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Sound Business Group
EIN 372114764 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sound Communities Inc
EIN 320631590 · Headquarters: NORWALK, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sound Community Services Inc
EIN 060938920 · Headquarters: NEW LONDON, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Sound Cyclists Bicycle Club Inc
EIN 061191996 · Headquarters: DARIEN, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Sound Life Connections Inc
EIN 923270297 · Headquarters: GUILFORD, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Sound Maritime Group Inc
EIN 814433162 · Headquarters: FAIRFIELD, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N