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
- Friends of Simsbury Farms Inc
EIN 810846643 · Headquarters: SIMSBURY, CT, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Friends of Simsbury Hockey Inc
EIN 271012185 · Headquarters: Simsbury, CT, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Friends of Simsbury Wrestling
EIN 461683561 · Headquarters: West Simsbury, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Slater Library
EIN 061359006 · Headquarters: JEWETT CITY, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of Somers Boy Scout Troop 387 Inc
EIN 260064611 · Headquarters: Somers, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of South Windsor Girls Travel Basketball Inc
EIN 061570391 · Headquarters: New London, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Southbury Animal Control
EIN 991439457 · Headquarters: Southbury, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of Southington Animal Control Inc
EIN 843852814 · Headquarters: SOUTHINGTON, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Friends of Southington Community Services
EIN 815208683 · Headquarters: PLANTSVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Friends of Southport Park Inc
EIN 452603797 · Headquarters: SOUTHPORT, CT, USA · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Friends of Spencers Run Inc
EIN 272262835 · Headquarters: New Canaan, CT, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Friends of Sprague Public Library Inc
EIN 452892641 · Headquarters: Baltic, CT, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Friends of St Annes Inc
EIN 842795093 · Headquarters: WATERBURY, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Stamford Music and Arts Academy Inc
EIN 920647845 · Headquarters: STAMFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Stonington Crew Inc
EIN 061549558 · Headquarters: STONINGTON, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of Stonington High Swimming
EIN 203558891 · Headquarters: Pawcatuck, CT, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Friends of Storm Girls Ice Hockey Inc
EIN 332233919 · Headquarters: Hartford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Suffield Youth Outdoor Adventure Inc
EIN 882666312 · Headquarters: SUFFIELD, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of Sullivan Farm Inc
EIN 272036844 · Headquarters: NEW MILFORD, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of Tarrywile Park Inc
EIN 061351057 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of Team Beta Inc
EIN 473621539 · Headquarters: Bethlehem, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Friends of Terra Firma Farm Inc
EIN 331077116 · Headquarters: North Stonington, CT, USA · Youth Development · Latest available filing year: 2017 · Primary form: IRS Form 990
- Friends of Thandanani Foundation
EIN 993888888 · Headquarters: Old Greenwich, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Acton Library
EIN 061036280 · Headquarters: OLD SAYBROOK, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Anna Warner Bailey House
EIN 822629878 · Headquarters: GROTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Friends of the Ansonia Library Inc
EIN 061321909 · Headquarters: Ansonia, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Avon Free Public Library Inc
EIN 223038009 · Headquarters: AVON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Babcock Library Inc
EIN 061489968 · Headquarters: Ashford, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Barnes Inc
EIN 472517082 · Headquarters: Southington, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Beardsley & Memorial Library Inc
EIN 203395839 · Headquarters: Winsted, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Bentley Memorial Library
EIN 814450990 · Headquarters: Bolton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Berlin Vna Inc
EIN 061462344 · Headquarters: Berlin, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Berlin-peck Memorial Library Inc
EIN 061279138 · Headquarters: Berlin, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Bethel Public Library Inc
EIN 061424164 · Headquarters: BETHEL, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Bethel Seniors Inc
EIN 300104950 · Headquarters: Bethel, CT, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Friends of the Bethlehem Public Library
EIN 237193241 · Headquarters: Bethlehem, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Bigelow Center for Senior Activities Inc
EIN 811615285 · Headquarters: Fairfield, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Bloomfield Public Libraries Inc
EIN 061358957 · Headquarters: BLOOMFIELD, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Bridgeport Animal Shelter Inc
EIN 061526979 · Headquarters: TRUMBULL, CT, US · Animal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Friends of the Bridgewater Senior Center Inc
EIN 272781964 · Headquarters: BRIDGEWATER, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Bristol Public Library
EIN 542165159 · Headquarters: Bristol, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Friends of the Brooklyn Library Association
EIN 061354258 · Headquarters: Brooklyn, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Friends of the Canaan History Center Inc
EIN 834343929 · Headquarters: North Canaan, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Canterbury Public Library
EIN 061473475 · Headquarters: Canterbury, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Cascapedia River Inc
EIN 200780192 · Headquarters: Kent, CT, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Friends of the Case Memorial Library Inc
EIN 061438243 · Headquarters: Orange, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Chester Public Library
EIN 352413927 · Headquarters: Chester, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Connecticut Wilderness School
EIN 331862734 · Headquarters: Collinsville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Cora J Belden Library
EIN 222577241 · Headquarters: Rocky Hill, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Cromwell Belden Public Library
EIN 205423609 · Headquarters: cromwell, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Cyrenius Booth Library Inc
EIN 223210355 · Headquarters: NEWTOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Danbury Library Inc
EIN 060646598 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Friends of the Danbury Museum & Historical Society Authority Inc
EIN 264009806 · Headquarters: DANBURY, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Deep River Public Library
EIN 061198095 · Headquarters: DEEP RIVER, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Friends of the East Granby Library Inc
EIN 061577764 · Headquarters: East Granby, CT, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Friends of the East Hampton Public Library Inc
EIN 842514501 · Headquarters: EAST HAMPTON, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the East Hartford Senior Centers Inc
EIN 201463996 · Headquarters: East Hartford, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Friends of the East Hartrford Public Library
EIN 260893596 · Headquarters: East Hartford, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Friends of the East Haven Hagaman Library Inc
EIN 412059381 · Headquarters: East Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Eastford Public Library
EIN 934151732 · Headquarters: Eastford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Easton Public Library
EIN 061015093 · Headquarters: Easton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Eclectic Society Inc
EIN 472298898 · Headquarters: Bloomfield, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Edith Wheeler Memorial Library
EIN 061452376 · Headquarters: Monroe, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Eleanor Buck Wolf Nature Center
EIN 510189403 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Enfield Senior Center
EIN 571207213 · Headquarters: Enfield, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Essex Library
EIN 060987019 · Headquarters: Essex, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Fairfield Public Library
EIN 542119268 · Headquarters: FAIRFIELD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Farm River Estuary Inc
EIN 753060920 · Headquarters: Branford, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Ferguson Library Inc
EIN 061027077 · Headquarters: STAMFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the First Company Governors Foot Guard Inc
EIN 853083937 · Headquarters: Wolcott, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the First Company Governors Horse Guards Inc
EIN 203454465 · Headquarters: FARMINGTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Forest
EIN 871000878 · Headquarters: Essex, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Garden of Ideas Inc
EIN 452207806 · Headquarters: ridgefield, CT, US · Environment · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Friends of the Garvan Institute of Medical Research
EIN 205756271 · Headquarters: DARIEN, CT, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Godfrey Memorial Library Inc
EIN 223396597 · Headquarters: Middletown, CT, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Friends of the Goshen Public Library Inc
EIN 061598732 · Headquarters: Goshen, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Friends of the Granby Public Libraries Inc
EIN 061073393 · Headquarters: Granby, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Grove Street Cemetery Inc
EIN 061496211 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Guilford Free Library
EIN 061293236 · Headquarters: GUILFORD, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990
- Friends of the Hall Memorial Library Inc
EIN 061172672 · Headquarters: Ellington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Hamden Library
EIN 061178990 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Hoppers Birge Pond Nature Preserve
EIN 934275483 · Headquarters: Southington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Friends of the Ives Inc CO Phyllis Cortese
EIN 275364179 · Headquarters: Danbury, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Friends of the Janet Carlson Calvert Library
EIN 273141438 · Headquarters: franklin, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Kent Memorial Library
EIN 066072172 · Headquarters: Suffield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lake
EIN 200317010 · Headquarters: BRIDGEWATER, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990
- Friends of the Lebanon Senior Center Inc
EIN 814444852 · Headquarters: Lebanon, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Ledyard Libraries Inc
EIN 800510476 · Headquarters: Ledyard, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Levitt Pavilion Inc
EIN 510190780 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Friends of the Library Association of Warehouse Point
EIN 061305904 · Headquarters: East Windsor, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Friends of the Library in Oxford
EIN 061165487 · Headquarters: Oxford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lighthouse Park Carousel
EIN 061602285 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Friends of the Linear Trail Inc
EIN 061530178 · Headquarters: Shelton, CT, US · Environment · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Friends of the Litchfield Community Greenway Inc
EIN 463352284 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Lucy Robbins Welles Library Inc
EIN 222511658 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Friends of the Lyme Public Library Inc
EIN 462852434 · Headquarters: Lyme, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Lymes Senior Center Inc
EIN 465592427 · Headquarters: Old Lyme, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Friends of the Mansfield Library Inc
EIN 222505114 · Headquarters: Storrs, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Friends of the Martin Luther King Memorial Library
EIN 522216497 · Headquarters: STRATFORD, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Friends of the Meriden Public Library Inc
EIN 222527080 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ