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
- Lyme Old Lyme Boosters Club Inc
EIN 800145111 · Headquarters: Old Lyme, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lyme Old Lyme Food Share Garden Inc
EIN 862454674 · Headquarters: South Lyme, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lyme Old Lyme Middle School Pto Inc
EIN 061411482 · Headquarters: Old Lyme, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lyme Public Hall and Local History Archives Inc
EIN 061140494 · Headquarters: LYME, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Lyme Public Library Foundation Inc
EIN 237208228 · Headquarters: LYME, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Lyme Trail Association Inc
EIN 462280956 · Headquarters: LYME, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lyme-old Lyme Education Foundation
EIN 203817725 · Headquarters: Old Lyme, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Lyme-old Lyme Lions Charities Inc
EIN 061601736 · Headquarters: Old Lyme, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lyme-old Lyme Safe Graduation Party Inc
EIN 061547344 · Headquarters: Old Lyme, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Lyme-old Lyme Soccer Club Inc
EIN 061608846 · Headquarters: Old Lyme, CT, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N
- Lymeline Inc
EIN 393019880 · Headquarters: Old Lyme, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Lymes Elderly Housing Inc
EIN 061001581 · Headquarters: OLD LYME, CT, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990
- Lymes Youth Service Bureau
EIN 061015706 · Headquarters: Old Lyme, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Lynch Family Foundation
EIN 263219070 · Headquarters: West Hartford, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Lynch Syndrome International
EIN 270571530 · Headquarters: MADISON, CT, US · Medical Research · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Lyndas Phones
EIN 933916823 · Headquarters: BRIDGEPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Lynde Point Land Trust Inc
EIN 223130872 · Headquarters: Old Saybrook, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Lynde Point Lighthouse Society Inc
EIN 992128485 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Lz Foundation Inc
EIN 453780300 · Headquarters: PROSPECT, CT, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-PF
- M & H Sommer Foundation
EIN 136209298 · Headquarters: GOSHEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF
- M a L E S Inc
EIN 222564761 · Headquarters: Fairfield, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- M Bonnie Axthelm Charitable Foundation
EIN 066444196 · Headquarters: WESTPORT, CT, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- M Sha
EIN 112870973 · Headquarters: Avon, CT, US · Crime & Legal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- M Y C Sailing Foundation Ltd
EIN 061596828 · Headquarters: Milford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- M&j on the Way Farm Inc
EIN 365024663 · Headquarters: Bethel, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ma Ke La Inc
EIN 223218470 · Headquarters: West Haven, CT, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Maasai Honey Inc
EIN 461107937 · Headquarters: Old Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mabel C Stevens Tr Uw Xxxxx0005 C/o the Episcopal Church in Connecticut
EIN 066432254 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mac Pact Inc
EIN 463359828 · Headquarters: Durham, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- MACC Charities
EIN 237354956 · Headquarters: Manchester, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990
- MacCurdy Salisbury Educational Foundation Inc
EIN 066044250 · Headquarters: Old Lyme, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Machaneh Mitzvah
EIN 263983642 · Headquarters: Waterbury, CT, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Macie Grace Foundation Inc
EIN 271367309 · Headquarters: SOMERS, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mack Snacks Inc
EIN 933441124 · Headquarters: North Stonington, CT, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Macricostas Scholarship Trust Inc
EIN 061462843 · Headquarters: BROOKFIELD, CT, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-PF
- Mad Dogs Cricket Club Inc
EIN 451029553 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mad Gardeners Inc
EIN 030474394 · Headquarters: SHERMAN, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Mad River Foundation
EIN 136097034 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Madaket Homeowners Association
EIN 264733423 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Madan Family Global Impact Charitable Foundation Inc
EIN 413078829 · Headquarters: Wilton, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Made for More Inc
EIN 333721000 · Headquarters: Shelton, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Made in Connecticut Arts Inc
EIN 814322016 · Headquarters: CHESHIRE, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Madi Ponte Foundation Inc
EIN 273660755 · Headquarters: EAST HAVEN, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Madina Academy Inc
EIN 061589428 · Headquarters: Windsor, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Abc Program Incorporated
EIN 237040306 · Headquarters: MADISON, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Madison Ambulance Association Inc Dba Madison Emergency Medical Services
EIN 061172811 · Headquarters: MADISON, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Art Society
EIN 911829571 · Headquarters: Madison, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Madison Arts Barn
EIN 061474604 · Headquarters: Madison, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Athletic Hall of Fame Inc
EIN 463752621 · Headquarters: madison, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Madison Baseball Inc
EIN 901029735 · Headquarters: MADISON, CT, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990
- Madison Beach Preservation Association
EIN 371762753 · Headquarters: Madison, CT, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ
- Madison Cable Access Group Inc
EIN 061454146 · Headquarters: Madison, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Madison Chamber of Commerce
EIN 222536920 · Headquarters: MADISON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Madison Community Services
EIN 237105685 · Headquarters: MADISON, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Madison Country Club Inc
EIN 060436540 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Cultural Arts Inc
EIN 061427551 · Headquarters: MADISON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Madison Fireworks Organization Inc
EIN 050550053 · Headquarters: MADISON, CT, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Madison Historical Society Inc
EIN 066038865 · Headquarters: MADISON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Hoop Dreams Inc
EIN 208871626 · Headquarters: MADISON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Madison Hose Co 1 Inc P O Box 573
EIN 066070026 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Interfaith Residential Community Inc
EIN 060923438 · Headquarters: TOLLAND, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Jaycees Foundation Inc
EIN 461693707 · Headquarters: MADISON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Madison Jaycees Inc
EIN 237406065 · Headquarters: MADISON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Madison Land Conservation Trust
EIN 066070866 · Headquarters: MADISON, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Lions Foundation Inc
EIN 223266512 · Headquarters: Killingworth, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Madison Little League Inc
EIN 237002463 · Headquarters: MADISON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Madison Lyric Stage
EIN 811313312 · Headquarters: MADISON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Madison Masonic Temple Corporation
EIN 060958778 · Headquarters: Madison, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Madison Pride Fest
EIN 871155566 · Headquarters: Madison, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Madison Rod and Gun Club Inc
EIN 060942196 · Headquarters: Killingworth, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Madison Rotary Club
EIN 061498469 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Madison Rotary Foundation Inc
EIN 066075666 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madison Soccer Booster Club
EIN 061135265 · Headquarters: Madison, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Madison Winter Club Inc
EIN 066069006 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990
- Madison Youth Basketball Association
EIN 061426933 · Headquarters: MADISON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Madison Youth Football Inc a Sub/american Youth Football Inc
EIN 061538688 · Headquarters: MADISON, CT, USA · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ
- Madison Youth Lacrosse Association Inc
EIN 208541428 · Headquarters: Clinton, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Madison Youth Soccer Club
EIN 061067445 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madisons Nite in Hand Inc
EIN 455285220 · Headquarters: Madison, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Madonna Place Inc
EIN 061205879 · Headquarters: Norwich, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Madre Latina Organization Inc
EIN 463164021 · Headquarters: Waterbury, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990
- Madurai Charitable Trust USA
EIN 472799205 · Headquarters: Norwalk, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mae and Mitchell Marcus Charitable Foundation Inc
EIN 923923363 · Headquarters: SHARON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mae Bells Mission for Humanity Inc
EIN 301124041 · Headquarters: Waterbury, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Maffe Foundation Inc
EIN 201365653 · Headquarters: GLASTONBURY, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Magd Foundation
EIN 993217954 · Headquarters: Fairfield, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Magenta Mind Inc
EIN 933605773 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Magevet Inc
EIN 200257263 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Magical Music for Life Foundation Inc
EIN 061573405 · Headquarters: NEW CANAAN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Magies Sylvesteirs International Health Agency Inc
EIN 562530114 · Headquarters: GLASTONBURY, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Magnificat Bridgeport Diocese Ct
EIN 421555984 · Headquarters: BROOKFIELD, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Magnolia Theatre Company
EIN 843642512 · Headquarters: Hamden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Magyar Studies of America Inc
EIN 061009346 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Mahan Elementary Pto Inc
EIN 815009483 · Headquarters: Norwich, CT, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Maharlika Fil-am Association
EIN 061463018 · Headquarters: Wilton, CT, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Maidan United
EIN 465046996 · Headquarters: Wethersfield, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Maika Inc
EIN 272347910 · Headquarters: Wallingford, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Main Street Ballet Company Inc
EIN 463755768 · Headquarters: Woodbury, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Main Street Business Association
EIN 061299731 · Headquarters: OLD SAYBROOK, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Main Street Community Foundation Inc
EIN 061433299 · Headquarters: BRISTOL, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990