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
- Mcdermontt Fam Charitable Tr
EIN 146198226 · Headquarters: Tolland, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mcdermott Family Foundation Inc
EIN 331140405 · Headquarters: HAMDEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mceivr Inc
EIN 811458039 · Headquarters: HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mcfadden Family Foundation C/o Marie Mcfadden
EIN 061507986 · Headquarters: LITCHFIELD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mcgee School Parents & Teachers Organization
EIN 271885628 · Headquarters: Berlin, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mcgivney Community Center Inc
EIN 223059815 · Headquarters: BRIDGEPORT, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mckelvy Family Foundation
EIN 061485524 · Headquarters: LAKEVILLE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-PF
- Mclaughlin Family Foundation
EIN 061601986 · Headquarters: DARIEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mclean Affiliates Inc
EIN 261960246 · Headquarters: SIMSBURY, CT, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990
- Mclean Foundation Inc
EIN 237032779 · Headquarters: SIMSBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990
- Mclean Fund
EIN 066026241 · Headquarters: SIMSBURY, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990
- Mclean Game Refuge Inc
EIN 261960261 · Headquarters: SIMSBURY, CT, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990
- Mclean Institute of Learning Inc
EIN 272683756 · Headquarters: Greenwich, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- McLeod Blue Skye Charitable Foundation Inc
EIN 223216389 · Headquarters: Branford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Mcphee Foundation Inc
EIN 061479791 · Headquarters: GOSHEN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Me and the Boyz Social Club Inc
EIN 465301210 · Headquarters: Stratford, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mead School Pto
EIN 863802831 · Headquarters: Ansonia, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meadowbrook Cooperative Club Inc
EIN 060895107 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ
- Meadows Real Estate Management and Development Corporation
EIN 061203983 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meals for Music Inc
EIN 921863919 · Headquarters: Westport, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Meals on Wheels of Ridgefield Inc
EIN 237410665 · Headquarters: RIDGEFIELD, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990
- Meals on Wheels of Wilton Inc
EIN 060964502 · Headquarters: WILTON, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990
- Meals-on-wheels Inc
EIN 060809614 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meals-on-wheels of New Canaan Inc
EIN 223070686 · Headquarters: NEW CANAAN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mean Initiative Inc
EIN 061612946 · Headquarters: WATERBURY, CT, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N
- Mechanical Contractors Association Connecticut Industry Fund
EIN 061401623 · Headquarters: SOUTHINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mechanical Contractors Association of Connecticut Inc
EIN 060874283 · Headquarters: SOUTHINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mechanical Music Library International
EIN 272632711 · Headquarters: Darien, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Medcom Inc
EIN 880614381 · Headquarters: WATERBURY, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990
- Medi Teddy Inc
EIN 834278120 · Headquarters: Fairfield, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Medical Aid to Haiti Inc
EIN 264757226 · Headquarters: WEST HARTFORD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Medical and Dental Plan for Union Employees of Aquarion Water Compan
EIN 900177929 · Headquarters: BRIDGEPORT, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990
- Medical and Dental Staff Fund St Francis Hospital & Medical Center
EIN 061049909 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Medical Assistance Corporation
EIN 223026260 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Medical Education Prochad Inc
EIN 814948108 · Headquarters: New Haven, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Medical Education Resources Unlimited Inc
EIN 880976250 · Headquarters: West Hartford, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Medical Spa Society Inc
EIN 593767807 · Headquarters: Branford, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Medicare for All Ct Inc
EIN 862677095 · Headquarters: Branford, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Medzah Foundation Inc
EIN 994003084 · Headquarters: GLASTONBURY, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meeting House Players Inc
EIN 061512091 · Headquarters: Chester, CT, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Meeting House Singles Inc
EIN 510197207 · Headquarters: MANCHESTER, CT, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Meeting Professionals International
EIN 061065513 · Headquarters: Vernon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Megan Claire Casey Foundation
EIN 990739614 · Headquarters: Milford, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meisenheimer Foundation Inc
EIN 061336907 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Melamid International Foundation Inc
EIN 133263278 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF
- Melissa Flanders Nickel Fund Inc
EIN 133320401 · Headquarters: WILTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF
- Melissa Jones Elementary School Pto
EIN 814753152 · Headquarters: GUILFORD, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Melissa Makes Bears Inc
EIN 371632730 · Headquarters: SOUTH WINDSOR, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Melissa Makes Bears Llc
EIN 270504031 · Headquarters: SOUTH WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N
- Melissa Wilkinson Foundation Inc
EIN 831295714 · Headquarters: MILFORD, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Melryder Foundation Inc
EIN 061470172 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF
- Melsopp & Mills Nalc Merged Branch 60
EIN 066050425 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Melville Charitable Trust
EIN 133415258 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Melvin & Caryl Goldstein Charitable Foundation
EIN 222764711 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Memorial Golf Outing
EIN 465028626 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Memorial Middle School Pto Inc
EIN 208660257 · Headquarters: Middlebury, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Memorial Military Museum Inc
EIN 510148048 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Memorial School Parent Teacher Council
EIN 461044254 · Headquarters: Middlefield, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Memphis Industrial Park Investors Inc C/o Ubs Realty Investors Llc
EIN 061566509 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Men Against Prostitution and Trafficking Inc
EIN 113723593 · Headquarters: CENTERBROOK, CT, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Men of Honor Inc
EIN 820690761 · Headquarters: Cheshire, CT, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Men's Club of Jhe of Ffld County Inc
EIN 222522138 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990
- Mend Therapeutics Inc
EIN 462752405 · Headquarters: East Lyme, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-N
- Mens Auxiliary to the Vfw Post 10060
EIN 471738571 · Headquarters: UNCASVILLE, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Mens Empowerment and Violence Preve Ntion Alliance Corp
EIN 412962279 · Headquarters: Stratford, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mental Health Connecticut Inc
EIN 060646593 · Headquarters: FARMINGTON, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mentoring Corps for Community Development Inc
EIN 920496491 · Headquarters: Old Lyme, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Mentors Table Ministries Inc
EIN 932131879 · Headquarters: NEW HAVEN, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Menunkatuck Audubon Society Inc
EIN 061247422 · Headquarters: Guilford, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meo Family Charitable Foundation Trust
EIN 466442869 · Headquarters: WEST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Meor
EIN 263622527 · Headquarters: WATERBURY, CT, USA · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990
- Meow Inc
EIN 061172761 · Headquarters: LITCHFIELD, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Merchant Marine Policy Coalition Inc
EIN 463654479 · Headquarters: Southport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Mercury Masters
EIN 470847491 · Headquarters: Norwalk, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Mercy Center Incorporated
EIN 061307050 · Headquarters: MADISON, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mercy Community Homecare Services Inc
EIN 061488137 · Headquarters: West Hartford, CT, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Mercy Housing & Shelter Corporation
EIN 061090211 · Headquarters: HARTFORD, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mercy International Inc
EIN 800209355 · Headquarters: MANCHESTER, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Mercy Learning Center of Bridgeport Inc
EIN 222859879 · Headquarters: BRIDGEPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mercy Medical Group Inc
EIN 454884805 · Headquarters: HARTFORD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mercy Services Corporation
EIN 061453323 · Headquarters: West Hartford, CT, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Mercy Specialist Physicians Inc
EIN 264033168 · Headquarters: HARTFORD, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990
- Mercyknoll Incorporated
EIN 060757380 · Headquarters: West Hartford, CT, US · Health Care · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Mergingarts Productions
EIN 272478212 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Meriden Amateur Radio Club Inc
EIN 061549311 · Headquarters: Meriden, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meriden Antique Veterans Inc
EIN 852855805 · Headquarters: MERIDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meriden Arts Council Inc
EIN 061385272 · Headquarters: meriden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Meriden Artstrust Inc
EIN 208100940 · Headquarters: Meriden, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Meriden Boys Club End Fd (P)
EIN 066183824 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meriden Cemetery Association
EIN 060449750 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990
- Meriden Children First Initiative Inc
EIN 061626440 · Headquarters: MERIDEN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Meriden Economic Development Corp
EIN 061007618 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Meriden Elks #35 BPOE
EIN 060258864 · Headquarters: Meriden, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meriden Farmers Market Inc
EIN 371874436 · Headquarters: Meriden, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Meriden Federation of Municipal Employees Local 1478
EIN 061330378 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Meriden Federation of Teachers
EIN 222586693 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990
- Meriden Foundation
EIN 066037849 · Headquarters: WATERBURY, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF
- Meriden Girls Little League Softball Inc
EIN 311655884 · Headquarters: MERIDEN, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Meriden Hall of Fame Association Inc
EIN 060978440 · Headquarters: Meriden, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Meriden Historical Society Inc
EIN 066090820 · Headquarters: MERIDEN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990