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

  1. Musical Art Society of Branford

    EIN 043265767 · Headquarters: GUILFORD, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Musical Arts Conference Inc

    EIN 204786231 · Headquarters: SOUTHBURY, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. Musical Club of Hartford Inc

    EIN 223050662 · Headquarters: BLOOMFIELD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Musical Dreams for Human Harmony Inc

    EIN 200286187 · Headquarters: NIANTIC, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  5. Musical Hope Foundation Ltd Co Raffaele Fuagno

    EIN 261471151 · Headquarters: GREENWICH, CT, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  6. Musical Instrument Technicians Association International

    EIN 431332565 · Headquarters: SOUTHBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Musical Intervention Studios Inc

    EIN 993295748 · Headquarters: New Haven, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Musical Masterworks Inc

    EIN 222340604 · Headquarters: OLD LYME, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Musical Minds Learning Center Inc

    EIN 455044417 · Headquarters: East Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  10. Musical Theater Works International Co

    EIN 471827752 · Headquarters: Stamford, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  11. Musicals at Richter Inc

    EIN 061193225 · Headquarters: DANBURY, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Musicatempo

    EIN 981711397 · Headquarters: Lyme, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Musicians Lifeline Inc

    EIN 273033615 · Headquarters: Simsbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Musicnow Foundation Llc

    EIN 463658656 · Headquarters: Old Lyme, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Musicon Ministries Inc

    EIN 222511321 · Headquarters: Kensington, CT, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  16. Muslim Business Alliance Inc

    EIN 262812330 · Headquarters: Stamford, CT, US · Religion Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  17. Muslim Coalition of Connecticut

    EIN 203089833 · Headquarters: BERLIN, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Muslim Endorsement Council Inc

    EIN 451796269 · Headquarters: New Haven, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Muslim Youth Center of America

    EIN 874245708 · Headquarters: Manchester, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Muslims for Humanity

    EIN 853812014 · Headquarters: Brookfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Mustang Hockey Inc

    EIN 843579725 · Headquarters: New Milford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Mustang Lacrosse Incorporated

    EIN 810822595 · Headquarters: Fairfield, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Mustard Seed Outreach Center Inc

    EIN 450583372 · Headquarters: Newington, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Mutts Mending Mankind Inc

    EIN 825389143 · Headquarters: Bantam, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Mutual Housing Association of Greater Hartford Inc

    EIN 222925052 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Mutual Housing Association of South Central Connecticut Inc

    EIN 223237413 · Headquarters: NEW HAVEN, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Mutual Housing Association of Southwestern Ct Inc

    EIN 223035152 · Headquarters: TRUMBULL, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Mutual Housing of Norwalk & Fairfield County Inc

    EIN 237013569 · Headquarters: Norwalk, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Mutual Security Credit Union Inc

    EIN 060701899 · Headquarters: SHELTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Mvp Sos Foundation Inc

    EIN 204799187 · Headquarters: New Milford, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  31. Mw Healthcare Inc

    EIN 270268085 · Headquarters: NEW HAVEN, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  32. Mwamba Family Health Care Foundation Inc

    EIN 873268088 · Headquarters: Bridgeport, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Mwh Holdings Inc

    EIN 611403583 · Headquarters: NEW HAVEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. My Angel Inc

    EIN 462984318 · Headquarters: BRANFORD, CT, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  35. My Architecture Workshops Inc

    EIN 881595424 · Headquarters: STAMFORD, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. My Bella Tnr

    EIN 934486391 · Headquarters: East Hartford, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. My Brother from Another Mother Inc

    EIN 462189226 · Headquarters: Bethel, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. My Catholic Doctor Foundation Inc

    EIN 834663318 · Headquarters: NEW CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. My Child's Hand Foundation Trust

    EIN 137355037 · Headquarters: WESTPORT, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. My City Kitchen Inc

    EIN 264593259 · Headquarters: MERIDEN, CT, USA · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  41. My Closet

    EIN 472702178 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  42. My Connected Church

    EIN 933937470 · Headquarters: East Hartford, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. My Country Society Inc

    EIN 066107769 · Headquarters: Litchfield, CT, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  44. My Fathers House

    EIN 300755321 · Headquarters: Norwich, CT, US · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  45. My Fathers House of Moodus Inc

    EIN 061083761 · Headquarters: MOODUS, CT, USA · Religion Related · Latest available filing year: 2020 · Primary form: IRS Form 990

  46. My Friend Abby Inc

    EIN 842675464 · Headquarters: TRUMBULL, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  47. My People Community Services Inc

    EIN 464463033 · Headquarters: EAST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. My Promise to Topaz Inc

    EIN 990428811 · Headquarters: MONROE, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. My Sisters' Place Inc

    EIN 061079879 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. My Stem Help Inc

    EIN 852453161 · Headquarters: Riverside, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. My Support System Corp

    EIN 933160453 · Headquarters: NEW LONDON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. My Tias Place

    EIN 332348035 · Headquarters: Manchester, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. My Transgender Nation Inc

    EIN 873368301 · Headquarters: Old Saybrook, CT, US · Public & Societal Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Myers L & Marilyn R Girsh Foundation Inc

    EIN 455303068 · Headquarters: NORWALK, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. Myles M Beringer Foundation Inc

    EIN 223722845 · Headquarters: DARIEN, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Myron L and Claire B Gordon Foundation Inc

    EIN 061267933 · Headquarters: REDDING, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  57. Myrtle H Stevens PTO

    EIN 452750079 · Headquarters: Rocky Hill, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Myrtle Indemnity Inc

    EIN 923621853 · Headquarters: New Britain, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Mysbk Inc

    EIN 205016710 · Headquarters: Bristol, CT, US · Science & Technology · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  60. Mystery of 64 Squares Inc

    EIN 932011926 · Headquarters: Hamden, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Mystic & Noank Library Inc

    EIN 060709292 · Headquarters: MYSTIC, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Mystic Babe Ruth League Inc

    EIN 061352393 · Headquarters: Mystic, CT, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  63. Mystic Ballet Inc

    EIN 061478674 · Headquarters: STONINGTON, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Mystic Blues Festival Inc

    EIN 464232573 · Headquarters: EAST LYME, CT, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. Mystic Carvers Club Inc

    EIN 223065460 · Headquarters: Ledyard, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Mystic Chamber Foundation Inc

    EIN 061568467 · Headquarters: MYSTIC, CT, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  67. Mystic Chamber Music Series Inc

    EIN 934834430 · Headquarters: Mystic, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Mystic Chamber of Commerce Inc

    EIN 060861879 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Mystic Community Bikes

    EIN 261285063 · Headquarters: Mystic, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Mystic Film Institute Incorporated

    EIN 883478890 · Headquarters: MYSTIC, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Mystic Flag Committee

    EIN 061096084 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Mystic Garden Club

    EIN 066045735 · Headquarters: WEST MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Mystic Geriatrics Institue Inc

    EIN 820849120 · Headquarters: MYSTIC, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  74. Mystic Highland Pipe Band

    EIN 263628380 · Headquarters: GALES FERRY, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Mystic Hook & Ladder Co Inc

    EIN 066103289 · Headquarters: MYSTIC, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Mystic Indoor Sports Tennis Club Inc

    EIN 475074331 · Headquarters: Mystic, CT, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  77. Mystic Irish Parade Foundation Inc

    EIN 861116502 · Headquarters: MYSTIC, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Mystic Lions Community Foundation Inc

    EIN 812852878 · Headquarters: Connecticut, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Mystic Little League

    EIN 510256254 · Headquarters: Mystic, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  80. Mystic Middle School Pto Inc

    EIN 812768990 · Headquarters: MYSTIC, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. Mystic Museum of Art Inc

    EIN 066000563 · Headquarters: Mystic, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Mystic Nautical Heritage Society Inc

    EIN 061382291 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  83. Mystic Oral School Advocates

    EIN 863965474 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  84. Mystic Order of Veiled Prophets of Enchanted Realm

    EIN 061012469 · Headquarters: Chehsire, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Mystic Order of Veiled Prophets of Enchanted Realm

    EIN 237535591 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Mystic Order of Veiled Prophets of Enchanted Realm

    EIN 237535657 · Headquarters: Waterbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  87. Mystic Order of Veiled Prophets of Enchanted Realm Supreme Council

    EIN 923838641 · Headquarters: Suffield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Mystic Paper Beasts Incorporated

    EIN 060955036 · Headquarters: Stonington, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Mystic Pipes & Drums Inc

    EIN 842952798 · Headquarters: Woodstock, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Mystic River Ambulance Association

    EIN 061054086 · Headquarters: MYSTIC, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Mystic River Chorale

    EIN 061215936 · Headquarters: MYSTIC, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Mystic River Historical Society Inc

    EIN 237445351 · Headquarters: MYSTIC, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Mystic River Homes Inc

    EIN 060844829 · Headquarters: NORTH HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Mystic River Magnet School

    EIN 874014914 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Mystic River Yacht Club Inc

    EIN 201302554 · Headquarters: Mystic, CT, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  96. Mystic Rod & Gun Club Inc

    EIN 222563396 · Headquarters: Mystic, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Mystic Seaport Museum Inc

    EIN 060653120 · Headquarters: MYSTIC, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Mystic Womans Club Inc

    EIN 237806746 · Headquarters: Mystic, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Mystic Yoga Foundation Inc

    EIN 882427149 · Headquarters: new london, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Mysticalligraphers Inc

    EIN 222586461 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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