Nonprofits in Mystic, Connecticut

Nonprofits in Mystic, Connecticut. Browse 132 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. A Good Laugh Inc

    EIN 262086362 · Headquarters: Mystic, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Alliance for the Mystic River Watershed

    EIN 883766501 · Headquarters: MYSTIC, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Always Home Inc

    EIN 061536185 · Headquarters: MYSTIC, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Ama Dance Theatre Foundation Inc

    EIN 874789165 · Headquarters: MYSTIC, CT, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. American Schooner Association Inc

    EIN 464543436 · Headquarters: MYSTIC, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Arcadia Mer

    EIN 311123358 · Headquarters: MYSTIC, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  7. Artemis Foundation Ltd C/o Julia V Parry

    EIN 311728878 · Headquarters: MYSTIC, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. Assisi Foundation Inc

    EIN 311800408 · Headquarters: Mystic, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Association of Notre Dame Clubs Inc - Rhode Island & SE Massachusetts

    EIN 311075493 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Baldwin Yacht Club

    EIN 066070348 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Bike Stonington

    EIN 463572976 · Headquarters: Mystic, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Blue Bag Foundation Inc

    EIN 932789371 · Headquarters: Mystic, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Bluebird Foundation Inc

    EIN 061525027 · Headquarters: MYSTIC, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Brookside Inc

    EIN 061078267 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Burnetts Corners Preservation Society Inc

    EIN 061426904 · Headquarters: Mystic, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Casire Foundation

    EIN 471013129 · Headquarters: MYSTIC, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Centernet Inc

    EIN 472980644 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Coastal Environmental Services Inc

    EIN 412257085 · Headquarters: Mystic, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. College Autism Network Inc

    EIN 811288718 · Headquarters: Mystic, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Connecticut Academy of Fine Arts

    EIN 061301159 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Connecticut Beer Wholesalers Association Inc

    EIN 060271338 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Connecticut Communities Coalition Inc

    EIN 550889740 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  23. Connecticut Songwriters Association Inc

    EIN 061011256 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Connecticut Tooling and Machining Association

    EIN 060797654 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Cornerstone Project Inc

    EIN 262698020 · Headquarters: MYSTIC, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Counseling & Stress Research Center Inc

    EIN 061039080 · Headquarters: MYSTIC, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Ct Clippers

    EIN 474188727 · Headquarters: MYSTIC, CT, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  28. Cutler Middle School Pto

    EIN 611626000 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  29. Daughters of Isabella

    EIN 237513121 · Headquarters: mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Denison Pequotsepos Nature Center

    EIN 060884024 · Headquarters: MYSTIC, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Downtown Mystic Merchants Inc

    EIN 462530475 · Headquarters: MYSTIC, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990

  32. Eastern Connecticut Emergency Medical Services Council Inc

    EIN 060944833 · Headquarters: Mystic, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Estate and Tax Planning Council of Eastern Connecticut Inc

    EIN 060973034 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Eugene Oneill Society

    EIN 050392715 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Federated Garden Clubs of Connecticut Inc

    EIN 061206530 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Fiberarts Studio Inc

    EIN 454359134 · Headquarters: MYSTIC, CT, US · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  37. Fitch Senior High Alumni Foundation Inc

    EIN 262913861 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  38. Fitch-east Lyme-ledyard Hockey Club Inc

    EIN 271217942 · Headquarters: MYSTIC, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Foundation for Fiduciary Studies

    EIN 251872065 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  40. Free to Run Inc

    EIN 472766786 · Headquarters: MYSTIC, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Friends of the Mystic & Noank Library Inc

    EIN 822965879 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Full Cuckoo Foundation Inc

    EIN 934015274 · Headquarters: Mystic, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Goose Island Curising Club

    EIN 472692379 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  44. Groton Community Meals Inc

    EIN 814955258 · Headquarters: Mystic, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Helen M Daghlian Trust Daghlian

    EIN 816536444 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. Holstein Foundation

    EIN 237012134 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  47. Hugo A Simonelli Post 3263 Veterans of Foreign Wars of the United Stat

    EIN 060736644 · Headquarters: Mystic, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Independent Order of Odd Fellows

    EIN 061095086 · Headquarters: Mystic, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  49. Independent Order of Odd Fellows

    EIN 066053394 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. International Association of Lions Clubs

    EIN 066081968 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. International Penguin & Marine Mammal Foundation Inc

    EIN 455430679 · Headquarters: Mystic, CT, US · Science & Technology · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  52. Kindness Goodness Benevolence Inc

    EIN 852324586 · Headquarters: MYSTIC, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Knights of Columbus

    EIN 237541350 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Local United Network to Combat Hunger

    EIN 061530307 · Headquarters: Mystic, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Lower Mystic Cemetery Association

    EIN 050405125 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. LY Spear Foundation Co F Haberlandt

    EIN 066026051 · Headquarters: Mystic, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Mary Jobe Ackley Trust & Peace Sanctuary

    EIN 066089224 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Masonic Temple Corporation of Stonington

    EIN 066088890 · Headquarters: Mystic, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  59. Masons Island Yacht Club Inc

    EIN 060714276 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Mccourt Memorial Garden in Memory of Sept 11Th Victims of Se Ct Inc

    EIN 611441335 · Headquarters: Mystic, CT, US · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  61. Mohegan Striders Assoc

    EIN 237171302 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Mystic & Noank Library Inc

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

  63. Mystic Babe Ruth League Inc

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

  64. Mystic Chamber Foundation Inc

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

  65. 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

  66. Mystic Chamber of Commerce Inc

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

  67. Mystic Community Bikes

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

  68. Mystic Film Institute Incorporated

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

  69. Mystic Flag Committee

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

  70. Mystic Geriatrics Institue Inc

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

  71. Mystic Hook & Ladder Co Inc

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

  72. 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

  73. 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

  74. Mystic Little League

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

  75. Mystic Middle School Pto Inc

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

  76. Mystic Museum of Art Inc

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

  77. Mystic Nautical Heritage Society Inc

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

  78. Mystic Oral School Advocates

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

  79. Mystic River Ambulance Association

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

  80. Mystic River Chorale

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

  81. 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

  82. Mystic River Magnet School

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

  83. Mystic River Yacht Club Inc

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

  84. Mystic Rod & Gun Club Inc

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

  85. Mystic Seaport Museum Inc

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

  86. 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

  87. Mysticalligraphers Inc

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

  88. National Society of the Daughters of the American Revolution

    EIN 066045352 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Nautilus Alumni Association Inc

    EIN 223208192 · Headquarters: Mystic, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. New England Collegiate Baseball League Inc

    EIN 271513804 · Headquarters: MYSTIC, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  91. New England Reading Association

    EIN 036010679 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  92. New London Youth Lacrosse Inc

    EIN 472359719 · Headquarters: Mystic, CT, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  93. Noank Rowing Club Inc

    EIN 200610420 · Headquarters: MYSTIC, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Northeast Academy Pto

    EIN 061168465 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Nyc Makerspace

    EIN 824264610 · Headquarters: mystic, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. Ocean Technology Foundation Inc

    EIN 061494809 · Headquarters: Mystic, CT, US · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Oneida Health Foundation Inc

    EIN 471089627 · Headquarters: Mystic, CT, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Pcu Oregon Frg

    EIN 825022186 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. People Advocating Therapeutic Homes Inc

    EIN 061587552 · Headquarters: Mystic, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  100. Pleasant Valley Elementary School Pto

    EIN 264747389 · Headquarters: Mystic, CT, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

All pages