Nonprofits in Groton, Connecticut

Nonprofits in Groton, Connecticut. Browse 201 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. Ahepa 250-Iii Inc

    EIN 061422444 · Headquarters: GROTON, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Ahsctri

    EIN 261709295 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. Aluminum Falcon Robotics Inc Co Robert E Fitch High School

    EIN 471411491 · Headquarters: Groton, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Amateur Athletic Union of the United States Inc

    EIN 832524511 · Headquarters: Groton, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  5. American Federation of Government Employees Local 2105

    EIN 066069954 · Headquarters: Groton, CT, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. American Federation of State County & Municipal Employees

    EIN 061222279 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. American Federation of State County & Municipal Employees

    EIN 223187137 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Federation of State County & Municipal Employees

    EIN 352578873 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Federation of State County & Municipal Employees

    EIN 900588126 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American Federation of State County & Municiple Employees

    EIN 900606321 · Headquarters: Groton, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. American Legion

    EIN 066071007 · Headquarters: Groton, CT, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  12. Animal Welfare League of New London

    EIN 066086758 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Art on Groton Bank

    EIN 300491345 · Headquarters: Groton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  14. Association of Civilian Technicians Inc

    EIN 460511258 · Headquarters: Groton, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Avery Copp Museum

    EIN 208096779 · Headquarters: Groton, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Avery Memorial Association

    EIN 237073820 · Headquarters: Groton, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Babies Heart Run Inc

    EIN 471011991 · Headquarters: GROTON, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Be Heard Corporation

    EIN 863081699 · Headquarters: GROTON, CT, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  19. Beech Brook Farm

    EIN 300530213 · Headquarters: Groton, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Bess Activities Association

    EIN 454701990 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  21. Big Red Memorial Fund Inc

    EIN 264077445 · Headquarters: GROTON, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Bill Memorial Library

    EIN 060676852 · Headquarters: GROTON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Bird House Inc

    EIN 872729760 · Headquarters: Groton, CT, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  24. Blue Knights Motorcycle Club

    EIN 222829305 · Headquarters: Groton, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. Bonnell Cove Foundation

    EIN 133556721 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. Branch 20 Fleet Reserve Association

    EIN 271334943 · Headquarters: GROTON, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Branch 237 Niantic Fleet Reserve Association

    EIN 264277094 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  28. Catherine Kolnaski Magnet School Pto

    EIN 371466503 · Headquarters: GROTON, CT, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  29. Charles Barnum Parent Teacher Organization

    EIN 472855889 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  30. Chelsea Foundation Inc

    EIN 061288107 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Chelsea Groton Foundation

    EIN 061520330 · Headquarters: GROTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  32. Chosen Generation Inc

    EIN 202729530 · Headquarters: Groton, CT, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  33. Christian Counselling Center of Southeastern Connecticut Inc

    EIN 222580033 · Headquarters: Groton, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  34. City Abc Ten Pin League

    EIN 061010302 · Headquarters: Groton, CT, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. City of Groton Local 1964 I a F F

    EIN 510226966 · Headquarters: Groton, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Community Speaks Out Inc

    EIN 811378961 · Headquarters: GROTON, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Company of Veterans Inc

    EIN 821721428 · Headquarters: Groton, CT, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Connecticut and Rhode Island Coastal Fixfishers Inc

    EIN 223506732 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  39. Connecticut Aquatic Club Boosters Inc

    EIN 510474199 · Headquarters: Groton, CT, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  40. Connecticut Association of Wetland Scientists

    EIN 061497416 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Connecticut Breast Feeding Coalition

    EIN 571184656 · Headquarters: Groton, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Connecticut Education Association

    EIN 061282208 · Headquarters: Groton, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Connecticut Education Association

    EIN 237412518 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. Connecticut United for Research Excellence Inc

    EIN 061304212 · Headquarters: GROTON, CT, USA · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Connecticut Wind Collaborative Inc

    EIN 934487800 · Headquarters: GROTON, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Council for Christian Arts of New London County Incorporated

    EIN 202353302 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  47. Cure Innovations Llc

    EIN 463840398 · Headquarters: GROTON, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Demarco Memorial Inc

    EIN 831334633 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Devyns Charm Incorporated

    EIN 461885177 · Headquarters: Groton, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  50. Doncasters Inc Retiree Veba Trust

    EIN 823136698 · Headquarters: GROTON, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Eastern Connecticut Emerald Society

    EIN 202703563 · Headquarters: Groton, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Electric Boat Athletic Club Incorporated

    EIN 060759353 · Headquarters: Groton, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Electric Boat Employees Community Services As

    EIN 066068894 · Headquarters: GROTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Falcon Music Boosters Inc

    EIN 061414798 · Headquarters: GROTON, CT, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. Family Kitchen

    EIN 271310881 · Headquarters: Groton, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  56. Fantasy Quest Productions Inc

    EIN 061505125 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Federated Garden Clubs of Connecticut Inc

    EIN 066080733 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Fellowship House Ministries Inc

    EIN 061300320 · Headquarters: GROTON, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Fhm Services Inc

    EIN 061483568 · Headquarters: GROTON, CT, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Fish Cemetery Association

    EIN 061094958 · Headquarters: Groton, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Fitch Athletic Booster Club Inc

    EIN 844097150 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Fitch Middle School Parent-teacher Organization

    EIN 203464770 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  63. Fitch Senior High School Graduation Brookhart

    EIN 061393505 · Headquarters: GROTON, CT, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  64. Fort Griswold Battlefield State Park Foundation Inc

    EIN 061429642 · Headquarters: GROTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Foundation for the Preservation of Historic First Church Groton Inc

    EIN 061626964 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  66. Freshconnections

    EIN 271980094 · Headquarters: Groton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  67. 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

  68. Gospel Foundation of New England Inc

    EIN 061015269 · Headquarters: Groton, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Grasso Technical High School Pfo

    EIN 320255073 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Greater Groton Realty Corporation

    EIN 473104202 · Headquarters: GROTON, CT, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Greenway Land Trust of Southeastern Connecticut Inc

    EIN 474997057 · Headquarters: Groton, CT, US · Environment · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  72. Groton Ambulance Association Inc

    EIN 061229018 · Headquarters: GROTON, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Groton Animal Foundation Inc

    EIN 208292543 · Headquarters: Groton, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Groton Bank Day

    EIN 831969809 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  75. Groton Education Foundation Inc

    EIN 061436642 · Headquarters: GROTON, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Groton Historical Society Inc

    EIN 260594444 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. Groton Lacrosse

    EIN 271191556 · Headquarters: GROTON, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Groton Lodge of Elks 2163

    EIN 060758959 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Groton Long Point Volunteer Fire Company Inc

    EIN 066044342 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Groton Middle School Pto

    EIN 852036614 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Groton Mystic Falcons Youth Football

    EIN 222778820 · Headquarters: GROTON, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Groton Open Space Association Inc

    EIN 061469419 · Headquarters: Groton, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Groton Parks Foundation Inc

    EIN 061574542 · Headquarters: GROTON, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Groton Public Library Circle of Friends Inc

    EIN 201166510 · Headquarters: Groton, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Groton Regional Theatre Inc

    EIN 061487355 · Headquarters: Groton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Groton Rotary Community Awards Inc

    EIN 061045618 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Groton Scholarship Fund Inc

    EIN 066046683 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. Groton Schools Custodial & Maintenance Association

    EIN 273961269 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Groton-mystic Basketball

    EIN 834235259 · Headquarters: Groton, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Hands Up Global Foundation Inc

    EIN 872970445 · Headquarters: GROTON, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Hearing Ear Dogs of New England Ltd

    EIN 061033146 · Headquarters: Groton, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  92. Heart Warrior Achievement Scholarship Inc

    EIN 922494588 · Headquarters: GROTON, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Hispanic Shipbuilders Association Inc

    EIN 842176345 · Headquarters: GROTON, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Homes by Grace Inc

    EIN 861609672 · Headquarters: groton, CT, US · Housing & Shelter · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  95. Iamaw Local Lodge 1871

    EIN 060607894 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Idaho Frg

    EIN 862447012 · Headquarters: Groton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Informing Democracy

    EIN 883181615 · Headquarters: GROTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Informing Democracy Education Fund

    EIN 931670340 · Headquarters: GROTON, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Interdistrict Committee For Project Oceanology

    EIN 060896672 · Headquarters: Groton, CT, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. International Association of Administrative Professionals

    EIN 043775187 · Headquarters: Groton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

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