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. Griffis Art Center Inc

    EIN 061281243 · Headquarters: NEW LONDON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  2. Grip Foundation Inc

    EIN 262230741 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  3. Griswold Ar-mer Hosp

    EIN 066035757 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. Griswold Booster Club Inc

    EIN 061332343 · Headquarters: Griswold, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Griswold Elementary School Pto

    EIN 812814056 · Headquarters: GRISWOLD, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Griswold Fish & Game Club

    EIN 061531508 · Headquarters: JEWETT CITY, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Griswold High School Project Safe Graduation

    EIN 204699239 · Headquarters: Griswold, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Griswold Historical Society

    EIN 237357946 · Headquarters: JEWETT CITY, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Griswold Middle School Pto Inc

    EIN 881055961 · Headquarters: Jewett City, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Griswold Players Inc

    EIN 061053984 · Headquarters: Jewett City, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  11. Griswold Players Scholarship Fund Inc

    EIN 061172567 · Headquarters: Jewett City, CT, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  12. Griswold Regional Lions Charities Inc

    EIN 061486007 · Headquarters: Plainfield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  13. Griswold Soccer Club

    EIN 061429122 · Headquarters: Jewett City, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. Griswold Youth Football Association Inc

    EIN 061560996 · Headquarters: Voluntown, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Griswoldville Ecclesiastical Society Inc

    EIN 923362028 · Headquarters: Wethersfield, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Groove Phi Groove Sfi - New Haven Graduate Chapter

    EIN 811891620 · Headquarters: New Haven, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  17. Groton Ambulance Association Inc

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

  18. Groton Animal Foundation Inc

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

  19. Groton Bank Day

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

  20. Groton Community Farm Inc

    EIN 870914730 · Headquarters: New London, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. Groton Community Meals Inc

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

  22. Groton Conservation Advocates Inc

    EIN 834308458 · Headquarters: Noank, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Groton Education Foundation Inc

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

  24. Groton Historical Society Inc

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

  25. Groton Lacrosse

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

  26. Groton Lodge of Elks 2163

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

  27. 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

  28. Groton Long Point Yacht Club

    EIN 060912247 · Headquarters: Groton Long Point, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Groton Middle School Pto

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

  30. Groton Mystic Falcons Youth Football

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

  31. Groton Open Space Association Inc

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

  32. Groton Parks Foundation Inc

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

  33. 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

  34. Groton Regional Theatre Inc

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

  35. Groton Rotary Community Awards Inc

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

  36. Groton Scholarship Fund Inc

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

  37. Groton Schools Custodial & Maintenance Association

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

  38. Groton Sportsmen's Club Inc

    EIN 066048922 · Headquarters: Stonington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Groton-mystic Basketball

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

  40. Ground Rent Inc

    EIN 922371273 · Headquarters: Cheshire, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Grounded Minds Inc

    EIN 412499534 · Headquarters: Granby, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Groundwork Bridgeport Inc

    EIN 061556949 · Headquarters: BRIDGEPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Group of Citizens

    EIN 061523252 · Headquarters: Cromwell, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Grove Cemetery Association of Naugatuck

    EIN 060376710 · Headquarters: NAUGATUCK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Grow and Life with Love Christian Ministry Inc

    EIN 352504676 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  46. Grow Together Initiative Inc

    EIN 413506345 · Headquarters: Killingworth, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Grow Windham Inc

    EIN 933678132 · Headquarters: Willimantic, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Growers Inc

    EIN 274355636 · Headquarters: WALLINGFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Growing Communities Inc

    EIN 271233208 · Headquarters: Guilford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  50. Growing Great Schools Inc

    EIN 461662462 · Headquarters: West Hartford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Growing Possibilities Inc

    EIN 270581545 · Headquarters: Bethel, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2017 · Primary form: IRS Form 990

  52. Growing Stronger Inc

    EIN 203978005 · Headquarters: WILLIMANTIC, CT, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. Growpac Ct Inc

    EIN 821195632 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. Grumbling Gryphons Traveling Childrens Theatre

    EIN 222576189 · Headquarters: West Cornwall, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Grupo Contreras Foundation Corp

    EIN 991832313 · Headquarters: MERIDEN, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Gsocc Boosters Inc

    EIN 841936823 · Headquarters: WESTPORT, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Gsr District 6

    EIN 811159339 · Headquarters: Stamford, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Guanyin Citta Inc

    EIN 921679362 · Headquarters: HAMDEN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Guardian Ad Litem Services Inc

    EIN 300124161 · Headquarters: NAUGATUCK, CT, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Guardian Giving Alliance Inc

    EIN 331793342 · Headquarters: WATERTOWN, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Guardian Health Association Inc

    EIN 061602723 · Headquarters: West Haven, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Guardian of the Galapagos Co

    EIN 841954044 · Headquarters: CHESHIRE, CT, USA · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  63. Guardians of the Purple Heart

    EIN 814447989 · Headquarters: East Lyme, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Guardianship and Advocacy Resource Program Inc

    EIN 222546012 · Headquarters: STAMFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  65. Guberti Giving Inc

    EIN 815329969 · Headquarters: GREENWICH, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Guest House Retreat & Conference Center

    EIN 203692127 · Headquarters: Chester, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Guide Inc

    EIN 061411142 · Headquarters: Norwich, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Guided by Goats Inc

    EIN 884151066 · Headquarters: Cheshire, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Guideposts a Church Corporation

    EIN 237442277 · Headquarters: DANBURY, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-T

  70. Guiding Light Orphans Inc

    EIN 352418087 · Headquarters: Avon, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  71. Guildford High School Theater Arts Parents Support Group

    EIN 061328842 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Guilford a Better Chance Inc Guilford a Better Chance Inc

    EIN 237417687 · Headquarters: GUILFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Guilford Agricultural Society Inc Guilford Agricultural Society Inc

    EIN 060913331 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  74. Guilford Art Center

    EIN 066089567 · Headquarters: Guilford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Guilford Association of Educational Support Services Inc

    EIN 320240596 · Headquarters: GUILFORD, CT, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  76. Guilford Boys Hockey Boosters Inc

    EIN 934264411 · Headquarters: GUILFORD, CT, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  77. Guilford Center for Children Inc

    EIN 060876677 · Headquarters: GUILFORD, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Guilford Civic Women Inc

    EIN 060955046 · Headquarters: GUILFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  79. Guilford Community Fund

    EIN 066069645 · Headquarters: GUILFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Guilford Community Garden Hub Inc

    EIN 465298239 · Headquarters: Guilford, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Guilford Community Television

    EIN 061349846 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Guilford Cubs

    EIN 995029375 · Headquarters: Guilford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Guilford Day Inc

    EIN 872566708 · Headquarters: Guilford, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Guilford Dugout Club

    EIN 882875850 · Headquarters: guilford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Guilford Employees Association

    EIN 061530498 · Headquarters: Guilford, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Guilford Free Public Library Asso Inc

    EIN 066034298 · Headquarters: Guilford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Guilford Fund for Education Inc

    EIN 208879908 · Headquarters: GUILFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  88. Guilford High School Project Graduation 2014

    EIN 464808326 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Guilford Hs Girls Lacrosse Inc

    EIN 334773935 · Headquarters: Guiford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Guilford Interfaith Housing Corp

    EIN 237242242 · Headquarters: Guilford, CT, US · Housing & Shelter · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  91. Guilford Interfaith Ministries Inc Dba Guilford Interfaith Volunteers

    EIN 061139541 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Guilford Lakes Pto Inc

    EIN 320304452 · Headquarters: GUILFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Guilford Land Conservation Trust Inc

    EIN 060851698 · Headquarters: Guilford, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Guilford Performing Arts Festival

    EIN 824648770 · Headquarters: GUILFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Guilford Police Benevolent Association

    EIN 061435724 · Headquarters: Guilford, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  96. Guilford Police Union Local #356 Afscme Afl-cio

    EIN 061307522 · Headquarters: GUILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Guilford Preservation Alliance Inc

    EIN 061033599 · Headquarters: GUILFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Guilford Rescue Squad Company 5 Incorporated

    EIN 811564764 · Headquarters: Guilford, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Guilford Rotary Club Memorial Educational Fund Inc

    EIN 237050685 · Headquarters: GUILFORD, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Guilford Rowing Inc

    EIN 202542719 · Headquarters: GUILFORD, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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