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. Kinetic Kids Parents Club

    EIN 061439307 · Headquarters: Oxford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. King Cobra Conservancy Inc

    EIN 821173317 · Headquarters: BERLIN, CT, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. King Philip Middle School Parent Teacher Organization Inc

    EIN 222777628 · Headquarters: West Hartford, CT, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  4. King Philip Middle School Pto Inc

    EIN 413002032 · Headquarters: WEST HARTFORD, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. King School Inc

    EIN 061229222 · Headquarters: STAMFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. King Solomons Temple Corporation of Woodbury

    EIN 300716514 · Headquarters: Woodbury, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. King Street School Parent Teacher Organization

    EIN 061014734 · Headquarters: Danbury, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. King's House Church

    EIN 452517378 · Headquarters: Meriden, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Kingdom Alliance Corporation Inc

    EIN 813158958 · Headquarters: New London, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Kingdom Alliance Ministries

    EIN 923839420 · Headquarters: Durham, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Kingdom Builder Ministries Inc

    EIN 452042350 · Headquarters: Northford, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Kingdom Game Club Inc

    EIN 061468309 · Headquarters: Harwinton, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Kingdom Impact Worship Center International

    EIN 263305972 · Headquarters: Manchester, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Kingdom International Economic Development Corp

    EIN 061303407 · Headquarters: East Hartford, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Kingdom Life Community Resource Center Inc

    EIN 061538117 · Headquarters: Milford, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  16. Kingdom Master Builders Inc

    EIN 393362261 · Headquarters: Bethany, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Kingdom Reality Ministries Inc

    EIN 204246727 · Headquarters: CHESTER, CT, USA · Religion Related · Latest available filing year: 2011 · Primary form: IRS Form 990

  18. Kingdom Sisters Outreach Ministries Inc

    EIN 813597646 · Headquarters: BRIDGEPORT, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  19. Kingdoms Little Ones in Christ Inc

    EIN 061547057 · Headquarters: BRIDGEPORT, CT, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  20. Kings & Couriers Theatre Company Inc

    EIN 510192426 · Headquarters: Sharon, CT, US · Arts, Culture & Humanities · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  21. Kings Chapel Early Care & Education Center Inc

    EIN 454029203 · Headquarters: Hartford, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  22. Kings Daughters and Sons Housing Inc

    EIN 060915002 · Headquarters: NORWALK, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Kings Highway School Pta C/o Andre Dassori

    EIN 060994200 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Kings International Missions Corporation

    EIN 852750591 · Headquarters: Windsor, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Kings Loyal Americans Jessups Corps Inc

    EIN 414005636 · Headquarters: Amston, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Kings Mark Resource Conservation & Develop Proj Inc Agri Center

    EIN 060946873 · Headquarters: Bristol, CT, US · Environment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  27. Kingsley Trust Association

    EIN 060706508 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Kingswood Oxford School Inc

    EIN 060646688 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Kinsella Magnet School of Performing Arts Pto

    EIN 834483505 · Headquarters: HARTFORD, CT, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. Kinship 4 Kids Inc

    EIN 205152386 · Headquarters: Oakdale, CT, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. Kirmar Foundation

    EIN 461626228 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Kisses from Katie Inc

    EIN 264680904 · Headquarters: Milford, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Kit and Kaboodle Productions Inc

    EIN 061297349 · Headquarters: West Suffield, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  34. Kitemaug Orchard Association

    EIN 222489563 · Headquarters: UNCASVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. Kitengie Foundation Inc

    EIN 834314535 · Headquarters: BRIDGEPORT, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Kitten Associates Inc

    EIN 273597692 · Headquarters: NEWTOWN, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Kitty Angels of Connecticut Inc

    EIN 223311218 · Headquarters: Coventry, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Kitty Gang Rescue Inc

    EIN 413135963 · Headquarters: SHELTON, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Kitty Harbor

    EIN 550809688 · Headquarters: JEWETT CITY, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Kitty Kat Rescue

    EIN 823947237 · Headquarters: Oakville, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Kitty Quarters Inc

    EIN 471040576 · Headquarters: Torrington, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Kiwanis Club Foundation of Greater Danbury Inc

    EIN 352413379 · Headquarters: Danbury, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Kiwanis Club of Cromwell

    EIN 061066263 · Headquarters: CROMWELL, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  44. Kiwanis Club of Fairfield

    EIN 066069269 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Kiwanis Club of Greenwich Foundation Inc

    EIN 061029984 · Headquarters: Stamford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Kiwanis Club of Meriden Inc

    EIN 066057053 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  47. Kiwanis Club of Milford Connecticut Foundation Inc

    EIN 463994464 · Headquarters: MILFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Kiwanis Club of Milford Inc

    EIN 066070311 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Kiwanis Club of New London Foundation

    EIN 882998414 · Headquarters: New London, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Kiwanis Club of Southington Foundation

    EIN 816543199 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. Kiwanis Club of West Hartford Community Service Foundation

    EIN 061809960 · Headquarters: West Hartford, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Kiwanis Club of Weston Foundation Inc

    EIN 061468625 · Headquarters: Weston, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. Kiwanis Foundation of Fairfield Inc

    EIN 061485205 · Headquarters: Fairfield, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Kiwanis Foundation of Greater Enfield

    EIN 392539612 · Headquarters: Enfield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Kiwanis Foundation of Meriden Connecticut Inc

    EIN 061032979 · Headquarters: MERIDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Kiwanis International

    EIN 066071080 · Headquarters: Watertown, CT, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  57. Kiwanis International Inc

    EIN 060846285 · Headquarters: New London, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Kiwanis International Inc

    EIN 060848331 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Kiwanis International Inc

    EIN 060849951 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Kiwanis International Inc

    EIN 061037445 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. Kiwanis International Inc

    EIN 061220809 · Headquarters: LEBANON, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  62. Kiwanis International Inc

    EIN 061242176 · Headquarters: Greenwich, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  63. Kiwanis International Inc

    EIN 061586245 · Headquarters: WESTBROOK, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. Kiwanis International Inc

    EIN 066036884 · Headquarters: New Canaan, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  65. Kiwanis International Inc

    EIN 066043180 · Headquarters: Wilton, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Kiwanis International Inc

    EIN 066068556 · Headquarters: Danbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  67. Kiwanis International Inc

    EIN 066068557 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Kiwanis International Inc

    EIN 066068562 · Headquarters: Southington, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  69. Kiwanis International Inc

    EIN 066068644 · Headquarters: Berlin, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  70. Kiwanis International Inc

    EIN 066068645 · Headquarters: BRIDGEPORT, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Kiwanis International Inc

    EIN 066070024 · Headquarters: WALLINGFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Kiwanis International Inc

    EIN 066070337 · Headquarters: Cheshire, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Kiwanis International Inc

    EIN 066081388 · Headquarters: Watertown, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  74. Kiwanis International Inc

    EIN 237186031 · Headquarters: NORWALK, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Kiwanis International Inc

    EIN 300062850 · Headquarters: Manchester, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Kiwanis International Inc

    EIN 421686415 · Headquarters: West Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  77. Kiwanis International Inc

    EIN 510169330 · Headquarters: Weston, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Kiwanis International Inc

    EIN 993528264 · Headquarters: Enfield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Kiwanis International Inc Ko3644 the Kiwanis Club of Middletown

    EIN 066081387 · Headquarters: MIDDLETOWN, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Kiwanis International of New Britain Co Raymond Ruta

    EIN 066068561 · Headquarters: KENSINGTON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  81. Kiwanisinternationalinc

    EIN 066069270 · Headquarters: DARIEN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  82. Kiyama Movement Inc

    EIN 830920383 · Headquarters: New Haven, CT, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Kjs Legacy Project Inc

    EIN 870924400 · Headquarters: Trumbull, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Kkachi Foundation Inc

    EIN 861870648 · Headquarters: Milford, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Klassy Katz Elite Dance Team Inc

    EIN 832446510 · Headquarters: Bloomfield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Klcei Pto

    EIN 454034415 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Klein Family Foundation Inc

    EIN 263134339 · Headquarters: TRUMBULL, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Klein Memorial Auditorium Foundationinc

    EIN 061474233 · Headquarters: BRIDGEPORT, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Klesis Ministries

    EIN 061352067 · Headquarters: SIMSBURY, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Klimley Foundation

    EIN 133993555 · Headquarters: WILTON, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Klingberg Comprehensive Family Services Inc

    EIN 061370693 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Klingberg Comprehensive Program Services Inc

    EIN 060688316 · Headquarters: NEW BRITAIN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Klingberg Family Centers Inc

    EIN 061487342 · Headquarters: NEW BRITAIN, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Klingenstein Foundation

    EIN 136077894 · Headquarters: NEW CANAAN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Klub Mysliwski Los Inc

    EIN 300136426 · Headquarters: New Britain, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Kma Foundation Llc

    EIN 874697594 · Headquarters: Farmington, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Knickerbocker Golf Club Inc

    EIN 061025112 · Headquarters: NEW HAVEN, CT, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990

  98. Knight Hall School and Childcare Centerinc

    EIN 060915370 · Headquarters: WEST HARTFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Knight Intentions Today & Tomorrow Inc

    EIN 853478605 · Headquarters: Fairfield, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  100. Knight Masons of the USA

    EIN 222537529 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages