Nonprofits in South Windsor, Connecticut

Nonprofits in South Windsor, Connecticut. Browse 178 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. 28675834 Litmindtree Megaminds

    EIN 933095289 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. A C T International Inc

    EIN 522196547 · Headquarters: South Windsor, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Abe E Miller American Legion Auxiliary Unit 133

    EIN 821166147 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Ace Youth Project Llc

    EIN 383840105 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Africa Education Partnership Inc

    EIN 274082470 · Headquarters: SOUTH WINDSOR, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Al Fenton Big Band Inc

    EIN 921493759 · Headquarters: South Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Amateur Athletic Union of the United States

    EIN 471861822 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  8. Ambrose Alli University Alumni Association North America

    EIN 824867333 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  9. American Federation of State County & Municipal Employees

    EIN 061090474 · Headquarters: South Windsor, CT, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. American Legion

    EIN 066107576 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Students for Educational Liberty

    EIN 850756635 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  12. American Wheat Mission Inc

    EIN 352393848 · Headquarters: South Windsor, CT, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. Beyond Yourself Foundation

    EIN 934836649 · Headquarters: South Windsor, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  14. Blocks of Hope Inc

    EIN 994235601 · Headquarters: SOUTH WINDSOR, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Books & Blankets Donations for the Border Corporation

    EIN 394066996 · Headquarters: South Windsor, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Boy Scouts of America Troop 880

    EIN 432053080 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Brewery Workers Local Union No 1035

    EIN 060915620 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Business and Professional Micro Computer Users Group Inc

    EIN 061400052 · Headquarters: South Windsor, CT, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Cabo Verdeans United Foundation

    EIN 932615441 · Headquarters: South Windsor, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Cabo Verdeans United Organization

    EIN 050519411 · Headquarters: South Windsor, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Carter Cares Inc

    EIN 454998199 · Headquarters: SOUTH WINDSOR, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Chatham-beech Charitable Foundation

    EIN 226374659 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Cipbr

    EIN 061531474 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Classical Association of Connecticut Inc

    EIN 061159856 · Headquarters: South Windsor, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Connecticut Association of Women Police Inc

    EIN 061099694 · Headquarters: SOUTH WINDSOR, CT, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  26. Connecticut Attack

    EIN 452508897 · Headquarters: South Windsor, CT, USA · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990

  27. Connecticut Chapter of the American Planning Associates

    EIN 222511702 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Connecticut Chiropractic Council

    EIN 061367651 · Headquarters: SOUTH WINDSOR, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Connecticut Coalition for Race Amity

    EIN 853235249 · Headquarters: SOUTH WINDSOR, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Connecticut Education Association

    EIN 237107189 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Connecticut Education Association

    EIN 530139562 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Connecticut Jaycees Inc

    EIN 061338877 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. Connecticut Junior Women Inc

    EIN 061273957 · Headquarters: SOUTH WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Connecticut Korean War Veterans Memorial Foundation

    EIN 263807803 · Headquarters: South Windsor, CT, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Connecticut Military Corvette Club Inc

    EIN 472310660 · Headquarters: South Windsor, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Ct Women at Work Moms Club

    EIN 900843697 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  37. Ct Youth Robotics Co

    EIN 842427522 · Headquarters: South Windsor, CT, US · Youth Development · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Daniel J Griffin Memorial Foundationinc

    EIN 010691315 · Headquarters: SOUTH WINDSOR, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Donald C Brace Foundation

    EIN 133442680 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  40. Down to Earth Garden Club

    EIN 882910169 · Headquarters: South Windsor, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. East Hartford Rotary Scholarship Tr

    EIN 066026443 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. Echn Wellness Services Inc

    EIN 061360082 · Headquarters: SOUTH WINDSOR, CT, USA · Health Care · Latest available filing year: 2010 · Primary form: IRS Form 990

  43. Eli Terry Elementary School Pto

    EIN 061533418 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Evergreen Masonic Association Inc Dba Oriental Evergreen Masonic Bldg

    EIN 066069243 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. Finding Peace Campaign

    EIN 274683780 · Headquarters: South Windsor, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  46. Fish of South Windsor

    EIN 061157838 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  47. For Tomorrow

    EIN 932963677 · Headquarters: South Windsor, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  48. Foundation for Orthopedic Reconstruction Inc

    EIN 454445886 · Headquarters: South Windsor, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  49. Friends of the South Windsor Public Library

    EIN 060999312 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Functional Use of Nature at Groton Corporation

    EIN 261539703 · Headquarters: South Windsor, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Furpocalypse Inc

    EIN 201155167 · Headquarters: SOUTH WINDSOR, CT, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. G&r Valley Company Inc Health and Welfare Trust

    EIN 222496295 · Headquarters: SOUTH WINDSOR, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990

  53. Golf Fore the Kids Inc

    EIN 204406346 · Headquarters: SOUTH WINDSOR, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Grateful Acts Project Inc

    EIN 332655987 · Headquarters: SOUTH WINDSOR, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Greater Hartford Twilight Baseball League

    EIN 384037429 · Headquarters: SOUTH WINDSOR, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Hartford Bags of Love

    EIN 814805313 · Headquarters: South Windsor, CT, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  57. Hartford County 4-H Camp Inc

    EIN 066071412 · Headquarters: South Windsor, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Hartford Evergreen Lodge 88

    EIN 066037234 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  59. Hoichoi Inc

    EIN 843640799 · Headquarters: South Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Home Builders & Remodelers Assoc of Connecticut Inc

    EIN 060803244 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Hoysala Kannady Koota Association of Connecticut Inc

    EIN 383788241 · Headquarters: South Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. India Arts Foundation

    EIN 475360237 · Headquarters: South Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. International Association of Jewish Genealogical Societies Inc

    EIN 463705741 · Headquarters: SOUTH WINDSOR, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. International Association of Lions Club

    EIN 994481169 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. International Association of Lions Clubs

    EIN 066068765 · Headquarters: South Windsor, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Jocelyns Run a Marathon of Support Inc

    EIN 270178593 · Headquarters: South Windsor, CT, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  67. Karen Giannamore Scholarship Fund Inc

    EIN 061629224 · Headquarters: SOUTH WINDSOR, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Keeney Foundation Inc Nancy Marikar Executive Secretary

    EIN 066033949 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. Knights of Columbus

    EIN 066040707 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Knights of Columbus

    EIN 237137305 · Headquarters: South Windsor, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. Knights of Peter Claver

    EIN 800686247 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Lambda Theta Alpha

    EIN 271031876 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  73. Larry Duprey Scholarship Foundation Inc

    EIN 061030723 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  74. Lion of Judah Outreach

    EIN 832183729 · Headquarters: SOUTH WINDSOR, CT, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  75. Local 1035 Health Service and Insurance Plan

    EIN 060997832 · Headquarters: SOUTH WINDSOR, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Ludc Booster Club

    EIN 873001431 · Headquarters: South Windsor, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Mazolu Animal Sanctuary

    EIN 861638816 · Headquarters: South Windsor, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Melissa Makes Bears Inc

    EIN 371632730 · Headquarters: SOUTH WINDSOR, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Melissa Makes Bears Llc

    EIN 270504031 · Headquarters: SOUTH WINDSOR, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  80. Moms Club

    EIN 562512204 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Most Worshipful Prince Hall Grd Ldg of Free and Acptd Masons of Ct Inc

    EIN 061313142 · Headquarters: South Windsor, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  82. National Air Traffic Controllers Association Afl-cio

    EIN 043539676 · Headquarters: South Windsor, CT, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  83. National Skal Committee of the United State of America Inc

    EIN 237155857 · Headquarters: SOUTH WINDSOR, CT, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  84. National Society of the Daughters of the American Revolution

    EIN 270702040 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Neurofibromatosis Student Alliance

    EIN 332537831 · Headquarters: South Windsor, CT, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. New Testament Church of God

    EIN 260014631 · Headquarters: SOUTH WINDSOR, CT, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. Ofuobi Women Organization of Connecticut

    EIN 821518823 · Headquarters: South Windsor, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  88. Orchard Hill Parent Teachers Organization

    EIN 222816555 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. P & W a Engineering Retirees Club

    EIN 061018148 · Headquarters: South Windsor, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Parichoy Bengali Association of Connecticut Inc

    EIN 883147986 · Headquarters: South Windsor, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Paul a Bolduc Charitable Foundation Inc

    EIN 842477131 · Headquarters: SOUTH WINDSOR, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Philip R Smith School Parent Teachers Organization

    EIN 060964606 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Pitbullary

    EIN 870839059 · Headquarters: SOUTH WINDSOR, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Pixology Foundation

    EIN 920477774 · Headquarters: south windsor, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Pleasant Valley Pto

    EIN 061413719 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Pops Community Kitchen

    EIN 393743609 · Headquarters: SOUTH WINDSOR, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Rang De Storrs Corp

    EIN 994572071 · Headquarters: South Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Rave Booster Club

    EIN 843008091 · Headquarters: South Windsor, CT, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  99. Ray Beller Music Scholarship Corporation

    EIN 202756056 · Headquarters: South Windsor, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Reading Room Inc

    EIN 113727613 · Headquarters: South Windsor, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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