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. Roxbury Historical Society Inc

    EIN 061083466 · Headquarters: Roxbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  2. Roxbury Horse Association Inc

    EIN 061582653 · Headquarters: Roxbury, CT, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  3. Roxbury Housing Trust Inc

    EIN 921121682 · Headquarters: Roxbury, CT, US · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Roxbury Land Trust

    EIN 237098549 · Headquarters: Roxbury, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Roxbury Organization of Parents and Educators

    EIN 222521077 · Headquarters: STAMFORD, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Roxbury Parent-teacher Organization

    EIN 237009941 · Headquarters: Roxbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Roxbury Scholarship Foundation Inc

    EIN 237073368 · Headquarters: ROXBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Roxbury Senior Housing Inc Bernhardt Meadow

    EIN 061532359 · Headquarters: ROXBURY, CT, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  9. Roxbury Swim & Tennis Club Inc

    EIN 060741988 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Roxbury Volunteer Fire Department

    EIN 060959487 · Headquarters: ROXBURY, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2019 · Primary form: IRS Form 990

  11. Roy B Pettengill Ambulance Assoc

    EIN 061601165 · Headquarters: Marlborough, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Royal & Select Masters of Connecticut

    EIN 237123380 · Headquarters: Brookfield, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  13. Royal & Select Masters of Rhode Island

    EIN 473373128 · Headquarters: Stonington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Royal and Select Masters of Connect Icut

    EIN 237123377 · Headquarters: New Haven, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Royal and Select Masters of Connectictut

    EIN 237217352 · Headquarters: MILFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  16. Royal and Select Masters of Connecticu

    EIN 237123386 · Headquarters: Brookfield, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  17. Royal and Select Masters of Connecticut

    EIN 061100035 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Royal and Select Masters of Connecticut

    EIN 066046618 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Royal and Select Masters of Connecticut

    EIN 066049931 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Royal and Select Masters of Connecticut

    EIN 066066086 · Headquarters: Collinsville, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Royal and Select Masters of Connecticut

    EIN 237123374 · Headquarters: Willimantic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Royal and Select Masters of Connecticut

    EIN 237123376 · Headquarters: Preston, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Royal and Select Masters of Connecticut

    EIN 237123381 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Royal and Select Masters of Connecticut

    EIN 237216223 · Headquarters: Suffield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Royal and Select Masters of Connecticut

    EIN 237337159 · Headquarters: Clinton, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  26. Royal and Select Masters of Connecticut Most Puissant Grd Conl

    EIN 237188651 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Royal and Select Masters of Connecticut Most Ruissant Gap Conl

    EIN 823394752 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Royal and Select Masters of Conneticut

    EIN 223221128 · Headquarters: Trumbull, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  29. Royal and Select Masters of Ct Crawford 19

    EIN 066055661 · Headquarters: West Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Royal Arch Mason of Connecticut

    EIN 237119361 · Headquarters: MILFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  31. Royal Arch Masons 23 Eureka Chapter

    EIN 066057944 · Headquarters: Brookfield, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  32. Royal Arch Masons of Connecticut

    EIN 060989981 · Headquarters: EAST GRANBY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Royal Arch Masons of Connecticut

    EIN 066039295 · Headquarters: Stratford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Royal Arch Masons of Connecticut

    EIN 066045654 · Headquarters: Preston, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Royal Arch Masons of Connecticut

    EIN 066065542 · Headquarters: SANDY HOOK, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  36. Royal Arch Masons of Connecticut

    EIN 237119334 · Headquarters: Willimantic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Royal Arch Masons of Connecticut

    EIN 237119335 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Royal Arch Masons of Connecticut

    EIN 237119337 · Headquarters: Waterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. Royal Arch Masons of Connecticut

    EIN 237119339 · Headquarters: East Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Royal Arch Masons of Connecticut

    EIN 237119340 · Headquarters: Ellington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  41. Royal Arch Masons of Connecticut

    EIN 237119345 · Headquarters: Cheshire, CT, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  42. Royal Arch Masons of Connecticut

    EIN 237119346 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Royal Arch Masons of Connecticut

    EIN 237119347 · Headquarters: East Hampton, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. Royal Arch Masons of Connecticut

    EIN 237119348 · Headquarters: Suffield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Royal Arch Masons of Connecticut

    EIN 237119349 · Headquarters: Collinsville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Royal Arch Masons of Connecticut

    EIN 237119357 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Royal Arch Masons of Connecticut

    EIN 237119359 · Headquarters: West Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Royal Arch Masons of Connecticut

    EIN 823374041 · Headquarters: Stratford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Royal Order of Jesters

    EIN 237151553 · Headquarters: Waterbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Royal Order of Jesters Hartford Court No 141

    EIN 237151578 · Headquarters: Newington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Royal Scottish Country Dance Society

    EIN 061225701 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Royal Touch Impact

    EIN 882490392 · Headquarters: Waterbury, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Royalandselectmastersofconnecticut

    EIN 237108833 · Headquarters: STRATFORD, CT, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  54. Royals Inc

    EIN 474014081 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  55. Royce Family Fund Inc C/o Royce & Associates

    EIN 133318620 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Rpms Meal Train

    EIN 871428358 · Headquarters: Danbury, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Rrb Foundation

    EIN 911778815 · Headquarters: NEW HAVEN, CT, USA · Crime & Legal Related · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  58. RTA Incorporated

    EIN 060768741 · Headquarters: New Haven, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Ru Titanium Inc

    EIN 844870347 · Headquarters: FAIRFIELD, CT, US · Crime & Legal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. Rubicon Seven Foundation

    EIN 263453469 · Headquarters: Ridgefield, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Ruby Slipper Cancer Foundation for Children Inc

    EIN 263637877 · Headquarters: GLASTONBURY, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  62. Rude Dog Boxing

    EIN 611787035 · Headquarters: Danielson, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Rudel Gam Welfare Chartiable Trust Inc

    EIN 920966248 · Headquarters: OXFORD, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Ruff & Rescue Inc

    EIN 842655929 · Headquarters: South Windsor, CT, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. Ruff and Scratchy Incorporated

    EIN 455027309 · Headquarters: Hamden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Rumsey Hall School

    EIN 060692379 · Headquarters: Washington Depot, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Run for the Fallen Ct

    EIN 474074648 · Headquarters: Plainfield, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Run Nlc Incorporation

    EIN 262879034 · Headquarters: Jewett City, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  69. Runaway Grrrl Foundation

    EIN 460736383 · Headquarters: Union, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Running for Rescues

    EIN 275484133 · Headquarters: MIDDLETOWN, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Rural Homes Ltd

    EIN 061007256 · Headquarters: PLAINFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Rushford Center Inc

    EIN 060932875 · Headquarters: Meriden, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2023 · Primary form: IRS Form 990

  73. Rushford Foundation Inc

    EIN 061432692 · Headquarters: Meriden, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. Russel R Taylor Foundation

    EIN 061483968 · Headquarters: GREENWICH, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  75. Russo Family Foundation Inc

    EIN 061552407 · Headquarters: FAIRFIELD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Russo Foundation Inc

    EIN 061641951 · Headquarters: Middletown, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. Rusty Red Foundation Corp

    EIN 262042152 · Headquarters: NEW CANAAN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  78. Ruth & Robert L Newman Foundation

    EIN 132961121 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Ruth Ann Heller Music Foundation

    EIN 061634043 · Headquarters: OLD LYME, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Ruth Du Pont Lord Charitable Trust Co Pauline Lord

    EIN 476814522 · Headquarters: EAST LYME, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  81. Ruth E Lawrence Fund Inc

    EIN 066069935 · Headquarters: Middletown, CT, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  82. Ruth F and Henry W Klein Foundation Inc

    EIN 136068385 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Ruth K Patten Tuw Fbo Charities

    EIN 066088948 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. Ruth Lloyd Trust Fbo Metropolitan Museum of Art (Lwb)

    EIN 136844377 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Ruths House Inc

    EIN 834522165 · Headquarters: TRUMBULL, CT, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Ruths Kids Closet Inc

    EIN 921815579 · Headquarters: NEW HAVEN, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Rvnahealth Inc

    EIN 060646613 · Headquarters: RIDGEFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Rw Solutions Inc

    EIN 933961863 · Headquarters: NEW BRITAIN, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Rwaf Corporation Inc

    EIN 270447274 · Headquarters: Cromwell, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  90. Rwanda One Hill At A Time Inc

    EIN 263328221 · Headquarters: Rowayton, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Rwmd Scholarship Fund Inc C/o Laurence Nadel Esq

    EIN 921810984 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  92. Ryan a Ramirez Memorial Fund Inc

    EIN 861064011 · Headquarters: COVENTRY, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Ryan B K Marshall Foundation Incorporated

    EIN 921446935 · Headquarters: Waterford, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Ryan French Memorial Scholarship Fund

    EIN 814859985 · Headquarters: North Grosvenordale, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Ryan Gomes Inc

    EIN 320213699 · Headquarters: Plantsville, CT, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  96. Ryan Martin Foundation Inc

    EIN 452647478 · Headquarters: NORWALK, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Ryans Rebels

    EIN 811525355 · Headquarters: Trumbull, CT, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Rydas 4 Righteousness Mm Inc

    EIN 462143203 · Headquarters: HAMDEN, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Ryder Memorial

    EIN 822965713 · Headquarters: Glastonbury, CT, US · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Rydin Family Foundation

    EIN 472995685 · Headquarters: WEST HARTFORD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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