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. Crew 3000 Inc

    EIN 364906051 · Headquarters: Watertown, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Crew Ct-the Real Estate Exchange Inc

    EIN 061219446 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Crew Haven Corporation

    EIN 854187503 · Headquarters: Gales Ferry, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Cricket Hall of Fame Musuem

    EIN 882675334 · Headquarters: Hartford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Crime Watch of Stratford Connecticut Inc

    EIN 061072381 · Headquarters: STRATFORD, CT, US · Crime & Legal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  6. Criminal Justice Institute Inc

    EIN 132926247 · Headquarters: MIDDLETOWN, CT, USA · Crime & Legal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  7. Criminon Connecticut Inc

    EIN 061503521 · Headquarters: Naugatuck, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Crippin Canine Rescue and Hospice Care

    EIN 843413445 · Headquarters: Lisbon, CT, US · Animal Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  9. Crisis Pregnancy Center Inc

    EIN 222514408 · Headquarters: WINCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  10. Crisis Ready Media Inc

    EIN 934927139 · Headquarters: Ridgefield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Criterion Institute

    EIN 273458737 · Headquarters: HADDAM, CT, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  12. Critical Urgent Donations for Animals Inc

    EIN 271480750 · Headquarters: Hamden, CT, US · Animal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  13. Critter Connection Inc

    EIN 202672045 · Headquarters: DURHAM, CT, US · Animal Related · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  14. Crn Helping Hands Inc

    EIN 203214948 · Headquarters: Middletown, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Croatian Fraternal Union of America

    EIN 066049621 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Croatian Fraternal Union of America

    EIN 066049626 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Cromwell Arts Alliance

    EIN 811319728 · Headquarters: Cromwell, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Cromwell Athletic Club Inc

    EIN 061279027 · Headquarters: CROMWELL, CT, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Cromwell Childrens Coalition Inc

    EIN 825197553 · Headquarters: Cromwell, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Cromwell Chill Soccer Club

    EIN 061390596 · Headquarters: Cromwell, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. Cromwell Creative District Inc

    EIN 852982199 · Headquarters: Cromwell, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Cromwell Farmers Market Corp

    EIN 473766357 · Headquarters: Cromwell, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Cromwell Fire Department Members Assoc

    EIN 882966490 · Headquarters: Cromwell, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Cromwell High School Baseball Boosters Club

    EIN 900680832 · Headquarters: Cromwell, CT, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Cromwell Hillside Cemetery Association Inc

    EIN 901900962 · Headquarters: Cromwell, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. Cromwell Historical Society Inc

    EIN 066077071 · Headquarters: Cromwell, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Cromwell Middle School Parent Teacher Organization

    EIN 061482539 · Headquarters: Cromwell, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Cromwell Outboard Assoc Inc

    EIN 061501435 · Headquarters: CROMWELL, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Cromwell Panther Football Club

    EIN 061585944 · Headquarters: CROMWELL, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Cromwell Police Benevolent Assoc C/o Elizabeth Jones

    EIN 364637788 · Headquarters: CROMWELL, CT, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Cromwell Professional Firefighters Local 4662

    EIN 332118034 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Cromwell Rebels Travel Basketball

    EIN 061536371 · Headquarters: Cromwell, CT, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Cromwell Youth Football & Cheer Corp

    EIN 993246794 · Headquarters: Cromwell, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Crosby Commons Inc

    EIN 061505334 · Headquarters: SHELTON, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Crosby Fund for Haitian Educ Inc

    EIN 201283220 · Headquarters: OLD LYME, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Crosby Sports Hall of Fame Corp

    EIN 991922218 · Headquarters: Waterbury, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Cross Cultural Academy of Arts and Technology Inc

    EIN 205100781 · Headquarters: HARWINTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  38. Cross Street Training & Academic Center Inc

    EIN 203073111 · Headquarters: Middletown, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  39. Cross-company Abuse Liability Council Inc

    EIN 473376169 · Headquarters: Lebanon, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Crossing Thresholds Inc

    EIN 263924756 · Headquarters: WILTON, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Crosslit Inc

    EIN 392251416 · Headquarters: DARIEN, CT, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Crossover Music Magazine

    EIN 394221977 · Headquarters: Shelton, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Crossroads 4 Christ Inc

    EIN 823889116 · Headquarters: BLOOMFIELD, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Crossroads Community International Fellowship Inc

    EIN 550806288 · Headquarters: MANCHESTER, CT, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Crossroads Cooperative Learning Program Inc

    EIN 522368206 · Headquarters: Simsbury, CT, USA · Youth Development · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  46. Crossroads Inc

    EIN 237336997 · Headquarters: NEW HAVEN, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2016 · Primary form: IRS Form 990

  47. Crossroads Ranch Inc

    EIN 510554106 · Headquarters: Plainville, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Crossroads Springs Africa Inc

    EIN 800480509 · Headquarters: Sherman, CT, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Crossroads Xp

    EIN 392941655 · Headquarters: Chester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Crosswicks Foundation Ltd

    EIN 132732197 · Headquarters: GOSHEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  51. Crow Hill Foundation

    EIN 061475924 · Headquarters: RIVERSIDE, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. Crowdfunding Global Alliance Inc

    EIN 821216380 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Cruisin for Chris Inc

    EIN 271788929 · Headquarters: North Grosvenordale, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Crutches 4 Kids Inc

    EIN 271039186 · Headquarters: WESTPORT, CT, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Crystal Lake Agricultural Youth Farm Inc

    EIN 263711522 · Headquarters: Tolland, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  56. Crystal Lake Cemetery Assoc Inc

    EIN 061401781 · Headquarters: Stafford Springs, CT, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  57. Crystal Lake Historical Society Inc

    EIN 571231589 · Headquarters: Ellington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Crystal Lake School Parent-teacher

    EIN 161359794 · Headquarters: Ellington, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Crystal Pond Association Inc

    EIN 061254986 · Headquarters: Eastford, CT, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Crystal Theatre Inc

    EIN 061351921 · Headquarters: Norwalk, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Cs Boundless Animal Rescue Inc

    EIN 393353354 · Headquarters: DANBURY, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Cs Craig Family Foundation Inc C/o Craig Capital Corporation

    EIN 061502485 · Headquarters: GREENWICH, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. CS Explorers Inc

    EIN 812035251 · Headquarters: Easton, CT, USA · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  64. Cs4all Corporation

    EIN 992101694 · Headquarters: Bethany, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Csda Inc

    EIN 331215636 · Headquarters: Bristol, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Csda Incorporated

    EIN 222475595 · Headquarters: Clinton, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  67. Csea Seiu Local 2001 Fund for Political Action

    EIN 841909668 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Csea Social Activities Committee

    EIN 271824782 · Headquarters: Hartford, CT, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Csea Staff Union

    EIN 352282398 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Csf Leak Research Corporation

    EIN 463768962 · Headquarters: New Canaan, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  71. CSI Residential INC

    EIN 311584385 · Headquarters: New Britain, CT, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. CSMS Physicians' Health & Education Fund

    EIN 061425205 · Headquarters: North Haven, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Csms-ipa Charitable Organization Inc

    EIN 272860054 · Headquarters: NORTH HAVEN, CT, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Csp Emerald Society Inc

    EIN 392593721 · Headquarters: Wallingford, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Csp K9 Foundation Inc

    EIN 821567769 · Headquarters: Wethersfield, CT, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Csp Litchfield Police Cadets Post 074 Inc

    EIN 471406908 · Headquarters: Litchfield, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Cssga Foundation Inc

    EIN 412147339 · Headquarters: SOUTHPORT, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Csz Foundation Inc

    EIN 852687045 · Headquarters: AVON, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. CT 169 Strong

    EIN 884230808 · Headquarters: New Canaan, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. CT Against Gun Violence Education Fund Inc

    EIN 061460665 · Headquarters: Ridgefield, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. CT Against Gun Violence Inc

    EIN 061363223 · Headquarters: Ridgefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Ct Allied Youth Football and Cheer Confe

    EIN 471088539 · Headquarters: TORRINGTON, CT, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  83. Ct Alpha Sigma Phi Epsilon Fraternity

    EIN 475553343 · Headquarters: STORRS MANSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Ct Alternative Practice Dental Hygienists Association

    EIN 273631880 · Headquarters: Canterbury, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  85. Ct Animal House

    EIN 264028219 · Headquarters: WATERFORD, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Ct Art Education Assn - Scholastic

    EIN 461446606 · Headquarters: Ansonia, CT, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Ct Assn of School Psychologists

    EIN 880678607 · Headquarters: CHESHIRE, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Ct Assoc Resident Services Coordinators

    EIN 061574971 · Headquarters: Wethersfield, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Ct Association of Area Agencies on Aging

    EIN 223250652 · Headquarters: Norwich, CT, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Ct Association of Health Plans Inc C/o Robinson & Cole

    EIN 061414026 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Ct Association of Home Care Registries Inc

    EIN 205963805 · Headquarters: New Canaan, CT, US · Health Care · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  92. Ct Associaton of School Librarians

    EIN 060943020 · Headquarters: Burlington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Ct Athletic Booster Club

    EIN 822196672 · Headquarters: Hamden, CT, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  94. Ct Ballers United Inc

    EIN 392588059 · Headquarters: Monroe, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Ct Bar Institute Inc

    EIN 061577626 · Headquarters: MERIDEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Ct Bearcats

    EIN 823659818 · Headquarters: Colchester, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Ct Beds

    EIN 334544319 · Headquarters: WEST HAVEN, CT, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Ct Bhangra Association Inc

    EIN 465449955 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  99. Ct Bipoc Mental Health & Wellness Alliance

    EIN 872008889 · Headquarters: New London, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Ct Blazers Inc

    EIN 921706131 · Headquarters: Norwalk, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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