Community Improvement & Capacity Building nonprofits in Connecticut

Community Improvement & Capacity Building nonprofits in Connecticut. Browse 1,129 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. 06880 INC

    EIN 372000587 · Headquarters: WESTPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  2. 1 Freedom for All

    EIN 823270255 · Headquarters: Danbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. 100 Black Men of Stamford Inc

    EIN 061367429 · Headquarters: STAMFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. 150 Commons Way Investors Inc C/O UBS REALTY INVESTORS LLC

    EIN 061599812 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990

  5. 21 Connecticut Chapter

    EIN 066089321 · Headquarters: New Milford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  6. 2Plus of North Carolina Inc

    EIN 861086325 · Headquarters: ROCKY HILL, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990

  7. 2Tunics Inc

    EIN 931477860 · Headquarters: Bridgewater, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. 330 North Brand Inc C/o Ubs Realty Investors Llc

    EIN 200521721 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. 5Th District

    EIN 060848636 · Headquarters: Bristol, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  10. 698 South Main Street Inc

    EIN 821219894 · Headquarters: WATERBURY, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. 9027 Granby

    EIN 510183938 · Headquarters: Granby, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Aace International

    EIN 522404290 · Headquarters: Hamden, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Adha Ct Northeastern Inc

    EIN 066059492 · Headquarters: COLCHESTER, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Adp Community Outreach Center Inc

    EIN 475020228 · Headquarters: Waterbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Advancect Foundation Inc

    EIN 844530545 · Headquarters: NEW HAVEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Adversity to Prosperity

    EIN 463251386 · Headquarters: Norwalk, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Advocacy to Legacy Corp

    EIN 822688039 · Headquarters: Hartford, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Aerospace Components Manufacturers Inc

    EIN 061547223 · Headquarters: EAST HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Afsap Management Company I Inc

    EIN 261518768 · Headquarters: new canaan, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  20. Agbenyo Foundation Inc

    EIN 333084199 · Headquarters: Danbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Ahlan-ny

    EIN 834195207 · Headquarters: GREENWICH, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Aida-us Chapter Inc

    EIN 133804855 · Headquarters: Greenwich, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Aj Dimasi Foundation Inc

    EIN 991191027 · Headquarters: COS COB, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Alianca Brasileira Dos Estados Unidos Hartford Inc

    EIN 412103299 · Headquarters: Hartford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  25. Alliance for Intercollegiate Sports Medicine Inc

    EIN 262881414 · Headquarters: Storrs, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Allingtown Neighborhood Development Coal Coalition Inc

    EIN 273817734 · Headquarters: WEST HAVEN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Altrusa International Inc

    EIN 066069188 · Headquarters: Torrington, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  28. Amenuveve Inc

    EIN 845144698 · Headquarters: Westport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. American Association of University Women

    EIN 066013820 · Headquarters: New Canaan, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  30. American Association of University Women

    EIN 066043902 · Headquarters: New Canaan, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. American Association of University Women

    EIN 066048499 · Headquarters: Waterford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  32. American Association of University Women

    EIN 066048585 · Headquarters: Prospect, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  33. American Association of University Women

    EIN 237147391 · Headquarters: Ridgefield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  34. American Association of University Women Inc

    EIN 066359934 · Headquarters: Middletown, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  35. American College of Healthcare Executives

    EIN 050613539 · Headquarters: GREENWICH, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. American College of Nurse-midwives

    EIN 320133341 · Headquarters: Branford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. American Colonization Society

    EIN 222480991 · Headquarters: Danbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  38. American Electroplaters & Surface Finishers Society Inc

    EIN 222527540 · Headquarters: Wilton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  39. American Federation of State County & Municipal Employees

    EIN 061413762 · Headquarters: East Hampton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. American Humanist Association

    EIN 462792674 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  41. American Nedicine Licensing Board

    EIN 412145530 · Headquarters: Stamford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  42. American Payroll Association-hartford Chapter Inc

    EIN 475032410 · Headquarters: WEST HARTFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  43. American Society of Plumbing Engineers

    EIN 061566246 · Headquarters: Niantic, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  44. Amesville Association Inc

    EIN 061578813 · Headquarters: Salisbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Amity Chamber of Commerce

    EIN 061479767 · Headquarters: ORANGE, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Angelo Tomasso Sr Lodge Order Sons

    EIN 550830367 · Headquarters: NEW BRITAIN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  47. Ankorz Up

    EIN 932340385 · Headquarters: Bridgeport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Architecture Lobby

    EIN 465071798 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  49. Art on Groton Bank

    EIN 300491345 · Headquarters: Groton, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  50. Ashford Business Association

    EIN 454502540 · Headquarters: Ashford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  51. Asociacion De Dominicanos De New London Inc

    EIN 853810118 · Headquarters: New London, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. Association for Bridge Construction and Design-new England Region Inc

    EIN 061620278 · Headquarters: Westport, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  53. Association For Women In Psychology C/o Kathy McCloskey

    EIN 133390194 · Headquarters: Weatogue, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. Association of College and University Policy Administrators

    EIN 472209487 · Headquarters: Cromwell, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. Association of Divorce Financial Planner C/o L Vasileff President

    EIN 113420188 · Headquarters: GREENWICH, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Association of Educational Service Agencies Foundation

    EIN 311699547 · Headquarters: CHESHIRE, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Association of Legal Administrators Nutmeg Chapter

    EIN 061223970 · Headquarters: Simsbury, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Atelier for Community Transformation

    EIN 844199053 · Headquarters: STAMFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Audubon Arts & Retail Association Inc

    EIN 651267569 · Headquarters: New Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. Avon Junior Women's Club

    EIN 061419830 · Headquarters: AVON, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  61. Avon Newcomers Club

    EIN 237105390 · Headquarters: Avon, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Baltic New England Development Network Inc

    EIN 113784984 · Headquarters: Newington, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Barkhamsted Womens Club

    EIN 237427883 · Headquarters: Pleasant Valley, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Barros Research Institute

    EIN 382380724 · Headquarters: REDDING, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  65. Bayview Masonic Temple Association Incorporated

    EIN 060952251 · Headquarters: Niantic, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Because It S Right Inc

    EIN 821696150 · Headquarters: Guilford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Belltown Antique Car Club Inc

    EIN 060985090 · Headquarters: EAST HADDAM, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Benincasa Community Inc

    EIN 812366237 · Headquarters: GUILFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. Berlin Chamber of Commerce Inc

    EIN 060760213 · Headquarters: KENSINGTON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  70. Bethelhem Lions Club Inc

    EIN 061051577 · Headquarters: Bethlehem, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Bike West Hartford Inc

    EIN 461957958 · Headquarters: West Hartford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Black Infinity Collective Inc

    EIN 871672962 · Headquarters: Hamden, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990

  73. Black Rock Community Council Inc

    EIN 060961675 · Headquarters: BRIDGEPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Black Rock Neighborhood Revitalization Zone Incorporated

    EIN 273722709 · Headquarters: BRIDGEPORT, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Black Rock Rotary Foundation Inc

    EIN 300712272 · Headquarters: Fairfield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  76. Blockchainct Inc

    EIN 832811877 · Headquarters: Weston, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Bloomfield Chamber of Commerce Foundation Inc

    EIN 020562760 · Headquarters: Bloomfield, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Blue Hills Civic Association

    EIN 060876558 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Boame Helping Hands Foundation Inc

    EIN 844914316 · Headquarters: Darian, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Bradley Airport Valet Parking Assoc Corp C/o Laz Parking

    EIN 462315353 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. Bradley Regional Chamber of Commerce Inc

    EIN 461223604 · Headquarters: East Granby, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Bradleydevelopmentleagueinc

    EIN 061589064 · Headquarters: WINDSOR, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  83. Branford Chamber of Commerce

    EIN 060723438 · Headquarters: BRANFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990

  84. Branford Womans Club Inc

    EIN 060861212 · Headquarters: BRANFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  85. Breaking the Line U S Inc

    EIN 833663691 · Headquarters: Cheshire, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Breakthrough Impact Labs Inc

    EIN 843153217 · Headquarters: NEW MILFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  87. Brian Codys Brothers & Sisters Foundation Llc

    EIN 861787281 · Headquarters: New Milford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Bridgeport Generation Now Inc

    EIN 814240436 · Headquarters: BRIDGEPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Bridgeport Generation Now Votes

    EIN 841746495 · Headquarters: BRIDGEPORT, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Bridgeport Host Lions Charities Inc

    EIN 061510905 · Headquarters: SHELTON, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Bristol Community Organization Inc

    EIN 060879360 · Headquarters: Bristol, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990

  92. Bristol Neighborhood Development Corp

    EIN 204100584 · Headquarters: BRISTOL, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Bristol Womans Club Inc

    EIN 066050767 · Headquarters: BRISTOL, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  94. Brookfield Cares Inc

    EIN 464456960 · Headquarters: BROOKFIELD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Brooklyn Business Association Inc

    EIN 461580723 · Headquarters: Brooklyn, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Brown Skin Women Foundation

    EIN 921123423 · Headquarters: Hartford, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Bsc Connecticut Academy Inc

    EIN 462483626 · Headquarters: Norwalk, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  98. Building a Legacy Foundation

    EIN 934225190 · Headquarters: BLOOMFIELD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  99. Bunker Hill Neighborhood Association Inc

    EIN 852203058 · Headquarters: Waterbury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Business Expansion Club of Connecticut

    EIN 262419703 · Headquarters: LAKEVILLE, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

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