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. Middle Beach Association Inc

    EIN 473401622 · Headquarters: WESTBROOK, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Middle City Stage Company

    EIN 264394925 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  3. Middle East Crisis Committee Inc

    EIN 542131005 · Headquarters: Guilford, CT, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Middle Gate Elementary Pta

    EIN 066169671 · Headquarters: NEWTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Middle Haddam Association Inc

    EIN 753174925 · Headquarters: MIDDLE HADDAM, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Middle School of Plainville Parent Teacher Club

    EIN 261073942 · Headquarters: Plainville, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Middle School Principals Advisory Council

    EIN 061417870 · Headquarters: Moodus, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Middlebury Cemetery Assoc Inc

    EIN 066049076 · Headquarters: MIDDLEBURY, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Middlebury Columbus Club Inc

    EIN 066205567 · Headquarters: Middlebury, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Middlebury Elementary School Pto C/o Pomperaug Reg Sch District 15

    EIN 262310390 · Headquarters: MIDDLEBURY, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Middlebury Historical Society Inc

    EIN 060950841 · Headquarters: MIDDLEBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Middlebury Land Trust Inc

    EIN 237050688 · Headquarters: MIDDLEBURY, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Middlebury Police Benevolent Association Inc

    EIN 060940570 · Headquarters: MIDDLEBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Middlebury Senior Housing Associates Inc - Woodside Heights

    EIN 222976661 · Headquarters: MIDDLEBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Middlebury Swimming Club Inc

    EIN 060643260 · Headquarters: Prospect, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Middlebury Volunteer Fire Department Inc

    EIN 060983496 · Headquarters: MIDDLEBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  17. Middlefield Cemetery Association

    EIN 060765380 · Headquarters: Rockfall, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Middlefield Childrens Center

    EIN 061245399 · Headquarters: Middlefield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Middlefield Historical Society

    EIN 061333315 · Headquarters: Middlefield, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Middlefield Rockfall American Legion Post 192

    EIN 066107687 · Headquarters: ROCKFALL, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Middlesex Aero Modelers Inc

    EIN 611551763 · Headquarters: Middletown, CT, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  22. Middlesex Area Patient Services Inc

    EIN 061056518 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Middlesex Community College Foundation Inc

    EIN 060991088 · Headquarters: MIDDLETOWN, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Middlesex County Bar Association

    EIN 061239728 · Headquarters: MIDDLETOWN, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Middlesex County Camp Foundation Inc

    EIN 061433226 · Headquarters: CROMWELL, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Middlesex County Chamber of Commerce Inc

    EIN 060452410 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Middlesex County Dental Society Inc

    EIN 061347613 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Middlesex County Extension Council Incorporated

    EIN 060771331 · Headquarters: Haddam, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Middlesex County Farm Bureau Inc % Mrs William Mintz

    EIN 060664992 · Headquarters: Middlefield, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Middlesex County Historical Society

    EIN 066047092 · Headquarters: MIDDLETOWN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Middlesex County Medical Association Inc

    EIN 364603906 · Headquarters: Bloomfield, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  32. Middlesex County Tax Collectors Association Inc

    EIN 474037360 · Headquarters: Portland, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Middlesex County Tractor Pullers Inc

    EIN 061358878 · Headquarters: COLCHESTER, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Middlesex County Youth Hockey Assn

    EIN 237305255 · Headquarters: Cromwell, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  35. Middlesex Genealogical Society

    EIN 061077879 · Headquarters: Darien, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Middlesex Habitat for Humanity of Connecticut Inc

    EIN 061448284 · Headquarters: CROMWELL, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Middlesex Health

    EIN 060646718 · Headquarters: Middletown, CT, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  38. Middlesex Health Services Inc

    EIN 222676140 · Headquarters: MIDDLETOWN, CT, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  39. Middlesex Health System Inc

    EIN 222676137 · Headquarters: MIDDLETOWN, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  40. Middlesex Hospital Foundation Inc C/o Middlesex Hospital

    EIN 273720822 · Headquarters: MIDDLETOWN, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  41. Middlesex Land Trust

    EIN 222812942 · Headquarters: MIDDLETOWN, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Middlesex Pool & Tennis Club

    EIN 061317437 · Headquarters: MIDDLETOWN, CT, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  43. Middlesex United Way Inc

    EIN 060665170 · Headquarters: Middletown, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Middlesex Youth Arc Inc

    EIN 264195851 · Headquarters: MIDDLETOWN, CT, US · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  45. Middlesex-shoreline Association of Realtors Inc

    EIN 061175167 · Headquarters: NORTH HAVEN, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990

  46. Middletown Chapt No 2296 Women of the Moose

    EIN 203669507 · Headquarters: MIDDLETOWN, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  47. Middletown Cooperative Nursery School Incorporated

    EIN 066106907 · Headquarters: middletown, CT, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Middletown Ct Bulldogs Inc

    EIN 261338679 · Headquarters: Middletown, CT, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  49. Middletown Ct Tiller Association Inc

    EIN 882645418 · Headquarters: MIDDLETOWN, CT, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Middletown Elks Home Corporation

    EIN 066044436 · Headquarters: Middletown, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  51. Middletown Female Charitable Society Inc

    EIN 066047419 · Headquarters: Durham, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  52. Middletown Festival Road Race Inc C/o Guilmartin Dipiro & Sokolowski

    EIN 223526551 · Headquarters: MIDDLETOWN, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Middletown Green Community Center Inc

    EIN 833685818 · Headquarters: Middletown, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Middletown Harm Reduction Initiative Inc

    EIN 392925161 · Headquarters: Middletown, CT, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Middletown High School Blue Dragon Booster Club Inc

    EIN 061550323 · Headquarters: MIDDLETOWN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Middletown High School Project Graduation Inc

    EIN 061577797 · Headquarters: Middletown, CT, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Middletown Managers Professional Association

    EIN 814165324 · Headquarters: Middletown, CT, US · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. Middletown Monarchs

    EIN 881543826 · Headquarters: MIDDLETOWN, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Middletown Police Explorers Post 54

    EIN 260887331 · Headquarters: MIDDLETOWN, CT, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Middletown Rotary Charitable Fund Inc

    EIN 113669356 · Headquarters: MIDDLETOWN, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Middletown Rotary Scholarship Trust C/o Michael J Kovaleski

    EIN 066102545 · Headquarters: MIDDLETOWN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Middletown Sports Club Inc

    EIN 871963818 · Headquarters: Middletown, CT, US · Youth Development · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. Middletown Sportsman Club Inc

    EIN 061098988 · Headquarters: MIDDLETOWN, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Middletown Symphonic Band Inc

    EIN 061217552 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Middletown Tigers Youth Football and Cheerleading

    EIN 452042456 · Headquarters: Middletown, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Middletown United Fathers Inc

    EIN 800271778 · Headquarters: MIDDLETOWN, CT, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Middletown Youth Baseball Softball Inc

    EIN 521243174 · Headquarters: MIDDLETOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  68. Middletown Youth Lacrosse

    EIN 454626376 · Headquarters: Middletown, CT, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Middletown Youth Soccer Inc C/o Guilmartin Dipiro & Sokolowski

    EIN 061020141 · Headquarters: MIDDLETOWN, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Middlewoods of Newington Inc

    EIN 743080603 · Headquarters: SHELTON, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Midnight Sun Inc C/o Ubs Farmland Investors Llc

    EIN 412153934 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Midnight Sun Inc Ii C/o Ubs Farmland Investors Llc

    EIN 743258052 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Midnight Sun Inc Iii C/o Ubs Farmland Investors Llc

    EIN 300483984 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Midnight Sun Inc Iv C/o Ubs Farmland Investors Llc

    EIN 320248989 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Midnight Sun Inc V C/o Ubs Farmland Investors Llc

    EIN 611563035 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Midnight Sun Inc Vi C/o Ubs Farmland Investors Llc

    EIN 300483987 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Midnight Sun Inc Vii C/o Ubs Farmland Investors Llc

    EIN 800198669 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Midnight Sun Inc Viii C/o Ubs Farmland Investors Llc

    EIN 300617570 · Headquarters: HARTFORD, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Midstate Arc Inc

    EIN 060756834 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Midstate Chamber of Commerce Inc

    EIN 060449758 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Midstate Medical Center

    EIN 060646715 · Headquarters: Meriden, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  82. Midstate Medical Center Auxiliary

    EIN 066063082 · Headquarters: Meriden, CT, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  83. Midwestern Connecticut Council of Alcoholism Inc

    EIN 060890278 · Headquarters: DANBURY, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Mieczyslaw Munz Scholarship Fund Inc

    EIN 133000494 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  85. Migdalia Fund

    EIN 921235760 · Headquarters: Cheshire, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Mighty Children Centre

    EIN 472418625 · Headquarters: AVON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Mighty Ones

    EIN 830836271 · Headquarters: HAMDEN, CT, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Mighty Quinn Foundation Inc

    EIN 461593451 · Headquarters: Stratford, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Mighty Quinn Roma Foundation

    EIN 883052812 · Headquarters: TOLLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Mike & Faye Richardson Family Foundation

    EIN 814067604 · Headquarters: OLD LYME, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Mike Sully Sullivan Charity Poker Run Inc

    EIN 842562105 · Headquarters: Oakdale, CT, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  92. Mike's Organicares Inc

    EIN 850951291 · Headquarters: GREENWICH, CT, USA · Food, Agriculture & Nutrition · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  93. Mikey Conroy Foundation

    EIN 990580880 · Headquarters: OXFORD, CT, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  94. Mikey's Way Foundation Inc

    EIN 203825973 · Headquarters: FAIRFIELD, CT, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2022 · Primary form: IRS Form 990

  95. Mikeys Place Inc

    EIN 871942920 · Headquarters: Wethersfield, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Mikvah Bess Israel of Greater Hartford Inc

    EIN 912154619 · Headquarters: West Hartford, CT, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Mikvah Israel of Fairfield Inc

    EIN 208363145 · Headquarters: Fairfield, CT, US · Religion Related · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  98. Mikvah of Waterbury Inc

    EIN 208048942 · Headquarters: Waterbury, CT, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Milan Cultural Association Inc

    EIN 061476775 · Headquarters: Glastonbury, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Milbourne Christopher Foundation Inc

    EIN 133660593 · Headquarters: Oxford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

First page and all pages