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. Connecticut Polar Bears Womens Hockey Club Inc

    EIN 222743930 · Headquarters: MONROE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Connecticut Police & Fire Union Inc S0015 Protective Services Employees

    EIN 061052392 · Headquarters: HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Connecticut Police Chiefs Association Inc

    EIN 060949795 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Connecticut Police Chiefs Law Enforcement Memorial

    EIN 223057044 · Headquarters: UNIONVILLE, CT, USA · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  5. Connecticut Police Foundation Inc

    EIN 061024789 · Headquarters: WETHERSFIELD, CT, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Connecticut Police Work Dog Association Inc

    EIN 300172079 · Headquarters: NEWTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Connecticut Policy and Economic Council Inc

    EIN 222708727 · Headquarters: Rocky Hill, CT, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Connecticut Policy Institute

    EIN 275437927 · Headquarters: New Haven, CT, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  9. Connecticut Polygraph Association

    EIN 454327623 · Headquarters: Meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Connecticut Power and Energy Societyinc

    EIN 061393888 · Headquarters: WEST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. Connecticut Pre-engineering Program

    EIN 222966927 · Headquarters: Waterbury, CT, USA · Science & Technology · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  12. Connecticut Pregnancy Care Coalition Inc

    EIN 823049264 · Headquarters: Hartforfd, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Connecticut Premier Cricket League Inc

    EIN 842972558 · Headquarters: Windsor, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Connecticut Premium Cigar Retailers Association Inc

    EIN 461397072 · Headquarters: South Norwalk, CT, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Connecticut Preservation Action Inc

    EIN 061017640 · Headquarters: Bethel, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Connecticut Prevention Network Inc

    EIN 844626541 · Headquarters: North Haven, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Connecticut Prison Greyhounds Inc

    EIN 813367115 · Headquarters: Southington, CT, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Connecticut Probate Judges Association

    EIN 474872006 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Connecticut Professional Genealogists Council Inc

    EIN 061464386 · Headquarters: Hartford, CT, US · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  20. Connecticut Professional Photographers Assoc Inc

    EIN 510204857 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  21. Connecticut Professional Timber

    EIN 141993499 · Headquarters: ONECO, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  22. Connecticut Proton Therapy Center Llc

    EIN 871371777 · Headquarters: WALLINGFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Connecticut Psychological Association Inc

    EIN 060919890 · Headquarters: OLD SAYBROOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Connecticut Psychological Foundation Inc

    EIN 510430825 · Headquarters: Old Saybrook, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Connecticut PTA Congress NES PTA

    EIN 472842044 · Headquarters: Norwalk, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Connecticut Public Broadcasting Endowment Inc

    EIN 811550005 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Connecticut Public Broadcasting Inc

    EIN 060758938 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Connecticut Public Broadcasting Real Estate Holding Company

    EIN 811536242 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Connecticut Public Employer Labor Relations Association

    EIN 882359107 · Headquarters: GLASTONBURY, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Connecticut Public Interest Research Group Inc

    EIN 060906331 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Connecticut Public Schools Rowing Association Inc

    EIN 300457207 · Headquarters: LYME, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Connecticut Publicly-assisted Housing Resident Network Inc

    EIN 204000945 · Headquarters: MERIDEN, CT, USA · Housing & Shelter · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  33. Connecticut Quality Improvement Award Partnership Inc

    EIN 061631459 · Headquarters: Stamford, CT, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  34. Connecticut Quarter Horse Association Inc

    EIN 061424696 · Headquarters: BROAD BROOK, CT, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  35. Connecticut Queen Producers Cooperative Inc

    EIN 455004957 · Headquarters: East Lyme, CT, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Connecticut Quest for Peace Inc

    EIN 264439286 · Headquarters: GEORGETOWN, CT, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Connecticut Radio Fellowship Inc

    EIN 066065406 · Headquarters: MIDDLETOWN, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Connecticut Radio Information System Inc

    EIN 060987696 · Headquarters: WINDSOR, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Connecticut Railroad Historical Ass

    EIN 066085781 · Headquarters: CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Connecticut Reading Association Inc

    EIN 060944621 · Headquarters: CHESHIRE, CT, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

  41. Connecticut Reading Association Inc

    EIN 831701826 · Headquarters: CHESHIRE, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Connecticut Ready Mixed Concrete Associationinc

    EIN 061019710 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Connecticut Recreation and Parks Association Inc

    EIN 222662056 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. Connecticut Recyclers Coalition Inc

    EIN 223086715 · Headquarters: New Haven, CT, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Connecticut Regional Convention Committee Inc

    EIN 222976073 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Connecticut Regional Group of the Blinded Veterans Association

    EIN 066073594 · Headquarters: Clinton, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Connecticut Regional Group of the Early Ford V-8 Club of America Inc

    EIN 223173978 · Headquarters: Moodus, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  48. Connecticut Regional Institute for the 21St Century Inc

    EIN 061568125 · Headquarters: NORTH BRANFORD, CT, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  49. Connecticut Renaissance Fund Inc

    EIN 222756052 · Headquarters: SHELTON, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Connecticut Renaissance Inc

    EIN 060854288 · Headquarters: SHELTON, CT, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Connecticut Renaissance Inc Veba Trust

    EIN 204618170 · Headquarters: SHELTON, CT, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Connecticut Residents Against Medical Mandates Incorporated

    EIN 863413147 · Headquarters: JEWETT CITY, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Connecticut Resource Conservation & Dev Area Inc

    EIN 060976326 · Headquarters: HADDAM, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Connecticut Restaurant Association Inc

    EIN 060872410 · Headquarters: Wethersfield, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Connecticut Retail Merchants Association

    EIN 066079119 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Connecticut Retina Association

    EIN 061471053 · Headquarters: WATERBURY, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Connecticut Retirement Community Inc

    EIN 300029346 · Headquarters: Ridgefield, CT, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Connecticut Returned Peace Corps Volunteers Inc

    EIN 222995164 · Headquarters: Hartford, CT, US · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  59. Connecticut Rheumatology Association Inc

    EIN 432077547 · Headquarters: GUILFORD, CT, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. Connecticut Rhythm & Blues Festival

    EIN 844364827 · Headquarters: FARMINGTON, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Connecticut Rhythmics Gymnastic Academy

    EIN 201077037 · Headquarters: BLOOMFIELD, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Connecticut Right to Life Corporation Crlc

    EIN 060983737 · Headquarters: Waterbury, CT, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  63. Connecticut Rise Network Inc

    EIN 814104274 · Headquarters: NEW HAVEN, CT, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Connecticut River Arabian Association Inc

    EIN 208271691 · Headquarters: PLANTSVILLE, CT, US · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  65. Connecticut River Artisans Cooperative Inc

    EIN 061053675 · Headquarters: Essex, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  66. Connecticut River Coastal Conservation District Inc

    EIN 060733567 · Headquarters: MIDDLETOWN, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Connecticut River Lacrosse Club Inc

    EIN 010597012 · Headquarters: Old Lyme, CT, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Connecticut River Valley Chamber of Commerce

    EIN 060790227 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Connecticut River Valley Symphonic Band Inc

    EIN 873242050 · Headquarters: East Haddam, CT, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Connecticut Road Builders Association Inc

    EIN 060684652 · Headquarters: WETHERSFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Connecticut Roller Derby Inc C/o Kristina Clarke

    EIN 263157706 · Headquarters: WOODBRIDGE, CT, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Connecticut Rolling Flags Inc

    EIN 061417867 · Headquarters: Waterbury, CT, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  73. Connecticut Roughriders Basketball Team

    EIN 134234369 · Headquarters: East Hartford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Connecticut Roundtable on Climate and Jobs

    EIN 824185276 · Headquarters: Clinton, CT, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Connecticut Rugby Development Organization Inc

    EIN 208510327 · Headquarters: Norwalk, CT, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  76. Connecticut Rugby Union Incorporated

    EIN 272185091 · Headquarters: Wallingford, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Connecticut Save-a-pup

    EIN 061427255 · Headquarters: Newington, CT, US · Animal Related · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  78. Connecticut Scholars Incorporated

    EIN 822956699 · Headquarters: Hartford, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Connecticut School Building & Ground Association Inc

    EIN 061454322 · Headquarters: BLOOMFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Connecticut School Food Service Association

    EIN 066063109 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Connecticut School of Survival Inc

    EIN 300344396 · Headquarters: New Haven, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Connecticut School Transportation Association

    EIN 061061061 · Headquarters: OLD SAYBROOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Connecticut Science Center Inc

    EIN 061538101 · Headquarters: HARTFORD, CT, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Connecticut Science Fair Association Inc

    EIN 066070725 · Headquarters: SANDY HOOK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  85. Connecticut Science Olympiad

    EIN 261234084 · Headquarters: Tolland, CT, US · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Connecticut Science Supervisors Association

    EIN 311802806 · Headquarters: Gaylordsville, CT, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Connecticut Science Teachers Assoc Inc

    EIN 510190771 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Connecticut Scuba Academy Inc

    EIN 823731109 · Headquarters: Cheshire, CT, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Connecticut Sea Kayakers Association Inc

    EIN 451057739 · Headquarters: WINDSOR LOCKS, CT, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. Connecticut Section of the American Nuclear Society

    EIN 061072387 · Headquarters: Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Connecticut Section Pga Golf Foundation Inc

    EIN 061416576 · Headquarters: GLASTONBURY, CT, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Connecticut Section Pga of Americainc

    EIN 061151825 · Headquarters: GLASTONBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Connecticut Select Youth Basketball Club Inc

    EIN 452396310 · Headquarters: SOUTHINGTON, CT, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  94. Connecticut Sheep Breeders Association Inc

    EIN 203518759 · Headquarters: East Hampton, CT, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Connecticut Sherpa Society USA Inc

    EIN 921175233 · Headquarters: Enfield, CT, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  96. Connecticut Sjogrens Syndrome Support Group Inc

    EIN 061211170 · Headquarters: Avon, CT, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  97. Connecticut Skating Academy at Newington Inc

    EIN 550800429 · Headquarters: Cromwell, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Connecticut Skeet Shooting Association Inc

    EIN 842440619 · Headquarters: Trumbull, CT, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Connecticut Ski Council Inc

    EIN 061155499 · Headquarters: GALES FERRY, CT, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990

  100. Connecticut Sled Hockey Inc

    EIN 205783112 · Headquarters: Simsbury, CT, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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