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. American Legion

    EIN 066071007 · Headquarters: Groton, CT, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. American Legion

    EIN 066071025 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. American Legion

    EIN 066107499 · Headquarters: Harwinton, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  4. American Legion

    EIN 066107500 · Headquarters: Seymour, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Legion

    EIN 066107502 · Headquarters: Putnam, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Legion

    EIN 066107504 · Headquarters: Naugatuck, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American Legion

    EIN 066107505 · Headquarters: ESSEX, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. American Legion

    EIN 066107508 · Headquarters: DANIELSON, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Legion

    EIN 066107510 · Headquarters: WETHERSFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American Legion

    EIN 066107511 · Headquarters: BEACON FALLS, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. American Legion

    EIN 066107515 · Headquarters: NEW CANAAN, CT, US · Public & Societal Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  12. American Legion

    EIN 066107519 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Legion

    EIN 066107521 · Headquarters: East Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Legion

    EIN 066107529 · Headquarters: Coventry, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. American Legion

    EIN 066107530 · Headquarters: Farmington, CT, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  16. American Legion

    EIN 066107531 · Headquarters: COLCHESTER, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Legion

    EIN 066107532 · Headquarters: Stonington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Legion

    EIN 066107533 · Headquarters: DEEP RIVER, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. American Legion

    EIN 066107534 · Headquarters: ELLINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. American Legion

    EIN 066107538 · Headquarters: Portland, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Legion

    EIN 066107541 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American Legion

    EIN 066107544 · Headquarters: North Haven, CT, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  23. American Legion

    EIN 066107545 · Headquarters: RIDGEFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. American Legion

    EIN 066107549 · Headquarters: Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Legion

    EIN 066107550 · Headquarters: BALTIC, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. American Legion

    EIN 066107552 · Headquarters: Washington Depot, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. American Legion

    EIN 066107554 · Headquarters: East Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. American Legion

    EIN 066107556 · Headquarters: Rocky Hill, CT, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. American Legion

    EIN 066107558 · Headquarters: Bethel, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  30. American Legion

    EIN 066107560 · Headquarters: Westbrook, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. American Legion

    EIN 066107562 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  32. American Legion

    EIN 066107564 · Headquarters: Woodstock, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. American Legion

    EIN 066107568 · Headquarters: Rocky Hill, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  34. American Legion

    EIN 066107571 · Headquarters: Sharon, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. American Legion

    EIN 066107576 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. American Legion

    EIN 066107578 · Headquarters: Waterbury, CT, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  37. American Legion

    EIN 066107579 · Headquarters: Harwinton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. American Legion

    EIN 066107580 · Headquarters: Bozrah, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Legion

    EIN 066107581 · Headquarters: BRIDGEPORT, CT, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  40. American Legion

    EIN 066107584 · Headquarters: Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. American Legion

    EIN 066107586 · Headquarters: Southbury, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  42. American Legion

    EIN 066107588 · Headquarters: HAMDEN, CT, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  43. American Legion

    EIN 066107590 · Headquarters: KENT, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Legion

    EIN 066107594 · Headquarters: Waterford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Legion

    EIN 066107679 · Headquarters: Morris, CT, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. American Legion

    EIN 066107682 · Headquarters: Monroe, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. American Legion

    EIN 066107684 · Headquarters: Granby, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. American Legion

    EIN 066107689 · Headquarters: Prospect, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Legion

    EIN 066109199 · Headquarters: Canaan, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  50. American Legion

    EIN 066109200 · Headquarters: Windsor, CT, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  51. American Legion

    EIN 066109201 · Headquarters: Clinton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. American Legion

    EIN 066109202 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. American Legion

    EIN 066109204 · Headquarters: Riverton, CT, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Legion

    EIN 202069751 · Headquarters: Neewington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. American Legion

    EIN 320138862 · Headquarters: COLUMBIA, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. American Legion

    EIN 472497052 · Headquarters: Forestville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Legion

    EIN 760807414 · Headquarters: Middletown, CT, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Legion

    EIN 800164899 · Headquarters: Bantam, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Legion

    EIN 831318691 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Legion

    EIN 900475836 · Headquarters: Ansonia, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Legion - 72 Kiltonic

    EIN 066107540 · Headquarters: Southington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. American Legion 177 Sylvan Crest Memorial

    EIN 060793789 · Headquarters: MONROE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. American Legion 60 Joseph a Treadwell

    EIN 066049049 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. American Legion 96 Hayes-Velhage

    EIN 066051496 · Headquarters: West Hartford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. American Legion Ambulance Fund Inc

    EIN 061287970 · Headquarters: CENTRAL VILLAGE, CT, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. American Legion Aux Lamson Odonnell Unit 46 Fair

    EIN 066107525 · Headquarters: Goshen, CT, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  67. American Legion Auxilary Unit 176

    EIN 300593524 · Headquarters: Monroe, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  68. American Legion Auxiliary

    EIN 060932595 · Headquarters: MONROE, CT, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  69. American Legion Auxiliary

    EIN 061086028 · Headquarters: Enfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Legion Auxiliary

    EIN 061095349 · Headquarters: WINDSOR, CT, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  71. American Legion Auxiliary

    EIN 061098394 · Headquarters: Chester, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Legion Auxiliary

    EIN 061364046 · Headquarters: Guilford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. American Legion Auxiliary

    EIN 066059549 · Headquarters: WETHERSFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. American Legion Auxiliary

    EIN 066084601 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Legion Auxiliary

    EIN 066109722 · Headquarters: SOUTHINGTON, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. American Legion Auxiliary

    EIN 202843132 · Headquarters: Prospect, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. American Legion Auxiliary

    EIN 222487231 · Headquarters: Naugatuck, CT, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  78. American Legion Auxiliary

    EIN 222534692 · Headquarters: Fairfield, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  79. American Legion Auxiliary

    EIN 237023992 · Headquarters: Marlborough, CT, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  80. American Legion Auxiliary

    EIN 300528374 · Headquarters: East Glastonbury, CT, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. American Legion Auxiliary

    EIN 300565413 · Headquarters: Uncasville, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  82. American Legion Auxiliary

    EIN 300591263 · Headquarters: Hebron, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Legion Auxiliary

    EIN 300629315 · Headquarters: WALLINGFORD, CT, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  84. American Legion Auxiliary

    EIN 301201252 · Headquarters: MADISON, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. American Legion Auxiliary

    EIN 310953096 · Headquarters: Gales Ferry, CT, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  86. American Legion Auxiliary

    EIN 311028071 · Headquarters: FAIRFIELD, CT, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  87. American Legion Auxiliary

    EIN 320318744 · Headquarters: East Hartford, CT, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  88. American Legion Auxiliary

    EIN 364662957 · Headquarters: STAFFORD SPRINGS, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. American Legion Auxiliary

    EIN 371582534 · Headquarters: Ellington, CT, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  90. American Legion Auxiliary

    EIN 383795100 · Headquarters: Clinton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Legion Auxiliary

    EIN 383811238 · Headquarters: Derby, CT, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  92. American Legion Auxiliary

    EIN 383818320 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Legion Auxiliary

    EIN 510191694 · Headquarters: Putnam, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. American Legion Auxiliary

    EIN 611561270 · Headquarters: Goshen, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  95. American Legion Auxiliary

    EIN 800312849 · Headquarters: Moodus, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  96. American Legion Auxiliary

    EIN 800336582 · Headquarters: Cromwell, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. American Legion Auxiliary

    EIN 800351018 · Headquarters: Thomaston, CT, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  98. American Legion Auxiliary

    EIN 800639244 · Headquarters: Moosup, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. American Legion Auxiliary

    EIN 800641339 · Headquarters: New London, CT, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  100. American Legion Auxiliary

    EIN 881586987 · Headquarters: Taftville, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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