Unknown & Unclassified nonprofits in Connecticut

Unknown & Unclassified nonprofits in Connecticut. Browse 7,402 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. Friends of Northwest Park Inc

    EIN 061045806 · Headquarters: Windsor, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Friends of Otis Library Inc

    EIN 066098631 · Headquarters: Norwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Friends of Post 53 Inc

    EIN 061135369 · Headquarters: DARIEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  4. Friends of Ray Ffa

    EIN 260897271 · Headquarters: Moodus, CT, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  5. Friends of Seymour Swimmers Inc

    EIN 992944411 · Headquarters: SEYMOUR, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Friends of Sf Animals Inc

    EIN 394494224 · Headquarters: West Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Friends of Silver Lake Inc

    EIN 412563850 · Headquarters: Glastonbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Friends of Slater Library

    EIN 061359006 · Headquarters: JEWETT CITY, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Friends of Southington Community Services

    EIN 815208683 · Headquarters: PLANTSVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Friends of Tarrywile Park Inc

    EIN 061351057 · Headquarters: Danbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Friends of the Acton Library

    EIN 061036280 · Headquarters: OLD SAYBROOK, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Friends of the Avon Free Public Library Inc

    EIN 223038009 · Headquarters: AVON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Friends of the Bethlehem Public Library

    EIN 237193241 · Headquarters: Bethlehem, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Friends of the Brooklyn Library Association

    EIN 061354258 · Headquarters: Brooklyn, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Friends of the Connecticut Wilderness School

    EIN 331862734 · Headquarters: Collinsville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Friends of the Cora J Belden Library

    EIN 222577241 · Headquarters: Rocky Hill, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Friends of the Danbury Library Inc

    EIN 060646598 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. Friends of the East Haven Hagaman Library Inc

    EIN 412059381 · Headquarters: East Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Friends of the Eleanor Buck Wolf Nature Center

    EIN 510189403 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Friends of the Essex Library

    EIN 060987019 · Headquarters: Essex, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Friends of the Hamden Library

    EIN 061178990 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Friends of the Hoppers Birge Pond Nature Preserve

    EIN 934275483 · Headquarters: Southington, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Friends of the Kent Memorial Library

    EIN 066072172 · Headquarters: Suffield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Friends of the Levitt Pavilion Inc

    EIN 510190780 · Headquarters: WESTPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Friends of the Lighthouse Park Carousel

    EIN 061602285 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  26. Friends of the Litchfield Community Greenway Inc

    EIN 463352284 · Headquarters: LITCHFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  27. Friends of the Lucy Robbins Welles Library Inc

    EIN 222511658 · Headquarters: NEWINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  28. Friends of the Mansfield Library Inc

    EIN 222505114 · Headquarters: Storrs, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Friends of the Meriden Public Library Inc

    EIN 222527080 · Headquarters: MERIDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Friends of the Middlebury Public Library Inc

    EIN 815213395 · Headquarters: Middlebury, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. Friends of the New Britain Public Library

    EIN 061179751 · Headquarters: NEW BRITAIN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Friends of the North Haven Library

    EIN 060993463 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Friends of the Norwalk Public Library System Inc

    EIN 222567933 · Headquarters: New Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Friends of the Plainville Public Library Inc

    EIN 061425912 · Headquarters: Plainville, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Friends of the Portland Library

    EIN 061482457 · Headquarters: Portland, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  36. Friends of the Prospect Public Library Inc

    EIN 814881967 · Headquarters: Prospect, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Friends of the Ridgefield Library

    EIN 060933081 · Headquarters: RIDGEFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. Friends of the Roxbury Library Inc

    EIN 061286246 · Headquarters: Roxbury, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Friends of the Salem Free Public Library Inc

    EIN 061331652 · Headquarters: SALEM, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Friends of the Simsbury Public Library

    EIN 237288807 · Headquarters: Simsbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Friends of the South Windsor Public Library

    EIN 060999312 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Friends of the Southbury Public Library Inc

    EIN 237052525 · Headquarters: Southbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Friends of the Southington Public Library Inc

    EIN 222974144 · Headquarters: Southington, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Friends of the Thompson Public Library Inc

    EIN 061354531 · Headquarters: THOMPSON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Friends of the Tolland Public Library

    EIN 061048668 · Headquarters: Tolland, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Friends of the Watertown Library Association Inc

    EIN 061273426 · Headquarters: WATERTOWN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Friends of the Wells-turner Mem Library Inc

    EIN 237299366 · Headquarters: Glastonbury, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Friends of the Wethersfield Library Inc

    EIN 061023256 · Headquarters: Wethersfield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Friends of the Willington Public Library

    EIN 061313465 · Headquarters: Willington, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Friends of the Wolcott Public Library

    EIN 061295506 · Headquarters: Wolcott, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Friends of Woodbridge Library Incorporated

    EIN 237373701 · Headquarters: WOODBRIDGE, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Friends of Woodland Park Inc

    EIN 061000423 · Headquarters: Darien, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Fright Haven Haunt Inc

    EIN 852411752 · Headquarters: Stratford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Fromson Foundation Inc

    EIN 061074374 · Headquarters: STONINGTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  55. Frontfour Foundation

    EIN 464386799 · Headquarters: GREENWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. Frontier Employee Community Services Fund

    EIN 066064054 · Headquarters: meriden, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Frozen & Refrigerated Assoc of the Northeast Inc

    EIN 046058421 · Headquarters: COLCHESTER, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Fulbright Association Inc

    EIN 061411833 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Fundacion Hermanos Unidos

    EIN 821540234 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  60. Fusco Group Medical Reimbursement Plan Trust

    EIN 061059786 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Future Bright Foundation Inc

    EIN 812616907 · Headquarters: Easton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Future Farmers of America and Its State Associations & Local Chapter

    EIN 061578402 · Headquarters: Woodbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Future Farmers of America State Associations & Local Chapter

    EIN 831019349 · Headquarters: Trumbull, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  64. Future Farmers of America State Associations & Local Chapter

    EIN 880626560 · Headquarters: Washington Depot, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Future Farmers of America State Associations & Local Chapter

    EIN 881364160 · Headquarters: Branford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Future History Inc

    EIN 863753258 · Headquarters: Easton, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Future Problem Solving Program International Inc

    EIN 061393788 · Headquarters: Wallingford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. FVAM Holdings Inc

    EIN 334598637 · Headquarters: Avon, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. G & C Maintenance Inc

    EIN 061371688 · Headquarters: Middletown, CT, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  70. G I L Foundation Inc

    EIN 061149212 · Headquarters: PROSPECT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. G Whittemore Tr Fbo H Whittemore Library

    EIN 066025602 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Gaelic American Club

    EIN 066061142 · Headquarters: FAIRFIELD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Gagner Foundation Inc

    EIN 933207126 · Headquarters: CROMWELL, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Gales Ferry Cemetery

    EIN 800298277 · Headquarters: GALES FERRY, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Gales Ferry Fire Co Inc

    EIN 061620712 · Headquarters: Gales Ferry, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. Gallery One Ct

    EIN 463818597 · Headquarters: Ivoryton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Gamma Omega Housing Inc

    EIN 061354469 · Headquarters: watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Gamma Phi Beta Sorority Inc Eta Pi Chapter

    EIN 474848142 · Headquarters: HAMDEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  79. Gamma Phi Beta Sorority Inc Eta Theta Chapter

    EIN 461127917 · Headquarters: STORRS, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Gamma Sigma Sigma National Service Sorority

    EIN 237033926 · Headquarters: Storrs, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  81. Garden & Conservation Trust

    EIN 060836188 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Garland E Wood Foundation

    EIN 133437869 · Headquarters: Weston, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Garrett Memorial Chapel Trust

    EIN 160759023 · Headquarters: Guilford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  84. Gateway Community College Foundation Inc

    EIN 223135128 · Headquarters: NEW HAVEN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Gateway Dental Hygienists Association

    EIN 800650476 · Headquarters: Stamford, CT, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  86. Gateway Youth Football League of Greenwich CT Inc

    EIN 223076990 · Headquarters: Stamford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Gaylord Farm Association Inc

    EIN 061302029 · Headquarters: Wallingford, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  88. Ge Aerospace Foundation

    EIN 222621967 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  89. Geappl Corporation

    EIN 223133110 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  90. Geer Corporation

    EIN 061483243 · Headquarters: CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  91. Geer Foundation Inc

    EIN 061230842 · Headquarters: CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  92. Geer Village Housing and Development Company

    EIN 061230844 · Headquarters: CANAAN, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Geh Foundation Emily B Haines Trustee

    EIN 392939088 · Headquarters: MADISON, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  94. General Electric Insurance Plan Trust

    EIN 510169382 · Headquarters: NORWALK, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. General Federation of Womens Club

    EIN 060919415 · Headquarters: New Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. General Federation of Womens Club

    EIN 066047945 · Headquarters: SUFFIELD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. General Federation of Womens Club

    EIN 066072921 · Headquarters: East Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. General Federation of Womens Club

    EIN 237023453 · Headquarters: Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. General Federation of Womens Club

    EIN 272527260 · Headquarters: TOLLAND, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. General Federation of Womens Clubs

    EIN 061187507 · Headquarters: DANBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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