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. Middlefield Childrens Center

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

  2. Middlesex Area Patient Services Inc

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

  3. Middlesex County Bar Association

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

  4. Middlesex County Chamber of Commerce Inc

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

  5. Middlesex County Dental Society Inc

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

  6. 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

  7. Middlesex County Tractor Pullers Inc

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

  8. Middlesex County Youth Hockey Assn

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

  9. 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

  10. 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

  11. Middletown Elks Home Corporation

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

  12. Middletown Female Charitable Society Inc

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

  13. 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

  14. Middletown Symphonic Band Inc

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

  15. Middletown Youth Baseball Softball Inc

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

  16. 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

  17. Midstate Arc Inc

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

  18. Midstate Chamber of Commerce Inc

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

  19. Mieczyslaw Munz Scholarship Fund Inc

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

  20. Mighty Children Centre

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

  21. Mighty Quinn Roma Foundation

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

  22. Milbourne Christopher Foundation Inc

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

  23. Mildred L Cannon Trust

    EIN 066227269 · Headquarters: Vernon, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  24. Mile Creek Club Inc

    EIN 060664973 · Headquarters: Old Lyme, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Milford Cemetery Association Inc

    EIN 060736007 · Headquarters: Milford, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  26. Milford Chamber of Commerce Inc

    EIN 060691843 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Milford Chamber of Commerce Tr Fund

    EIN 061053993 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Milford Eagles Youth Football & Cheer Inc

    EIN 061361146 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Milford Education Association

    EIN 237106726 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Milford Elks Lodge No 1589 Inc

    EIN 060616681 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Milford Federation of Paraprofessionals Local 4420

    EIN 473002882 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Milford Fencing Club

    EIN 850895657 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Milford Health & Medical Inc

    EIN 222627346 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. Milford High Schooll All Class Reunion Committee

    EIN 222536935 · Headquarters: MILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Milford Land Conservation Trust Inc

    EIN 060939810 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Milford Marine Ins & Wildlife Program Center Inc

    EIN 222529190 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Milford National Lou Gehrig Little League

    EIN 223205132 · Headquarters: Milford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Milford Oyster Festival Inc

    EIN 061029743 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Milford Pastoral Counseling Center Inc

    EIN 061057739 · Headquarters: MILFORD, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  40. Milford Professional Firefighters Association - Local 944

    EIN 066070326 · Headquarters: Milford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Milford Volunteer Fire Dept Inc

    EIN 222529386 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  42. Milford Womans Club Incorporated

    EIN 066051046 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Milford Yacht Club Incorporated

    EIN 060453450 · Headquarters: Milford, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Milford Youth Lacrosse Inc

    EIN 813395764 · Headquarters: MILFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Military Museum of Southern New England Inc

    EIN 061145630 · Headquarters: Cheshire, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  46. Military Order of the Loyal Legion of the United States

    EIN 222765911 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Military Order of the Loyal Legion of the United States

    EIN 231394636 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Military Order of the Loyal Legion of the United States

    EIN 237427325 · Headquarters: Avon, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Military Order of the Purple Heart of the USA

    EIN 061509693 · Headquarters: Wolcott, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Military Order of the Purple Heart of the USA

    EIN 066069013 · Headquarters: Watertown, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Mill Hill School Pta

    EIN 061310108 · Headquarters: SOUTHPORT, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  52. Mill River Country Club Inc

    EIN 060453620 · Headquarters: STRATFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. Mill River Watershed Association of South Central Ct Inc

    EIN 061590010 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Millennium Guild Inc

    EIN 136116210 · Headquarters: FALLS VILLAGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Miller Mary J

    EIN 066035790 · Headquarters: WATERBURY, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  56. Miller-driscoll School Pta

    EIN 061265469 · Headquarters: WILTON, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Minnesota Academy of Physician Assistants

    EIN 411312088 · Headquarters: TOLLAND, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  58. Minturnese Social Club Inc

    EIN 060733177 · Headquarters: STAMFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. Minuteman Yacht Club Inc

    EIN 237389753 · Headquarters: Westport, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Minutemen Youth Wrestling Inc

    EIN 824517418 · Headquarters: Berlin, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. Misac Corporation C/o White & Katzman Management

    EIN 060858160 · Headquarters: EAST HARTFORD, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. Miss Bristol Scholarship Organization Inc

    EIN 270787048 · Headquarters: Bristol, CT, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  63. Missys Forgotten & Unwanted Feline & Canine Friends

    EIN 800760690 · Headquarters: Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  64. Mixed Company of Yale

    EIN 841955176 · Headquarters: New Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Modern Woodmen of America

    EIN 237502089 · Headquarters: HAMDEN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Mohawk Northeast Inc Health and Welfare Plan

    EIN 222502582 · Headquarters: PLANTSVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  67. Mohegan School Parent Teachers Organization

    EIN 061086039 · Headquarters: Shelton, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Mohegan Striders Assoc

    EIN 237171302 · Headquarters: Mystic, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Mollie Parnis Livingston Foundation Inc

    EIN 136265280 · Headquarters: RIVERSIDE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  70. Momauguin Little League

    EIN 651190837 · Headquarters: east haven, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Moms Club

    EIN 020598269 · Headquarters: North Franklin, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Moms Club

    EIN 061617040 · Headquarters: Marlborough, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Moms Club

    EIN 320418457 · Headquarters: Norwalk, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. Moms Club

    EIN 364638087 · Headquarters: East Lyme, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Moms Club

    EIN 510585928 · Headquarters: Trumbull, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Moms Club

    EIN 510594441 · Headquarters: Ridgefield, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Moms Club

    EIN 550855574 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  78. Moms Club

    EIN 562512204 · Headquarters: South Windsor, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Moms Club

    EIN 812659256 · Headquarters: Gales Ferry, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Moms Club

    EIN 854251356 · Headquarters: Moodus, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Moms Club

    EIN 880878463 · Headquarters: VERNON, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Moms Club

    EIN 912129007 · Headquarters: Greenwich, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Moms Club

    EIN 912129046 · Headquarters: New Fairfield, CT, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Moms Club

    EIN 912158466 · Headquarters: Waterford, CT, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. Moms for Liberty Hartford County Ct

    EIN 922050914 · Headquarters: Simsbury, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Moms for Liberty Litchfield Ct

    EIN 933774393 · Headquarters: WATERTOWN, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Monroe & Florence Nash Foundation Inc

    EIN 136888050 · Headquarters: WOODBRIDGE, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Monroe Chamber of Commerce Inc

    EIN 060944386 · Headquarters: Monroe, CT, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Monroe Elementary Parent Teacher Organization Inc

    EIN 061056689 · Headquarters: Monroe, CT, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  90. Monroe Little League

    EIN 521286706 · Headquarters: MONROE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Monroe Little Lions Cheerleading Inc

    EIN 874324101 · Headquarters: MONROE, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Monroe Middle School Pto

    EIN 061079195 · Headquarters: Monroe, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Montessori Discovery School Inc

    EIN 061309852 · Headquarters: NORWICH, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Montessori Parent Teacher Community at Annie Fisher Mptc

    EIN 352371201 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  95. Montville Fire Company #1 Inc

    EIN 061057189 · Headquarters: UNCASVILLE, CT, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  96. Montville Firefighters Association Local No 3386

    EIN 912004993 · Headquarters: Oakdale, CT, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  97. Monument Builders of Connecticut

    EIN 061445589 · Headquarters: North Haven, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  98. Moodus Cemetery Assoc Tr Ua

    EIN 066043884 · Headquarters: EAST HADDAM, CT, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Moodus Drum and Fife Corp

    EIN 237449846 · Headquarters: Moodus, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Moodus Sportsman Club

    EIN 061024212 · Headquarters: Moodus, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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