Unknown & Unclassified nonprofits in Maine

Unknown & Unclassified nonprofits in Maine. Browse 4,077 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. Machias Education Support Professionals Assn

    EIN 271413724 · Headquarters: Machias, ME, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  2. Machias Masonic Corporation

    EIN 010473131 · Headquarters: Machias, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Machias Square & Compass Club

    EIN 993816573 · Headquarters: Machias, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Machiasport Historical Society Inc

    EIN 222473233 · Headquarters: Machiasport, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Mad Horse Theatre Company

    EIN 010422341 · Headquarters: SOUTH PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Madawaska Education Association

    EIN 800255054 · Headquarters: Madawaska, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Madawaska Professional Educators Association

    EIN 854302826 · Headquarters: Madawaska, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Madawaska Public Library

    EIN 010276098 · Headquarters: MADAWASKA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Madawaska Valley Atventure Club

    EIN 010437568 · Headquarters: MADAWASKA, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Madison Area Health Council Inc

    EIN 510192273 · Headquarters: Madison, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  11. Madison Area Teachers Association

    EIN 770698777 · Headquarters: Madison, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Mafca Pinetree Chapter

    EIN 262632337 · Headquarters: CUMBERLAND, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Magnificat-scarborough Me Chapter

    EIN 475507783 · Headquarters: Scarborough, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  14. Mahc Inc

    EIN 010484154 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Main Trail Riders Association

    EIN 412267022 · Headquarters: GARDINER, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Maine & Company

    EIN 010504259 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Maine Academy of Physician Associates

    EIN 010368278 · Headquarters: Auburn, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. Maine Administrators of Career and Technical Education

    EIN 710889837 · Headquarters: WALDO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Maine Affordable Energy

    EIN 872441832 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Maine AFL-CIO

    EIN 010113840 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. Maine Alliance for Economic Growth

    EIN 934218630 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Maine Alliance of Media Arts

    EIN 010347799 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  23. Maine Alpaca Association

    EIN 200488122 · Headquarters: Penobscot, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  24. Maine Alpha Corp of Sigma Phi Epsilon

    EIN 237277292 · Headquarters: ORONO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. Maine Amatuer Softball Association

    EIN 010483418 · Headquarters: Lewiston, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Maine Appalachian Trail Club

    EIN 526047992 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Maine Appaloosa Horse Club Inc

    EIN 010366971 · Headquarters: Knox, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Maine Art Education Association

    EIN 010361327 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Maine Assoc of Dispute Resolution Prof

    EIN 010475697 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Maine Association for Community Service Providers

    EIN 010382070 · Headquarters: HALLOWELL, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Maine Association for Infant Mental Health Inc

    EIN 223041905 · Headquarters: Greene, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. Maine Association of Agricultural Fairs

    EIN 010363014 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Maine Association of Assessing Officers

    EIN 264569323 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Maine Association of Broadcasters

    EIN 010338987 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Maine Association of Conservation Commissions

    EIN 016035847 · Headquarters: Manchester, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Maine Association of Criminal Defense Lawyers

    EIN 010495988 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Maine Association of Health Underwr Iters

    EIN 010490064 · Headquarters: Augusta, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Maine Association of Healthcare Quality

    EIN 272392021 · Headquarters: Westbrook, ME, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. Maine Association of Nurse Anesthetists

    EIN 510137366 · Headquarters: BANGOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  40. Maine Association of Payroll Professionals

    EIN 010469326 · Headquarters: New Gloucester, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Maine Association of Planners

    EIN 016024007 · Headquarters: Lowell, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Maine Association of Police

    EIN 510193590 · Headquarters: SOUTH PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  43. Maine Association of Professional Accountants

    EIN 222492611 · Headquarters: WINDHAM, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Maine Association of Psychiatric Physicians

    EIN 222711744 · Headquarters: MANCHESTER, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  45. Maine Association of Realtors

    EIN 010269301 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  46. Maine Association of Realtors Found

    EIN 010445046 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. Maine Association of Retirees Inc

    EIN 010370896 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Maine Association of School Libraries

    EIN 010494008 · Headquarters: Augusta, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Maine Association of School Nurses

    EIN 222613922 · Headquarters: FREEPORT, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Maine Association of Student Financial Aid Administrators

    EIN 223027064 · Headquarters: Waterville, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Maine Athletic Trainers Association

    EIN 010442701 · Headquarters: Boothbay, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Maine Automobile Dealers Association Inc

    EIN 010191203 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Maine Automobile Dealers Association Inc Insurance Trust

    EIN 010288347 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Maine Auxiliaries Veterans of Foreign Wars

    EIN 900680444 · Headquarters: NORRIDGEWOCK, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Maine Avenue Manor Inc

    EIN 010376143 · Headquarters: MILLINOCKET, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Maine Bankers Association

    EIN 010155360 · Headquarters: Westbrook, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Maine Barrel Racing Association

    EIN 010455162 · Headquarters: Burnham, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Maine Beagle Association

    EIN 010478603 · Headquarters: Woolwich, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Maine Beef Producers Association Inc

    EIN 273550630 · Headquarters: clinton, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Maine Better Transportation Association

    EIN 010220588 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Maine Beverage Association

    EIN 010453457 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Maine Beverage Distributors Assoc Inc

    EIN 016021180 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Maine Blade Runners

    EIN 821245203 · Headquarters: BAILEYVILLE, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Maine Bowhunters Association Inc

    EIN 223224655 · Headquarters: AUGUSTA, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Maine Brewers' Guild

    EIN 010508275 · Headquarters: SOUTH PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Maine Bridge Association

    EIN 010365995 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Maine Building Officials and Inspectors Association

    EIN 223201512 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Maine Built Boats Inc

    EIN 202974146 · Headquarters: Belfast, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Maine Business and Professional Womens Futurama

    EIN 223033083 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. Maine Campground Owner's Association

    EIN 010317033 · Headquarters: AUBURN, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Maine Cannabis Center

    EIN 472718384 · Headquarters: searsport, ME, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  72. Maine Cannabis Union Llc

    EIN 882266010 · Headquarters: SANFORD, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  73. Maine Center for Enterprise Development Dba Maine Center for Entrepreneurs

    EIN 010510641 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Maine Chapter of the Construction Specifications Institute Inc

    EIN 222553519 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Maine Chapter of the Society for Social Work Leadership in Heath Ca

    EIN 272642724 · Headquarters: Washburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Maine Charitable Mechanic Association

    EIN 010248533 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Maine Children's Alliance

    EIN 222546643 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Maine Children's Home for Little Wanderers

    EIN 010267392 · Headquarters: WATERVILLE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Maine Chiropractic Association Inc

    EIN 016029434 · Headquarters: LEWISTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Maine Claims Management Council

    EIN 271775469 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  81. Maine Clinical Counselors Association

    EIN 010434600 · Headquarters: Waterville, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Maine Coalition Against Sexual Assault

    EIN 010420232 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Maine Commercial Association of Realtors

    EIN 010489266 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. Maine Community College Administrators Association

    EIN 263725964 · Headquarters: Calais, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Maine Community Development Directors Assoc

    EIN 800386800 · Headquarters: Cumberland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Maine Composite Materials Applied Technology Development Center

    EIN 100003434 · Headquarters: SPRINGVALE, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Maine Conservation Voters

    EIN 010536008 · Headquarters: Augusta, ME, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Maine Council of Child and Adolescent Psychiatry

    EIN 010460426 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Maine Council of Nursing Service Administrators

    EIN 222583525 · Headquarters: Levant, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Maine Council of Self Insurers Inc

    EIN 010412221 · Headquarters: Cape Elizabeth, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Maine Council of the Atlantic Salmon Federation

    EIN 013073027 · Headquarters: Brunswick, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Maine Council of Trout Unlimited

    EIN 521766027 · Headquarters: CAMDEN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Maine Council on Aging

    EIN 461549012 · Headquarters: Brunswick, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Maine Court Reporters Association

    EIN 262571343 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Maine Credit Union League

    EIN 010248224 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Maine Dairy Promotion Board

    EIN 010507505 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Maine Democratic Socialists of America

    EIN 822119047 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Maine Demolay Association

    EIN 010393032 · Headquarters: WEST BATH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  99. Maine Dental Association

    EIN 016019308 · Headquarters: MANCHESTER, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Maine Dental Hygienists Association Inc

    EIN 237222194 · Headquarters: TURNER, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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