Nonprofits in Maine

Nonprofits in Maine. Browse 13,476 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 Association of University Women Inc

    EIN 016019117 · Headquarters: Fairfield, ME, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Association of University Women Inc

    EIN 016048097 · Headquarters: Brunswick, ME, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  3. American Association of University Women Inc

    EIN 510242459 · Headquarters: Bar Harbor, ME, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. American Board of Criminalistics Inc

    EIN 113000406 · Headquarters: Gardiner, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. American Caspian Horse Registry Corp

    EIN 831318924 · Headquarters: Monticello, ME, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. American Chemical Society

    EIN 016018642 · Headquarters: Orono, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American City Quality Foundation Inc

    EIN 133818308 · Headquarters: Portland, ME, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  8. American Civil Liberties Union of Maine

    EIN 010285070 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. American Civil Liberties Union of Maine Foundation

    EIN 010367357 · Headquarters: PORTLAND, ME, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. American College of Emergency Physicians

    EIN 237147403 · Headquarters: MANCHESTER, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. American College of Physicians Maine Chapter

    EIN 510253458 · Headquarters: AUGUSTA, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. American College of Respiratory Therapy Education Acrte

    EIN 454152665 · Headquarters: Tenants Harbor, ME, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. American Concrete Institution New England Chapter

    EIN 833399267 · Headquarters: South Portland, ME, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. American Coopworth Registry

    EIN 651190839 · Headquarters: Limington, ME, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. American Council of Engineering Companies of Maine

    EIN 010414899 · Headquarters: RAYMOND, ME, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. American Council of the Blind of Maine

    EIN 016013214 · Headquarters: WATERVILLE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. American Economic Translation Institute

    EIN 202841028 · Headquarters: Auburn, ME, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Families for Vaccines

    EIN 853185420 · Headquarters: PORTLAND, ME, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. American Fdm Association

    EIN 261533601 · Headquarters: CHARLESTON, ME, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. American Federation of Government Employees

    EIN 016024163 · Headquarters: Cutler, ME, US · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  21. American Federation of Government Employees

    EIN 237060530 · Headquarters: Bath, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  22. American Federation of Government Employees

    EIN 271026824 · Headquarters: Caribou, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Federation of Government Employees

    EIN 900526003 · Headquarters: Limestone, ME, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. American Federation of Government Employees 2610

    EIN 016024162 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. American Federation of Labor & Congress of Industrial Orgs

    EIN 010423126 · Headquarters: Waterville, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Federation of Labor & Congress of Industrial Orgs

    EIN 016022313 · Headquarters: Millinocket, ME, US · Employment · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  27. American Federation of Labor & Congress of Industrial Orgs

    EIN 016022315 · Headquarters: Windham, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. American Federation of Labor & Congress of Industrial Orgs

    EIN 208735798 · Headquarters: Jay, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Federation of Labor & Congress of Industrial Orgs

    EIN 222543948 · Headquarters: Millinocket, ME, US · Employment · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  30. American Federation of Labor & Congress of Industrial Orgs

    EIN 392055489 · Headquarters: Brewer, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. American Federation of Labor & Maine State Bctc

    EIN 016029860 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. American Federation of State County & Municipal Employees

    EIN 800334624 · Headquarters: Augusta, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. American Federation of Teachers

    EIN 010385376 · Headquarters: Windsor, ME, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  34. American Federation of Teachers

    EIN 010411817 · Headquarters: Lincoln, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. American Federation of Teachers

    EIN 010429707 · Headquarters: Bridgton, ME, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  36. American Federation of Teachers

    EIN 222966437 · Headquarters: Gardiner, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. American Flyers Booster Club

    EIN 412151884 · Headquarters: WESTBROOK, ME, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. American Folk Festival on the Bangor Waterfront

    EIN 020618599 · Headquarters: BANGOR, ME, USA · Arts, Culture & Humanities · Latest available filing year: 2018 · Primary form: IRS Form 990

  39. American Friend of the J B Harley Research Fellowship Inc

    EIN 391837367 · Headquarters: Freeport, ME, US · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  40. American Friends of Mitzpe Yeriho Inc

    EIN 200845891 · Headquarters: WESTBROOK, ME, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. American Friends of the Royal Anthropological Institute

    EIN 456564037 · Headquarters: Phillips, ME, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. American Guild of Organists

    EIN 016018598 · Headquarters: Buxton, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. American Guild of Organists

    EIN 016029162 · Headquarters: Bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  44. American Industrial Hygiene Association

    EIN 311254239 · Headquarters: Fairfield, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. American Infidels Vmc-me

    EIN 861788092 · Headquarters: Gardiner, ME, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Inns of Court Foundation

    EIN 010485084 · Headquarters: BANGOR, ME, US · Crime & Legal Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  47. American Institute of Architects Maine Chapter

    EIN 010418932 · Headquarters: NORWAY, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. American Institute of Graphic Arts

    EIN 204416620 · Headquarters: Saco, ME, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. American Legion

    EIN 010133155 · Headquarters: Rumford, ME, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. American Legion

    EIN 010284742 · Headquarters: calais, ME, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  51. American Legion

    EIN 010374066 · Headquarters: Jonesport, ME, US · Public & Societal Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  52. American Legion

    EIN 010375214 · Headquarters: Wells, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. American Legion

    EIN 010422042 · Headquarters: Bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. American Legion

    EIN 010450555 · Headquarters: North Anson, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. American Legion

    EIN 010459260 · Headquarters: Falmouth, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Legion

    EIN 010850418 · Headquarters: Harpswell, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. American Legion

    EIN 016012961 · Headquarters: Norway, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. American Legion

    EIN 016013535 · Headquarters: Bar Mills, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. American Legion

    EIN 016016400 · Headquarters: winterport, ME, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  60. American Legion

    EIN 016016409 · Headquarters: Camden, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Legion

    EIN 016016441 · Headquarters: BAILEYVILLE, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Legion

    EIN 016016645 · Headquarters: Bucksport, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Legion

    EIN 016016880 · Headquarters: Newport, ME, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. American Legion

    EIN 016017123 · Headquarters: NORTH HAVEN, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Legion

    EIN 016018648 · Headquarters: Hallowell, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Legion

    EIN 016018655 · Headquarters: Sangerville, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. American Legion

    EIN 016018721 · Headquarters: Eliot, ME, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  68. American Legion

    EIN 016029173 · Headquarters: MILO, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Legion

    EIN 016029177 · Headquarters: OAKFIELD, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Legion

    EIN 016029183 · Headquarters: Southwest Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Legion

    EIN 016029186 · Headquarters: Berwick, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. American Legion

    EIN 016029191 · Headquarters: Carmel, ME, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  73. American Legion

    EIN 016029193 · Headquarters: Union, ME, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  74. American Legion

    EIN 016029195 · Headquarters: Jackman, ME, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  75. American Legion

    EIN 016029196 · Headquarters: Vassalboro, ME, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  76. American Legion

    EIN 016029198 · Headquarters: Sabattus, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Legion

    EIN 016029199 · Headquarters: Stockholm, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Legion

    EIN 016029200 · Headquarters: FRYEBURG, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  79. American Legion

    EIN 016029201 · Headquarters: Harrison, ME, US · Public & Societal Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  80. American Legion

    EIN 016029204 · Headquarters: Peaks Island, ME, US · Public & Societal Benefit · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. American Legion

    EIN 016029205 · Headquarters: Ogunquit, ME, US · Public & Societal Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  82. American Legion

    EIN 016029206 · Headquarters: WINDHAM, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Legion

    EIN 016029213 · Headquarters: Vanceboro, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. American Legion

    EIN 016029215 · Headquarters: Lyman, ME, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  85. American Legion

    EIN 016038550 · Headquarters: MILLINOCKET, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. American Legion

    EIN 030421509 · Headquarters: Hulls Cove, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. American Legion

    EIN 141965508 · Headquarters: skowhegan, ME, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  88. American Legion

    EIN 208461226 · Headquarters: Turner, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Legion

    EIN 237164210 · Headquarters: Mason Township, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  90. American Legion

    EIN 271188806 · Headquarters: south casco, ME, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  91. American Legion

    EIN 273604740 · Headquarters: Phippsburg, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Legion

    EIN 342011339 · Headquarters: Monmouth, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. American Legion

    EIN 352455457 · Headquarters: Bridgton, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Legion

    EIN 461023591 · Headquarters: Presque Isle, ME, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. American Legion

    EIN 510148720 · Headquarters: Unity, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Legion

    EIN 510529742 · Headquarters: Lisbon Falls, ME, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  97. American Legion

    EIN 550872589 · Headquarters: auburn, ME, US · Public & Societal Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  98. American Legion

    EIN 770652141 · Headquarters: Fort Fairfield, ME, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  99. American Legion

    EIN 770691812 · Headquarters: Lebanon, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. American Legion

    EIN 770716285 · Headquarters: Berwick, ME, US · Public & Societal Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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