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. 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

  2. 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

  3. 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

  4. 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

  5. American Federation of Teachers

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

  6. American Federation of Teachers

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

  7. American Guild of Organists

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

  8. American Guild of Organists

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

  9. American Industrial Hygiene Association

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

  10. American Institute of Architects Maine Chapter

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

  11. American Legion

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

  12. American Legion

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

  13. American Legion

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

  14. American Legion

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

  15. American Legion

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

  16. American Legion

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

  17. American Legion

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

  18. American Legion

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

  19. American Legion

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

  20. American Legion

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

  21. American Legion

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

  22. American Legion

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

  23. American Legion

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

  24. American Legion

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

  25. American Legion

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

  26. American Legion

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

  27. American Legion

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

  28. American Legion

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

  29. American Legion

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

  30. American Legion

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

  31. American Legion

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

  32. American Legion

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

  33. American Legion

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

  34. American Legion

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

  35. American Legion

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

  36. American Legion

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

  37. American Legion

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

  38. American Legion

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

  39. American Legion

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

  40. American Legion

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

  41. American Legion

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

  42. American Legion

    EIN 923084833 · Headquarters: caribou, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. American Legion - Maine Department

    EIN 010018930 · Headquarters: WINSLOW, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. American Legion 0002 Fitzgerald-cummings

    EIN 010191837 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. American Legion 0084 Ohmh Post

    EIN 016016262 · Headquarters: ORONO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. American Legion 16 Peters-shortier

    EIN 016016545 · Headquarters: Skowhegan, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. American Legion Auxiliary

    EIN 010339589 · Headquarters: Lewiston, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. American Legion Auxiliary

    EIN 010344999 · Headquarters: Norway, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. American Legion Auxiliary

    EIN 010347510 · Headquarters: Berwick, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. American Legion Auxiliary

    EIN 010366403 · Headquarters: Corinna, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Legion Auxiliary

    EIN 010368462 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. American Legion Auxiliary

    EIN 010370851 · Headquarters: Sidney, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. American Legion Auxiliary

    EIN 010372679 · Headquarters: skowhegan, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. American Legion Auxiliary

    EIN 010373801 · Headquarters: Damariscotta, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. American Legion Auxiliary

    EIN 010379531 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Legion Auxiliary

    EIN 010388734 · Headquarters: Bar Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  57. American Legion Auxiliary

    EIN 010388853 · Headquarters: Old Town, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. American Legion Auxiliary

    EIN 010388865 · Headquarters: Tenants Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. American Legion Auxiliary

    EIN 010389412 · Headquarters: Buckfield, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  60. American Legion Auxiliary

    EIN 010389889 · Headquarters: Mars Hill, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  61. American Legion Auxiliary

    EIN 010517032 · Headquarters: Ellsworth, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. American Legion Auxiliary

    EIN 016011013 · Headquarters: Bethel, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Legion Auxiliary

    EIN 016013303 · Headquarters: Brownville, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. American Legion Auxiliary

    EIN 016014513 · Headquarters: Oxford, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Legion Auxiliary

    EIN 016016804 · Headquarters: Yarmouth, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. American Legion Auxiliary

    EIN 016018550 · Headquarters: Milo, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. American Legion Auxiliary

    EIN 016018578 · Headquarters: Bath, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Legion Auxiliary

    EIN 016018579 · Headquarters: BELFAST, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Legion Auxiliary

    EIN 016018585 · Headquarters: Fort Kent, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Legion Auxiliary

    EIN 016018587 · Headquarters: Kingfield, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. American Legion Auxiliary

    EIN 016018589 · Headquarters: Phillips, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. American Legion Auxiliary

    EIN 016018591 · Headquarters: Rangeley, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. American Legion Auxiliary

    EIN 016018596 · Headquarters: Troy, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. American Legion Auxiliary

    EIN 016018665 · Headquarters: Winthrop, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Legion Auxiliary

    EIN 016019044 · Headquarters: Frenchville, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Legion Auxiliary

    EIN 016019049 · Headquarters: Strong, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. American Legion Auxiliary

    EIN 016019061 · Headquarters: Blue Hill, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. American Legion Auxiliary

    EIN 016019064 · Headquarters: Gardiner, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Legion Auxiliary

    EIN 016019068 · Headquarters: LIVERMORE FLS, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. American Legion Auxiliary

    EIN 016019069 · Headquarters: Lubec, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. American Legion Auxiliary

    EIN 016019075 · Headquarters: Vinalhaven, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. American Legion Auxiliary

    EIN 016019120 · Headquarters: Fairfield, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. American Legion Auxiliary

    EIN 016020079 · Headquarters: GREENWOOD, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. American Legion Auxiliary

    EIN 043355197 · Headquarters: Leeds, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. American Legion Auxiliary

    EIN 222481722 · Headquarters: Carmel, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. American Legion Auxiliary

    EIN 222500301 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. American Legion Auxiliary

    EIN 222500309 · Headquarters: Lewiston, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  88. American Legion Auxiliary

    EIN 222506173 · Headquarters: Palermo, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. American Legion Auxiliary

    EIN 222506575 · Headquarters: Augusta, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. American Legion Auxiliary

    EIN 225200290 · Headquarters: Caribou, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. American Legion Auxiliary

    EIN 237164211 · Headquarters: Farmington, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. American Legion Auxiliary

    EIN 237164212 · Headquarters: Gray, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Legion Auxiliary

    EIN 261194290 · Headquarters: Westbrook, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. American Legion Auxiliary

    EIN 300934512 · Headquarters: RUMFORD, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. American Legion Auxiliary

    EIN 352554073 · Headquarters: Athens, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  96. American Legion Auxiliary

    EIN 364622113 · Headquarters: Greenville Junction, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  97. American Legion Auxiliary

    EIN 383938991 · Headquarters: Raymond, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Legion Auxiliary

    EIN 510148725 · Headquarters: Pembroke, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Legion Auxiliary

    EIN 611674439 · Headquarters: Dover Foxcroft, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. American Legion Auxiliary

    EIN 611726980 · Headquarters: Pittsfield, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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