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. Knights of Columbus

    EIN 900866640 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 912038748 · Headquarters: Lewiston, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 923526737 · Headquarters: Machias, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 943454963 · Headquarters: Gorham, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Knights of Columbus #2638

    EIN 237542428 · Headquarters: MADAWASKA, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Knights of Columbus - Council #1870

    EIN 237142825 · Headquarters: CARIBOU, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. KNIGHTS OF COLUMBUS 349 Assembly

    EIN 237546775 · Headquarters: VAN BUREN, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Knights of Columbus Chevrus Council No 2344

    EIN 237542419 · Headquarters: CAPE ELIZABETH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Knights of Columbus Council 1947

    EIN 010267400 · Headquarters: Brunswick, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Knights of Columbus Fort Kent Council

    EIN 237106817 · Headquarters: FORT KENT, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Knights of Columbus Fort Kent Fourth Degree Assembly

    EIN 222813921 · Headquarters: FORT KENT, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights of Columbus Madawaska Assembly 0366

    EIN 273608561 · Headquarters: MADAWASKA, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Knights of Columbus Me State Council

    EIN 237142769 · Headquarters: ST DAVID, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Knights of Columbus Post 5524

    EIN 237542439 · Headquarters: Lincoln, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Knights of Columbus Rev Charles Sweron Council Inc

    EIN 020388942 · Headquarters: SAINT AGATHA, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  16. Knights of Columbus St Croix Council

    EIN 237184585 · Headquarters: CALAIS, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Knights of Pythias of Maine

    EIN 016016932 · Headquarters: OTIS, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Knights of Pythias of Maine

    EIN 237537346 · Headquarters: BOWDOINHAM, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Knights of Pythias of Maine

    EIN 237537365 · Headquarters: Boothbay, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  20. Knights of Pythias of Maine

    EIN 237537374 · Headquarters: Berwick, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Knights of Pythias of Maine Brewer Lodge

    EIN 010102346 · Headquarters: OTIS, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Knights of the York Cross of Honour Convent General

    EIN 237532695 · Headquarters: Kittery, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Knights of the York Cross of Honour Convent General

    EIN 237532700 · Headquarters: Pittston, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Knights Templar of the United States of America

    EIN 010213667 · Headquarters: South Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Knights Templar of the United States of America

    EIN 237128529 · Headquarters: Madison, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  26. Knights Templar of the United States of America

    EIN 237135695 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Knights Templar of the United States of America

    EIN 237135721 · Headquarters: Lincolnville, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Knights Templar of the United States of America

    EIN 237233613 · Headquarters: Kittery, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Knights Templar of the United States of America

    EIN 237619566 · Headquarters: LEVANT, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Knights Templar of the United States of America

    EIN 237619574 · Headquarters: Calais, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Knights Templar of the United States of America

    EIN 261596106 · Headquarters: Wilton, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Knights Templar of the United States of America

    EIN 262335121 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Knights Templar of the USA No 2 Portland St

    EIN 016010273 · Headquarters: South Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Knox County Experimental Aircraft Association Eaa Chapter 696

    EIN 473193019 · Headquarters: Owls Head, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Knox County Fish and Game Association

    EIN 010226947 · Headquarters: Union, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Knox District Housing C/o Downeast Horizons

    EIN 010405256 · Headquarters: BAR HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Knox Lincoln County Beekeepers

    EIN 874208164 · Headquarters: Newcastle, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. Knox-lincoln Cnty Farm Bureau Assn

    EIN 010286900 · Headquarters: Waldoboro, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Kollegewidgwok Yacht Club

    EIN 010217552 · Headquarters: BLUE HILL, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Kora Brewers

    EIN 824088421 · Headquarters: LEWISTON, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Kora Cash Calendar

    EIN 823237245 · Headquarters: LEWISTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Kora Demolay Council

    EIN 833473443 · Headquarters: LEWISTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Kora Kampers

    EIN 611990151 · Headquarters: LEWISTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Kora Kitchen Club

    EIN 923069788 · Headquarters: LEWISTON, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Kora Kraftsman

    EIN 901253958 · Headquarters: LEWISTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Kora Shriners

    EIN 010116390 · Headquarters: LEWISTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Kora Shriners Association

    EIN 222519790 · Headquarters: LEWISTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Kora Shriners Group

    EIN 010364856 · Headquarters: LEWISTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  49. Krazy Clovers Helping Hearts 4-H Club

    EIN 333699853 · Headquarters: Augusta, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Kukunsook Camp Owners Association

    EIN 010354948 · Headquarters: Stillwater, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Kw Memorial Fund

    EIN 331515366 · Headquarters: Owls Head, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Kyndness Foundation

    EIN 920620606 · Headquarters: Winter Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. La Arts

    EIN 010391208 · Headquarters: LEWISTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. La Leche League International

    EIN 472835454 · Headquarters: Newcastle, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. La Leche League International Inc

    EIN 010506447 · Headquarters: Newcastle, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. La Leche League International Inc

    EIN 010532334 · Headquarters: Bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. La Leche League International Inc

    EIN 010543519 · Headquarters: Ellsworth, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. La Leche League International Inc

    EIN 010547589 · Headquarters: Bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. La Societe De Femme Cabane 308

    EIN 010484604 · Headquarters: AUGUSTA, ME, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Laborers Intl Union of North America Local 327 Local Union

    EIN 010244422 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Ladies Auxiliary of the Fleet Reserve Association

    EIN 510163032 · Headquarters: TOPSHAM, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  62. Ladies Public Improvement Society Inc

    EIN 010374072 · Headquarters: Blue Hill, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Laeg Foundation

    EIN 814450912 · Headquarters: LEWISTON, ME, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  64. Lafayette Social Club

    EIN 237157980 · Headquarters: SANFORD, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Lake Arrowhead Community Inc

    EIN 010341134 · Headquarters: NORTH WATERBORO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Lake Avenue Road Association

    EIN 522012783 · Headquarters: Gray, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Lake George Corporation D/b/a Lake George Regional Park

    EIN 010477896 · Headquarters: SKOWHEGAN, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Lake Region Educational Support Personnel Assn

    EIN 383768531 · Headquarters: Bridgton, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Lake Region Teachers Asso

    EIN 800309064 · Headquarters: Bridgton, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Lakes Region Food

    EIN 471641378 · Headquarters: naples, ME, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  71. Lambda Chi Alpha Fraternity Beta Zeta Chapter

    EIN 113728621 · Headquarters: ORONO, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  72. Lance C Bosworth Memorial Fund

    EIN 261746521 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  73. Land & Furrow Inc

    EIN 852335148 · Headquarters: SKOWHEGAN, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Land Share Riders

    EIN 262461403 · Headquarters: Parsonsfield, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Landmark Heritage Trust

    EIN 016113072 · Headquarters: DIXMONT, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  76. Lano Family Foundation

    EIN 800850972 · Headquarters: Old Orchard Bch, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Lark Society for Chamber Music D/b/a Portland String Quartet Society

    EIN 010367023 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  78. Laura E Richards Library

    EIN 222478788 · Headquarters: Georgetown, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Laurel Hill Cemetery Association

    EIN 010104905 · Headquarters: SACO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Lawrence High School Girls Lacrosse Boosters

    EIN 871129928 · Headquarters: CLINTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Le Passe-temps Inc

    EIN 010135937 · Headquarters: LEWISTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. Le Tip of Portland Maine

    EIN 263371156 · Headquarters: Yarmouth, ME, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  83. Leadsmart Training Solutions Inc

    EIN 273030364 · Headquarters: SOUTH BERWICK, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. League of Women Voters of Maine

    EIN 010394343 · Headquarters: Ellsworth, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. League of Women Voters of Maine

    EIN 016020634 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. League of Women Voters of Maine

    EIN 237032441 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. League of Women Voters of Maine Education Fund Inc

    EIN 043386477 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. League of Women Voters of Portland Area Maine

    EIN 016015683 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Learning Land Inc

    EIN 237063127 · Headquarters: BRUNSWICK, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Leavitt Cross Country Team Boosters

    EIN 900658355 · Headquarters: Turner, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  91. Lebanon Lodge of Free & Accepted Masons Building Association

    EIN 921710534 · Headquarters: OAKLAND, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Ledgelawn Cemetery Inc

    EIN 010206454 · Headquarters: BAR HARBOR, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Lee Academy

    EIN 010237244 · Headquarters: LEE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Lee Academy Education Association

    EIN 824138780 · Headquarters: Lee, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Lee Mogul Pounders Inc

    EIN 016047461 · Headquarters: LEE, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Lela H Thornburg Trust Goodall Lib

    EIN 016011398 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. Leland M Littlefield Trust

    EIN 016017204 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Levasseur-farrell Post 49 Ladies Auxilary Unit

    EIN 010389742 · Headquarters: VAN BUREN, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Levey Day School

    EIN 010285528 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Levi Shuah Brooks Memorial Park

    EIN 010474234 · Headquarters: Eliot, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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