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. Knights of Columbus

    EIN 010485018 · Headquarters: Limerick, ME, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  2. Knights of Columbus

    EIN 010486007 · Headquarters: Levant, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Knights of Columbus

    EIN 010490600 · Headquarters: Fairfield, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  4. Knights of Columbus

    EIN 010495050 · Headquarters: Hope, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. Knights of Columbus

    EIN 010499199 · Headquarters: Augusta, ME, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  6. Knights of Columbus

    EIN 010504358 · Headquarters: Saco, ME, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  7. Knights of Columbus

    EIN 010507189 · Headquarters: Houlton, ME, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  8. Knights of Columbus

    EIN 010518986 · Headquarters: Oakland, ME, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  9. Knights of Columbus

    EIN 010519987 · Headquarters: York, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Knights of Columbus

    EIN 016012185 · Headquarters: Levant, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Knights of Columbus

    EIN 016012980 · Headquarters: FORT FAIRFIELD, ME, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Knights of Columbus

    EIN 020449951 · Headquarters: Lebanon, ME, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Knights of Columbus

    EIN 020468956 · Headquarters: KITTERY, ME, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  14. Knights of Columbus

    EIN 043359823 · Headquarters: York Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Knights of Columbus

    EIN 043379556 · Headquarters: Kennebunk, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Knights of Columbus

    EIN 222662044 · Headquarters: Jay, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Knights of Columbus

    EIN 222707796 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  18. Knights of Columbus

    EIN 222924686 · Headquarters: Paris, ME, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. Knights of Columbus

    EIN 237001701 · Headquarters: BUCKSPORT, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Knights of Columbus

    EIN 237104820 · Headquarters: JAY, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Knights of Columbus

    EIN 237106984 · Headquarters: Houlton, ME, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  22. Knights of Columbus

    EIN 237107426 · Headquarters: LEWISTON, ME, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  23. Knights of Columbus

    EIN 237107794 · Headquarters: BELFAST, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Knights of Columbus

    EIN 237119208 · Headquarters: Dexter, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Knights of Columbus

    EIN 237142214 · Headquarters: Biddeford, ME, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  26. Knights of Columbus

    EIN 237142592 · Headquarters: Millinocket, ME, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Knights of Columbus

    EIN 237142698 · Headquarters: VAN BUREN, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Knights of Columbus

    EIN 237142889 · Headquarters: Rumford, ME, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  29. Knights of Columbus

    EIN 237157375 · Headquarters: Limestone, ME, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  30. Knights of Columbus

    EIN 237189794 · Headquarters: Springvale, ME, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. Knights of Columbus

    EIN 237542399 · Headquarters: Augusta, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Knights of Columbus

    EIN 237542403 · Headquarters: Gardiner, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Knights of Columbus

    EIN 237542404 · Headquarters: whitefield, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Knights of Columbus

    EIN 237542407 · Headquarters: benedicta, ME, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  35. Knights of Columbus

    EIN 237542413 · Headquarters: Skowhegan, ME, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  36. Knights of Columbus

    EIN 237542418 · Headquarters: Old Orchard Beach, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Knights of Columbus

    EIN 237542420 · Headquarters: Lisbon Falls, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  38. Knights of Columbus

    EIN 237542424 · Headquarters: Livermore Falls, ME, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  39. Knights of Columbus

    EIN 237542429 · Headquarters: Penobscot, ME, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  40. Knights of Columbus

    EIN 237542431 · Headquarters: Limestone, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Knights of Columbus

    EIN 237542433 · Headquarters: Portland, ME, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  42. Knights of Columbus

    EIN 237546774 · Headquarters: Pittston, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Knights of Columbus

    EIN 237546785 · Headquarters: Rockwood, ME, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  44. Knights of Columbus

    EIN 237546793 · Headquarters: LEWISTON, ME, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  45. Knights of Columbus

    EIN 262621639 · Headquarters: Wells, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Knights of Columbus

    EIN 270482953 · Headquarters: Lewiston, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Knights of Columbus

    EIN 320421363 · Headquarters: Jackman, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Knights of Columbus

    EIN 364632211 · Headquarters: AUBURN, ME, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Knights of Columbus

    EIN 452230917 · Headquarters: Old Orchard Beach, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Knights of Columbus

    EIN 463031127 · Headquarters: Ellsworth, ME, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  51. Knights of Columbus

    EIN 473934641 · Headquarters: Falmouth, ME, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Knights of Columbus

    EIN 521561086 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Knights of Columbus

    EIN 571147016 · Headquarters: Rumford, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  54. Knights of Columbus

    EIN 593793986 · Headquarters: Lewiston, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. Knights of Columbus

    EIN 611563737 · Headquarters: PORTLAND, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Knights of Columbus

    EIN 611624805 · Headquarters: BRIDGTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Knights of Columbus

    EIN 611629026 · Headquarters: WINDHAM, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Knights of Columbus

    EIN 742478504 · Headquarters: Springvale, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Knights of Columbus

    EIN 760805173 · Headquarters: Sidney, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Knights of Columbus

    EIN 800184336 · Headquarters: Lewiston, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Knights of Columbus

    EIN 800187898 · Headquarters: Waterville, ME, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Knights of Columbus

    EIN 815391003 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Knights of Columbus

    EIN 824841955 · Headquarters: Wells, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Knights of Columbus

    EIN 843059451 · Headquarters: Houlton, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Knights of Columbus

    EIN 843653370 · Headquarters: PRESQUE ISLE, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Knights of Columbus

    EIN 844292053 · Headquarters: Dover Foxcroft, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Knights of Columbus

    EIN 844316080 · Headquarters: Scarborough, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Knights of Columbus

    EIN 844498880 · Headquarters: Greenville, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Knights of Columbus

    EIN 844516096 · Headquarters: Waterville, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Knights of Columbus

    EIN 844517460 · Headquarters: Greenville, ME, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Knights of Columbus

    EIN 844575357 · Headquarters: Pittsfield, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. Knights of Columbus

    EIN 844871222 · Headquarters: Bath, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Knights of Columbus

    EIN 851022381 · Headquarters: Madison, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  74. Knights of Columbus

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

  75. Knights of Columbus

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

  76. Knights of Columbus

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

  77. Knights of Columbus

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

  78. Knights of Columbus #2638

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

  79. Knights of Columbus - Council #1870

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

  80. 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

  81. Knights of Columbus Assembly 1751

    EIN 521381452 · Headquarters: Limestone, ME, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  82. 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

  83. Knights of Columbus Council 17078 Rev Gerard Proulx

    EIN 222549972 · Headquarters: Lyman, ME, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. Knights of Columbus Council 1947

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

  85. 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

  86. 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

  87. Knights of Columbus Fourth Degree Luke E Hart

    EIN 237546771 · Headquarters: Biddeford, ME, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  88. 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

  89. 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

  90. Knights of Columbus Post 5524

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

  91. 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

  92. 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

  93. Knights of Columbus St Joseph Council 12941

    EIN 912153364 · Headquarters: Biddeford, ME, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Knights of Noble Lacrosse

    EIN 825305899 · Headquarters: Berwick, ME, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Knights of Pythias of Maine

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

  96. Knights of Pythias of Maine

    EIN 237122997 · Headquarters: Strong, ME, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  97. Knights of Pythias of Maine

    EIN 237537345 · Headquarters: EASTPORT, ME, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  98. Knights of Pythias of Maine

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

  99. Knights of Pythias of Maine

    EIN 237537356 · Headquarters: GOULDSBORO, ME, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  100. Knights of Pythias of Maine

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

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