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. Highview Riding Club Inc

    EIN 016017250 · Headquarters: Springvale, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Hillside Cemetery

    EIN 010280047 · Headquarters: Corea, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Hine-2 Corporation C/o Cynthia Taylor

    EIN 223255687 · Headquarters: SCARBOROUGH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. Hio Ridge Association

    EIN 464207973 · Headquarters: Bridgton, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Hiram Community Club

    EIN 800687366 · Headquarters: Hiram, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  6. Hiram N Perkins Tr F So Me Health Ca

    EIN 016015801 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Historical Society of Litchfield

    EIN 010341794 · Headquarters: Litchfield, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Historical Society of the Town of Hancock Maine

    EIN 010369079 · Headquarters: HANCOCK, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. History House Association Inc

    EIN 010217324 · Headquarters: Skowhegan, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Hodgdon Housing for the Elderly Inc

    EIN 010354634 · Headquarters: HODGDON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  11. Hodgdon Teachers Association

    EIN 943450581 · Headquarters: Hodgdon, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Hollingsworth & Whitney Association

    EIN 016015357 · Headquarters: CLINTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  13. Hollow Tree Education

    EIN 880728124 · Headquarters: Cumberland Center, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  14. Holmestead Inc

    EIN 010241920 · Headquarters: Calais, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  15. Home Care & Hospice Alliance of Maine

    EIN 010356240 · Headquarters: MANCHESTER, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Home Counselors Inc

    EIN 010405274 · Headquarters: Rockland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Homeless Services of Aroostook Inc

    EIN 222564830 · Headquarters: PRESQUE ISLE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Hoofbeats & Heartbeats

    EIN 413553600 · Headquarters: Falmouth, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Hoop Camp

    EIN 010374565 · Headquarters: Casco, ME, United States · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  20. Hope and Justice Project Inc

    EIN 010364852 · Headquarters: PRESQUE ISLE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Hope Beyond Horizons Ministry

    EIN 365124942 · Headquarters: Hermon, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Hope Cemetery Corporation

    EIN 010092600 · Headquarters: KENNEBUNK, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  23. Hope Teachers Association

    EIN 364684132 · Headquarters: Hope, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Horace Williams Memorial Fund

    EIN 016008547 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. Hospice Regatta of Maine

    EIN 010508465 · Headquarters: ELLSWORTH, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  26. Hospice Volunteers of Hancock County

    EIN 010385020 · Headquarters: ELLSWORTH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Hospice Volunteers of Somerset County

    EIN 010465864 · Headquarters: Skowhegan, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Hospice Volunteers of Waldo County

    EIN 222668307 · Headquarters: Belfast, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Hospital and Home Care Fiscal Solutions Corporation

    EIN 464415597 · Headquarters: bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  30. Hospitalitymaine

    EIN 010360869 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. HospitalityMaine

    EIN 010421242 · Headquarters: Augusta, Maine, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Houlton Chamber of Commerce

    EIN 010192722 · Headquarters: HOULTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  33. Houlton Childrens Theatre Inc

    EIN 010368723 · Headquarters: HOULTON, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Houlton Fair Hog Market Club

    EIN 831400607 · Headquarters: Hodgdon, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Houlton Maine Elks Lodge No 835

    EIN 010027746 · Headquarters: Houlton, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Houlton Regional Hospital Aux

    EIN 237201888 · Headquarters: HOULTON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Housing First of Strafford County

    EIN 933045521 · Headquarters: Berwick, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Howard Hill Cemetery Corp

    EIN 010278132 · Headquarters: Little Deer isle, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Howard Lodge Building Corporation

    EIN 465052254 · Headquarters: Winterport, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Hoyan

    EIN 412534236 · Headquarters: Freeport, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Hubbard Free Library

    EIN 010248668 · Headquarters: HALLOWELL, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Huber Foundation

    EIN 210737062 · Headquarters: Falmouth, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. Human Resource Association of Easte Rn Maine

    EIN 010486968 · Headquarters: Carmel, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  44. Hutchinson-boulter Post 130 American Legion

    EIN 465428468 · Headquarters: Bar Mills, ME, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  45. Hydroterra Ocean Education Center

    EIN 833568932 · Headquarters: Edgecomb, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. I M Solutions Forum Inc

    EIN 300807446 · Headquarters: Norway, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Illuminating Engineering Society

    EIN 010451903 · Headquarters: Belfast, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Improved Order of Redmen of Maine

    EIN 010430110 · Headquarters: BELMONT, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Improved Order of Redmen of Maine

    EIN 010509582 · Headquarters: BELMONT, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Improved Order of Redmen of Maine

    EIN 237505621 · Headquarters: SEBAGO, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  51. Improved Order of Redmen of Maine 13 Tarratine Tribe

    EIN 237505620 · Headquarters: Belfast, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Independent Assoc of Nonpartisan Legislative Professionals

    EIN 464539406 · Headquarters: Augusta, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Independent Order of Odd Fellows

    EIN 010067817 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Independent Order of Odd Fellows

    EIN 010095413 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Independent Order of Odd Fellows

    EIN 010095497 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Independent Order of Odd Fellows

    EIN 010207282 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Independent Order of Odd Fellows

    EIN 010343145 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Independent Order of Odd Fellows

    EIN 010344499 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. Independent Order of Odd Fellows

    EIN 010385691 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Independent Order of Odd Fellows

    EIN 010396678 · Headquarters: SOUTH BERWICK, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Independent Order of Odd Fellows

    EIN 010405734 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Independent Order of Odd Fellows

    EIN 010406449 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Independent Order of Odd Fellows

    EIN 010438536 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  64. Independent Order of Odd Fellows

    EIN 010453408 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  65. Independent Order of Odd Fellows

    EIN 010496053 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Independent Order of Odd Fellows

    EIN 016011649 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Independent Order of Odd Fellows

    EIN 016012110 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Independent Order of Odd Fellows

    EIN 016012413 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Independent Order of Odd Fellows

    EIN 016012655 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Independent Order of Odd Fellows

    EIN 016012723 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  71. Independent Order of Odd Fellows

    EIN 016014080 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Independent Order of Odd Fellows

    EIN 016015719 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  73. Independent Order of Odd Fellows

    EIN 016017407 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Independent Order of Odd Fellows

    EIN 222486748 · Headquarters: South Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  75. Independent Order of Odd Fellows

    EIN 222592129 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Independent Order of Odd Fellows

    EIN 236708205 · Headquarters: Westbrook, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Independent Order of Odd Fellows

    EIN 237144590 · Headquarters: Westbrook, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Independent Order of Odd Fellows

    EIN 237168597 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Independent Order of Odd Fellows

    EIN 237349143 · Headquarters: Westbrook, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Independent Order of Odd Fellows

    EIN 237605506 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Independent Order of Odd Fellows

    EIN 237605526 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Independent Order of Odd Fellows

    EIN 237605638 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. Independent Order of Odd Fellows

    EIN 237605651 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Independent Order of Odd Fellows

    EIN 237605656 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Independent Order of Odd Fellows

    EIN 237605672 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Independent Order of Odd Fellows

    EIN 237608218 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Independent Order of Odd Fellows

    EIN 237610451 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  88. Independent Order of Odd Fellows

    EIN 237610468 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  89. Independent Order of Odd Fellows

    EIN 237610472 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. Independent Order of Odd Fellows

    EIN 237610493 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Independent Order of Odd Fellows

    EIN 237610500 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. Independent Order of Odd Fellows

    EIN 237610514 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Independent Order of Odd Fellows

    EIN 237610523 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  94. Independent Order of Odd Fellows

    EIN 237610524 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Independent Order of Odd Fellows

    EIN 237610543 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. Independent Order of Odd Fellows

    EIN 237610547 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Independent Order of Odd Fellows

    EIN 237610554 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Independent Order of Odd Fellows

    EIN 237610558 · Headquarters: Bowdoin, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Independent Order of Odd Fellows

    EIN 237610559 · Headquarters: Blue Hill, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Independent Order of Odd Fellows

    EIN 237610565 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

First page and all pages