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. International Order of the Rainbow Girls

    EIN 237143996 · Headquarters: STEEP FALLS, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. International Order of the Rainbow Girls

    EIN 237144001 · Headquarters: Windham, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. International Order of the Rainbow Girls

    EIN 237144012 · Headquarters: Windham, ME, US · Youth Development · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  4. International Order of the Rainbow Girls

    EIN 237144013 · Headquarters: Dover Foxcroft, ME, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  5. International Order of the Rainbow Girls

    EIN 237144832 · Headquarters: Ellsworth, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. International Order of the Rainbow Girls

    EIN 237506406 · Headquarters: South Paris, ME, US · Youth Development · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. International Order of the Rainbow Girls

    EIN 237506412 · Headquarters: MADISON, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. International Order of the Rainbow Girls

    EIN 912076820 · Headquarters: Gray, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. International Order of the Rainbow Girls the Supreme Assembly

    EIN 237144009 · Headquarters: guilford, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. International Peace Park Expeditions Inc

    EIN 271582462 · Headquarters: Scarborough, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. International Poetry Fellowship

    EIN 461829279 · Headquarters: Millinocket, ME, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. International Reading Association Inc

    EIN 010371419 · Headquarters: Oxford, ME, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  13. International Reading Association Inc

    EIN 341211455 · Headquarters: Southwest Harbor, ME, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  14. International Rebecca West Society

    EIN 050563323 · Headquarters: Orono, ME, US · International, Foreign Affairs & National Security · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  15. International Seaplane Flyin Inc

    EIN 010467049 · Headquarters: Greenville, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  16. International Seaweed Association

    EIN 010520392 · Headquarters: POLAND, ME, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. International Society of Hypnosis

    EIN 222678391 · Headquarters: OQUOSSOC, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. International Union Security Police Fire Professionals of America

    EIN 010371615 · Headquarters: MILLINOCKET, ME, US · Crime & Legal Related · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  19. International Union UAW LOCAL 3999

    EIN 010531484 · Headquarters: BATH, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. International Wildlife Crimestoppers Inc

    EIN 841481166 · Headquarters: VASSALBORO, ME, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. International Women of Service Organization

    EIN 332696803 · Headquarters: Standish, ME, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. International Womens Club of New England

    EIN 010469832 · Headquarters: CAPE NEDDICK, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. International Womens Insolvency & Restructuring Confederation Inc

    EIN 043322584 · Headquarters: Portland, ME, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Internity

    EIN 472308118 · Headquarters: Milbridge, ME, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Interpreter Services for the Deaf Inc

    EIN 201319801 · Headquarters: Cambridge, ME, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  26. Interstate Sno-goers Inc

    EIN 222511992 · Headquarters: Fryeburg, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. IOOF Grand Lodge Trustee U/W W Scott Reid

    EIN 016141002 · Headquarters: Auburn, ME, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Iota Nu House Corporation of Sigma Nu Fraternity

    EIN 010363602 · Headquarters: GORHAM, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Iota Nu Kappa Multicultural Fraternity

    EIN 451143625 · Headquarters: Orono, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. Iraqi Community Association of Maine

    EIN 474629743 · Headquarters: South Portland, ME, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  31. Iraqi Community Center in Maine

    EIN 881547094 · Headquarters: Biddeford, ME, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Irene Chadbourne Ecumenical Food Pantry

    EIN 760796660 · Headquarters: Calais, ME, USA · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Irish-american Club

    EIN 237337825 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Irving S Ray & Ada H Ray Memorial Fund

    EIN 016059686 · Headquarters: PORTLAND, ME, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. Irving Tanning Community Center Inc

    EIN 010528777 · Headquarters: HARTLAND, ME, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Isabella J Gendron Foundation

    EIN 994619388 · Headquarters: LEWISTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. Isaiah 58 Fund

    EIN 454491148 · Headquarters: Woolwich, ME, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Isc2 Maine Chapter

    EIN 455296326 · Headquarters: Auburn, ME, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Islamic Society of Greater Augusta

    EIN 300579592 · Headquarters: AUGUSTA, ME, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Island Angels

    EIN 920734347 · Headquarters: Deer Isle, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Island Commons Resource Center

    EIN 010496139 · Headquarters: CHEBEAGUE ISLAND, ME, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Island Community Center Inc

    EIN 300072113 · Headquarters: STONINGTON, ME, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Island Connections

    EIN 043386167 · Headquarters: BAR HARBOR, ME, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Island Country Club

    EIN 010096117 · Headquarters: DEER ISLE, ME, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Island Culinary & Ecological Center

    EIN 800388253 · Headquarters: Deer Isle, ME, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  46. Island Falls Fire and Ambulance Corporation

    EIN 462858791 · Headquarters: Island Falls, ME, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Island Falls Historical Society

    EIN 010461676 · Headquarters: Island Falls, ME, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Island Falls Housing Corporation

    EIN 010365386 · Headquarters: CARIBOU, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Island Falls Lakes Association

    EIN 471722224 · Headquarters: ISLAND FALLS, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Island Falls Opera House Theatre Inc

    EIN 933178376 · Headquarters: Island Falls, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Island Feral Cat Association

    EIN 208841389 · Headquarters: Islesboro, ME, US · Animal Related · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  52. Island Fishermens Wives Association

    EIN 010452218 · Headquarters: Stonington, ME, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Island Health & Wellness Foundation

    EIN 016022815 · Headquarters: DEER ISLE, ME, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Island Heritage Trust Inc

    EIN 010426251 · Headquarters: DEER ISLE, ME, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Island Hoops Project Inc

    EIN 834126720 · Headquarters: Cape Elizabeth, ME, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  56. Island Housing Trust

    EIN 222993615 · Headquarters: MOUNT DESERT, ME, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Island Institute

    EIN 222786731 · Headquarters: Rockland, ME, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Island Men-s Christian Fellow

    EIN 453825090 · Headquarters: LTL DEER IS, ME, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  59. Island Nursing Home Inc

    EIN 510172239 · Headquarters: Deer Isle, ME, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Island Pantry Inc

    EIN 223082960 · Headquarters: DEER ISLE, ME, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Island Pond Watershed Association

    EIN 205655791 · Headquarters: Raymond, ME, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Island Readers & Writers an Initiative for Maine Children

    EIN 753225744 · Headquarters: MOUNT DESERT, ME, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Island Rover Foundation

    EIN 010539991 · Headquarters: Freeport, ME, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Island Sail

    EIN 010527850 · Headquarters: Vinalhaven, ME, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Island Teachers Association

    EIN 800309810 · Headquarters: Deer Isle, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Island Transportation System

    EIN 943479334 · Headquarters: Peaks Island, ME, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Island Village Childcare

    EIN 383782566 · Headquarters: VINALHAVEN, ME, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Island Workforce Housing

    EIN 833534060 · Headquarters: Deer Isle, ME, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Islanders Against Domestic Abuse

    EIN 510529773 · Headquarters: Deer Isle, ME, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  70. Islands Association of Museums and Historical Societies

    EIN 222994630 · Headquarters: Mount Desert, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Islands Community Medical Services

    EIN 016012835 · Headquarters: VINALHAVEN, ME, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Isle Au Haut Boat Services

    EIN 371458785 · Headquarters: STONINGTON, ME, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. Isle Au Haut Community Development Corporation

    EIN 010454046 · Headquarters: ISLE AU HAUT, ME, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. Isle Au Haut Electric Power Company

    EIN 010311701 · Headquarters: Isle au Haut, ME, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Isle Au Haut Historical Society

    EIN 010501182 · Headquarters: Isle au Haut, ME, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Isle of Springs Tennis Club

    EIN 010346006 · Headquarters: BOOTHBAY, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Isle Theater Company Inc

    EIN 872818480 · Headquarters: DEER ISLE, ME, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. Islesboro Affordable Property

    EIN 222996309 · Headquarters: Islesboro, ME, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  79. Islesboro Ambulance Association

    EIN 222551388 · Headquarters: Islesboro, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Islesboro Community Center

    EIN 600001118 · Headquarters: Islesboro, ME, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Islesboro Community Fund

    EIN 016019442 · Headquarters: ISLESBORO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Islesboro Historical Society Inc

    EIN 010316968 · Headquarters: Islesboro, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Islesboro Islands Trust

    EIN 226296539 · Headquarters: Islesboro, ME, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Islesboro Sewing Circle

    EIN 851236472 · Headquarters: Islesboro, ME, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Islesboro Teachers Association

    EIN 273690579 · Headquarters: Islesboro, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. Islesford Boatworks

    EIN 010862872 · Headquarters: ISLESFORD, ME, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  87. Islesford Historical Society

    EIN 010462510 · Headquarters: Islesford, ME, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Islesford Scholarship Fund Inc

    EIN 010539107 · Headquarters: Islesford, ME, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  89. Islesmon Camaraderie Inc

    EIN 465521031 · Headquarters: LUBEC, ME, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  90. Italian Heritage Charitable Trust Fund

    EIN 010486594 · Headquarters: Portland, ME, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Itn Quadcities

    EIN 260676372 · Headquarters: Westbrook, ME, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  92. Itnamerica

    EIN 200960314 · Headquarters: Westbrook, ME, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Its My Death

    EIN 465250970 · Headquarters: Wiscasset, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Its My Party Inc

    EIN 474503869 · Headquarters: WELLS, ME, USA · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  95. Itty Bitty Kitten Rescue Inc

    EIN 845031830 · Headquarters: BRUNSWICK, ME, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. Ivy 4-H Club

    EIN 010450947 · Headquarters: LITCHFIELD, ME, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. Iwf Maine

    EIN 854261169 · Headquarters: Yarmouth, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Ixplore Stem Inc

    EIN 472181601 · Headquarters: Yarmouth, ME, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Izaak Walton League of America

    EIN 753125197 · Headquarters: Holden, ME, US · Environment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  100. J a C K

    EIN 200896649 · Headquarters: Ellsworth, ME, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

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