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. Maine Power for Maine People

    EIN 844695042 · Headquarters: RICHMOND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Maine Press Association

    EIN 222898906 · Headquarters: Camden, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Maine Pretrial Services

    EIN 010461120 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Maine Psychological Association

    EIN 010486021 · Headquarters: CUMBERLAND CENTER, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. Maine Public Broadcasting Corp Employees Association

    EIN 010481653 · Headquarters: Bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Maine Quilt Shop Hop

    EIN 475576152 · Headquarters: TURNER, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Maine Radiological Society

    EIN 010477858 · Headquarters: Manchester, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Maine Real Estate & Development Association

    EIN 010416849 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Maine Real Estate Managers Association

    EIN 010495845 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Maine Region Ten Technical High School

    EIN 010328293 · Headquarters: Brunswick, ME, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  11. Maine Regional Group of Blinded Veterans Association

    EIN 010493453 · Headquarters: Benton, ME, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  12. Maine Renewable Energy Association

    EIN 010491904 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  13. Maine Right to Life Committee

    EIN 010324012 · Headquarters: AUBURN, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Maine Right to Life Committee Eductional Fund

    EIN 237447675 · Headquarters: AUBURN, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. Maine Rivers Law Foundation

    EIN 862562493 · Headquarters: AUBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Maine Rowing Association

    EIN 010489873 · Headquarters: South China, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Maine Rural Water Association

    EIN 010366057 · Headquarters: Richmond, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Maine School Management Association

    EIN 010461960 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Maine School Nutrition Association

    EIN 010442172 · Headquarters: Gardiner, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Maine Seacoast Mission

    EIN 010216837 · Headquarters: Northeast Harbor, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Maine Search Rescue Dogs

    EIN 010488422 · Headquarters: York, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Maine Security Analysts Society

    EIN 043547791 · Headquarters: Yarmouth, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Maine Self Storage Association

    EIN 301356795 · Headquarters: Rockland, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  24. Maine Self-insurance Guarantee Association

    EIN 010390410 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Maine Seniors Golf Association

    EIN 010392687 · Headquarters: Yarmouth, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Maine Service Employees Association Income Protection Plan & Trust

    EIN 222553196 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Maine Service Employees Association Seiu Local 1989

    EIN 010204000 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Maine Share

    EIN 010444245 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  29. Maine Sheriffs Association

    EIN 010463255 · Headquarters: Waterville, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Maine Snowmobile Association Inc

    EIN 237062565 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Maine Society for Respiratory Care

    EIN 010345865 · Headquarters: Windham, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Maine Society of Anesthesiologists

    EIN 223086719 · Headquarters: MANCHESTER, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Maine Society of Cytology Inc

    EIN 510187473 · Headquarters: China, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Maine Society of Gastroenterologists

    EIN 300226190 · Headquarters: Manchester, ME, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  35. Maine Society of Land Surveyors

    EIN 010363169 · Headquarters: Auburn, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Maine Society of Orthopaedic Surgeons

    EIN 010478426 · Headquarters: Manchester, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Maine Solar Energy Association

    EIN 222704116 · Headquarters: jonesport, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. Maine Sporting Dog Association

    EIN 471000265 · Headquarters: Kingfield, ME, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  39. Maine Sports Commission

    EIN 455365197 · Headquarters: Auburn, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  40. Maine State Ballet

    EIN 010420070 · Headquarters: Falmouth, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Maine State Bar Association

    EIN 010279306 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  42. Maine State Chamber of Commerce

    EIN 010021545 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Maine State Law Enforcement Association

    EIN 203677098 · Headquarters: EDDINGTON, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  44. Maine State Pomological Society

    EIN 010487141 · Headquarters: scarborough, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Maine State Rheumatology Society

    EIN 421688172 · Headquarters: manchester, ME, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  46. Maine State Troopers Association

    EIN 010343289 · Headquarters: SOUTH PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Maine Stone Worker Guild

    EIN 010512812 · Headquarters: East Boothbay, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. Maine Tennis Association Inc

    EIN 010364951 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Maine Title Ia Educators Network

    EIN 471260920 · Headquarters: Farmingdale, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. Maine Tourism Association

    EIN 010165110 · Headquarters: Hallowell, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Maine Trappers Association

    EIN 010378631 · Headquarters: GORHAM, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Maine Trial Lawyers Association

    EIN 237267368 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Maine Veterinary Medical Association Inc

    EIN 010482076 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Maine Voad

    EIN 264831428 · Headquarters: Brownville, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Maine Volleyball Foundation Inc

    EIN 273800408 · Headquarters: Gray, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Maine Water Environment Association

    EIN 010380810 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Maine Water Utilities Assoc

    EIN 010114110 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Maine Wildlife Transport Inc

    EIN 871814183 · Headquarters: Brunswick, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Maine Womans Christian Temperance

    EIN 010114140 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Maine Women in the Arts

    EIN 651274760 · Headquarters: Wells, ME, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  61. Maine Women's Lobby

    EIN 010357336 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Maine Woods Conservancy Inc

    EIN 223042317 · Headquarters: Sebec, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  63. Maine Woods Defense Fund

    EIN 844333665 · Headquarters: NEW GLOUCESTER, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  64. Maine Writers and Publishers Allian

    EIN 010375832 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Maine Yacht Racing Association Inc

    EIN 237213306 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  66. Maine-Dartmouth Family Medicine Residency

    EIN 010369195 · Headquarters: Augusta, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Maine-iac Dive Club

    EIN 811045496 · Headquarters: Brunswick, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. MaineGeneral Health

    EIN 320265031 · Headquarters: Augusta, ME, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Maineiacs Charities Inc

    EIN 010440449 · Headquarters: Bangor, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Mainely Teeth LLC

    EIN 853626279 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  71. Mainers Against Coastal Noise Pollution

    EIN 863509088 · Headquarters: South Freeport, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  72. Mainers for Home Care

    EIN 825478927 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990

  73. Mainers for Working Families

    EIN 843390123 · Headquarters: MADISON, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. Maines Lakes and Mountains Tourism Council

    EIN 040484002 · Headquarters: Auburn, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. MaineSoftballCoachesAssociation

    EIN 472827138 · Headquarters: Scarborough, ME, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  76. Make Beautiful Tribe

    EIN 010567229 · Headquarters: Penobscot, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Making Change for Children

    EIN 331184465 · Headquarters: Belgrade, ME, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  78. Malcom F Macneil Family Foundation Ii

    EIN 237230620 · Headquarters: CUMBERLAND FORESIDE, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Maliseet Community Development Authority

    EIN 811826134 · Headquarters: LITTLETON, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Manchester Housing for the Elderly C/o Bradley Ronco

    EIN 010367056 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Manes & Danes

    EIN 800914746 · Headquarters: Hampden, ME, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  82. Manning Family Club Inc

    EIN 061306696 · Headquarters: Denmark, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  83. Manufactured Housing Association of Maine

    EIN 222502179 · Headquarters: Scarborough, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  84. Manufacturers Association of Maine

    EIN 010361523 · Headquarters: AUGUSTA, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Maple Grove Cemetary Association

    EIN 016014765 · Headquarters: Acton, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Maple Housing Development Fund Corporation

    EIN 464139620 · Headquarters: South Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Maranacook Area Schools Association

    EIN 320284241 · Headquarters: Readfield, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Maranacook Area Youth Hockey Association

    EIN 010464753 · Headquarters: Readfield, ME, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  89. Maranacook Staff Association

    EIN 320265199 · Headquarters: Readfield, ME, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  90. Margaret J S Kennedy Trust Portland Trust Co Llc

    EIN 016027394 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. Mariaville Volunteer Fire Department Inc

    EIN 010358216 · Headquarters: Mariaville, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. Marine Corp League

    EIN 464463024 · Headquarters: St John Plt, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Marine Corps League

    EIN 010472782 · Headquarters: Auburn, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Marine Corps League

    EIN 010475075 · Headquarters: augusta, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Marine Corps League

    EIN 010517743 · Headquarters: St John Plt, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Marine Corps League

    EIN 010517746 · Headquarters: Yarmouth, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Marine Corps League

    EIN 010517747 · Headquarters: Stetson, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Marine Corps League

    EIN 010517748 · Headquarters: GLENBURN, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Marine Corps League

    EIN 010525336 · Headquarters: Lincoln, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Marine Corps League

    EIN 264527504 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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