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. Royal Order of Jesters

    EIN 237171797 · Headquarters: LITCHFIELD, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Royal River Riders Snowmobile Club

    EIN 932543734 · Headquarters: new gloucester, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Rsu 16 Education Association

    EIN 270334753 · Headquarters: Poland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Rsu 19 Ea

    EIN 270559371 · Headquarters: Newport, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Rsu 21 Transportation Employees Association

    EIN 475287691 · Headquarters: Kennebunk, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Rsu 23 Education Association

    EIN 270403871 · Headquarters: South Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Rsu 34 Education Association

    EIN 271161447 · Headquarters: Old Town, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Rsu 50 Ea

    EIN 452933752 · Headquarters: DYER BROOK, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Rsu 67 Education Association

    EIN 161676741 · Headquarters: Lincoln, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Rsu 71 Education Association

    EIN 474244474 · Headquarters: Belfast, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Rsu 73 Education Association

    EIN 452652076 · Headquarters: Jay, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Rsu 89 Education Association

    EIN 830661044 · Headquarters: Stacyville, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Rsu18 Education Association

    EIN 800450979 · Headquarters: Belgrade, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Rsu21 Administrators Association

    EIN 861545564 · Headquarters: Kennebunk, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Rsu21 Edtech Assn

    EIN 271167891 · Headquarters: Kennebunk, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Rumford Community Family Health Center Inc

    EIN 010481000 · Headquarters: RUMFORD, ME, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  17. Running Start Institute

    EIN 010462946 · Headquarters: Bath, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Rutherford Library Association

    EIN 010379301 · Headquarters: SOUTH BRISTOL, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. S a D 4 Teachers Assoc

    EIN 010364597 · Headquarters: Guilford, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. S a D 46 Education Association

    EIN 010458226 · Headquarters: Dexter, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. S a D 9 Support Staff

    EIN 010493733 · Headquarters: Farmington, ME, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  22. Sabattus Regional Credit Union

    EIN 010261000 · Headquarters: SABATTUS, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Sabino Improvement Association

    EIN 016013983 · Headquarters: West Bath, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Saccarappa Obedience Club

    EIN 237171465 · Headquarters: WESTBROOK, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Saco Atvers

    EIN 800585526 · Headquarters: Old Orchard Beach, ME, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  26. Saco Big Book Step Study

    EIN 010545017 · Headquarters: Saco, ME, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  27. Saco Educational Association

    EIN 471186590 · Headquarters: Saco, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. Saco Housing Development Corporation

    EIN 237356022 · Headquarters: PORTLAND, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Saco Main Street Inc

    EIN 142065342 · Headquarters: SACO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Saco Pathfinders Inc

    EIN 237307494 · Headquarters: Saco, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Saco Patrol Association

    EIN 331555468 · Headquarters: Saco, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Saco River Salmon Club

    EIN 223011032 · Headquarters: SACO, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  33. Saco Valley Fire Association

    EIN 016043522 · Headquarters: FRYEBURG, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. Saco Valley Instuctional Support Association

    EIN 010533769 · Headquarters: Waterboro, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Saco Valley Land Trust Inc

    EIN 010433636 · Headquarters: SACO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Saco Valley Teachers Association

    EIN 010462948 · Headquarters: Standish, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Saco VOANNE Senior Housing Inc

    EIN 273663183 · Headquarters: Brunswick, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Sacomaremont Little League Inc 219040

    EIN 202556719 · Headquarters: SACO, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Sacopee Rescue Unit Inc

    EIN 010345195 · Headquarters: PARSONSFIELD, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Sacopee Valley Health Center

    EIN 010347381 · Headquarters: Porter, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Sacopee Valley Little League

    EIN 812825425 · Headquarters: East Baldwin, ME, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  42. Sad 34 Ea

    EIN 203449962 · Headquarters: Belfast, ME, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  43. Sad 60 Teachers Association

    EIN 800303271 · Headquarters: South Berwick, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Sad 63 Teachers Association

    EIN 371577929 · Headquarters: Holden, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Sad 71 School District Custodial & Maintenance

    EIN 352357115 · Headquarters: Kennebunk, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. Sad37teachers Association

    EIN 272310607 · Headquarters: Harrington, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Sad60 Support Staff

    EIN 273635664 · Headquarters: Berwick, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Safe Abortions For Everyone

    EIN 010449907 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. Safe Power for Maine

    EIN 010370479 · Headquarters: Richmond, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Safe Voices

    EIN 010352658 · Headquarters: Auburn, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Saint Johns 51 Square and Compass Club

    EIN 463510475 · Headquarters: South Berwick, ME, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  52. Saint Martins of Tours Council

    EIN 010473613 · Headquarters: Millinocket, ME, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  53. Salamturkmen

    EIN 473903689 · Headquarters: West Farmington, ME, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  54. Salmon Brook Historical Society of Washburn

    EIN 222572507 · Headquarters: Washburn, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Salt Pond Community Broadcasting Co

    EIN 222513428 · Headquarters: East Orland, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Saltwater Classroom

    EIN 832687170 · Headquarters: Camden, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Salus Equito Therapeutic Center

    EIN 800377200 · Headquarters: Chesterville, ME, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  58. Samural Judo Club

    EIN 611728052 · Headquarters: MADAWASKA, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Sandy River Land Trust Inc

    EIN 223067108 · Headquarters: Madrid Twp, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Sandy River Players

    EIN 222548094 · Headquarters: Farmington, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. Sandy River Riders

    EIN 010543341 · Headquarters: Strong, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Sandy Shore Swimming Club

    EIN 510142375 · Headquarters: Paris, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  63. Sanford Administrators Association

    EIN 263378375 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Sanford Custodians Association

    EIN 273005506 · Headquarters: springvale, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Sanford Library Association Inc

    EIN 010216657 · Headquarters: SANFORD, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Sanford Maine Elks Lodge No 1470

    EIN 237397470 · Headquarters: SANFORD, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Sanford Masonic Temple Assn Inc

    EIN 016018957 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Sanford Snack Program K Thru 4

    EIN 331319893 · Headquarters: Sanford, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Sanford Soaring Club Corp

    EIN 475621154 · Headquarters: Kennebunk, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  70. Sanford-springvale Fish & Game Protectiv E Assoc

    EIN 016018745 · Headquarters: SANFORD, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Sanford-springvale Rotary Club

    EIN 016019399 · Headquarters: SANFORD, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sanford-Springvale YMCA

    EIN 010211814 · Headquarters: Sanford, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Sanfordspringvale Chamber of Commerce

    EIN 010226245 · Headquarters: SPRINGVALE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Sarah Frye Home

    EIN 010219829 · Headquarters: Auburn, ME, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  75. Sargentville Chapel Circle

    EIN 465408000 · Headquarters: Sargentville, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Sargentville Library Association

    EIN 010340853 · Headquarters: Sedgwick, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Save Casco Bay Inc

    EIN 201093124 · Headquarters: Chebeague Island, ME, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  78. Save the Soul of Portland

    EIN 474141738 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  79. Sayles & Maddocks Family Foundation

    EIN 066395098 · Headquarters: West Boothbay Harbor, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Sca Inc

    EIN 010539112 · Headquarters: Palermo, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Scarborough Community Partnership

    EIN 271856373 · Headquarters: Scarborough, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Scarborough Education Association

    EIN 900629461 · Headquarters: Topsham, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Scarborough Girls Lacrosse Boosters Association

    EIN 464627890 · Headquarters: Scarborough, ME, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  84. Scarborough Historical Society

    EIN 016013181 · Headquarters: Scarborough, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Scarborough Little League

    EIN 510256238 · Headquarters: Scarborough, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Scarborough Public Library

    EIN 016010284 · Headquarters: SCARBOROUGH, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Schiavi Family Foundation

    EIN 010463183 · Headquarters: Portland, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. Schoodic Atv Club

    EIN 204978955 · Headquarters: winter harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  89. Schoodic Peninsula Chamber of Comme Rce

    EIN 260116211 · Headquarters: Winter Harbor, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. School Administrative District No 53

    EIN 010275537 · Headquarters: Pittsfield, ME, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. School of Hope

    EIN 271964520 · Headquarters: Portland, ME, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  92. Scott Brewster Music Fund

    EIN 812697023 · Headquarters: NEW SWEDEN, ME, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  93. Scottish Rite Bodies AASR Valley of Portland

    EIN 010144835 · Headquarters: Bowdoinham, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Seacoast Education Association

    EIN 270209717 · Headquarters: Washington, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Seacoast Songwriters Association Inc

    EIN 270386936 · Headquarters: Wells, ME, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  96. Seacoast Wind Ensemble Inc

    EIN 020418669 · Headquarters: KITTERY, ME, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Seal Cove Auto Museum

    EIN 010277592 · Headquarters: SEAL COVE, ME, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  98. Seamus Carroll Duffy Memorial Foundation

    EIN 020602891 · Headquarters: Perry, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. Sebago East Shore Educators Association

    EIN 270532404 · Headquarters: STANDISH, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Sebago Education Association

    EIN 831825715 · Headquarters: Sebago, ME, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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