Unknown & Unclassified nonprofits in Massachusetts

Unknown & Unclassified nonprofits in Massachusetts. Browse 12,299 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. Amesbury Chamber of Commerce & Industrial Foundation Inc

    EIN 043338161 · Headquarters: AMESBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Amesbury Educational Foundation Inc

    EIN 042768268 · Headquarters: Amesbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Amesbury Youth Hockey League Inc

    EIN 043441028 · Headquarters: Amesbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. AMF

    EIN 271496878 · Headquarters: Fiskdale, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  5. Amherst Academy Trustees

    EIN 046057216 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  6. Amherst Area Chamber of Commerce

    EIN 042388764 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. Amherst Cemetery Association

    EIN 041031640 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. Amherst Golf Club Inc

    EIN 041031700 · Headquarters: Amherst, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Amherst Historical Society

    EIN 046037710 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Amherst Media

    EIN 510204997 · Headquarters: Amherst, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Amherst Police Relief Association Inc

    EIN 222806355 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Amherst Town Committee for International Students Inc

    EIN 237353821 · Headquarters: Amherst, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Amherst Writers & Artists Press Inc

    EIN 510303823 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Amity Mosaic Lodge Af & Am

    EIN 046055764 · Headquarters: DANVERS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Amulet Circle Inc

    EIN 412361661 · Headquarters: Osterville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Amvets

    EIN 041609601 · Headquarters: Millis, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Amvets

    EIN 043157841 · Headquarters: CHARLTON, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Amvets

    EIN 043389089 · Headquarters: Marshfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Amvets

    EIN 043429362 · Headquarters: North Adams, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Amvets

    EIN 043496422 · Headquarters: Three Rivers, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Amvets

    EIN 046112062 · Headquarters: RANDOLPH, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Amvets

    EIN 046112312 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  23. Amvets

    EIN 046112364 · Headquarters: REVERE, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Amvets

    EIN 046140394 · Headquarters: DORCHESTER, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  25. Amvets

    EIN 141926955 · Headquarters: Avon, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Amvets

    EIN 222533852 · Headquarters: Leominster, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Amvets

    EIN 222587501 · Headquarters: Hudson, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Amvets

    EIN 237054462 · Headquarters: Natick, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Amvets

    EIN 432048651 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Amvets

    EIN 454410162 · Headquarters: weswtminster, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Amvets

    EIN 462397830 · Headquarters: Norfolk, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Amvets

    EIN 465324103 · Headquarters: Westminster, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Amvets

    EIN 465398173 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Amvets

    EIN 473575419 · Headquarters: AVON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Amvets

    EIN 474983960 · Headquarters: Fall River, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Amvets

    EIN 510510175 · Headquarters: Chicopee, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Amvets

    EIN 810693436 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Amvets

    EIN 814511478 · Headquarters: Fiskdale, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  39. Amvets Chicopee Post 12 Bldg Assoc Inc

    EIN 042316510 · Headquarters: CHICOPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  40. Amvets Inc Post 74

    EIN 042060114 · Headquarters: THREE RIVERS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Amvets Post #60

    EIN 222627938 · Headquarters: Fall River, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Amvets Post 32 Quarters Corp

    EIN 046125463 · Headquarters: GLOUCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Amvets Post 51

    EIN 452044196 · Headquarters: Randolph, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Amyn Champsi Memorial Educational Endowment Fund

    EIN 262725865 · Headquarters: Bradford, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  45. Amyotrophic Lateral Sclerosis Assn Massachusetts Chapter Inc

    EIN 043085718 · Headquarters: WESTBOROUGH, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  46. Anawan Club

    EIN 050243345 · Headquarters: Rehoboth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Ancient Accepted Scottish Rite of F Masonry Nmj % Lodge of Perfection

    EIN 041032871 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Ancient Accepted Scottish Rite of F Masonry Nmj % Princes of Jerusalem

    EIN 041744075 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Ancient Accepted Scottish Rite of F Masonry Nmj % Rose Croix

    EIN 041787045 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 041032806 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 043097261 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 046035945 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  53. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 046035947 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  54. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 046041248 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  55. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 046050145 · Headquarters: Beverly, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 046050723 · Headquarters: Beverly, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 046050724 · Headquarters: Beverly, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 046054065 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 046071137 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  60. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237366160 · Headquarters: Lakeville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237366161 · Headquarters: Lakeville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237366162 · Headquarters: Lakeville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237366163 · Headquarters: Lakeville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237615634 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237615640 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237615641 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Ancient Accepted Scottish Rite of Free Masonry Nmj

    EIN 237615642 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Ancient Accepted Scottish Rite of Free Masonry Nmj % Consistory

    EIN 041590115 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Ancient Accepted Scottish Rite of Freemasonry Nmj

    EIN 043117764 · Headquarters: WESTFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Ancient Accepted Scottish Rite of Freemasonry Nmj Valley of Worcester

    EIN 041787049 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  71. Ancient Egypt Research Associates Inc

    EIN 363325468 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Ancient Mystical Order of Rosae Crucis

    EIN 942754902 · Headquarters: ALLSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. ANCIENT ORDER OF HIBERNIANS -Division 1 Newburyport

    EIN 043288353 · Headquarters: NEWBURYPORT, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  74. Ancient Order of Hibernians Hibernian Club of Watertown Inc

    EIN 042907584 · Headquarters: Watertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Ancient Order of Hibernians in Amer Incorporated 19 Es 18

    EIN 472684266 · Headquarters: SALEM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Ancient Order of Hibernians in America

    EIN 043282984 · Headquarters: Lawrence, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Ancient Order of Hibernians in America

    EIN 237633849 · Headquarters: lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Ancient Order of Hibernians in America

    EIN 812413310 · Headquarters: PLYMOUTH, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Ancient Order of Hibernians in America

    EIN 821551475 · Headquarters: Holyoke, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  80. Ancient Order of Hibernians in America

    EIN 823912159 · Headquarters: Holyoke, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Ancient Order of Hibernians in America Inc

    EIN 042077551 · Headquarters: MALDEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  82. Andenet Ethiopian Support Association Inc

    EIN 921504375 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. Andover 1078 Inc

    EIN 046360797 · Headquarters: Andover, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Andover Band Association Inc

    EIN 042767580 · Headquarters: Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Andover Education Association

    EIN 237274428 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Andover Fireman's Relief Association

    EIN 046044585 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  87. Andover Historical Society

    EIN 042312091 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Andover Hockey Association Inc

    EIN 237137015 · Headquarters: Andover, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Andover Home for Aged People

    EIN 046050619 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  90. Andover Parent to Parent

    EIN 884293169 · Headquarters: ANDOVER, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. Andover Police Relief Association Inc

    EIN 046340282 · Headquarters: Andover, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Andover Sportsmen's Club Inc

    EIN 046087160 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Andover Tennis Club Inc

    EIN 042674815 · Headquarters: Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Andrew and Katherine Saltoun Foundation Inc

    EIN 581473538 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  95. Andrew Family Charitable Foundation Inc C/o Darrell Canby

    EIN 043457474 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  96. Andrew J Scarlett Scholarship Fund C/o James M Morgan

    EIN 026012571 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. Andrew Way Homeowners Association

    EIN 873348696 · Headquarters: Truro, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Angel Flight Vermont Inc

    EIN 010889060 · Headquarters: NORTH ANDOVER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Angel Youth Foundation Inc

    EIN 852393956 · Headquarters: Boxborough, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  100. Angela M Zampogna Scholarship Fund

    EIN 223193009 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

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