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. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 222982462 · Headquarters: Oxford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 222995061 · Headquarters: Middleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237011065 · Headquarters: West Stockbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  4. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237142996 · Headquarters: East Bridgewater, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237146537 · Headquarters: Walpole, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237146539 · Headquarters: Bridgewater, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237146542 · Headquarters: Somerset, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237146543 · Headquarters: Southbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237146548 · Headquarters: Williamstown, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237148316 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237148317 · Headquarters: North Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237148322 · Headquarters: NEWTONVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237149868 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237149869 · Headquarters: South Yarmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152956 · Headquarters: Taunton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152972 · Headquarters: GEORGETOWN, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152973 · Headquarters: West Hatfield, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152975 · Headquarters: Peabody, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152980 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152985 · Headquarters: Foxborough, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152986 · Headquarters: Westborough, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152988 · Headquarters: Gardner, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152997 · Headquarters: West Hatfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237152999 · Headquarters: WAREHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  25. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237153050 · Headquarters: Newtonville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237153160 · Headquarters: Harwich, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237154011 · Headquarters: Littleton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237156975 · Headquarters: HAVERHILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237158869 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237165992 · Headquarters: Wakefield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237165995 · Headquarters: Needham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237167762 · Headquarters: Fitchburg, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237167764 · Headquarters: Lee, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  34. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237167769 · Headquarters: Holyoke, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237167773 · Headquarters: Harwich, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170365 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170368 · Headquarters: Billerica, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170369 · Headquarters: Canton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170370 · Headquarters: Hanover, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170373 · Headquarters: Medway, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170374 · Headquarters: Auburn, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170375 · Headquarters: South Hadley, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170378 · Headquarters: Greenfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170386 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170391 · Headquarters: Turners Falls, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170398 · Headquarters: Dalton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170399 · Headquarters: Monson, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  48. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170404 · Headquarters: West Stockbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170407 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170409 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170416 · Headquarters: Adams, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170417 · Headquarters: Marshfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170418 · Headquarters: Norwood, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170419 · Headquarters: WARE, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170428 · Headquarters: Shrewsbury, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170433 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170434 · Headquarters: North Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170439 · Headquarters: Monson, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170443 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  60. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170790 · Headquarters: Scituate, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170796 · Headquarters: Millbury, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170807 · Headquarters: Barre, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170808 · Headquarters: North Grafton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170809 · Headquarters: Winchendon, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170815 · Headquarters: BROCKTON, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  66. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170816 · Headquarters: Leominster, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  67. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170817 · Headquarters: Welfleet, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  68. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170820 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170821 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170830 · Headquarters: Westport, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237170835 · Headquarters: PLYMPTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237171805 · Headquarters: Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237193419 · Headquarters: New Bedford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237237549 · Headquarters: HINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237290770 · Headquarters: WEST BOYLSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578638 · Headquarters: South Welfleet, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578642 · Headquarters: Hopkinton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578697 · Headquarters: D, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578705 · Headquarters: Sandwich, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578709 · Headquarters: REHOBOTH, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578777 · Headquarters: Peabody, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578786 · Headquarters: Cohasset, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578871 · Headquarters: Hanover, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 237578872 · Headquarters: harwich, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 320335693 · Headquarters: Centerville, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  86. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 320718452 · Headquarters: Fairhaven, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 461274579 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 461457325 · Headquarters: Greenfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 461588890 · Headquarters: Plymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  90. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 464780989 · Headquarters: Clinton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 465237661 · Headquarters: Williamstown, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 571167802 · Headquarters: FOXBORO, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 800567207 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  94. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 811123423 · Headquarters: MILFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 900473135 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Master Wardens & Members of the Grand Lodge of Masons in Mass

    EIN 900525968 · Headquarters: Melrose, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  97. Master Wardens & Members of the Grand Lodge of Masons in Mass Ipswich Masonic

    EIN 042631028 · Headquarters: IPSWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  98. Master Wardens & Members of the Grand Lodge of Masons in Mass Master Wardens & Members of the Grand Lodge of Mas

    EIN 237170395 · Headquarters: East Bridgewater, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. MASTER WARDENS & MEMBERS OF THE GRAND LODGE OF MASONS IN MASS New Bedford Masonic Temple Association Inc

    EIN 042242971 · Headquarters: New Bedford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Master Wardens & Members of the Grand Lodge of Masons in Massachusetts

    EIN 020727587 · Headquarters: ARLINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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