Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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 043316985 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 046032772 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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

    EIN 046033270 · Headquarters: Wakefield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 046041126 · Headquarters: AYER, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 046046657 · Headquarters: Oxford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 046049779 · Headquarters: Uxbridge, 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 046053065 · Headquarters: Lawrence, 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 046055278 · Headquarters: Great Barrington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 046057488 · Headquarters: Taunton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 046058575 · Headquarters: Ware, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

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

    EIN 046061168 · Headquarters: Milford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 046068617 · Headquarters: Warren, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 046069046 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 046109929 · Headquarters: Sandwich, 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 046112077 · Headquarters: Barre, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 046116608 · Headquarters: West Brookfield, 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 046134278 · Headquarters: ATHOL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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

    EIN 046171439 · Headquarters: Marblehead, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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

    EIN 046187053 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 046278351 · Headquarters: WOBURN, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 046953102 · Headquarters: Duxbury, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 222509142 · Headquarters: Stoughton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 222511497 · Headquarters: Needham, 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 222859924 · Headquarters: Palmer, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  25. 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

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

    EIN 222985529 · Headquarters: Derry, NH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. 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

  28. 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

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. 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

  42. 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

  43. 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

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 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

  53. 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

  54. 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

  55. 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

  56. 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

  57. 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

  58. 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

  59. 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

  60. 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

  61. 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

  62. 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

  63. 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

  64. 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

  65. 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

  66. 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

  67. 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

  68. 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

  69. 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

  70. 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

  71. 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

  72. 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

  73. 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

  74. 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

  75. 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

  76. 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

  77. 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

  78. 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

  79. 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

  80. 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

  81. 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

  82. 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

  83. 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

  84. 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

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

    EIN 237170789 · Headquarters: east kingston, NH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  86. 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

  87. 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

  88. 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

  89. 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

  90. 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

  91. 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

  92. 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

  93. 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

  94. 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

  95. 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

  96. 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

  97. 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

  98. 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

  99. 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

  100. 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

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