Nonprofits in Massachusetts

Nonprofits in Massachusetts. Browse 52,168 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 237149869 · Headquarters: South Yarmouth, 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 237152956 · Headquarters: Taunton, 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 237152972 · Headquarters: GEORGETOWN, 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 237152973 · Headquarters: West Hatfield, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

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

    EIN 237152995 · Headquarters: Framingham, MA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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

    EIN 237152996 · Headquarters: Woburn, MA, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  12. 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

  13. 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

  14. 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

  15. 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

  16. 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

  17. 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

  18. 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

  19. 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

  20. 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

  21. 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

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

    EIN 237167763 · Headquarters: Weymouth, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. 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

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

    EIN 237167766 · Headquarters: North Easton, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  25. 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

  26. 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

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

    EIN 237170360 · Headquarters: Melrose, MA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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

    EIN 237170364 · Headquarters: MELROSE, MA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  29. 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

  30. 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

  31. 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

  32. 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

  33. 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

  34. 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

  35. 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

  36. 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

  37. 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

  38. 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

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

    EIN 237170394 · Headquarters: Haverhill, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  40. 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

  41. 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

  42. 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

  43. 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

  44. 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

  45. 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

  46. 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

  47. 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

  48. 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

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

    EIN 237170424 · Headquarters: Hopkinton, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 237170426 · Headquarters: Milton, MA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  51. 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

  52. 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

  53. 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

  54. 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

  55. 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

  56. 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

  57. 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

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

    EIN 237170802 · Headquarters: Cambridge, MA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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

    EIN 237170805 · Headquarters: Chicopee, MA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  60. 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

  61. 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

  62. 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

  63. 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

  64. 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

  65. 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

  66. 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

  67. 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

  68. 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

  69. 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

  70. 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

  71. 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

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

    EIN 237195416 · Headquarters: NORTH ADAMS, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. 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

  74. 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

  75. 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

  76. 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

  77. 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

  78. 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

  79. 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

  80. 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

  81. 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

  82. 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

  83. 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

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

    EIN 274537363 · Headquarters: Medford, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · 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 420666410 · Headquarters: Malden, MA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  88. 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

  89. 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

  90. 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

  91. 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

  92. 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

  93. 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

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

    EIN 651216798 · Headquarters: Auburn, MA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

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

    EIN 770663862 · Headquarters: Attleboro, MA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  96. 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

  97. 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

  98. 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

  99. 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

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

    EIN 900545532 · Headquarters: WILBRAHAM, MA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

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