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 041032992 · Headquarters: East Bridgewater, MA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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

    EIN 041033014 · Headquarters: Amesbury, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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

    EIN 041067805 · Headquarters: Attleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 041200778 · Headquarters: CONCORD, 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 041276745 · Headquarters: North Adams, MA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

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

    EIN 041362395 · Headquarters: Fairhaven, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 041400525 · Headquarters: Greenfield, 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 041428370 · Headquarters: Haydenville, MA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

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

    EIN 041448820 · Headquarters: Holyoke, 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 041528535 · Headquarters: Lawrence, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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

    EIN 041589560 · Headquarters: NEWBURYPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

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

    EIN 041655695 · Headquarters: Needham, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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

    EIN 041731360 · Headquarters: PITTSFIELD, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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

    EIN 041890565 · Headquarters: Acushnet, MA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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

    EIN 041913316 · Headquarters: Clinton, 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 041947430 · Headquarters: amesbury, MA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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

    EIN 042001146 · Headquarters: Fall River, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 042008684 · Headquarters: North Attleboro, 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 042020479 · Headquarters: Scituate, 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 042023180 · Headquarters: Lowell, 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 042089245 · Headquarters: SALEM, MA, US · Mutual & Membership Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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

    EIN 042147966 · Headquarters: WEYMOUTH, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

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

    EIN 042191546 · Headquarters: Fitchburg, 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 042195516 · Headquarters: Andover, 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 042218953 · Headquarters: WORCESTER, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990

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

    EIN 042267626 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 042280063 · Headquarters: North Reading, 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 042301056 · Headquarters: Marblehead, 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 042375454 · Headquarters: Braintree, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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

    EIN 042509924 · Headquarters: Hatfield, 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 042514998 · Headquarters: Leominster, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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

    EIN 042522111 · Headquarters: West Brookfield, 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 042540493 · Headquarters: Turners Falls, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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

    EIN 042550372 · Headquarters: Littleton, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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

    EIN 042590167 · Headquarters: monson, 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 042593328 · Headquarters: Hopkinton, 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 042600445 · Headquarters: Douglas, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 042606952 · Headquarters: Watertown, MA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

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

    EIN 042653933 · Headquarters: Westborough, 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 042664676 · Headquarters: Marshfield, 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 042690223 · Headquarters: NORTH ANDOVER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 042705639 · Headquarters: Winchendon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 042725086 · Headquarters: Westfield, 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 042752496 · Headquarters: east bridgewater, 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 042776139 · Headquarters: Fitchburg, 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 043041637 · Headquarters: North Graftonr, MA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

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

    EIN 043079194 · Headquarters: Marion, 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 043107994 · Headquarters: New Bedford, MA, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

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

    EIN 043159715 · Headquarters: Bourne, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 043164522 · Headquarters: Harwich, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

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

    EIN 043172520 · Headquarters: Canton, MA, US · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-N

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

    EIN 043172534 · Headquarters: Russell, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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

    EIN 043186161 · Headquarters: Charlton, 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 043237971 · Headquarters: Centerville, 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 043316985 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. 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

  57. 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

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

    EIN 046038349 · Headquarters: Needham, MA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  59. 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

  60. 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

  61. 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

  62. 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

  63. 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

  64. 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

  65. 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

  66. 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

  67. 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

  68. 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

  69. 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

  70. 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

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

    EIN 046114791 · Headquarters: East Longmeadow, MA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  72. 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

  73. 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

  74. 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

  75. 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

  76. 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

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

    EIN 046699955 · Headquarters: Melrose, MA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  78. 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

  79. 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

  80. 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

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

    EIN 222595585 · Headquarters: Dalton, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  82. 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

  83. 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

  84. 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

  85. 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

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

    EIN 237099741 · Headquarters: Douglas, MA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  87. 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

  88. 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

  89. 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

  90. 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

  91. 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

  92. 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

  93. 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

  94. 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

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

    EIN 237148321 · Headquarters: Middleboro, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. 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

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

    EIN 237149843 · Headquarters: Braintree, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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

    EIN 237149862 · Headquarters: SOUTH YARMOUTH, MA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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

    EIN 237149867 · Headquarters: Woburn, MA, US · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  100. 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

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