Mutual & Membership Benefit nonprofits

Mutual & Membership Benefit nonprofits. Browse 38,861 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. Masonic Temple Corporation

    EIN 350243545 · Headquarters: CONNERSVILLE, IN, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Masonic Temple Corporation

    EIN 750113062 · Headquarters: Dallas, TX, USA · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990

  3. Masonic Temple Corporation of Stonington

    EIN 066088890 · Headquarters: Mystic, CT, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  4. Masonic Temple Foundation of Muskogee Oklahoma

    EIN 736096563 · Headquarters: Muskogee, OK, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  5. Masonic Temple Inc

    EIN 416044907 · Headquarters: Marshall, MN, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  6. Masonic Temple of Americus Inc

    EIN 586043261 · Headquarters: Americus, GA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  7. Masonic Temple of Winston-salem Inc

    EIN 560632180 · Headquarters: WINSTON SALEM, NC, USA · Mutual & Membership Benefit · Latest available filing year: 2017 · Primary form: IRS Form 990

  8. Masonic War Veterans of Ny Post 6

    EIN 136221932 · Headquarters: Staten Island, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Masonic Youth Association of Florida Inc

    EIN 596209969 · Headquarters: Jacksonville, FL, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  10. Masonichip International Inc

    EIN 202523811 · Headquarters: Newington, CT, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  11. Masonry & Concrete Contractors of the Hudson Valley Inc

    EIN 134149071 · Headquarters: TARRYTOWN, NY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Masonry Institute of Iowa Promotion Trust

    EIN 426308625 · Headquarters: West Des Moines, IA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  13. Masonry Veneer Manufacturers Association Inc

    EIN 113773373 · Headquarters: WASHINGTON, DC, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990

  14. Masons Ofthermopolis

    EIN 612117011 · Headquarters: Thermopolis, WY, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Massac Law Enforcement Lodge 629

    EIN 853553924 · Headquarters: Metropolis, IL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Massachusetts Academy of Audiology Inc

    EIN 205660994 · Headquarters: Boston, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Massachusetts and Rhode Island Medical Group Management Association

    EIN 991102077 · Headquarters: ENGLEWOOD, CO, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Massachusetts Black Lawyers Association

    EIN 043021895 · Headquarters: Boston, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Massachusetts Board of Bar Overseers Health Care Reimbursement Account Plan

    EIN 900961763 · Headquarters: BOSTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Massachusetts Cemetery Association Inc

    EIN 352336173 · Headquarters: Sharon, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Massachusetts Institute of Technology Welfare Benefit Plans Trust

    EIN 043177556 · Headquarters: Cambridge, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Massachusetts Laborers' Legal Services Fund

    EIN 046357603 · Headquarters: BURLINGTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Massachusetts Leather Insurance Fund

    EIN 046062372 · Headquarters: Peabody, MA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  24. Massachusetts Life & Health Insurance Guaranty Association

    EIN 222994116 · Headquarters: SPRINGFIELD, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Massachusetts State Grange Patrons of Husbandry Inc

    EIN 237518358 · Headquarters: Upton, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Massachusetts State Health Care Professionals' Dental Fund

    EIN 042946668 · Headquarters: WHITE PLAINS, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Massachusetts Surgeons' Lodge Frat Order of Police Inc

    EIN 205756324 · Headquarters: NEWTON CENTER, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Massanutten Cemetery Company

    EIN 861153369 · Headquarters: Woodstock, VA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Massasoit-narragansett Lodge Af&am

    EIN 237170396 · Headquarters: FALL RIVER, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Massena Federation of Teachers Benefit Fund

    EIN 510431731 · Headquarters: MASSENA, NY, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  31. Masspace Inc

    EIN 823298161 · Headquarters: BOSTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  32. Master at Arms Ball Committee

    EIN 823255095 · Headquarters: Silverdale, WA, US · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  33. Master Insulator's Association of Akron Oh Inc

    EIN 461488309 · Headquarters: KENT, OH, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Master Mason Association of the 13Th Masonic District Inc

    EIN 853359628 · Headquarters: Apopka, FL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Master Mason Association of the 21St Masonic District

    EIN 813927947 · Headquarters: Highlands City, FL, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 046057714 · Headquarters: SALEM, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Master Trust Agreement for Welfare Benefits

    EIN 043480219 · Headquarters: SOMERVILLE, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2023 · Primary form: IRS Form 990

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

    EIN 043318908 · Headquarters: Harwich, MA, US · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  39. Master Wardens

    EIN 432001249 · Headquarters: MIDDLEBORO, MA, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

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

    EIN 041692795 · Headquarters: Orange, MA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  41. Master Wardens & Members of Beth Horon

    EIN 041032902 · Headquarters: DEDHAM, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990

  42. Master Wardens & Members of Masons Abington Masonic Association

    EIN 041012393 · Headquarters: ABINGTON, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990

  43. Master Wardens & Members of Masons in Mass

    EIN 041203947 · Headquarters: Dedham, MA, US · Mutual & Membership Benefit · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  44. Master Wardens & Members of Masons in Mass

    EIN 223183114 · Headquarters: Swampscott, MA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

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

    EIN 041032788 · Headquarters: Attleboro, MA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  46. 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

  47. 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

  48. 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

  49. 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

  50. 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

  51. 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

  52. 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

  53. 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

  54. 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

  55. 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

  56. 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

  57. 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

  58. 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

  59. 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

  60. 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

  61. 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

  62. 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

  63. 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

  64. 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

  65. 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

  66. 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

  67. 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

  68. 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

  69. 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

  70. 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

  71. 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

  72. 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

  73. 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

  74. 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

  75. 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

  76. 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

  77. 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

  78. 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

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

    EIN 237578681 · Headquarters: FPO, AE, US · Mutual & Membership Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  80. 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

  81. 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

  82. 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

  83. 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

  84. 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

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

    EIN 992606841 · Headquarters: Bourne, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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

    EIN 993278768 · Headquarters: Cotuit, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 237155892 · Headquarters: New Bedford, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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

    EIN 042108356 · Headquarters: Franklin, MA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

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

    EIN 041583964 · Headquarters: BUZZARDS BAY, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Master Wardens & Members of the Grand Lodge of Masons of Massachus

    EIN 274703435 · Headquarters: Brockton, MA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

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

    EIN 046063360 · Headquarters: Southbridge, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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

    EIN 237161264 · Headquarters: Reading, MA, US · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Master Wardens & Members of the Masonic Secretaries Assoc

    EIN 042859052 · Headquarters: WELLESLEY, MA, US · Mutual & Membership Benefit · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  94. Master Wardens and Members Of

    EIN 237167772 · Headquarters: Boston, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Master Wardens and Members of Mount Hermon Lodge AF& AM

    EIN 237170432 · Headquarters: Winchester, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  96. Master Wardens and Members of the Freemasons Hall Association

    EIN 041344825 · Headquarters: HAVERHILL, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

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

    EIN 237170793 · Headquarters: Brookline, MA, US · Mutual & Membership Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  98. Master Warens & Memebers of the Grand Lodge of Masons of Mass

    EIN 800079931 · Headquarters: South Hadley, MA, US · Mutual & Membership Benefit · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  99. Master Wordens & Mambers of the Grand Lodge of Masons in Mass

    EIN 237170423 · Headquarters: Russell, MA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  100. Masters and Wardens Assn of Sw Florida

    EIN 452842348 · Headquarters: Fort Myers, FL, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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