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. International Association of Fire Fighters

    EIN 237063569 · Headquarters: North Adams, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  2. International Association of Fire Fighters

    EIN 237063573 · Headquarters: Westport, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. International Association of Fire Fighters

    EIN 237082499 · Headquarters: Ludlow, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. International Association of Fire Fighters

    EIN 237082505 · Headquarters: EASTHAMPTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. International Association of Fire Fighters

    EIN 237082509 · Headquarters: Longmeadow, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  6. International Association of Fire Fighters

    EIN 237082517 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. International Association of Fire Fighters

    EIN 237171193 · Headquarters: MARBLEHEAD, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. International Association of Fire Fighters

    EIN 237180169 · Headquarters: Bedford, MA, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  9. International Association of Fire Fighters

    EIN 237265683 · Headquarters: hopedale, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  10. International Association of Fire Fighters

    EIN 237277947 · Headquarters: Abington, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. International Association of Fire Fighters

    EIN 237412979 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. International Association of Fire Fighters

    EIN 237447828 · Headquarters: Whitman, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. International Association of Fire Fighters

    EIN 237453945 · Headquarters: Centerville, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. International Association of Fire Fighters

    EIN 260967929 · Headquarters: Medway, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. International Association of Fire Fighters

    EIN 320058185 · Headquarters: HOLDEN, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. International Association of Fire Fighters

    EIN 454213108 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. International Association of Fire Fighters

    EIN 460471624 · Headquarters: Granby, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  18. International Association of Fire Fighters

    EIN 460811761 · Headquarters: Westminster, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  19. International Association of Fire Fighters

    EIN 465649230 · Headquarters: STERLING, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. International Association of Fire Fighters

    EIN 510190324 · Headquarters: Turners Falls, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. International Association of Fire Fighters

    EIN 510191668 · Headquarters: Athol, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. International Association of Fire Fighters

    EIN 510209343 · Headquarters: Leominster, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. International Association of Fire Fighters

    EIN 510226900 · Headquarters: Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. International Association of Fire Fighters

    EIN 510227030 · Headquarters: Southbridge, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. International Association of Fire Fighters

    EIN 510227071 · Headquarters: Southbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. International Association of Fire Fighters

    EIN 510236705 · Headquarters: SOMERSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  27. International Association of Fire Fighters

    EIN 510251024 · Headquarters: Chatham, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  28. International Association of Fire Fighters

    EIN 510509926 · Headquarters: Lenox, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. International Association of Fire Fighters

    EIN 521329820 · Headquarters: Wareham, MA, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. International Association of Fire Fighters

    EIN 651238004 · Headquarters: North Dighton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. International Association of Fire Fighters

    EIN 811816774 · Headquarters: Belchertown, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. International Association of Fire Fighters

    EIN 812292981 · Headquarters: Paxton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. International Association of Fire Fighters

    EIN 814825854 · Headquarters: Upton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. International Association of Fire Fighters

    EIN 821248538 · Headquarters: West Barnstable, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. International Association of Fire Fighters

    EIN 853209651 · Headquarters: Baldwinville, MA, US · Employment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. International Association of Fire Fighters

    EIN 862005837 · Headquarters: Barre, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  37. International Association of Fire Fighters

    EIN 871438561 · Headquarters: South Hamilton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. International Association of Fire Fighters

    EIN 900907952 · Headquarters: SOUTHWICK, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. International Association of Fire Fighters

    EIN 911866505 · Headquarters: Hopkinton, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. International Association of Fire Fighters

    EIN 912003347 · Headquarters: Wareham, MA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. International Association of Fire Fighters

    EIN 912004504 · Headquarters: WHITINSVILLE, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  42. International Association of Fire Fighters

    EIN 912004965 · Headquarters: Northborough, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. International Association of Fire Fighters

    EIN 912004980 · Headquarters: Lincoln, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. International Association of Fire Fighters

    EIN 932727525 · Headquarters: E LONGMEADOW, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. International Association of Fire Fighters

    EIN 933089385 · Headquarters: Townsend, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. International Association of Fire Fighters 2337 Kingston

    EIN 237453944 · Headquarters: KINGSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. International Association of Fire Fighters 2568 Marshfield 2568 Iaff

    EIN 510209345 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. International Association of Fire Fighters L1768 Plymouth

    EIN 046317959 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  49. International Association of Fire Fighters L2116 Stoneham

    EIN 237277948 · Headquarters: Stoneham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. International Association of Fire Fighters Lo866 Waltham

    EIN 046143965 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  51. International Association of Fire Fighters Local 1707 - Natick

    EIN 042802081 · Headquarters: NATICK, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  52. International Association of Fire Fighters Local 2700 Norwell

    EIN 510251022 · Headquarters: NORWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. International Association of Fire Fighters Local 4478

    EIN 203742518 · Headquarters: Medfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  54. International Association of Fire Fighters Local 853 Lowell

    EIN 046115246 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  55. International Association of Fire Fire Fighters

    EIN 046112061 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. International Association of Fire L1580 Canton

    EIN 046143977 · Headquarters: CANTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. International Association of Fire L2038 Danvers

    EIN 237108140 · Headquarters: DANVERS, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. International Association of Fire L3653 Middleboro

    EIN 043353522 · Headquarters: MIDDLEBORO, MA, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. International Association of Firefighter 920 Iaff C/o Brian Connors

    EIN 046143974 · Headquarters: BRAINTREE, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2018 · Primary form: IRS Form 990

  60. International Association of Firefighter Local #2675 Orleans

    EIN 510236704 · Headquarters: ORLEANS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. International Association of Firefighter Local 2122

    EIN 237277949 · Headquarters: SOUTH YARMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. International Association of Firefighter Local 2583

    EIN 042634535 · Headquarters: WEST DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  63. International Association of Firefighter Local 926

    EIN 046143957 · Headquarters: REVERE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. International Association of Firefighters

    EIN 042643242 · Headquarters: Beverly, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. International Association of Firefighters

    EIN 462560900 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. International Association of Firefighters

    EIN 510209604 · Headquarters: Mashpee, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. International Association of Firefighters - Local 1491

    EIN 046143984 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  68. International Association of Firefighters 1032 Medford

    EIN 046143947 · Headquarters: MEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. International Association of Firefighters 1314 Fall River

    EIN 046069718 · Headquarters: FALL RIVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. International Association of Firefighters 1347 IAFF

    EIN 046143966 · Headquarters: Watertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. International Association of Firefighters 1841 Iaff

    EIN 237080023 · Headquarters: GARDNER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  72. International Association of Firefighters L2804 Cohasset

    EIN 912005236 · Headquarters: COHASSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. International Association of Firefighters Local #648

    EIN 046114764 · Headquarters: Springfield, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. International Association of Firefighters Local 1647 Tewksbury

    EIN 510227073 · Headquarters: TEWKSBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. International Association of Firefighters Local 1657

    EIN 300651153 · Headquarters: HULL, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. International Association of Firefighters Local 1783

    EIN 237062848 · Headquarters: Amesbury, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  77. International Association of Firefighters Local 1795

    EIN 237023960 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. International Association of Firefighters Local 1978

    EIN 510227074 · Headquarters: WAYLAND, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. International Association of Firefighters Local 2196 Sandwich

    EIN 042616386 · Headquarters: SANDWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. International Association of Firefighters Local 2398 Hingham Ma

    EIN 237453947 · Headquarters: HINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  81. International Association of Firefighters Local 2586

    EIN 042635751 · Headquarters: DRACUT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  82. International Association of Firefighters Local 718 Boston

    EIN 046112075 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. International Association of Firefighters Local 848

    EIN 510236701 · Headquarters: ATTLEBORO, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. International Association of Firefighters Local 863

    EIN 042721979 · Headquarters: NEWTONVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. International Association of Heat & Fros Insulators and Asbestos Workers Lo 6

    EIN 041472045 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. International Association of Hidradenitis Suppurativa Network

    EIN 461181948 · Headquarters: Mattapan, MA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. International Association of Hospitality Accountants

    EIN 742581951 · Headquarters: Mansfield, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. International Association of Jewish Genealogical Societies Inc

    EIN 161645318 · Headquarters: Belchertown, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. International Association of Lion Clubs

    EIN 046068440 · Headquarters: Ware, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. International Association of Lions

    EIN 046137766 · Headquarters: Southbridge, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. International Association of Lions

    EIN 046137779 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. International Association of Lions

    EIN 046296724 · Headquarters: WEST SPRINGFIELD, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990

  93. International Association of Lions 98119 Lunenburg Turkey Hill Family

    EIN 274535188 · Headquarters: LUNENBURG, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. International Association of Lions Club

    EIN 043115995 · Headquarters: Eastham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. International Association of Lions Club

    EIN 043154139 · Headquarters: Bridgewater, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. International Association of Lions Club

    EIN 043166976 · Headquarters: Danvers, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. International Association of Lions Club

    EIN 043415968 · Headquarters: Sandwich, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  98. International Association of Lions Club

    EIN 046047169 · Headquarters: Greenfield, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  99. International Association of Lions Club

    EIN 046064710 · Headquarters: Southwick, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. International Association of Lions Club

    EIN 046115941 · Headquarters: Tewksbury, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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