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. United States Bowling Congress Inc

    EIN 743177344 · Headquarters: CLARKSBURG, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. United States Bowling Congress Inc

    EIN 900276526 · Headquarters: North Attleboro, MA, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  3. United States Bowling Congress Inc

    EIN 900276676 · Headquarters: Raynham, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  4. United States Bunting Cricket Club & Athletic Assoc Inc

    EIN 042385632 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  5. United States Coast Guard

    EIN 465217604 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  6. United States Coast Guard Chief Petty Officers Association

    EIN 046302210 · Headquarters: Woods Hole, MA, US · Public & Societal Benefit · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  7. United States Collegiate Ski And Snowboa USCSA

    EIN 510180685 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. United States Diving Inc

    EIN 311163822 · Headquarters: Waltham, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  9. United States Eurasier Club Inc

    EIN 770663489 · Headquarters: Plymouth, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. United States Global Initiative

    EIN 863885339 · Headquarters: SUDBURY, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. United States Junior Chamber of Commerce

    EIN 043100375 · Headquarters: Taunton, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  12. United States Junior Chamber of Commerce

    EIN 222572701 · Headquarters: Foxboro, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. United States Lightship Museum Inc

    EIN 264349122 · Headquarters: EAST BOSTON, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. United States Merchant Marine Academy New England Parents Associ

    EIN 815449198 · Headquarters: South Hamilton, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. United States Naval Academy Parents Club of Central New England Inc

    EIN 261336915 · Headquarters: WEST BARNSTABLE, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. United States Pony Club

    EIN 814932273 · Headquarters: Duxbury, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  17. United States Pony Clubs Inc

    EIN 042971493 · Headquarters: Carlisle, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. United States Power Squadrons

    EIN 041630503 · Headquarters: Newton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. United States Power Squadrons

    EIN 042373784 · Headquarters: Hamilton, MA, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  20. United States Power Squadrons

    EIN 043199666 · Headquarters: MARBLEHERAD, MA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  21. United States Power Squadrons

    EIN 046054796 · Headquarters: Lakeville, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  22. United States Power Squadrons

    EIN 046060261 · Headquarters: Whitman, MA, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. United States Power Squadrons

    EIN 046060972 · Headquarters: Newton Centre, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  24. United States Power Squadrons

    EIN 046067271 · Headquarters: Groton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. United States Power Squadrons

    EIN 046086485 · Headquarters: Braintree, MA, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  26. United States Power Squadrons

    EIN 046088390 · Headquarters: Sturbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. United States Power Squadrons

    EIN 046112607 · Headquarters: WORCESTER, MA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  28. United States Power Squadrons

    EIN 046116171 · Headquarters: Harwich Port, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. United States Power Squadrons

    EIN 046130501 · Headquarters: Hull, MA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  30. United States Power Squadrons

    EIN 046130502 · Headquarters: Lynn, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  31. United States Power Squadrons

    EIN 046175358 · Headquarters: South Yarmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. United States Power Squadrons

    EIN 046179593 · Headquarters: Newton, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. United States Power Squadrons

    EIN 046188782 · Headquarters: Lawrence, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. United States Power Squadrons

    EIN 046188999 · Headquarters: Rochester, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  35. United States Power Squadrons

    EIN 046189000 · Headquarters: Sagamore Beach, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. United States Power Squadrons

    EIN 237047430 · Headquarters: Hingham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. United States Power Squadrons

    EIN 237355506 · Headquarters: Stow, MA, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  38. United States Power Squadrons

    EIN 237369009 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. United States Submarine Veterans Marblehead Base

    EIN 223215725 · Headquarters: Danvers, MA, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. United States Veterans Vietnam Era Post 2 South Shore

    EIN 042940462 · Headquarters: ROCKLAND, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. United States Volt Hockey Association Inc

    EIN 991458895 · Headquarters: Roxbury, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. United States-japan Bridging Foundation Inc

    EIN 522100673 · Headquarters: ACTON, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. United Steelworkers

    EIN 026012615 · Headquarters: Wakefield, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  44. United Steelworkers

    EIN 042239430 · Headquarters: MILFORD, MA, US · Employment · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  45. United Steelworkers

    EIN 042514509 · Headquarters: MARLBORO, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. United Steelworkers

    EIN 042650002 · Headquarters: GARDNER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. United Steelworkers

    EIN 042709330 · Headquarters: AGAWAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. United Steelworkers

    EIN 043308797 · Headquarters: SHIRLEY, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. United Steelworkers

    EIN 043449465 · Headquarters: Marlborough, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. United Steelworkers

    EIN 043481209 · Headquarters: Westport, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. United Steelworkers

    EIN 046111853 · Headquarters: Somerville, MA, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  52. United Steelworkers

    EIN 046112088 · Headquarters: ATTLEBORO, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. United Steelworkers

    EIN 046114491 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. United Steelworkers

    EIN 046116419 · Headquarters: Medway, MA, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  55. United Steelworkers

    EIN 046136770 · Headquarters: West Groton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. United Steelworkers

    EIN 046189188 · Headquarters: GLENDALE, MA, US · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  57. United Steelworkers

    EIN 046190065 · Headquarters: TEMPLETON, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  58. United Steelworkers

    EIN 056010024 · Headquarters: Milford, MA, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  59. United Steelworkers

    EIN 237154182 · Headquarters: MILFORD, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. United Steelworkers

    EIN 237237415 · Headquarters: Ashburnham, MA, US · Employment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  61. United Steelworkers

    EIN 237245857 · Headquarters: Pepperell, MA, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  62. United Steelworkers

    EIN 237280352 · Headquarters: WARE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. United Steelworkers

    EIN 237292698 · Headquarters: Milford, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  64. United Steelworkers

    EIN 251765271 · Headquarters: Chelsea, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. United Steelworkers

    EIN 271080706 · Headquarters: Chelsea, MA, US · Employment · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  66. United Steelworkers

    EIN 521339982 · Headquarters: Brockton, MA, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  67. United Steelworkers

    EIN 813483378 · Headquarters: West Roxbury, MA, US · Employment · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  68. United Steelworkers International

    EIN 046116163 · Headquarters: Worcester, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  69. United Steelworkers International

    EIN 046119592 · Headquarters: Athol, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. United Steelworkers International Union Local 07912

    EIN 042710034 · Headquarters: Chicopee, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. United Steelworkers International Union Local 12003

    EIN 046138420 · Headquarters: Braintree, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. United Steelworkers Local 2936

    EIN 042043019 · Headquarters: Auburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  73. United Steelworkers Local Union 09360

    EIN 251765273 · Headquarters: Chelsea, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. United Steelworkers Local Union 09517

    EIN 812576305 · Headquarters: Foxboro, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. United Steelworkers Local Union 12004

    EIN 237315290 · Headquarters: Milford, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  76. United Steelworkers Local Union 12026

    EIN 042521450 · Headquarters: Springfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. United Steelworkers Local Union 12325

    EIN 046113319 · Headquarters: Pittsfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  78. United Steelworkers Local Union 13507

    EIN 237011306 · Headquarters: South Yarmouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. United Steelworkers Local Union 2285

    EIN 042467418 · Headquarters: Auburn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. United Steelworkers Local Union 5696

    EIN 043468393 · Headquarters: Ashland, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  81. United Steelworkers Local Union 8751

    EIN 510231799 · Headquarters: Roslindale, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  82. United Steelworkers of America

    EIN 510220672 · Headquarters: Sturbridge, MA, US · Employment · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  83. United Teachers of Lowell Local 495

    EIN 222542221 · Headquarters: LOWELL, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. United Through Football Inc

    EIN 830780018 · Headquarters: Lowell, MA, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  85. United Transporation Union Local 1473

    EIN 901110228 · Headquarters: Whitinsville, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  86. United Union of Roofers

    EIN 042167450 · Headquarters: WESTFIELD, MA, USA · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. United Union of Roofers 33 Rdwa

    EIN 041786120 · Headquarters: STOUGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  88. United Voices of Jamaica Inc

    EIN 991657029 · Headquarters: Brewster, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. United Way of Acton-Boxborough Inc

    EIN 042740795 · Headquarters: Acton, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2021 · Primary form: IRS Form 990

  90. United Way of Central Massachusetts Inc

    EIN 042104017 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. United Way of Franklin County

    EIN 042212894 · Headquarters: GREENFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  92. United Way of Greater Attleborotaunton Inc

    EIN 042104020 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990

  93. United Way of Greater Fall River Inc

    EIN 042104026 · Headquarters: FALL RIVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. United Way of Greater New Bedford Inc

    EIN 042104264 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. United Way of Greater Plymouth County In

    EIN 042103940 · Headquarters: BROCKTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. United Way Of Massachusetts Bay Inc

    EIN 042382233 · Headquarters: Boston, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. United Way of North Central Mass Inc

    EIN 042233021 · Headquarters: FITCHBURG, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. United Way of Pioneer Valley Inc

    EIN 042152680 · Headquarters: SPRINGFIELD, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. United Way of South Central Massachusetts Inc

    EIN 042308155 · Headquarters: SOUTHBRIDGE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990

  100. United Way of the Franklin & Hampshire Region

    EIN 042104792 · Headquarters: NORTHAMPTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

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