Unknown & Unclassified nonprofits in Massachusetts

Unknown & Unclassified nonprofits in Massachusetts. Browse 12,299 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. Health Imperatives Inc

    EIN 042609177 · Headquarters: BROCKTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Health Management Services Inc

    EIN 222581863 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Health Resources in Action Inc

    EIN 042229839 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Health Rights Ma Advocacy

    EIN 333230479 · Headquarters: Westborough, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Healthlink Wellness Inc

    EIN 473472208 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  6. Healthy Living Organization Inc

    EIN 843754216 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. Healy Charitable Foundation

    EIN 042937389 · Headquarters: HOLLISTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  8. Hearing Loss Association of America Inc

    EIN 474815482 · Headquarters: Plymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Heart & Soil Collective Inc

    EIN 871718710 · Headquarters: LANESBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  10. Heart and Vascular Outcomes Research Institute

    EIN 463179217 · Headquarters: Beverly, MA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  11. Heart of New England Chihuahua Club Inc

    EIN 043425303 · Headquarters: Ludlow, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  12. Heat & Frost Insulators and Allied Workers Local 6 Health and Welfare Fund

    EIN 046040850 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Heat & Frost Insulators Local 6 Afl-cio Bica Labor Cooperation Trust

    EIN 046840605 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Heath Historical Society

    EIN 042607722 · Headquarters: HEATH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  15. Heath School Extended Day Inc

    EIN 042573266 · Headquarters: CHESTNUT HILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Helen and George Ladd Charitable 0720995 Charitable Corporation #0720995

    EIN 042767890 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  17. Helen H Hansen Elementary School Parent-teacher Organization

    EIN 042977510 · Headquarters: Stougthon, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Helen S Aaron Educational Tr League of Women Voters of Cape Cod Area

    EIN 042892353 · Headquarters: Orleans, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Helen Whitcomb Tr Uagr Fbo Schol

    EIN 042766403 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Helena W Hunt Trust Ua Article 11

    EIN 046384141 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. Helix Ensemble Inc

    EIN 422619088 · Headquarters: Jamaica Plain, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Hellenic American School Endowment Trust

    EIN 046940715 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  23. Hellenic Arts Society Inc Co St Spyridon Greek Orthodox Cathedral

    EIN 042666497 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Hellenic Center for Excellence in Health & Wellness Inc

    EIN 931356676 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  25. Hellenic Soccer Club of Boston Inc

    EIN 042997224 · Headquarters: ROSLINDALE, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Hellenic Women's Club Inc

    EIN 043105708 · Headquarters: BROOKLINE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Help by Amg

    EIN 873173260 · Headquarters: Brighton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Help Child Education

    EIN 472178841 · Headquarters: Allston, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  29. Help Me Budget Inc

    EIN 901011247 · Headquarters: SHREWSBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Help Services Network Inc

    EIN 042947572 · Headquarters: Dorchester, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  31. Helping Hands Foundation Inc

    EIN 042936212 · Headquarters: Plymouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  32. Hem Realty Inc

    EIN 300553220 · Headquarters: Woburn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Henderson Foundation C/o Roberta Henderson

    EIN 046051095 · Headquarters: SUDBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  34. Heney Charitable Trust C/o Barneke and Anderson Llp

    EIN 043113143 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  35. Henry B Martin Fund Inc

    EIN 046031995 · Headquarters: Milton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  36. Henry French Testamentary Trust Fbo Visiting Nurse Agency

    EIN 046026813 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  37. Henry H Downing Trust Uw #0703520 Charles L Newhall

    EIN 046016785 · Headquarters: SALEM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  38. Henry Hornblower Fund Inc

    EIN 237425285 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Henry K Dabrowski Society

    EIN 046392062 · Headquarters: FAIRHAVEN, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  40. Henry O Peabody School for Girls

    EIN 046003671 · Headquarters: CONCORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Henry P Kendall Foundation

    EIN 046029103 · Headquarters: MARION, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. Henry Tilden Trust Uw

    EIN 046018970 · Headquarters: HANOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  43. Henry W French Testamentary Trust Fbo Parish Hall Association

    EIN 046026814 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  44. Henry W French Testamentary Trust Fbo Susan French Scholarship

    EIN 046026812 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  45. Herbert & Barbara Goldberg Foundation C/o Louise Citron

    EIN 043293595 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  46. Herbert O Wolfe Foundation Inc

    EIN 116012915 · Headquarters: BELMONT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Heritage Academy Beth Morasha Inc

    EIN 042203827 · Headquarters: LONGMEADOW, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Heritage Chorale Inc

    EIN 046156018 · Headquarters: Framingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Heritage Plantation of Sandwich Fund

    EIN 237259864 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. Herring Insights Inc

    EIN 862045635 · Headquarters: DEDHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Heywood Realty Corporation

    EIN 043327447 · Headquarters: Gardner, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  52. Hg & Mr Anderson Fdn

    EIN 226390731 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. Hibernian Building Corporation Lynn C/o Donald Cross

    EIN 042499118 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  54. High Hill Fox & Coon Club Inc

    EIN 042637654 · Headquarters: DARTMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  55. High Meadow Foundation Inc

    EIN 222527419 · Headquarters: STOCKBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  56. High Ridge Harmony Farm

    EIN 862097464 · Headquarters: WESTMINSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  57. High Street Cemetery

    EIN 046053411 · Headquarters: GREENFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. High Street Cemetery Associat

    EIN 042104307 · Headquarters: Hingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Higher Education Consortium of Central Massachusetts Inc

    EIN 464753685 · Headquarters: NORTH GRAFTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. Highland Agricultural Society

    EIN 046392499 · Headquarters: Middlefield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Highland Glee Club of Newton

    EIN 046074481 · Headquarters: Newton Centre, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Highland Historic Realty Inc

    EIN 222535247 · Headquarters: FALL RIVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  63. Highland House Inc C/o Carr Property Management Inc

    EIN 042802399 · Headquarters: EAST LONGMEADOW, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  64. Highland Masonic Temple Association Inc

    EIN 900932809 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Highland Street Connection and Subsidiaries

    EIN 043048298 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. Highland Valley Elder Services

    EIN 042563340 · Headquarters: Florence, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Highways of Easton Fund

    EIN 046026809 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Hilary and Ruby Ryan Shp

    EIN 473097094 · Headquarters: GLOUCESTER, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  69. Hildreth Institute Action Fund

    EIN 832193185 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  70. Hildreth Stewart Charitable Foundation

    EIN 043195994 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  71. Hill Institute

    EIN 042111391 · Headquarters: FLORENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Hillcrest Hospital Auxiliary Inc

    EIN 042781357 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  73. Hillcrest Park Cemetery Association

    EIN 042280806 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Hillel at Brandeis Inc

    EIN 273185784 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Hillel Council of New England

    EIN 042688997 · Headquarters: Brookline, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Hillel Foundation at Tufts University Inc

    EIN 046139157 · Headquarters: MEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Hillside Cemetery

    EIN 046114854 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Hillside Residence Inc

    EIN 822291841 · Headquarters: Holyoke, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Hilltown Community Health Centers Inc

    EIN 042161484 · Headquarters: WORTHINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Hilltown Hounds Agility Club

    EIN 223858923 · Headquarters: CHARLEMONT, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Hinckleys Pond Association Inc

    EIN 452122063 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Hinda L & Arthur Marcus Foundation

    EIN 043212098 · Headquarters: CHESTNUT HILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. Hindle Maritta Rev Trust

    EIN 266271472 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Hinduja Foundation U S

    EIN 222570780 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  85. Hingham Centre Cemetery Corporation

    EIN 042312684 · Headquarters: Hingham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Hingham Community Nursery School Inc

    EIN 042392705 · Headquarters: Hingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Hingham High School Class of 1985

    EIN 364803280 · Headquarters: norwell, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  88. Hingham High School Class of 2009

    EIN 800591361 · Headquarters: Norwell, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. Hingham Land Conservation Trust

    EIN 237168825 · Headquarters: Hingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Hingham Tennis Club Inc

    EIN 222643787 · Headquarters: HINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Hingham Yacht Club

    EIN 041442570 · Headquarters: Hingham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Hippocrates Mission Corporation

    EIN 412963965 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Hiram Francis Mills Trust Uwill #0704163

    EIN 046012150 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. Hiram Pond Muckrakers Association

    EIN 262972494 · Headquarters: Dennis, MA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  95. Hire-national Inc

    EIN 161727437 · Headquarters: Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  96. Hire-national Inc

    EIN 203360125 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. His Helping Hands Inc

    EIN 471209259 · Headquarters: ROCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  98. His Kids Inc

    EIN 223023727 · Headquarters: WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. His Land Inc

    EIN 046471074 · Headquarters: LAKEVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  100. Hispanic Black Gay Coalition

    EIN 271197267 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

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