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. Hovey Players Inc

    EIN 046130159 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Howard & Katherine Aibel Foundation

    EIN 237046798 · Headquarters: CONCORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  3. Howard a and Martha R Wolf Fund

    EIN 236207349 · Headquarters: LINCOLN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. Howard C Connor Charitable Foundation Eastern

    EIN 223204723 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  5. Howard Family Foundation

    EIN 367041179 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Howard Home Trustees Home for Aged Men Brockton

    EIN 042103796 · Headquarters: BROCKTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Howland Family Foundation

    EIN 043215296 · Headquarters: NORWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  8. HRCA Housing For Elderly Inc

    EIN 042543731 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  9. Hrsfans

    EIN 261284295 · Headquarters: SHREWSBURY, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  10. Htm Credit Union

    EIN 042011587 · Headquarters: HAVERHILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Hub & Spoke Inc

    EIN 862135713 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. Hub Rugby Inc

    EIN 612104700 · Headquarters: Brookline, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Hudson Education Association Inc

    EIN 043355819 · Headquarters: Hudson, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Hudson Land Trust Inc

    EIN 831816557 · Headquarters: Hudson, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Hudson Lodge of Elks No 959 Inc

    EIN 041079620 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Hudson Valley Chihuahua Club Inc

    EIN 271517780 · Headquarters: Ludlow, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  17. Hudson Youth Soccer Association Inc

    EIN 042774307 · Headquarters: HUDSON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. Hudson-essex Terraplane Club Inc

    EIN 310932022 · Headquarters: Salem, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Hugh Obrian Youth Leadership

    EIN 352231205 · Headquarters: Hopkinton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  20. Hugs for Mito Inc

    EIN 814919859 · Headquarters: South Easton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Hull Performing Arts Inc

    EIN 043069466 · Headquarters: Hull, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Hult International Business School

    EIN 043348440 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Human Factors and Ergonomics Society New England Chapter

    EIN 412266720 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  24. Human Resource Leadership Forum Inc

    EIN 043005931 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Human Services of Dedham Inc

    EIN 042645004 · Headquarters: Dedham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Human Services Providers Charitable Foundation Inc

    EIN 223017936 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Humanist Chaplaincy at Harvard Inc

    EIN 043174504 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Hundreds Swimmers Inc

    EIN 042517849 · Headquarters: Westborough, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  29. Hunter Family Charitable Trust

    EIN 046044945 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Hurdle Hill Foundation C/o Woodstock Services Co Llc

    EIN 046012782 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Hy and Greta Berkowitz Foundation

    EIN 381907981 · Headquarters: DEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Hyannis Area Chamber of Commerce

    EIN 042780752 · Headquarters: HYANNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Hyannis Athletic Association Inc

    EIN 510147203 · Headquarters: WEST HYANNISPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  34. Hyannis Park Civic Association

    EIN 043095234 · Headquarters: West Yarmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Hyannis Public Library

    EIN 042214844 · Headquarters: HYANNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Hyannis Rotary Club Inc

    EIN 046111633 · Headquarters: HYANNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Hyannis Yacht Club

    EIN 042000996 · Headquarters: HYANNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Hyannisport Club Inc

    EIN 041465810 · Headquarters: HYANNIS PORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Hyannisport Yacht Club

    EIN 042257890 · Headquarters: HYANNISPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Hyde Charitable Foundation

    EIN 042752893 · Headquarters: SOUTHBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. Hyman & Shirley Hill Charitable Foundation Inc

    EIN 042898851 · Headquarters: MILFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  42. I Am Home Corporation

    EIN 933686291 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. I Am Youth Foundation

    EIN 208261330 · Headquarters: Peabody, MA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  44. I Got You Inc

    EIN 932591065 · Headquarters: Mashpee, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  45. I Northeast Fishery Sector Inc

    EIN 270246315 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. I Press Incorporated

    EIN 922699753 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. I U O E Local 98 Eng'rs Jt Tng Skl Imprvmt Safety Edu App & Tng Fund

    EIN 042509496 · Headquarters: SOUTHWICK, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. I Wonder Teachers Fund Inc

    EIN 263616018 · Headquarters: Salem, MA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  49. Iaaf Nantucket Permanant Firefighters Assoc Local 2509

    EIN 510209592 · Headquarters: NANTUCKET, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Iaff Local 143 Everett Firefighters

    EIN 237389229 · Headquarters: Saugus, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  51. IAFF Local 76 Somerville

    EIN 046072421 · Headquarters: Somerville, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Iama Local Lodge 1726

    EIN 042192072 · Headquarters: EAST BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. IBA Boston

    EIN 237090081 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Ibew Local 104 Union

    EIN 041472124 · Headquarters: MANSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  55. IBEW Local 223 Joint Apprenticeship and Training Trust

    EIN 237379806 · Headquarters: Tanton, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Ibew Local 2325 Building Corp

    EIN 900625259 · Headquarters: WORCESTER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Ibew New England Professional & Industrial Council

    EIN 331597355 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  58. Ibpat Realty Trust

    EIN 046630515 · Headquarters: ROSLINDALE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Ibpo Local 309

    EIN 464530488 · Headquarters: Halifax, MA, US · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Ibpo-local 447

    EIN 237297601 · Headquarters: PITTSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Ic Endowment Corporation

    EIN 261965674 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  62. Icon Youth Performance Foundation

    EIN 422450429 · Headquarters: Seekonk, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Idaho Field Trial Championships and Upland Bird Conservancy Inc

    EIN 882458926 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  64. If for Only One

    EIN 932820673 · Headquarters: STONEHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Iglesia De Cristo Restauracion Y Vida

    EIN 474512445 · Headquarters: Lawrence, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Iglesia Evangelica Misionera Primitiva Peregrina De Cristo Jesus

    EIN 921433560 · Headquarters: LAWRENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Iglesia Evangelica Pentecostal Fuente De Vida Eterna

    EIN 043492900 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Iglesia Resurreccion De Cristo Inc

    EIN 822927785 · Headquarters: EAST BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  69. Igreja Evangelical Pentecostal

    EIN 043243615 · Headquarters: Salem, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  70. Illustrators Partnership of America

    EIN 522224360 · Headquarters: MARSHFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990

  71. Illyrian Gardens Inc

    EIN 042761051 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. Imago School Association Inc

    EIN 042700903 · Headquarters: MAYNARD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Imd Alumni Association of New England

    EIN 813202820 · Headquarters: Wellesley Hills, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  74. Immigrant City Archives

    EIN 042651157 · Headquarters: Lawrence, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Immortals Mc

    EIN 472121451 · Headquarters: Norton, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  76. Immunology Research Institute of New England Inc

    EIN 043105406 · Headquarters: GARDNER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Improved Benevolent & Protective Order of Elks of the World

    EIN 223037315 · Headquarters: Holyoke, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  78. Improved Benevolent & Protective Order of Elks of the World

    EIN 237621905 · Headquarters: Holyoke, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  79. Improved Order of Red Men of Massachusetts

    EIN 237159324 · Headquarters: L, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Improved Order of Red Men of Massachusetts

    EIN 237159327 · Headquarters: FRANKLIN, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Improved Order of Red Men of Massachusetts

    EIN 237167756 · Headquarters: Southbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Improvisation Center of Boston Inc

    EIN 043194750 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. In His Presence Christian Counseling

    EIN 510637499 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. In Season and Out of Season

    EIN 222596205 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. In the Vine Ministry

    EIN 562579762 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Ince Foundation Inc

    EIN 141761628 · Headquarters: WAKEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  87. Inclusive Tech Solutions

    EIN 992485254 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Incorporated Proprietors of Nonquitt

    EIN 042139345 · Headquarters: SOUTH DARTMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Independence Forge Assoc Inc C/o Platinum Services Property Mgmt

    EIN 043159713 · Headquarters: MANSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Independent Insurance Agents of Hampden County Inc

    EIN 043350664 · Headquarters: Indian Orchard, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  91. Independent Maintenance & Service Employees of America

    EIN 042168505 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. Independent Order of Odd Fellows

    EIN 047141352 · Headquarters: HYANNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  93. Independent Order of Odd Fellows

    EIN 237144681 · Headquarters: WEST BOYLSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Independent Order of Odd Fellows

    EIN 237146362 · Headquarters: Saugus, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Independent Order of Odd Fellows

    EIN 237605474 · Headquarters: Hadley, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Independent Order of Odd Fellows

    EIN 237609512 · Headquarters: MEDWAY, MA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  97. Independent Order of Odd Fellows 141 Bass River Lodge

    EIN 041469800 · Headquarters: Beverly, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Independent Order of Odd Fellows 217 Kearsarge Lodge

    EIN 046053291 · Headquarters: SWAMPSCOTT, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Independent Order of Odd Fellows Bethesda Lodge No30

    EIN 041086363 · Headquarters: ABINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Independent Order of Odd Fellows Grand Lodge Ioof of Massachusett

    EIN 041383604 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

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