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. The Open Center for Children Inc

    EIN 042505196 · Headquarters: SOMERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. The Open Door Cape Ann Food Pantry Inc

    EIN 222513482 · Headquarters: GLOUCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. The Open Pantry of Greater Lowell Inc

    EIN 222474729 · Headquarters: Lowell, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. The Orchard Foundation C/o Heidi Lehner Corient Private Wealth

    EIN 046660214 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  5. The Over the Hill Soccer League Inc

    EIN 222484189 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. The Oxford Ecumenical Council Inc

    EIN 743203534 · Headquarters: OXFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. The Oyster Harbors Club Scholarship Fund Inc

    EIN 042997707 · Headquarters: OSTERVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  8. The Pacer Foundation

    EIN 770233360 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  9. The Paraclete Foundation Inc

    EIN 742484671 · Headquarters: ORLEANS, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  10. The Pascommuck Club Inc

    EIN 042066133 · Headquarters: EASTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. The Patrick J Mcgovern Foundation Inc

    EIN 223021586 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  12. The Paul Revere Chapter of the Retired Officers Association Inc

    EIN 043150524 · Headquarters: Wakefield, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  13. The Paxton Ma Garden Club Inc

    EIN 882670177 · Headquarters: Paxton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. The PBH Charitable Trust

    EIN 136896043 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  15. The PD Collab

    EIN 881453442 · Headquarters: Stoneham, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  16. The Peabody Foundation Inc C/o Judith E Rhoades

    EIN 042104767 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. The Pentucket Workshop Inc

    EIN 042623615 · Headquarters: GEORGETOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. The Perkin Fund

    EIN 136222498 · Headquarters: SOUTH HAMILTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. The Perls Foundation Katherine Perls Et Al Trustees

    EIN 046864032 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  20. The Peter & Pamela Voss Charitable Foundation

    EIN 046933143 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. The Phoenix School Inc

    EIN 042738785 · Headquarters: Salem, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. The Pickering Foundation

    EIN 046046372 · Headquarters: SALEM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. The Pike School Inc

    EIN 042104832 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. The Pilgrim John Howland Society Inc

    EIN 042128457 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  25. The Pilgrimage

    EIN 394045107 · Headquarters: Charlton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. The Plato Malozemoff Foundation

    EIN 133382155 · Headquarters: LINCOLN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. The Plumsock Fund Inc C/o Stanton & Company

    EIN 356014719 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. The Plymouth Area Chamber of Commerce Inc

    EIN 042078732 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. The Plymouth Rock Assurance Foundation

    EIN 046739902 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. The Potter's School Inc

    EIN 043055183 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. The Preschool Experience Inc

    EIN 042710075 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. The Promosis Foundation

    EIN 260003469 · Headquarters: MARBLEHEAD, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  33. The Proprietors of Forest Hills Cem

    EIN 041335965 · Headquarters: JAMAICA PLAIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. The Proprietors of Linwood Cemetery

    EIN 041548430 · Headquarters: HAVERHILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. The Reba Judith Sandler Foundation Inc C/o Jay D Rosenbaum Director

    EIN 133919640 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  36. The Red Elm Tree Foundation

    EIN 043210639 · Headquarters: LINCOLN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  37. The Reed Charitable Trust C/o Jay Aframe Trustee

    EIN 042603322 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. The Remember Me Foundation Inc

    EIN 394846239 · Headquarters: Natick, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. The Research Institute of Paper History and Technology Inc

    EIN 043284174 · Headquarters: BROOKLINE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  40. The Resolution Center Inc Fka North Shore Community Mediationinc

    EIN 223293939 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. The Retired Mens Club of Cape Cod Massachusetts

    EIN 046191397 · Headquarters: South Dennis, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. The Riverbend Center for Montessori Excellence Inc

    EIN 237122908 · Headquarters: NATICK, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. The Rivers School

    EIN 042104457 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. The Robb Charitable Trust

    EIN 223087631 · Headquarters: JAMAICA PLAIN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. The Robbins-de Beaumont Foundation C/o John K Graham Manager

    EIN 046719809 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  46. The Robert & Helen Hardman Family Fund #95-290240

    EIN 046744637 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  47. The Robertson Trust

    EIN 046109594 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  48. The Rose Foundation Inc

    EIN 222586241 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  49. The Ross Webb Fund

    EIN 046064025 · Headquarters: SOUTH DARTMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  50. The Rotary Club of Rockport Massachusetts

    EIN 046050263 · Headquarters: ROCKPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  51. The Rowe Foundation Inc

    EIN 043071209 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. The Royall House and Slave Quarters

    EIN 046046749 · Headquarters: MEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. The Ruth and Frederick Stavis Family Foundation

    EIN 043448561 · Headquarters: DEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  54. The Ruth L Lee Fund

    EIN 956190225 · Headquarters: East Weymouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  55. The Salem Country Club Incorporated

    EIN 041802730 · Headquarters: PEABODY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. The Samuel & Tillie D Cheiffetz Foundati

    EIN 061355367 · Headquarters: Natick, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. The Samuel Hunington Fund Inc

    EIN 043021374 · Headquarters: Waltham, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. The Samuel Rubin Foundation Inc C/o Loring Wolcott & Coolidge

    EIN 136164671 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. The Samuel Salmanson Foundation C/o Tobey Oresman

    EIN 592466060 · Headquarters: CHESTNUT HILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  60. The Schechter Family Foundation

    EIN 043339430 · Headquarters: WESTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  61. The Seaside Club of Plymouth Massachusetts

    EIN 046065174 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  62. The Second Step Inc

    EIN 222868513 · Headquarters: NEWTONVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. The Seth Mann 2D Home for Aged and Infirm Women

    EIN 042111410 · Headquarters: RANDOLPH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  64. The Seymour Kaplan Memorial Foundation C/o Richard E Kaplan Trustee

    EIN 222503795 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  65. The Shane Foundation

    EIN 043014763 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. The Sheijen Ch'en and Yuwu Kwan Ch'en Educational Foundation

    EIN 332417517 · Headquarters: Franklin, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  67. The Shlopak Foundation

    EIN 223265966 · Headquarters: ROCKPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  68. The Shore Incorporated

    EIN 221372909 · Headquarters: Barnstable, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. The Sidney a Swensrud Foundation

    EIN 256050238 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. The Sixth Amendment Center Incorporated

    EIN 453477185 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. The Smith Foundation

    EIN 046795433 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  72. The Societies for Pediatric Urology

    EIN 581472879 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. The Society of American Military Engineers Boston Post Inc

    EIN 046188767 · Headquarters: WESTFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. The Society to Help Education in Bangladesh International Inc

    EIN 133406723 · Headquarters: Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. The Somerset Club

    EIN 041850150 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. The Somerset Club Charitable Trust

    EIN 046112332 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  77. The Southborough Village Society Inc

    EIN 223315625 · Headquarters: SOUTHBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  78. The Spillane Charitable Foundation

    EIN 043341720 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  79. The Sportsmen's Tennis & Enrichment Center Inc

    EIN 237037183 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. The Springfield Cemetery

    EIN 041858710 · Headquarters: Springfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. The Srichard and Patricia R Penni Charitable Fou

    EIN 043037802 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. The Stanley H & Theodora L Feldberg Foundation

    EIN 222604911 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  83. The Stare Fund

    EIN 046026648 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  84. The Stella-rosie Foundation Inc

    EIN 273562171 · Headquarters: Carlisle, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  85. The Stephen & Joyce Schultz Charitable Foundation

    EIN 046772546 · Headquarters: DEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  86. The Stephen JHendrickson FoundationInc C/o SJ Hendrickson

    EIN 043140238 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  87. The Stockbridge Bowl Association

    EIN 222521512 · Headquarters: STOCKBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. The Storer Trust

    EIN 046034836 · Headquarters: Belmont, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  89. The Stratford Foundation

    EIN 222524023 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  90. The Stratton Players Inc

    EIN 046079244 · Headquarters: FITCHBURG, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. The Sturgis Library

    EIN 042318944 · Headquarters: BARNSTABLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  92. The Sudbury Art Association Inc

    EIN 272563727 · Headquarters: Sudbury, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. The Sudbury Foundation

    EIN 046037026 · Headquarters: SUDBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. The Sullivan Family Foundation

    EIN 133531989 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. The Sumner L & Esther M Feldberg Foundation

    EIN 046624586 · Headquarters: AUBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  96. The Sunday School Inc

    EIN 042400377 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990

  97. The Supreme Master Ching Hai Intl Association

    EIN 043129230 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. The Susan F Schiro and Peter J Manus Foundation

    EIN 223199042 · Headquarters: BROOKLINE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  99. The Sutton Residence for Women in Peabody

    EIN 042105954 · Headquarters: PEABODY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  100. The Swan Society in Boston Inc

    EIN 042306840 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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