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. Securing American Greatness Inc

    EIN 991771141 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Seed & Structure Inc

    EIN 395042647 · Headquarters: Salem, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Seed Fund Ua 121991

    EIN 366980564 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  4. Seeds of the Olive Tree Corporation

    EIN 991566542 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Seekers of Knowledge Inc

    EIN 300599291 · Headquarters: Mattapan, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  6. Seekonk Columbus Corporation

    EIN 042374275 · Headquarters: Seekonk, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Seekonk Educators Association

    EIN 510146369 · Headquarters: Seekonk, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Seekonk Little League 2210613 Seekonk

    EIN 043308700 · Headquarters: SEEKONK, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  9. Segal Sanders Family Foundation

    EIN 043254367 · Headquarters: CONCORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  10. Seiu Local 888

    EIN 050578962 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Sel4us Inc

    EIN 861577501 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Selah Day Resource Center

    EIN 852087734 · Headquarters: Chelsea, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  13. Self Esteem Boston Educational Institute Inc

    EIN 043213321 · Headquarters: Jamaica Plain, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  14. Sellew Memorial Trust Bb Co-ttee

    EIN 061027404 · Headquarters: LENOX, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  15. Semcoa Inc Dba Southeast Massachusetts Council on Advocacy

    EIN 237161463 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Send the Vote Inc

    EIN 993066199 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Senior Citizens Club of Tyngsborough Ma

    EIN 800529648 · Headquarters: TYNGSBORO, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  18. Senior Citizens Fund of Newton Inc

    EIN 042861033 · Headquarters: NEWTONVILLE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Senior Living Inc

    EIN 046087478 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. Seoul National University Alumni Association in USA

    EIN 912165164 · Headquarters: Newton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Ser-jobs for Progress Inc

    EIN 042664574 · Headquarters: Fall River, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Sersg Service Corp

    EIN 043359781 · Headquarters: MANSFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Servants of Christ Ministries

    EIN 222573766 · Headquarters: SCITUATE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  24. Service and Freedom for Michigan

    EIN 880674797 · Headquarters: BEVERLY, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Service Center of Greater Lawrence Co Josephine Paolino

    EIN 042275506 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  26. Service Employees International Union 211 Seiu

    EIN 046190452 · Headquarters: FLORENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Service Employees International Union Local 263

    EIN 046056773 · Headquarters: FLORENCE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. Service Stars Inc

    EIN 834400222 · Headquarters: West Newton, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  29. Seth Adams Tr

    EIN 237125976 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Seven Children Foundation Incorporated

    EIN 330536527 · Headquarters: WEST ROXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  31. Seven Hills Wheelmen Bic

    EIN 042664570 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Severance Memorial Past Master and Past Lecturers Association

    EIN 464609417 · Headquarters: Boylston, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  33. Sgt Robert R Litwin Pto

    EIN 042600509 · Headquarters: CHICOPEE, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  34. Sgt William H Carney Academy After-school Day Care Program Inc

    EIN 042741249 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  35. Sha Capen Court Corporation

    EIN 263754918 · Headquarters: SOMERVILLE, MA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  36. Shakespeare Oxford Society

    EIN 136105314 · Headquarters: Auburndale, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. Shalom Properties Inc

    EIN 043358724 · Headquarters: EAST BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Shantigar Foundation Inc

    EIN 223143621 · Headquarters: Rowe, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  39. Shara Tfilo Cemetery Association

    EIN 046053063 · Headquarters: NEWTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  40. Share Resources Inc

    EIN 334183565 · Headquarters: SOUTH HADLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Sharing Inc Kay Doherty President

    EIN 042580704 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Sharing One Family to Another Inc

    EIN 205929336 · Headquarters: Somerset, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  43. Sharing Serenity Inc

    EIN 863729706 · Headquarters: East Falmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Sharon & Crescent United Credit Union

    EIN 042391206 · Headquarters: SHARON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Sharon Community Band Inc

    EIN 043040351 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. Sharon Community Television Inc

    EIN 222542785 · Headquarters: SHARON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Sharon Country Club

    EIN 041824150 · Headquarters: SHARON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  48. Sharon Fish & Game Club Inc

    EIN 046059100 · Headquarters: SHARON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Sharon Friends of Conservation Inc

    EIN 043001482 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Sharon High School Ptso Foundation Inc

    EIN 223103007 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Sharon Historical Society

    EIN 042767975 · Headquarters: Sharon, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Sharon Ma Parents Club Inc

    EIN 884161079 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  53. Sharon Muslim Association Inc

    EIN 392404127 · Headquarters: Sharon, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Sharon Youth Baseball and Softball Association

    EIN 223186263 · Headquarters: Sharon, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Shatz Schwartz and Fentin Charitable Foundation

    EIN 042712836 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  56. Shaughnessy Charitable Trust

    EIN 046595469 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  57. Shaun P Scully Scholarship Fund Inc

    EIN 042880378 · Headquarters: WILMINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  58. Shaw Fund for Mariners' Children C/o Walter & Shuffain Pc

    EIN 042104861 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Shawme Fish and Game Club Inc

    EIN 043098560 · Headquarters: SANDWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  60. Shawme Heights Inc

    EIN 042707592 · Headquarters: SANDWICH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. She Walks Corp

    EIN 334919129 · Headquarters: Canton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. She Who Reads

    EIN 821392482 · Headquarters: Hyde Park, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  63. Sheart Network Inc

    EIN 272268024 · Headquarters: Orleans, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  64. Shearwater Associationinc

    EIN 042775602 · Headquarters: BREWSTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Sheehan Family Foundation

    EIN 043197325 · Headquarters: KINGSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  66. Sheehan School Pta

    EIN 043101928 · Headquarters: WESTWOOD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  67. Sheep Pond Beach Association Inc

    EIN 162627323 · Headquarters: Brewster, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Sheet Metal Workers Local No 17 Labor Management Cooperation Trust

    EIN 042740831 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Sheet Metal Workers Local No 63 Health and Welfare Fund

    EIN 046116422 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Sheet Metal Workers Local Union No 17 Insurance Fund

    EIN 042088633 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  71. Sheet Metal Workers' Local Union No 17 Apprentice & Training Trust Fund

    EIN 222562168 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Sheffield Kiwanis Club Inc

    EIN 042967514 · Headquarters: SHEFFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  73. Shel Risk Purchasing Group Association

    EIN 821547133 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  74. Shelagh E Mahoney & Joseph E Mcnamee Family Foundation Inc

    EIN 832870459 · Headquarters: LOWELL, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  75. Shelburne Buckland Community Center Inc

    EIN 042552125 · Headquarters: SHELBURNE FALLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. Shelburne Community School Council

    EIN 042980014 · Headquarters: Roxbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Shelburne Falls Area Information and Civic Assoc

    EIN 222600587 · Headquarters: SHELBURNE FLS, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Shelburne Falls Community House In

    EIN 046044077 · Headquarters: SHELBURNE FALLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  79. Shelburne Falls Theatre Arts Inc

    EIN 208901009 · Headquarters: Shelburne Falls, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  80. Shepherd Brooks Char Endowment

    EIN 046900178 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  81. Sherborn Garden Club

    EIN 042786494 · Headquarters: Sherborn, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Sherborn Historical Society

    EIN 046059666 · Headquarters: Sherborn, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  83. Sherbrooke Family Charitable Trust C/o Ross E Sherbrooke

    EIN 222867347 · Headquarters: COHASSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  84. Sheri L Jamieson Charitable Foundation

    EIN 046650065 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Sherman H Starr Family Foundation

    EIN 046048643 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. Sherwood Greens Road Improvement

    EIN 043388514 · Headquarters: BECKET, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  87. Shiloh Church of God in Christ Inc

    EIN 222987575 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  88. Shimer Design and Development

    EIN 472344470 · Headquarters: Topsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  89. Shipline Handlers Local 1604 Ila

    EIN 043647665 · Headquarters: CHARLESTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  90. Shipyard Church Co Local Faith

    EIN 863394527 · Headquarters: PLYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  91. Shire City Sanctuary Inc

    EIN 814617150 · Headquarters: Pittsfield, MA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  92. Shirley & Milton Levy Family Charitable Trust

    EIN 226480716 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Shirley Jean Smith Agricultural and Art Center Incorporated

    EIN 474778441 · Headquarters: MENDON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  94. Shirley Rod and Gun Club

    EIN 046079256 · Headquarters: Shirley, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. Shore Country Day School

    EIN 042104926 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Shrewsbury American Youth Football and Cheer Organization Inc

    EIN 264097444 · Headquarters: SHREWSBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  97. Shrewsbury Education Association Inc Dba Sea

    EIN 273973433 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Shrewsbury Firefighters Association

    EIN 453621448 · Headquarters: SHREWSBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  99. Shrewsbury Historical Society

    EIN 042593089 · Headquarters: Shrewsbury, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Shrewsbury Pa Nepba Local 191

    EIN 237450591 · Headquarters: SHREWSBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

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