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. Shrewsbury Youth Hockey Association

    EIN 042791606 · Headquarters: SHREWSBURY, MA, USA · Recreation & Sports · Latest available filing year: 2019 · Primary form: IRS Form 990

  2. Shrewsbury Youth Soccer Association Inc

    EIN 042883697 · Headquarters: SHREWSBURY, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Shri Gita Mandir Inc

    EIN 871662418 · Headquarters: NORTH ATTLEBORO, MA, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  4. Shri Lakshmi Mandir

    EIN 203310129 · Headquarters: Dorchester, MA, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  5. Shri Radha Krishna Foundation Inc

    EIN 921666049 · Headquarters: LEXINGTON, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Shrine Club of Se Massachusetts

    EIN 046357876 · Headquarters: WILMINGTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Shriners International

    EIN 581870374 · Headquarters: AGAWAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Shriners International Melha Shriners

    EIN 041610326 · Headquarters: Chicopee, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Shriver Clinical Services Corporation

    EIN 043175325 · Headquarters: MIDDLEBORO, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. SHRM-Human Resource Leadership Association of Eastern Connecticut

    EIN 061591813 · Headquarters: West Springfield, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Shs Basketball Hoopsters Club

    EIN 020731559 · Headquarters: Shrewsbury, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  12. Shs Boys Basketball Boosters Inc

    EIN 823203548 · Headquarters: SCITUATE, MA, USA · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ

  13. Shs Boys Lacrosse Inc

    EIN 334612369 · Headquarters: Scituate, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Shs Class of 1983 Memorial Scholarship Fund

    EIN 923409450 · Headquarters: SAUGUS, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Shs Girls Basketball Boosters Inc

    EIN 332029079 · Headquarters: Scituate, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Shs Ski Team Boosters

    EIN 813949914 · Headquarters: SWAMPSCOTT, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  17. Shulamit & Jehuda Reinharz Family Foundation

    EIN 467531357 · Headquarters: BROOKLINE, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. Shuley Nakamura Charitable Foundation

    EIN 452771318 · Headquarters: Charlestown, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Shultz's Guest House

    EIN 276259544 · Headquarters: Dedham, MA, USA · Animal Related · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  20. Shultzs Guest House Services Inc

    EIN 472697761 · Headquarters: DEDHAM, MA, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Shut Up Until You There Non-profit Corporation-organization

    EIN 921349802 · Headquarters: Brockton, MA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  22. Shutesbury Education Foundation Inc

    EIN 223446920 · Headquarters: Shutesbury, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  23. Shutesbury Elementary School Parent Teacher Organization

    EIN 542104035 · Headquarters: Shutesbury, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Shuttle Zone Ltd

    EIN 334827911 · Headquarters: Shrewsbury, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Shwachman-Diamond Syndrome Alliance Inc

    EIN 844654297 · Headquarters: Woburn, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Si Se Puede Inc

    EIN 222632181 · Headquarters: Lawrence, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Siasconset Beach Preservation Fund Inc

    EIN 043212914 · Headquarters: NANTUCKET, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  28. Siasconset Casino Association

    EIN 042273270 · Headquarters: SIASCONSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Siasconset Civic Association Inc

    EIN 237393725 · Headquarters: SIASCONSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Sibbian Inc

    EIN 813388622 · Headquarters: JAMAICA PLAIN, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Sibbri Foundation C/o Brian T Bristol

    EIN 256901390 · Headquarters: VINEYARD HAVEN, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  32. Sibley-saltonstall Charitable Foundation

    EIN 223208197 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  33. Sibling Connections Inc

    EIN 261519159 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  34. Siblings Day Foundation Inc

    EIN 061555949 · Headquarters: Pittsfield, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Sickle Cell Care Foundation Inc

    EIN 832905154 · Headquarters: AYER, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Sickle Cell Transplant Alliance for Research Incorporated

    EIN 811070509 · Headquarters: Great Barrington, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Sickles Charitable Fund (52-011037)

    EIN 043208476 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  38. Sickness Prevention Achieved Through Regional Collaboration Inc

    EIN 043355006 · Headquarters: Newton, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Sicut Cervus Foundation

    EIN 413080610 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  40. Siddartha Development Ethiopia Inc

    EIN 921536297 · Headquarters: North Chelmsford, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Side by Side Charitable Organization Inc

    EIN 812227466 · Headquarters: AUBURN, MA, USA · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  42. Side Street Collaborative

    EIN 813637491 · Headquarters: SWAMPSCOTT, MA, US · Public & Societal Benefit · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  43. Sidney & Esther Rabb Charitable Foundation

    EIN 046039595 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  44. Sidney & Robert Henderson Post 8608 Vfw of the Us Inc

    EIN 046126792 · Headquarters: NANTUCKET, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Sidney Mae Olson Rainbow Fund Inc

    EIN 932291456 · Headquarters: ANDOVER, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Sidney R Rabb Charitable Trust Uind

    EIN 222754563 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  47. Siempre Carolina Foundation Inc

    EIN 812587946 · Headquarters: NORTH ATTLEBORO, MA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Siena Foundation

    EIN 454144558 · Headquarters: Newburyport, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  49. Sierra International Foundation Inc

    EIN 461849819 · Headquarters: Boston, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  50. Sierra Leone Cultural Organization Inc

    EIN 222603200 · Headquarters: Roslindale, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  51. Sierra Leone Womans Movement in Massachusetts Inc

    EIN 943447958 · Headquarters: Dorchester, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  52. Siff Charitable Foundation C/o Grkb

    EIN 046112346 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  53. Sigel Family Foundation Inc

    EIN 464660634 · Headquarters: millbury, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  54. Sight Loss Services Inc

    EIN 042998072 · Headquarters: SOUTH DENNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Sightline Security Corp

    EIN 824604104 · Headquarters: MIDDLETON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Sightsavers

    EIN 311740776 · Headquarters: BOSTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  57. Sightsavers Inc

    EIN 474657747 · Headquarters: BOSTON, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  58. Sigma Alpha Epsilon Florida Gamma Alumni Association

    EIN 842233669 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  59. Sigma Alpha Epsilon Fraternity

    EIN 465094863 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  60. Sigma Alpha Epsilon Fraternity Ma Beta Alpha Chapter

    EIN 203839708 · Headquarters: Braintree, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  61. Sigma Alpha Epsilon Fraternity Massachusetts Gamma

    EIN 043558254 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Sigma Alpha Epsilon Fraternity Massachusetts Iota-tau Chapter

    EIN 461039830 · Headquarters: ACTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Sigma Alpha Epsilon Pi

    EIN 831904873 · Headquarters: WALTHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  64. Sigma Alpha Lambda Inc

    EIN 760711222 · Headquarters: CHELMSFORD, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  65. Sigma Alpha Mu Fraternity

    EIN 311218139 · Headquarters: Allston, MA, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  66. Sigma Alpha Mu Fraternity

    EIN 311235014 · Headquarters: Waltham, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  67. Sigma Chi - Lambda Upsilon Housing Corporation

    EIN 464872247 · Headquarters: Waltham, MA, US · Recreation & Sports · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  68. Sigma Chi Fraternity

    EIN 042112474 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Sigma Chi Fraternity

    EIN 043005839 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  70. Sigma Chi Fraternity

    EIN 043576445 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  71. Sigma Chi Theta Zeta

    EIN 363308602 · Headquarters: Bridgewater, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Sigma Chi Upsilon

    EIN 842414945 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Sigma Delta Epsilon Graduate Women in Science Inc

    EIN 363621115 · Headquarters: Everett, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Sigma Delta Tau Alpha Xi Chapter

    EIN 883858120 · Headquarters: Boston, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Sigma Delta Tau Society

    EIN 043071585 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Sigma Delta Tau Society

    EIN 883911208 · Headquarters: Waltham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Sigma Delta Tau Society Alpha Xi

    EIN 042908787 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  78. Sigma Delta Tau Society Psi Tau Chapter

    EIN 042428297 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Sigma Delta Tau Society Psi Tau Corporation

    EIN 237193065 · Headquarters: AMHERST, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Sigma Eta Eta of Chi Eta Phi Incorp Orated

    EIN 412965461 · Headquarters: Taunton, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Sigma Gamma Epsilon Zeta Iota Chp

    EIN 043153243 · Headquarters: Bridgewater, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  82. Sigma Gamma Rho Sorority

    EIN 271356216 · Headquarters: SPRINGFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Sigma Gamma Rho Sorority Inc

    EIN 043004015 · Headquarters: ROXBURY, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Sigma Gamma Rho Sorority Inc

    EIN 205663233 · Headquarters: Amherst, MA, US · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  85. Sigma Gamma Rho Sorority Inc

    EIN 311333125 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  86. Sigma Gamma Rho Sorority Inc

    EIN 474135374 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. Sigma Gamma Rho Sorority Inc

    EIN 900650727 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Sigma Gamma Tau National Honor Society in Aerospace Engineering

    EIN 911789053 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  89. Sigma Hui Epsilon Fraternity Inc

    EIN 271962817 · Headquarters: Brookline, MA, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  90. Sigma Kappa Sorority Beta Eta Chapter

    EIN 042108452 · Headquarters: HADLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Sigma Natick Chapter

    EIN 043476621 · Headquarters: Natick, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. Sigma Nu Fraternity

    EIN 046189967 · Headquarters: Medford, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  93. Sigma Nu Fraternity

    EIN 461749188 · Headquarters: Westford, MA, US · Education · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  94. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 043294423 · Headquarters: SOMERSET, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 046151923 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 911895171 · Headquarters: West Barnstable, MA, US · Education · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  97. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 911895416 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 911895678 · Headquarters: Springfield, MA, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  99. Sigma Phi Alpha Dental Hygiene Honor Society

    EIN 912056672 · Headquarters: Newton, MA, US · Education · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  100. Sigma Phi Epsilon Fraternity Inc

    EIN 222485694 · Headquarters: Somerville, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

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