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. Institute of Real Estate Management Boston Metropolitan Chapter No 4

    EIN 510203825 · Headquarters: SCITUATE, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  2. Institute of Student Loan Advisors Corporation

    EIN 822724117 · Headquarters: PLYMOUTH, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  3. Institute of Traditional Science Inc

    EIN 042577162 · Headquarters: CAMBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  4. Institute on Higher Awesome Studies Inc

    EIN 275002182 · Headquarters: Somerville, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Institution for Savings in Newburyport & Its Vicinity Charitable Foundation Inc

    EIN 043353621 · Headquarters: NEWBURYPORT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  6. Instituto Biblico Resplandor

    EIN 814869927 · Headquarters: LYNN, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  7. Instituto De Artvismo Hannah Arendt (Instar)

    EIN 934583151 · Headquarters: CAMBRIDGE, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  8. Instrumental Angels Inc

    EIN 824870931 · Headquarters: Sudbury, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Instrumental Change Inc

    EIN 270548890 · Headquarters: Danvers, MA, US · Arts, Culture & Humanities · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  10. Instrumental Giving Group Inc

    EIN 204031502 · Headquarters: FALMOUTH, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Instrumental Impact

    EIN 922999672 · Headquarters: Lowell, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  12. Insulation Art Inc

    EIN 364678561 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  13. Insulation Contractors Association of New England

    EIN 042899784 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Insulators & Asbestos Workers Local 6 Building Corporation

    EIN 043154565 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Insurance Fraud Bureau of Massachusetts

    EIN 043107028 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  16. Insurance Library Association of Boston

    EIN 042104331 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Int Brotherhood of Boilermakers Local 29

    EIN 041472071 · Headquarters: AVON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  18. Int Longshoremens 800 Ila C/o Adam Florek

    EIN 041280633 · Headquarters: COHASSET, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. Int'l Alliance of Theatrical Stage Empl & Moving Picture

    EIN 046168847 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Int'l Assn of Bridge Structural & Orna- Mental Iron Workers Shopmen's Local 502

    EIN 230724505 · Headquarters: FRAMINGHAM, MA, USA · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  21. Int'l Assoc of Bridge Structural & Ornamental Iron Workers Local 501

    EIN 041551358 · Headquarters: FRAMINGHAM, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  22. Int'l Assoc of Firefighters 1839 Chelmsford

    EIN 237080022 · Headquarters: North Chelmsford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Int'l Association of Bridge Structural Ornamental Iron Workers Local 521

    EIN 231974545 · Headquarters: FRAMINGHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  24. Int'l Association of Firefighters Local 1706

    EIN 510227032 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  25. Int'l Brotherhood of Painters & Allied Trades Local Union 1280

    EIN 237071749 · Headquarters: ROSLINDALE, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Int'l Society for Pharmaceutical Engineering Inc Boston Area Chapter

    EIN 043159964 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  27. Int'l Society of Arboriculture Inc New England Chapter

    EIN 066073404 · Headquarters: NORWELL, MA, USA · Education · Latest available filing year: 2020 · Primary form: IRS Form 990

  28. Int'l Union of Bricklayers and Allied Cr Ma-me-nh-ri Appr & Train Fund

    EIN 222518280 · Headquarters: CHARLESTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Integral Arts Everett

    EIN 830781583 · Headquarters: Malden, MA, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  30. Integrate Foundation Boston Corp

    EIN 853689420 · Headquarters: WESTWOOD, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Integrated Center for Group Medical Visits

    EIN 834130457 · Headquarters: Lawrence, Massachusetts, United States · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Integrated Heritage Project Inc

    EIN 473517827 · Headquarters: Somerville, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  33. Integrative Health Solutions Foundation Inc

    EIN 453831582 · Headquarters: WOBURN, MA, USA · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  34. Integrative Medicine Fund

    EIN 263405536 · Headquarters: Charlton, MA, US · Health Care · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. IntegriHome Inc

    EIN 994258916 · Headquarters: Pittsfield, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. IntegriNurse Inc

    EIN 261446630 · Headquarters: Pittsfield, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. IntegriScript Inc

    EIN 271465523 · Headquarters: Pittsfield, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Integritus Healthcare Inc Formerly Berkshire Healthcare Systems

    EIN 043030633 · Headquarters: Pittsfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Integritus Healthcare Mgmt Services Inc Formerly BHCS Management Services Inc

    EIN 043031987 · Headquarters: Pittsfield, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Integrity Care Resources

    EIN 871386156 · Headquarters: FLORENCE, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Integrity Human Services Inc

    EIN 371530267 · Headquarters: Milton, MA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  42. Integrity Initiatives International Inc

    EIN 861214199 · Headquarters: Boston, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Integrity Martial Arts Competition Team Inc

    EIN 464005963 · Headquarters: Hyannis, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  44. Intellect News Society Inc

    EIN 260856147 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  45. Intellectual Property Institute Inc

    EIN 464630127 · Headquarters: NORTHBOROUGH, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Intellectuals League Inc

    EIN 934541075 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Intelligent Transportation Society of Massachusetts Inc

    EIN 043301290 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  48. Intenational Front Runners Inc

    EIN 852795629 · Headquarters: Newburyport, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Intend Health Strategies Inc

    EIN 272952793 · Headquarters: DEDHAM, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Intentions Agile Ministry

    EIN 365021017 · Headquarters: Whitinsville, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  51. Inter Church Council Pastoral Care and C

    EIN 042613037 · Headquarters: New Bedford, MA, USA · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  52. Inter-church Council of Greater New Bedfordinc

    EIN 042171191 · Headquarters: NEW BEDFORD, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Interact Inc

    EIN 272947576 · Headquarters: SWAMPSCOTT, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Interaction Institute

    EIN 942928341 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Interactive Democracy Alliance Inc

    EIN 270200640 · Headquarters: Cambridge, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Interactive Financial Exchange Forum Inc

    EIN 541964448 · Headquarters: Wakefield, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  57. Interamerican Foundation for Clinical Research Inc

    EIN 208066030 · Headquarters: Rehoboth, MA, US · Medical Research · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  58. Interartive Inc

    EIN 831529351 · Headquarters: MARSHFIELD, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. Interchurch Council Elderly Housing Inc

    EIN 042800801 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  60. Intercollegiate Rowing Assoc Inc

    EIN 850621591 · Headquarters: MARSHFIELD, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Intercollegiate Vietnamese Student Association of New England

    EIN 472168874 · Headquarters: Dorchester, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Intercollegiate Womens Lacrosse Coaches Association Inc

    EIN 522091373 · Headquarters: NORTHBOROUGH, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Intercomm Enterpriese USA Inc

    EIN 043580899 · Headquarters: Boston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  64. Intercontinental Science Foundation

    EIN 263042138 · Headquarters: Burlington, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Intercultural Center for Research in Education Inc

    EIN 043108268 · Headquarters: WOBURN, MA, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  66. Intercultural Dimensions Inc

    EIN 043202612 · Headquarters: CAMBRIDGE, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Intercultural Nursing Inc

    EIN 020460083 · Headquarters: Hyde Park, MA, US · Health Care · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  68. Interdenominational Church Ushers Association of New England Inc

    EIN 042730271 · Headquarters: DORCHESTER CTR, MA, US · Religion Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  69. Interdisciplinary Biblical Research Institute

    EIN 232137524 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Interdisciplinary Environmental Associat C/o Dr Demetri Kantarelis

    EIN 812804603 · Headquarters: WORCESTER, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Interface Precision Benchworks Inc

    EIN 042857147 · Headquarters: ORANGE, MA, USA · Employment · Latest available filing year: 2017 · Primary form: IRS Form 990

  72. Interfaith Council of Franklin County Inc

    EIN 043071439 · Headquarters: Deerfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Interfaith Homes of Longmeadow Inc

    EIN 042604555 · Headquarters: LONGMEADOW, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Interfaith Homes of Longmeadow Phase Two Inc

    EIN 222474763 · Headquarters: LONGMEADOW, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Interfaith Housing Corporation of Amherst

    EIN 042753665 · Headquarters: Amherst, MA, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  76. Interfaith Social Services

    EIN 042104853 · Headquarters: Quincy, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Interfaithways

    EIN 142011421 · Headquarters: NEWTON, MA, USA · Religion Related · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  78. Interfase

    EIN 141846423 · Headquarters: Concord, MA, US · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  79. Interhelp Inc

    EIN 222570333 · Headquarters: Watertown, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Interim House Inc

    EIN 237167696 · Headquarters: DORCHESTER, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Interise Inc

    EIN 263011769 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990

  82. Interlock Media Inc

    EIN 043196958 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2013 · Primary form: IRS Form 990-EZ

  83. Internaitonal Association of Fire Fighters

    EIN 043343408 · Headquarters: HALIFAX, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  84. Internal Revenue Services Cpas Association

    EIN 042652480 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  85. International 145 Shkola Foundation

    EIN 202724173 · Headquarters: BEDFORD, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  86. International 210 Association Inc

    EIN 042776106 · Headquarters: Hingham, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. International Academic Program Inc

    EIN 465669697 · Headquarters: Cambridge, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. International Academy of Periodontology Inc

    EIN 464399692 · Headquarters: CAMBRIDGE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990

  89. International Aid for Children Inc

    EIN 260528140 · Headquarters: Winchester, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  90. International Alliance for Diabetes Action Inc

    EIN 873739369 · Headquarters: Boston, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. International Alliance for the Advancement of Scottish Roots Musi

    EIN 453751105 · Headquarters: Newton, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  92. International Alliance of Adoptive Families Inc

    EIN 273609579 · Headquarters: Roslindale, MA, US · Human Services · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  93. International Alliance of Theatrical Stage Employees & Moving Picture M 792

    EIN 911836686 · Headquarters: PLYMOUTH, MA, USA · Employment · Latest available filing year: 2010 · Primary form: IRS Form 990-EZ

  94. International Alliance of Theatrical Stage Employees Local 11 Building Corp

    EIN 991699982 · Headquarters: SOUTH BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. International Alliance of Theatrical Stage Employees Local 53

    EIN 046168844 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  96. International Alliance Theatrical Stage Employees & Moving Picture M

    EIN 043153584 · Headquarters: SALEM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. International Alliance Theatrical Stage Employees & Moving Picture M

    EIN 455383637 · Headquarters: South Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. International Alliance Theatrical Stage Employees & Moving Picture M Local Union

    EIN 046114712 · Headquarters: NORTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. International Alliance Theatrical Stage Employees & Moving Pictures

    EIN 043074105 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. International Alliance Theatrical Stg Emp & Mov Pict Oper of USA

    EIN 046112859 · Headquarters: North Adams, MA, US · Employment · Latest available filing year: 2014 · Primary form: IRS Form 990-N

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