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. Confrerie De La Chaine Des Rotisseurs Cne

    EIN 261705545 · Headquarters: WEBSTER, MA, US · Recreation & Sports · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  2. Congenital Heart Surgeons' Society

    EIN 200198863 · Headquarters: BEVERLY, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. Congo Medical Relief Inc

    EIN 264555754 · Headquarters: Dorchester, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  4. Congo River Capital

    EIN 991666607 · Headquarters: BOSTON, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Congolese American Women Empowerment and Leadership

    EIN 821788504 · Headquarters: Brockton, MA, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Congolese Community of Worcester County

    EIN 845021785 · Headquarters: Worcester, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Congolese Development Center Inc

    EIN 141978664 · Headquarters: LYNN, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  8. Congolese Genocide Awareness

    EIN 453093232 · Headquarters: Everett, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  9. Congregacion Maranatha Inc

    EIN 721530219 · Headquarters: UXBRIDGE, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Congregacion Renacer

    EIN 271267495 · Headquarters: Gloucester, MA, USA · Religion Related · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  11. Congregation Atereth Israel Cemetery Association

    EIN 043214166 · Headquarters: Brighton, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. Congregation Beth-el of Fall River Special Project Fund

    EIN 043100103 · Headquarters: FALL RIVER, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Congregational Retirement Homes Ii Inc

    EIN 237234527 · Headquarters: MELROSE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Congregational Retirement Homes Iii Inc

    EIN 042628372 · Headquarters: MELROSE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Congregational Retirement Homes Inc

    EIN 042436874 · Headquarters: MELROSE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  16. Conine Family Foundation C/o Paul Mccoy Family Office Svcs

    EIN 815313933 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  17. Conjecture Institute

    EIN 993303026 · Headquarters: Florence, MA, USA · Social Science · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Conn Valley Mineral Club

    EIN 046058668 · Headquarters: SOUTH HADLEY, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  19. Connect 2 Success

    EIN 882070337 · Headquarters: BOSTON, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  20. Connect Africa Foundation Inc

    EIN 371496337 · Headquarters: NEWTON CENTER, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. Connect for Cure Inc

    EIN 300752398 · Headquarters: MARLBOROUGH, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  22. Connect the Tots Inc

    EIN 453810577 · Headquarters: Reading, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. Connect Tutors Inc

    EIN 862079542 · Headquarters: Newton, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  24. Connect-usaltwheels Inc

    EIN 204573397 · Headquarters: CAMBRIDGE, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. Connect2uplift Inc

    EIN 844683935 · Headquarters: Amesbury, MA, US · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  26. Connected Care of Southeastern Massachusetts Inc

    EIN 823503666 · Headquarters: SOUTH WEYMOUTH, MA, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  27. Connected Communities Foundation Inc

    EIN 931721825 · Headquarters: BOSTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  28. Connected Community Inc

    EIN 825515622 · Headquarters: FRAMINGHAM, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Connected for Life Inc

    EIN 811415511 · Headquarters: NEEDHAM, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  30. Connected Futures Inc

    EIN 203832059 · Headquarters: Cambridge, MA, US · Education · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  31. Connected Media Experience Inc

    EIN 271481910 · Headquarters: Wakefield, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  32. Connecticut Association of Public Insurance Adjusters Inc

    EIN 271230612 · Headquarters: BILLERICA, MA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Connecticut Dairy Industry Council Inc

    EIN 273519838 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Connecticut Education Association

    EIN 237106758 · Headquarters: Sturbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Connecticut Health I-team Inc

    EIN 461068891 · Headquarters: Nantucket, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Connecticut Insurance Guaranty Association

    EIN 237204066 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  37. Connecticut Library Association Inc

    EIN 060853589 · Headquarters: BELCHERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Connecticut Mutual Life Insurance Co Voluntary Employee Health

    EIN 061128889 · Headquarters: Springfield, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  39. Connecticut Organization of Neonatal Nurses Inc

    EIN 030427201 · Headquarters: Springfield, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  40. Connecticut Peer Review Organization in Qualidigm

    EIN 222484567 · Headquarters: FOXBORO, MA, USA · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990

  41. Connecticut Podiatric Medical Association Foundation Inc

    EIN 822717767 · Headquarters: SPRINGFIELD, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Connecticut Railroad Association

    EIN 043513011 · Headquarters: Holland, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Connecticut River Valley Golden Retrievers Club Inc

    EIN 061389981 · Headquarters: Westfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Connecticut River Watershed Council Inc

    EIN 042148397 · Headquarters: GREENFIELD, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  45. Connecticut River Watershed Council of Connecticut Inc

    EIN 237042170 · Headquarters: GREENFIELD, MA, US · Environment · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  46. Connecticut State Grange Patrons of Husbandry

    EIN 020348819 · Headquarters: Wilmington, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  47. Connecticut Valley Region of Veteran Motor Car Club of America

    EIN 042949640 · Headquarters: Amherst, MA, US · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  48. Connecticut Valley Superintendents Service Center Inc

    EIN 237213022 · Headquarters: Northampton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Connecticut Water Environment Association Inc

    EIN 060936503 · Headquarters: WOBURN, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Connecticut Yankee Atomic Power Company Employee Welfare Trust

    EIN 066398459 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Connecticut Yankee Dachund Club

    EIN 222582525 · Headquarters: UXBRIDGE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Connecting Canvases

    EIN 412836025 · Headquarters: MEDFIELD, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Connecting Hearts Incorporated

    EIN 043814806 · Headquarters: East Orleans, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  54. Connecting Pieces

    EIN 933187630 · Headquarters: Lawrence, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Connecting the Dots-Dream Garment Inc

    EIN 813241387 · Headquarters: Fairhaven, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  56. Connections Center Inc

    EIN 844742456 · Headquarters: WOBURN, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  57. Connections Community Church

    EIN 834204149 · Headquarters: OXFORD, MA, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. Connections Program Inc

    EIN 043412706 · Headquarters: Marblehead, MA, US · Housing & Shelter · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  59. Connective Inc

    EIN 475129667 · Headquarters: OAK BLUFFS, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  60. Connective Tissue Coalition Inc

    EIN 881358619 · Headquarters: WINTHROP, MA, USA · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. Connextgen

    EIN 933005737 · Headquarters: Upton, MA, US · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  62. Connie Spear Birnbaum Foundation Jewish Unity Through Education Inc

    EIN 921338104 · Headquarters: Newton, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Connolly Family Foundation

    EIN 043367902 · Headquarters: CONCORD, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-PF

  64. Connor Donovan Memorial Fund Inc

    EIN 882517747 · Headquarters: CARVER, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  65. Connor's Kindness Project Inc

    EIN 871384835 · Headquarters: LYNNFIELD, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Conomo Point Assoc Inc

    EIN 043291874 · Headquarters: Essex, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Conquer Cancer Coalition of Massachusetts Inc

    EIN 201953571 · Headquarters: FRAMINGHAM, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Conquering Congenital Heart Disease

    EIN 852374571 · Headquarters: Medway, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  69. Conscious Capitalism Boston Inc

    EIN 814331997 · Headquarters: NEWTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Consensus Building Institute Inc

    EIN 043186073 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Consequence Magazine Inc

    EIN 270727456 · Headquarters: Hull, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Conservacion Panama Inc

    EIN 463247597 · Headquarters: Greenfield, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Conservation Food and Health Foundation Inc C/o Gma Foundations

    EIN 222625024 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Conservation Futures Africa Inc

    EIN 822246804 · Headquarters: Auburn, MA, US · Animal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Conservation Law Foundation

    EIN 046149986 · Headquarters: Boston, MA, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Conservation of African Nature Foundation

    EIN 872284043 · Headquarters: CONCORD, MA, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  77. Conservation Through Poverty Alleviation International Inc

    EIN 870713649 · Headquarters: SOMERVILLE, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Conservatory Lab Foundation Inc

    EIN 043443578 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Consider the Children Divorce Education Inc

    EIN 223235376 · Headquarters: HOPKINTON, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  80. Consider-the Garden Inc

    EIN 611658337 · Headquarters: Williamsburg, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Consigli Foundation Inc

    EIN 264214235 · Headquarters: MILFORD, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  82. Console Inc

    EIN 934555767 · Headquarters: East Bridgewater, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. ConSone Academy Inc

    EIN 263544775 · Headquarters: Hamilton, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  84. Consorcio Justicia Inc

    EIN 204729453 · Headquarters: Wayland, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  85. Consortium for African Health

    EIN 850713997 · Headquarters: Lowell, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  86. Consortium for Energy Efficiency Inc

    EIN 680257528 · Headquarters: MIDDLETON, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Consortium for Mathematics and Its Applications Inc

    EIN 042721935 · Headquarters: BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Consortium for Top-down Proteomics

    EIN 833404154 · Headquarters: Cambridge, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. Consortium of Universities for the Advancement of Hydrologic Science Inc

    EIN 522326356 · Headquarters: ARLINGTON, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Constance a and George L Noble Family Foundation Inc

    EIN 943459041 · Headquarters: WELLESLEY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  91. Constance O Putnam Foundation

    EIN 046767748 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Constanza Medical Mission

    EIN 272894665 · Headquarters: WHITMAN, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. Constellation Center Inc

    EIN 270031381 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  94. Constellation Charitable Foundation

    EIN 043584076 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  95. Constellation Festivals Inc

    EIN 331256293 · Headquarters: TYNGSBORO, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Constellation School of Music Inc

    EIN 831015819 · Headquarters: Roslindale, MA, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Constitution Yacht Club

    EIN 042904093 · Headquarters: Charlestown, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  98. Construct Inc

    EIN 237099108 · Headquarters: GREAT BARRINGTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Construction & General Laborers' Union of Na Local 385

    EIN 041903033 · Headquarters: FAIRHAVEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  100. Construction Equipment Maintenance Association

    EIN 042740536 · Headquarters: Westport, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

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