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. On Stage Inc

    EIN 043015101 · Headquarters: Newburyport, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. On Stage Theatrical Productions Inc

    EIN 043435309 · Headquarters: FALL RIVER, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  3. On the Ground in Burundi

    EIN 452867027 · Headquarters: BEVERLY, MA, US · Youth Development · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  4. On the Isle Corporation

    EIN 753131705 · Headquarters: SIASCONSET, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. On The Move Inc

    EIN 371782977 · Headquarters: Methuen, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  6. On the Rise Inc

    EIN 043290689 · Headquarters: CAMBRIDGE, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  7. On the Threshold Inc

    EIN 223086438 · Headquarters: Peabody, MA, US · Human Services · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  8. On with Living and Learning Inc

    EIN 043562307 · Headquarters: boston, MA, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. ON-THE-JOB-INC C/O Boston Rescue Mission

    EIN 043425142 · Headquarters: Boston, MA, USA · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  10. Onaya Science

    EIN 332036719 · Headquarters: Millbury, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Oncart Inc

    EIN 815086403 · Headquarters: Boston, MA, USA · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  12. One 4 the Road Inc

    EIN 814836321 · Headquarters: UXBRIDGE, MA, US · Human Services · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. One Ames Hill Corp Fka the Macduffie School

    EIN 042104683 · Headquarters: SPRINGFIELD, MA, USA · Education · Latest available filing year: 2013 · Primary form: IRS Form 990

  14. One Billion Literates Foundation USA

    EIN 862797911 · Headquarters: Chestnut Hill, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  15. One Bookshelf Inc

    EIN 862108045 · Headquarters: Needham, MA, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. One Bread

    EIN 462737995 · Headquarters: Medway, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. One by One Inc

    EIN 043283345 · Headquarters: STOUGHTON, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  18. One Call Away Inc

    EIN 811516977 · Headquarters: Southwick, MA, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  19. One Can Help Inc

    EIN 204281579 · Headquarters: NEWTON, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. One Caucasus Inc

    EIN 881064294 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. One Child One Smile Inc

    EIN 811073839 · Headquarters: danvers, MA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. One Coalition Inc

    EIN 842789391 · Headquarters: Boston, MA, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  23. One Common Heart Inc

    EIN 475559038 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. One Commonwealth Inc

    EIN 992551833 · Headquarters: Dedham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. One Dance Incorporated

    EIN 820926639 · Headquarters: Boston, MA, US · Arts, Culture & Humanities · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  26. One Day Boston Inc

    EIN 814310738 · Headquarters: Jamaica Plain, MA, US · Employment · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  27. One Dream

    EIN 831095509 · Headquarters: W BRIDGEWATER, MA, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  28. One Fair Wage Inc

    EIN 850692228 · Headquarters: CAMBRIDGE, MA, USA · Civil Rights, Social Action & Advocacy · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. One Family at a Time Inc

    EIN 992778748 · Headquarters: Canton, MA, US · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  30. One Family Inc

    EIN 542076936 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. One for Health Foundation Inc

    EIN 454528633 · Headquarters: MILFORD, MA, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. One for the Vets Inc

    EIN 830518719 · Headquarters: Weymouth, MA, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  33. One for You - One for Her

    EIN 273476872 · Headquarters: Woburn, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  34. One Giant Leap Inc

    EIN 263293488 · Headquarters: Sandwich, MA, USA · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. One Goal Family

    EIN 393158433 · Headquarters: Boylston, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. One Hand Initiative Corporation

    EIN 992561332 · Headquarters: Vineyard Haven, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. One Harvard Street Institute of Hea

    EIN 822755827 · Headquarters: Brookline, MA, USA · Medical Research · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  38. One Health Stroke Awareness Inc

    EIN 831636831 · Headquarters: Boston, MA, US · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  39. One Heart Zen

    EIN 455118827 · Headquarters: Somerville, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. One Hive Foundation

    EIN 920684940 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  41. One in a Billion Productions Inc

    EIN 821286728 · Headquarters: CAMBRIDGE, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. One Last Gift Foundation

    EIN 884142792 · Headquarters: FITCHBURG, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. One Leg Up Inc

    EIN 474908076 · Headquarters: North Attleboro, MA, USA · Public & Societal Benefit · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  44. One Life at a Time Inc

    EIN 208101668 · Headquarters: BRAINTREE, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  45. One Life Foundation Inc

    EIN 261524748 · Headquarters: LEXINGTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  46. One Life Project Inc

    EIN 824221920 · Headquarters: Erving, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. One Little Light

    EIN 842490814 · Headquarters: Beverly, MA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  48. One Love All Children

    EIN 474852465 · Headquarters: SOUTH DARTMOUTH, MA, US · Religion Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  49. One Love Sports Academy

    EIN 822927123 · Headquarters: Boston, MA, USA · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  50. One Lowell Corporation

    EIN 061782716 · Headquarters: LOWELL, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  51. One Million Solutions in Health

    EIN 471833975 · Headquarters: Brighton, MA, US · Medical Research · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  52. One Mission Inc

    EIN 263741880 · Headquarters: NEWTON, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. One Nation Every Vote Inc

    EIN 833320611 · Headquarters: Somerville, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. One Native Nation Foundation Inc

    EIN 270592502 · Headquarters: ROWLEY, MA, USA · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  55. One Night Out Inc

    EIN 474332846 · Headquarters: Wellesley Hills, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. One of 100 Inc

    EIN 921675095 · Headquarters: Dorchester, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. One Ohana Inc

    EIN 825092118 · Headquarters: Chicopee, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. One Patient One Cure

    EIN 334543931 · Headquarters: Boston, MA, US · Medical Research · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. One Penny

    EIN 275447596 · Headquarters: Wrentham, MA, US · Medical Research · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  60. One Penny Per Mile

    EIN 421725603 · Headquarters: Needham, MA, US · Environment · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  61. One Per Cent a Peace Army Ltd

    EIN 043360236 · Headquarters: cambridge, MA, US · Public & Societal Benefit · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  62. One Percent Club Youth Sports Organization

    EIN 883084870 · Headquarters: West Boylston, MA, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  63. One Percent for America Inc

    EIN 862813192 · Headquarters: BOSTON, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. One Plympton Preservation Foundation Inc

    EIN 843058470 · Headquarters: Cambridge, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990

  65. One Punch at a Time

    EIN 831491073 · Headquarters: Dorchester, MA, US · Recreation & Sports · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  66. One Rare Inc

    EIN 842137402 · Headquarters: West Roxbury, MA, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. One Roof Inc

    EIN 870935269 · Headquarters: FLORENCE, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. One Shared Spirit Inc

    EIN 862943644 · Headquarters: Mashpee, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  69. One Small World

    EIN 842240874 · Headquarters: Boston, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. One Soldier at a Time Inc

    EIN 262689771 · Headquarters: Boylston, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. One SouthCoast Chamber Inc

    EIN 843311136 · Headquarters: Fall River, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  72. One Spirit Foundation

    EIN 831993968 · Headquarters: SUDBURY, MA, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  73. One Square World Inc

    EIN 471694472 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  74. One Stage Productions Inc

    EIN 452600378 · Headquarters: Belmont, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. One Step Forward Education Foundation Robert G Bannish Clerk

    EIN 271533374 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  76. One Stop to Fabulous

    EIN 811717103 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. One Summit Inc

    EIN 474659654 · Headquarters: North Andover, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. One Tail at a Time Rescue Inc

    EIN 260257695 · Headquarters: Haverhill, MA, US · Animal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  79. One Thousand Southern Artery Senior Citizens Center Inc

    EIN 046145423 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  80. One to Four Rehabilitation Corporation

    EIN 043279485 · Headquarters: JAMAICA PLAIN, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. One Tribe

    EIN 861643312 · Headquarters: DRACUT, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. One Unified Team Inc

    EIN 991937840 · Headquarters: Quincy, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  83. One with One Inc

    EIN 222479084 · Headquarters: SUDBURY, MA, USA · Education · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  84. One World Community Inc

    EIN 332348064 · Headquarters: Weston, MA, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. One World Cytometry Inc

    EIN 472970244 · Headquarters: West Newton, MA, US · Medical Research · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  86. One World Fund

    EIN 046485766 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  87. One World Strong Foundation Inc

    EIN 364868047 · Headquarters: NEWBURYPORT, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. One World Youth Project

    EIN 201487823 · Headquarters: Marston Mills, MA, USA · Youth Development · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  89. One Youth International Inc

    EIN 900349240 · Headquarters: Boston, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  90. One-four-three Foundation #95-651660

    EIN 476636571 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  91. One8 Foundation

    EIN 046836735 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  92. Oneholyoke Community Development Corp

    EIN 237168031 · Headquarters: HOLYOKE, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Onelax Spread the Love

    EIN 332861939 · Headquarters: MEDFIELD, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. Oneld Community Association Inc

    EIN 874038491 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Oneleaf Corp

    EIN 854048270 · Headquarters: WORCESTER, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. Onelebanon Inc Box for Health

    EIN 844835990 · Headquarters: BOSTON, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  97. Oneness Human Services Corp

    EIN 851227112 · Headquarters: Worcester, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Onetrack International

    EIN 831337429 · Headquarters: Dedham, MA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  99. Oneworld Classrooms Inc

    EIN 200776190 · Headquarters: Andover, MA, US · Human Services · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  100. Onexone

    EIN 261939025 · Headquarters: NEWTON, MA, USA · Human Services · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ

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