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. Massachusetts Association Of

    EIN 203604373 · Headquarters: HOLDEN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2012 · Primary form: IRS Form 990-EZ

  2. Massachusetts Association of Advanced Practice Psychiatric Nurses

    EIN 042996464 · Headquarters: Walpole, MA, USA · Health Care · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  3. Massachusetts Association of Agricultural Commissions Inc

    EIN 452826299 · Headquarters: Boxford, MA, US · Food, Agriculture & Nutrition · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  4. Massachusetts Association of Ambulatory Surgery Centers Inc

    EIN 043173779 · Headquarters: WALTHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Massachusetts Association of Assessing Officers Inc

    EIN 042709997 · Headquarters: SHREWSBURY, MA, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  6. Massachusetts Association of Auto Theft Arson Investigators Inc

    EIN 223082962 · Headquarters: Worcester, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  7. Massachusetts Association of Behavioral Health Systems

    EIN 043056868 · Headquarters: Belmont, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  8. Massachusetts Association of Buyer Agents Inc

    EIN 043204728 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Massachusetts Association of Campground Owners Inc

    EIN 042800860 · Headquarters: SUTTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  10. Massachusetts Association of Cardiovas Cular & Pulmonary Rehabilitation Inc

    EIN 043013181 · Headquarters: NORTH ATTLEBORO, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Massachusetts Association of Chamber of Commerce Executives Inc

    EIN 113645000 · Headquarters: Norwood, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Massachusetts Association of College and University Reading Edu

    EIN 883772094 · Headquarters: EAST FREETOWN, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Massachusetts Association of Colleges for Teacher

    EIN 043385927 · Headquarters: AMHERST, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Massachusetts Association of Community Development Corporation

    EIN 042759909 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  15. Massachusetts Association of Community Health Inc

    EIN 043535724 · Headquarters: Boston, MA, US · Health Care · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. Massachusetts Association of Community Partnerships for Childre

    EIN 201624896 · Headquarters: Oxford, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  17. Massachusetts Association of Conservatio

    EIN 043041642 · Headquarters: WESTFORD, MA, USA · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990

  18. Massachusetts Association of Conservation Commissions Inc

    EIN 237274677 · Headquarters: BELMONT, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  19. Massachusetts Association of Contributory Retirement Systemsinc

    EIN 237411603 · Headquarters: SPRINGFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  20. Massachusetts Association of Cosmetology Schools Inc

    EIN 043075418 · Headquarters: Malden, MA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  21. Massachusetts Association of Council on Aging and Senior Center Directors Inc

    EIN 042793624 · Headquarters: FRANKLIN, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  22. Massachusetts Association of Criminal Justice Education Corp

    EIN 461635133 · Headquarters: FITCHBURG, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  23. Massachusetts Association of Day Care Agencies

    EIN 042774227 · Headquarters: Worcester, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  24. Massachusetts Association of Electrologists

    EIN 042580672 · Headquarters: SOMERSET, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Massachusetts Association of Future Farm

    EIN 043130486 · Headquarters: DIGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Massachusetts Association of Guardians Ad Litem Inc

    EIN 043198386 · Headquarters: Milford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Massachusetts Association of Haitian Parents Inc

    EIN 873851035 · Headquarters: Mattapan, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  28. Massachusetts Association of Hazard Material Technicians Inc

    EIN 043250894 · Headquarters: RANDOLPH, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  29. Massachusetts Association of Health Boards Inc

    EIN 042774252 · Headquarters: WELLESLEY HILLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. Massachusetts Association of Health Plans Inc

    EIN 222518016 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Massachusetts Association of Housing Cooperatives Inc

    EIN 465134585 · Headquarters: Boston, MA, US · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Massachusetts Association of Infant Mental Health

    EIN 270181615 · Headquarters: NORTHAMPTON, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Massachusetts Association of Information and Referral Services

    EIN 042759970 · Headquarters: Framingham, MA, US · Human Services · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  34. Massachusetts Association of Insurance Agents Inc

    EIN 043172159 · Headquarters: MILFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Massachusetts Association of Insurance Women

    EIN 046118518 · Headquarters: BILLERICA, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Massachusetts Association of Interdenominational Wives And

    EIN 043123474 · Headquarters: Hyde Park, MA, US · Religion Related · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  37. Massachusetts Association of Investment Advisors

    EIN 822942211 · Headquarters: BOSTON, MA, US · Public & Societal Benefit · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. Massachusetts Association of Italian American Police Officers Inc

    EIN 042921583 · Headquarters: BURLINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  39. Massachusetts Association of Land Surveyors & Civil Engineers Inc

    EIN 042616384 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Massachusetts Association of Landscape Professionals Inc

    EIN 042591662 · Headquarters: MEDFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. Massachusetts Association of Lawn Care Professionals Inc

    EIN 043081084 · Headquarters: STOW, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. Massachusetts Association of Medical Staff Services

    EIN 923376695 · Headquarters: Dedham, MA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Massachusetts Association of Ministers Wives and Ministers Wido

    EIN 922179931 · Headquarters: Springfield, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Massachusetts Association of Minority Law Enforcement Officers

    EIN 042777290 · Headquarters: DORCHESTER, MA, USA · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Massachusetts Association of Occupational Health Nurses Incorpo

    EIN 042606262 · Headquarters: Auburn, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  46. Massachusetts Association of Pastoral Counselors Inc

    EIN 743218743 · Headquarters: Tewksbury, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  47. Massachusetts Association of Personnel Services Inc

    EIN 823377022 · Headquarters: SOUTH BOSTON, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  48. Massachusetts Association of Physician Associates Inc

    EIN 046382689 · Headquarters: Westford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Massachusetts Association of Planning Directors Inc

    EIN 223010852 · Headquarters: Mansfield, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  50. Massachusetts Association of Practicing Urologists Inc

    EIN 900015633 · Headquarters: WALTHAM, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  51. Massachusetts Association of Realtors Inc

    EIN 041591030 · Headquarters: FOXBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Massachusetts Association of Realtors Inc Charitable Foundation

    EIN 223148563 · Headquarters: FOXBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Massachusetts Association of Reflexology

    EIN 273415943 · Headquarters: Taunton, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Massachusetts Association of Regional Transit Authorities

    EIN 043020337 · Headquarters: EDGARTOWN, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990

  55. Massachusetts Association of Residential Care Homes

    EIN 043176140 · Headquarters: Woburn, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Massachusetts Association of Responsible Retainer Medicine Inc

    EIN 201126197 · Headquarters: CHESTNUT HILL, MA, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  57. Massachusetts Association of Rsvp Directors Inc

    EIN 042879901 · Headquarters: FALL RIVER, MA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  58. Massachusetts Association of School Committees Inc

    EIN 042214848 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Massachusetts Association of School Personnel Administrators

    EIN 800686005 · Headquarters: Waltham, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. Massachusetts Association of School Superintendents Inc

    EIN 042518540 · Headquarters: BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Massachusetts Association of School-based Health Care Inc

    EIN 043527138 · Headquarters: BOSTON, MA, US · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  62. Massachusetts Association of Science Supervisors

    EIN 042592065 · Headquarters: MARLBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  63. Massachusetts Association of Science Teachers Inc

    EIN 237304290 · Headquarters: GOSHEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  64. Massachusetts Association of Self- Imsurors Inc

    EIN 043164010 · Headquarters: Danvers, MA, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  65. Massachusetts Association of Sewage Pumping Contractors Inc

    EIN 042772311 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  66. Massachusetts Association of Student Financial Aid Administrator

    EIN 042792003 · Headquarters: AUBURNDALE, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Massachusetts Association of Student Investment Clubs Masic Inc

    EIN 393276522 · Headquarters: Marshfield, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Massachusetts Association of Teachers of Speakers

    EIN 043581597 · Headquarters: Cambridge, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  69. Massachusetts Association of Technical Rescue Specialist Incorporated

    EIN 844554168 · Headquarters: SUTTON, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Massachusetts Association of Vocational Admin Inc

    EIN 223007752 · Headquarters: Marlborough, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Massachusetts Association of Women in Law Enforcement Inc

    EIN 510511652 · Headquarters: Boston, MA, USA · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-EZ

  72. Massachusetts Associations of Orthodontists

    EIN 800651368 · Headquarters: STOUGHTON, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Massachusetts Attorneys Title Group Inc

    EIN 262882545 · Headquarters: BEVERLY, MA, USA · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990

  74. Massachusetts Audubon Society Inc

    EIN 042104702 · Headquarters: LINCOLN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Massachusetts Badminton Association

    EIN 043326259 · Headquarters: Quincy, MA, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Massachusetts Bail Fund

    EIN 824924766 · Headquarters: Dorchester, MA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Massachusetts Bank Internal Auditors

    EIN 461540128 · Headquarters: Hyannis, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Massachusetts Banker Association Group Insurance Trust

    EIN 042628271 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  79. Massachusetts Bankers Association Charitable Foundation Inc

    EIN 043325424 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  80. Massachusetts Bankers Association Inc

    EIN 041589780 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Massachusetts Bankers Association Scholarship Foundation

    EIN 043460557 · Headquarters: BOSTON, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  82. Massachusetts Baptist Deacons & Deaconess Association

    EIN 383915674 · Headquarters: BROCKTON, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Massachusetts Baptist Multicultural Ministries

    EIN 272782979 · Headquarters: LOWELL, MA, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Massachusetts Bar Association

    EIN 041589785 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  85. Massachusetts Bar Foundation Inc

    EIN 046130261 · Headquarters: Boston, MA, USA · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Massachusetts Bar Institute Inc

    EIN 043293798 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Massachusetts Baseball Coaches Association Inc

    EIN 043579595 · Headquarters: Malden, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Massachusetts Bass Federation Inc

    EIN 043427884 · Headquarters: NEW BEDFORD, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  89. Massachusetts Bay Community College Foundation Inc

    EIN 222581930 · Headquarters: Wellesley HILLS, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Massachusetts Bay Council Navy League of the United States Inc

    EIN 042783171 · Headquarters: WELLESLEY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Massachusetts Bay Harbor Safety Committee Inc

    EIN 464206958 · Headquarters: Charlestown, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Massachusetts Bay Health Care Trust Fund

    EIN 043235427 · Headquarters: LEXINGTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  93. Massachusetts Bay Marlins Inc

    EIN 043427040 · Headquarters: Boston, MA, USA · Youth Development · Latest available filing year: 2011 · Primary form: IRS Form 990

  94. Massachusetts Bay Organization Development Learning Group

    EIN 471481627 · Headquarters: West Roxbury, MA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  95. Massachusetts Bay Railroad Enthusiasts Inc

    EIN 237243300 · Headquarters: Andover, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Massachusetts Bay Sailing Association Inc

    EIN 043261777 · Headquarters: Hingham, MA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. Massachusetts Bay Sailing League

    EIN 300071894 · Headquarters: SHARON, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Massachusetts Bay Victory Riders Incorporated

    EIN 811498610 · Headquarters: Norfolk, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Massachusetts Baykeeper

    EIN 453414361 · Headquarters: WATERTOWN, MA, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  100. Massachusetts Beach Buggy Association Inc

    EIN 046113094 · Headquarters: MANSFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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