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. Merrimack Valley Youth Program Inc

    EIN 392241762 · Headquarters: Haverhill, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. Merrimackvolley Academy

    EIN 824571420 · Headquarters: Haverhill, MA, US · Recreation & Sports · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  3. Merrohawke Nature School Inc

    EIN 261462660 · Headquarters: Boxford, MA, USA · Education · Latest available filing year: 2023 · Primary form: IRS Form 990

  4. Merry Men Foundation

    EIN 873574141 · Headquarters: QUINCY, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  5. Merry Mixers Inc

    EIN 311663005 · Headquarters: Marblehead, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  6. Merry-go-round Nursery School

    EIN 042899624 · Headquarters: MEDFORD, MA, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Merrylegs Charitable Literary Tr

    EIN 046908927 · Headquarters: South Dartmouth, MA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  8. Merrymount Association Inc

    EIN 046115181 · Headquarters: Quincy, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  9. Meru Education Foundation

    EIN 450475634 · Headquarters: Lexington, MA, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Merwin Memorial Free Clinic for Animals Inc

    EIN 042121362 · Headquarters: ALLSTON, MA, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  11. Meryls Safe Haven Inc

    EIN 921498053 · Headquarters: WORCESTER, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  12. Mesoamerican Development Institute Corporation

    EIN 043258077 · Headquarters: Upton, MA, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Message of the Master Inc

    EIN 260780206 · Headquarters: HOPKINTON, MA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Message on a Bottle Inc

    EIN 043577608 · Headquarters: Boston, MA, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  15. Messages De Vie Mission Evangelique Vases Dhonneur

    EIN 873008247 · Headquarters: PITTSFIELD, MA, US · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Messiah Ministries International Inc

    EIN 043336395 · Headquarters: Clinton, MA, US · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  17. Messier Family Foundation at Cory Island Inc

    EIN 043240567 · Headquarters: WESTPORT, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Messinger Family Foundation Inc

    EIN 133979672 · Headquarters: STOCKBRIDGE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  19. Meta Holding Foundation

    EIN 823720163 · Headquarters: BOSTON, MA, US · Science & Technology · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  20. Meta-data Professional Organization Inc

    EIN 202856028 · Headquarters: Boston, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  21. Metacomet Greenway Association

    EIN 870882578 · Headquarters: Plainville, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Metacomet Land Trust Inc

    EIN 043020897 · Headquarters: FRANKLIN, MA, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990

  23. Metafold

    EIN 853528289 · Headquarters: Boston, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Metagov Inc

    EIN 853442527 · Headquarters: BOSTON, MA, USA · Science & Technology · Latest available filing year: 2023 · Primary form: IRS Form 990

  25. Metal Building Contractors & Erectors Association-NEC Inc

    EIN 364533948 · Headquarters: Wilbraham, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  26. Metalwerx Inc

    EIN 134261443 · Headquarters: Waltham, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. Metanoia Fund

    EIN 046668886 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. Metaphysical Lighthouse

    EIN 822193371 · Headquarters: Sturbridge, MA, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Metco College Scholarship Fund of Lexington

    EIN 237124093 · Headquarters: Lexington, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  30. Metco Directors Association Inc

    EIN 371574499 · Headquarters: MATTAPAN, MA, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990

  31. Methuen Administrators Association

    EIN 273943386 · Headquarters: Haverhill, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Methuen Arlington Neighborhood Inc

    EIN 043265830 · Headquarters: Methuen, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Methuen Athletic Improvement Committee Inc

    EIN 463674342 · Headquarters: Methuen, MA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Methuen Board of Trade Inc

    EIN 046066418 · Headquarters: METHUEN, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  35. Methuen Community Television Corp

    EIN 223467444 · Headquarters: METHUEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  36. Methuen Development Corporation

    EIN 043186424 · Headquarters: METHUEN, MA, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Methuen Education Association Inc

    EIN 394434953 · Headquarters: METHUEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  38. Methuen Festival of Trees Inc

    EIN 300136224 · Headquarters: METHUEN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Methuen Fire Fighters Local 1691

    EIN 237388209 · Headquarters: Methuen, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Methuen Garden Club Inc

    EIN 464456400 · Headquarters: Methuen, MA, US · Environment · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  41. Methuen Girls Softball Inc

    EIN 202380720 · Headquarters: METHUEN, MA, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  42. Methuen Historical Society Inc

    EIN 042715821 · Headquarters: METHUEN, MA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  43. Methuen Memorial Music Hall Inc

    EIN 026011075 · Headquarters: METHUEN, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Methuen Police Firefighters Retirees Association Inc

    EIN 043304658 · Headquarters: METHUEN, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Methuen Police Patrolmens Association

    EIN 237324626 · Headquarters: Methuen, MA, USA · Unknown & Unclassified · Latest available filing year: 2015 · Primary form: IRS Form 990

  46. Methuen Police Relief Association

    EIN 046109821 · Headquarters: METHUEN, MA, US · Crime & Legal Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  47. Methuen Police Superior Officers Association

    EIN 222512719 · Headquarters: METHUEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. Methuen Rail Trail Alliance Inc

    EIN 271299235 · Headquarters: METHUEN, MA, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Methuen Ranger Band Parents Association Inc

    EIN 550884099 · Headquarters: Methuen, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Methuen Rangers Athletic Assoc 4 Stoney Brook Rd

    EIN 510176442 · Headquarters: Methuen, MA, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  51. Methuen Rod & Gun Club Inc

    EIN 042500010 · Headquarters: Methuen, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Methuen Scholarship Foundation Inc

    EIN 464500729 · Headquarters: METHUEN, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  53. Methuen Senior Activity Center Inc

    EIN 042734331 · Headquarters: METHUEN, MA, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  54. Methuen Sepac Association

    EIN 300699671 · Headquarters: Methuen, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  55. Methuen Youth Baseball Association Inc

    EIN 043119276 · Headquarters: METHUEN, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Methuen Youth Basketball Association Inc

    EIN 043426731 · Headquarters: METHUEN, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  57. Methuen Youth Hockey Association Inc

    EIN 042621689 · Headquarters: METHUEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Methuen Youth Lacrosse League

    EIN 453849001 · Headquarters: Methuen, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Methuen Youth Soccer Assoc Inc

    EIN 042867665 · Headquarters: METHUEN, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  60. Methuen Youth Wrestling Club Inc

    EIN 464134062 · Headquarters: Methuen, MA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  61. Meti Project Inc

    EIN 462743718 · Headquarters: Cambridge, MA, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Metro Boston Alive Inc

    EIN 223064084 · Headquarters: ROXBURY, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  63. Metro Boston Sports Foundation Inc

    EIN 852631316 · Headquarters: Newton, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Metro Center Association Inc

    EIN 993268805 · Headquarters: SPRINGFIELD, MA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Metro Cobras Inc

    EIN 412655050 · Headquarters: Westborough, MA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Metro Community Development Corporation

    EIN 593765860 · Headquarters: Marlborough, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Metro Credit Union

    EIN 041695745 · Headquarters: CHELSEA, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Metro Credit Union Foundation Inc

    EIN 922114764 · Headquarters: CHELSEA, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  69. Metro Health Foundation of Massachusetts Inc

    EIN 582211053 · Headquarters: BRAINTREE, MA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  70. Metro Housing|Boston

    EIN 042775991 · Headquarters: Boston, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Metro North Childrens Learning Center Inc

    EIN 043491635 · Headquarters: Malden, MA, USA · Education · Latest available filing year: 2017 · Primary form: IRS Form 990

  72. Metro North Housing Corp

    EIN 474781061 · Headquarters: MALDEN, MA, USA · Housing & Shelter · Latest available filing year: 2023 · Primary form: IRS Form 990

  73. Metro North Regional Employment Board

    EIN 043279555 · Headquarters: Malden, MA, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Metro South Baseball Trust

    EIN 846421529 · Headquarters: Braintree, MA, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  75. Metro South Chamber of Commerce Foundation Inc

    EIN 043509266 · Headquarters: BROCKTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  76. Metro South Chamber of Commerce Inc

    EIN 041123000 · Headquarters: BROCKTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Metro South/West Workforce Board

    EIN 465204651 · Headquarters: Marlborough, MA, US · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Metro Stage Company

    EIN 261107638 · Headquarters: Jamaica Plain, MA, US · Arts, Culture & Humanities · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  79. Metro SWAT Officers Association Inc

    EIN 462987628 · Headquarters: Worcester, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  80. Metro West Awana Club

    EIN 842374676 · Headquarters: Marlborough, MA, US · Religion Related · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  81. Metro West Building Officials Association Inc

    EIN 300806114 · Headquarters: WESTBOROUGH, MA, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  82. Metro West Collaborative Development Inc

    EIN 223073668 · Headquarters: NEWTON, MA, USA · Housing & Shelter · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Metro West Harmony Chorus Chapter of Sweet Adelines International

    EIN 204723721 · Headquarters: Worcester, MA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  84. Metro West Intergroup of Overeaters Anonymous

    EIN 042910488 · Headquarters: Needham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Metro West Recovery Center Inc

    EIN 274649177 · Headquarters: Hopkinton, MA, US · Mental Health & Crisis Intervention · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  86. Metro West Writers Guild Inc

    EIN 873434630 · Headquarters: Marlborough, MA, USA · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Metrocommon Inc

    EIN 300221355 · Headquarters: BOSTON, MA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Metrofire Inc

    EIN 522414847 · Headquarters: Woburn, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Metrohacks

    EIN 811653503 · Headquarters: Littleton, MA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  90. Metrolacrosse Inc

    EIN 043508315 · Headquarters: BOSTON, MA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  91. Metromass Baseball Club Inc

    EIN 263091711 · Headquarters: ASHLAND, MA, USA · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-PF

  92. Metropolis of Boston Dance Group Inc

    EIN 333060949 · Headquarters: QUINCY, MA, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Metropolitan Animal Control Officer's As

    EIN 832793964 · Headquarters: WAREHAM, MA, USA · Employment · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  94. Metropolitan Boston Area Including Middlesexnorfolk&suffolk Counties

    EIN 046139128 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  95. Metropolitan Boston Emergency Medical Se Services Council Inc

    EIN 043391133 · Headquarters: BURLINGTON, MA, USA · Health Care · Latest available filing year: 2021 · Primary form: IRS Form 990

  96. Metropolitan Council for Educational Opportunity Inc (Metco)

    EIN 046179391 · Headquarters: ROXBURY, MA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Metropolitan Interfaith Congregations Acting for Hope Inc

    EIN 731718884 · Headquarters: Hudson, MA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  98. Metropolitan Law Enforcement Councilinc

    EIN 800025228 · Headquarters: FRANKLIN, MA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Metropolitan Waterworks Museum Inc

    EIN 043251784 · Headquarters: CHESTNUT HILL, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Metropolitan Wind Symphony Inc

    EIN 231765776 · Headquarters: Medford, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

First page and all pages