Unknown & Unclassified nonprofits in Massachusetts

Unknown & Unclassified nonprofits in Massachusetts. Browse 12,299 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. Psi Chi the National Honor Society in Psychology

    EIN 582042391 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Psi Chi the National Honor Society in Psychology

    EIN 582128586 · Headquarters: South Hamilton, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  3. Psi Chi the National Honor Society in Psychology

    EIN 582128610 · Headquarters: Lowell, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Psi Chi the National Honor Society in Psychology

    EIN 812732999 · Headquarters: Brookline, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  5. Psi Chi the National Honor Society in Psycology

    EIN 651272682 · Headquarters: Framingham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Psi Phi Chapter

    EIN 881960468 · Headquarters: worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  7. Psi Theta Nu Alumni Club of Sigma Pi Fraternity

    EIN 205454798 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  8. Pson Parent Sunshine Fund

    EIN 393997955 · Headquarters: FRAMINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Psychodynamic Couple and Family Institute of New England Inc

    EIN 043410531 · Headquarters: NEEDHAM, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. Pta Massachuetts Parent-teacher Association Inc

    EIN 453847786 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. Pta Massachuetts Parent-teacher Pta Association Inc

    EIN 046189867 · Headquarters: PRINCETON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. PTA Massachusetts Parent - Teacher Assoc Mattapoisett PTA

    EIN 043147645 · Headquarters: Mattapoisett, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. Pta Massachusetts Parent Teacher Association

    EIN 831827377 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Pta Massachusetts Parent Teacher Association Inc

    EIN 263625245 · Headquarters: Otis, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  15. Pta Massachusetts Parent Teacher Association Inc

    EIN 263753682 · Headquarters: Plymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  16. Pta Massachusetts Parent Teacher Association Inc

    EIN 300108378 · Headquarters: West Boylston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Pta Massachusetts Parent Teacher Association Inc

    EIN 920621268 · Headquarters: Acton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Pta Massachusetts Parent-teacher

    EIN 046118551 · Headquarters: REHOBOTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  19. Pta Massachusetts Parent-teacher Association Inc

    EIN 042121359 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Pta Massachusetts Parent-teacher Association Inc

    EIN 042658166 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Pta Massachusetts Parent-teacher Association Inc

    EIN 042781631 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Pta Massachusetts Parent-teacher Association Inc

    EIN 042781633 · Headquarters: Somerville, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  23. Pta Massachusetts Parent-teacher Association Inc

    EIN 043006231 · Headquarters: Monument Beach, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  24. Pta Massachusetts Parent-teacher Association Inc

    EIN 043085872 · Headquarters: Norwood, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Pta Massachusetts Parent-teacher Association Inc

    EIN 043251243 · Headquarters: Hatfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Pta Massachusetts Parent-teacher Association Inc

    EIN 043290019 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Pta Massachusetts Parent-teacher Association Inc

    EIN 043298654 · Headquarters: CLINTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Pta Massachusetts Parent-teacher Association Inc

    EIN 043335651 · Headquarters: Somerville, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  29. Pta Massachusetts Parent-teacher Association Inc

    EIN 043420863 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  30. Pta Massachusetts Parent-teacher Association Inc

    EIN 043460336 · Headquarters: Wareham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Pta Massachusetts Parent-teacher Association Inc

    EIN 046053746 · Headquarters: Somerville, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Pta Massachusetts Parent-teacher Association Inc

    EIN 046116755 · Headquarters: Belmont, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Pta Massachusetts Parent-teacher Association Inc

    EIN 046190145 · Headquarters: West Boylston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Pta Massachusetts Parent-teacher Association Inc

    EIN 134306051 · Headquarters: Plymouth, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Pta Massachusetts Parent-teacher Association Inc

    EIN 331168638 · Headquarters: Ashburnham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Pta Massachusetts Parent-teacher Association Inc

    EIN 331195432 · Headquarters: CENTERVILLE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Pta Massachusetts Parent-teacher Association Inc

    EIN 711037981 · Headquarters: Great Barrington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Pta Massachusetts Parent-teacher Deerfield Pta

    EIN 331205837 · Headquarters: South Deerfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. Pta Massuchesetts Parent-teacher Association Inc

    EIN 272182163 · Headquarters: Brockton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Ptaaarmigan Llc

    EIN 871320171 · Headquarters: Newton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Ptc Corporation

    EIN 043383618 · Headquarters: Princeton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Public Access Cable Television of Longmeadow Inc

    EIN 042737029 · Headquarters: LONGMEADOW, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  43. Public Action for Arts and Education

    EIN 237408530 · Headquarters: WATERTOWN, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  44. Public Employee Laborers Local Union 272

    EIN 462672048 · Headquarters: Hopkinton, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. Public Health Advocacy in Action Inc

    EIN 222581961 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Public Library Association of Easthampton

    EIN 046054363 · Headquarters: EASTHAMPTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  47. Public Library Association of Hinsdale

    EIN 042931441 · Headquarters: HINSDALE, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Public Relations Society of America Inc Boston Chapter

    EIN 046130421 · Headquarters: BROOKLINE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Public Responsibility in Medicine & Research Inc

    EIN 042583057 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. Public Utilities Risk Management Association Inc

    EIN 043346955 · Headquarters: WESTBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Puckihuddle Preschool Inc

    EIN 042716738 · Headquarters: MANCHAUG, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Pump and Circumstance

    EIN 222710572 · Headquarters: Acton, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Pure Aid Incorporated

    EIN 824489113 · Headquarters: Shrewsbury, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Puritan Bridge Club

    EIN 046062061 · Headquarters: Braintree, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  55. Putnam Investments Foundation

    EIN 043175266 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-PF

  56. Quabaug Corporation Charitable Foundation

    EIN 510179366 · Headquarters: SOUTH YARMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  57. Quabbin Community Band Auxiliary Inc

    EIN 042498078 · Headquarters: Barre, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Quabbin Fishermens Association Inc

    EIN 042748987 · Headquarters: THREE RIVERS, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. Quabbin Valley Paranormal Inc

    EIN 465431829 · Headquarters: Orange, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Quaboag Hills Chamber of Commerce Inc

    EIN 042647209 · Headquarters: PALMER, MA, USA · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  61. Quaboag Music Booster Club

    EIN 300709713 · Headquarters: Warren, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Quadequina Co

    EIN 042283203 · Headquarters: MATTAPOISETT, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Quail Ridge Homeowners Assocation

    EIN 043101024 · Headquarters: NORTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Quaker Meadows Resident Council

    EIN 042763791 · Headquarters: LYNN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Quannapowitt Yacht Club Inc

    EIN 042585359 · Headquarters: WAKEFIELD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. Quarter Century Federation-boston District-internal Revenue Service

    EIN 046190507 · Headquarters: Everett, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Qubic Labs Inc

    EIN 843792858 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  68. Quidnet Squam Association Inc

    EIN 042598241 · Headquarters: NANTUCKET, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Quincy Art Association

    EIN 042692199 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. Quincy Community Action Programs, Inc.

    EIN 042391348 · Headquarters: Quincy, MA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  71. Quincy Credit Union

    EIN 042314232 · Headquarters: Quincy, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  72. Quincy Education Association Inc

    EIN 046087048 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  73. Quincy Education Association Inc Scholarship Fund

    EIN 046141360 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  74. Quincy Lodge of Elks 943 Inc

    EIN 042104205 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Quincy Masonic Temple Association

    EIN 042153193 · Headquarters: Braintree, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Quincy Point Congregational Church Homes Inc

    EIN 042393288 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  77. Quincy Police Working Dog Foundation Inc

    EIN 271357284 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  78. Quincy Post 95 American Legion Building Association Inc

    EIN 046189406 · Headquarters: QUINCY, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Quincy Retired Teachers Association Inc

    EIN 043329724 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Quincy Retiree Association Inc

    EIN 043349768 · Headquarters: Quincy, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Quinebaug Valley Council For The Arts and Humanities Inc

    EIN 042617197 · Headquarters: Southbridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  82. Quinsigamond Rowing Association Inc

    EIN 043065952 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  83. Quinsigamond Village Community Center

    EIN 042638520 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  84. Quisset Village Homeowners Assoc

    EIN 042828719 · Headquarters: Centerville, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Quissett Association Inc

    EIN 237037305 · Headquarters: Falmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Quissett Harbor House Land Trust Inc

    EIN 046403583 · Headquarters: FALMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Quissett Yacht Club Inc

    EIN 042260506 · Headquarters: Falmouth, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. R I Muzzle Loaders Club Inc

    EIN 042731218 · Headquarters: Rehoboth, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Rabboni Lodge Af & Am

    EIN 046048424 · Headquarters: WEYMOUTH, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Racial Justice Falmouth

    EIN 992233696 · Headquarters: East Falmouth, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Radcliffe Choral Society Inc

    EIN 042650764 · Headquarters: Cambridge, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  92. Radcliffe Class of 1955 Association

    EIN 042900632 · Headquarters: CAMBRIDGE, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. Radha Krishna Mandir Inc

    EIN 831041113 · Headquarters: SHREWSBURY, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  94. Radical Abolitionists Demanding Freedom Through the Equality Model

    EIN 611989780 · Headquarters: Worcester, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. Railroad Enthusiasts Inc

    EIN 046112417 · Headquarters: ANDOVER, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Raimond Duy Baird Memorial Association

    EIN 066044433 · Headquarters: LONGMEADOW, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Rainbow Child Development Center Inc

    EIN 042507815 · Headquarters: WORCESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Rainbow House

    EIN 050468987 · Headquarters: WAKEFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Rainbow Television Workshop Inc

    EIN 942399612 · Headquarters: Cambridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Rally to Give Foundation Inc

    EIN 821881877 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

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