Unknown & Unclassified nonprofits

Unknown & Unclassified nonprofits. Browse 557,756 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 Teachers Association

    EIN 237149785 · Headquarters: Pelham, NH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Massachusetts Teachers Association

    EIN 237151835 · Headquarters: Reading, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Massachusetts Teachers Association

    EIN 237152743 · Headquarters: Hull, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. Massachusetts Teachers Association

    EIN 237153422 · Headquarters: NANTUCKET, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Massachusetts Teachers Association

    EIN 237153424 · Headquarters: Webster, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Massachusetts Teachers Association

    EIN 237154915 · Headquarters: Wayland, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Massachusetts Teachers Association

    EIN 237155956 · Headquarters: BARRE, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Massachusetts Teachers Association

    EIN 237229943 · Headquarters: Beverly, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Massachusetts Teachers Association

    EIN 237229944 · Headquarters: Stoneham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Massachusetts Teachers Association

    EIN 237229950 · Headquarters: Fitchburg, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Massachusetts Teachers Association

    EIN 237229952 · Headquarters: Oak Bluffs, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Massachusetts Teachers Association

    EIN 237229954 · Headquarters: Marblehead, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Massachusetts Teachers Association

    EIN 237255469 · Headquarters: Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Massachusetts Teachers Association

    EIN 237255474 · Headquarters: Longmeadow, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Massachusetts Teachers Association

    EIN 237274435 · Headquarters: Canton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Massachusetts Teachers Association

    EIN 237274436 · Headquarters: Bourne, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Massachusetts Teachers Association

    EIN 237274446 · Headquarters: Clinton, MA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. Massachusetts Teachers Association

    EIN 237274448 · Headquarters: Southbridge, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Massachusetts Teachers Association

    EIN 237274452 · Headquarters: East Longmeadow, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Massachusetts Teachers Association

    EIN 237274470 · Headquarters: Manchester by the Sea, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Massachusetts Teachers Association

    EIN 237274473 · Headquarters: Mashpee, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. Massachusetts Teachers Association

    EIN 237274474 · Headquarters: UPTON, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Massachusetts Teachers Association

    EIN 237274481 · Headquarters: Salisbury, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Massachusetts Teachers Association

    EIN 237274486 · Headquarters: North Andover, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  25. Massachusetts Teachers Association

    EIN 237274489 · Headquarters: Pepperell, MA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. Massachusetts Teachers Association

    EIN 237274493 · Headquarters: Norwell, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. Massachusetts Teachers Association

    EIN 237274500 · Headquarters: ROCKPORT, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. Massachusetts Teachers Association

    EIN 237274506 · Headquarters: Somerset, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Massachusetts Teachers Association

    EIN 237274507 · Headquarters: SOUTHBOROUGH, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Massachusetts Teachers Association

    EIN 237274511 · Headquarters: fiskdale, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. Massachusetts Teachers Association

    EIN 237274514 · Headquarters: Deerfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Massachusetts Teachers Association

    EIN 237274516 · Headquarters: Sutton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Massachusetts Teachers Association

    EIN 237274523 · Headquarters: West Hatfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Massachusetts Teachers Association

    EIN 237274524 · Headquarters: ATHOL, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. Massachusetts Teachers Association

    EIN 237359052 · Headquarters: Lee, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Massachusetts Teachers Association

    EIN 237359061 · Headquarters: North Adams, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Massachusetts Teachers Association

    EIN 263108946 · Headquarters: Saugus, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Massachusetts Teachers Association

    EIN 273062733 · Headquarters: attleboro, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Massachusetts Teachers Association

    EIN 273999938 · Headquarters: AMHERST, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Massachusetts Teachers Association

    EIN 300594464 · Headquarters: Shrewsbury, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Massachusetts Teachers Association

    EIN 300638372 · Headquarters: Hudson, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  42. Massachusetts Teachers Association

    EIN 301010791 · Headquarters: LOWELL, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Massachusetts Teachers Association

    EIN 352449531 · Headquarters: SHIRLEY, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Massachusetts Teachers Association

    EIN 383787828 · Headquarters: Truro, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Massachusetts Teachers Association

    EIN 383823839 · Headquarters: Chesterfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Massachusetts Teachers Association

    EIN 510145681 · Headquarters: Fitchburg, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Massachusetts Teachers Association

    EIN 510146815 · Headquarters: Holliston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. Massachusetts Teachers Association

    EIN 510147714 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Massachusetts Teachers Association

    EIN 510147727 · Headquarters: Rochester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Massachusetts Teachers Association

    EIN 510147759 · Headquarters: N Chelmsford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Massachusetts Teachers Association

    EIN 510164873 · Headquarters: Northborough, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Massachusetts Teachers Association

    EIN 510171948 · Headquarters: Wilmington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Massachusetts Teachers Association

    EIN 510171960 · Headquarters: Saugus, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  54. Massachusetts Teachers Association

    EIN 510186959 · Headquarters: Natick, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Massachusetts Teachers Association

    EIN 510189201 · Headquarters: Wrentham, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. Massachusetts Teachers Association

    EIN 510194218 · Headquarters: Pembroke, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. Massachusetts Teachers Association

    EIN 510205198 · Headquarters: Hatfield, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Massachusetts Teachers Association

    EIN 510210253 · Headquarters: Sudbury, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Massachusetts Teachers Association

    EIN 510210794 · Headquarters: Dighton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. Massachusetts Teachers Association

    EIN 510212728 · Headquarters: Plympton, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Massachusetts Teachers Association

    EIN 813373332 · Headquarters: Medford, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. Massachusetts Teachers Association

    EIN 813966365 · Headquarters: Leicester, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Massachusetts Teachers Association

    EIN 814855610 · Headquarters: Maynard, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. Massachusetts Teachers Association

    EIN 851983815 · Headquarters: New Bedford, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Massachusetts Teachers Association

    EIN 853326370 · Headquarters: Walpole, MA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  66. Massachusetts Teachers Association

    EIN 861614007 · Headquarters: Wareham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Massachusetts Teachers Association

    EIN 870731876 · Headquarters: Acton, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  68. Massachusetts Teachers Association

    EIN 873522679 · Headquarters: Huntington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Massachusetts Teachers Association

    EIN 900496219 · Headquarters: Brimfield, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. Massachusetts Teachers Association

    EIN 900540772 · Headquarters: Blackstone, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Massachusetts Teachers Association

    EIN 912142639 · Headquarters: bellingham, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Massachusetts Teachers Association

    EIN 912142667 · Headquarters: Concord, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Massachusetts Teachers Association

    EIN 912142673 · Headquarters: Otis, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. Massachusetts Teachers Association

    EIN 912142683 · Headquarters: Montague, MA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  75. Massachusetts Teachers Association

    EIN 912142691 · Headquarters: Gloucester, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. Massachusetts Teachers Association 104 Agawam Education Assn

    EIN 237128462 · Headquarters: FEEDING HILLS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  77. Massachusetts Teachers Association 320 Southbridge Education Assn

    EIN 237128538 · Headquarters: SPRINGFIELD, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. Massachusetts Teachers Association 379 Winchester Educ Assn

    EIN 237255468 · Headquarters: WINCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  79. Massachusetts Teachers Association Barnstable Teachers Association

    EIN 237134027 · Headquarters: HYANNIS, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. Massachusetts Teachers Association Braintree

    EIN 237255470 · Headquarters: BRAINTREE, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Massachusetts Teachers Association Dba 174 Fairhaven Educators Association Inc

    EIN 237229960 · Headquarters: FAIRHAVEN, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Massachusetts Teachers Association Dba 261 New Bedford Educators Assn

    EIN 237062560 · Headquarters: NEW BEDFORD, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Massachusetts Teachers Association Dba Middleboro Education Association Inc

    EIN 237274482 · Headquarters: N DIGHTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Massachusetts Teachers Association Dracut Teachers Association

    EIN 237156789 · Headquarters: Chester, NH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Massachusetts Teachers Association Monson Teachers Assn Inc

    EIN 043163209 · Headquarters: Monson, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. Massachusetts Teachers Association Woburn Teachers Association Inc

    EIN 510171945 · Headquarters: WOBURN, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. Massachusetts Teachers Associations

    EIN 042773192 · Headquarters: Peabody, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Massachusetts Thoroughbred Breeders Association Inc

    EIN 042746989 · Headquarters: Weston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  89. Massachusetts Union of Public Housing Tenants Inc

    EIN 042516191 · Headquarters: DORCHESTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Massachusetts Veterinary Medical Association Inc

    EIN 042446458 · Headquarters: MARLBOROUGH, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  91. Massachusetts Visitor Industry Council

    EIN 043221497 · Headquarters: Boston, MA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  92. Massachusetts Women's Political Caucus Inc

    EIN 042738445 · Headquarters: BOSTON, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  93. Massachusetts Women's Political Caucus Leadership Development Educationa

    EIN 042738443 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990

  94. Massachusetts Womens Caucus for Art

    EIN 843266557 · Headquarters: Ashburnham, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. Massachusetts Youth Soccer Assoc Inc

    EIN 042627953 · Headquarters: LANCASTER, MA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  96. Massachusettsmoses Health and Welfare Fund

    EIN 222610041 · Headquarters: BOSTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Massachusettsrhode Island Council of Trout Unlimited

    EIN 510225123 · Headquarters: FRAMINGHAM, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. Massacusetts Teachers Association

    EIN 842073819 · Headquarters: Plaistow, NH, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  99. Massacusetts Teachers Association

    EIN 912142904 · Headquarters: SAVOY, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. Massacusetts Teachers Association D/b/a Milton Educators' Association

    EIN 237163498 · Headquarters: MILTON, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

First page and all pages