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. American Federation of Teachers

    EIN 800292043 · Headquarters: Penfield, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Federation of Teachers

    EIN 800294408 · Headquarters: Owego, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. American Federation of Teachers

    EIN 800295084 · Headquarters: Worcester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. American Federation of Teachers

    EIN 800295500 · Headquarters: Vestal, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. American Federation of Teachers

    EIN 800295895 · Headquarters: Marcellus, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. American Federation of Teachers

    EIN 800299969 · Headquarters: Tully, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  7. American Federation of Teachers

    EIN 800302178 · Headquarters: East Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. American Federation of Teachers

    EIN 800302611 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. American Federation of Teachers

    EIN 800303742 · Headquarters: West Valley, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. American Federation of Teachers

    EIN 800303947 · Headquarters: Gainesville, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  11. American Federation of Teachers

    EIN 800304123 · Headquarters: Sackets Harbor, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. American Federation of Teachers

    EIN 800307664 · Headquarters: Johnstown, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. American Federation of Teachers

    EIN 800309226 · Headquarters: Margaretville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. American Federation of Teachers

    EIN 800314680 · Headquarters: East Rochester, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. American Federation of Teachers

    EIN 800316681 · Headquarters: Turin, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. American Federation of Teachers

    EIN 800321030 · Headquarters: New Paltz, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Federation of Teachers

    EIN 800326413 · Headquarters: MERRICK, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  18. American Federation of Teachers

    EIN 800326957 · Headquarters: GANSEVOORT, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. American Federation of Teachers

    EIN 800336703 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. American Federation of Teachers

    EIN 800354234 · Headquarters: Marcellus, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. American Federation of Teachers

    EIN 800379588 · Headquarters: Woodbury, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. American Federation of Teachers

    EIN 800415390 · Headquarters: Whitesville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. American Federation of Teachers

    EIN 800415605 · Headquarters: Saint Clair Shores, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. American Federation of Teachers

    EIN 800417978 · Headquarters: Waubun, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. American Federation of Teachers

    EIN 800455613 · Headquarters: Boiceville, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. American Federation of Teachers

    EIN 800467618 · Headquarters: Craryville, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. American Federation of Teachers

    EIN 800505038 · Headquarters: Endicott, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. American Federation of Teachers

    EIN 800505302 · Headquarters: cooperstown, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Federation of Teachers

    EIN 800519115 · Headquarters: Valhalla, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. American Federation of Teachers

    EIN 800635186 · Headquarters: centereach, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  31. American Federation of Teachers

    EIN 800639427 · Headquarters: Batavia, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. American Federation of Teachers

    EIN 800644789 · Headquarters: HEUVELTON, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. American Federation of Teachers

    EIN 800645819 · Headquarters: Warsaw, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. American Federation of Teachers

    EIN 800646732 · Headquarters: Unadilla, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  35. American Federation of Teachers

    EIN 800649808 · Headquarters: Port Jefferson, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. American Federation of Teachers

    EIN 800706559 · Headquarters: Grahamsville, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. American Federation of Teachers

    EIN 800784338 · Headquarters: Hammondsport, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  38. American Federation of Teachers

    EIN 800795978 · Headquarters: Geneseo, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. American Federation of Teachers

    EIN 800817293 · Headquarters: Briarcliff Manor, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. American Federation of Teachers

    EIN 800839950 · Headquarters: Roslyn Heights, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. American Federation of Teachers

    EIN 800893884 · Headquarters: Liberty, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. American Federation of Teachers

    EIN 800924515 · Headquarters: Los Angeles, CA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. American Federation of Teachers

    EIN 800960773 · Headquarters: Dix Hills, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Federation of Teachers

    EIN 800963122 · Headquarters: Nedrow, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. American Federation of Teachers

    EIN 810649080 · Headquarters: Menahga, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. American Federation of Teachers

    EIN 810717362 · Headquarters: Indian Lake, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. American Federation of Teachers

    EIN 810783950 · Headquarters: Poughkeepsie, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. American Federation of Teachers

    EIN 810949802 · Headquarters: East Grand Forks, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. American Federation of Teachers

    EIN 811353061 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  50. American Federation of Teachers

    EIN 811583935 · Headquarters: Charlestown, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Federation of Teachers

    EIN 811850042 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  52. American Federation of Teachers

    EIN 812103791 · Headquarters: HOMER GLEN, IL, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  53. American Federation of Teachers

    EIN 812283902 · Headquarters: Andes, NY, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  54. American Federation of Teachers

    EIN 812857218 · Headquarters: Woodstock, IL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. American Federation of Teachers

    EIN 812997801 · Headquarters: Sherman, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. American Federation of Teachers

    EIN 813151037 · Headquarters: CROTON HDSN, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. American Federation of Teachers

    EIN 813327551 · Headquarters: Watkins Glen, NY, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  58. American Federation of Teachers

    EIN 813736702 · Headquarters: Purchase, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. American Federation of Teachers

    EIN 813746526 · Headquarters: Malta, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. American Federation of Teachers

    EIN 813807927 · Headquarters: Cleveland, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. American Federation of Teachers

    EIN 813864367 · Headquarters: Danube, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. American Federation of Teachers

    EIN 814070333 · Headquarters: Germantown, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  63. American Federation of Teachers

    EIN 814239237 · Headquarters: Emerson, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. American Federation of Teachers

    EIN 814313855 · Headquarters: Sauquoit, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. American Federation of Teachers

    EIN 820693599 · Headquarters: Poughkeepsie, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. American Federation of Teachers

    EIN 820723306 · Headquarters: PUTNAM STATION, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. American Federation of Teachers

    EIN 820743284 · Headquarters: Albert Lea, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. American Federation of Teachers

    EIN 821112076 · Headquarters: Dover Plains, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. American Federation of Teachers

    EIN 821259048 · Headquarters: Oakland, CA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. American Federation of Teachers

    EIN 822137348 · Headquarters: Buffalo, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. American Federation of Teachers

    EIN 822437711 · Headquarters: Coon Rapids, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. American Federation of Teachers

    EIN 822742487 · Headquarters: Martinsville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. American Federation of Teachers

    EIN 822770423 · Headquarters: Dryden, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  74. American Federation of Teachers

    EIN 822805160 · Headquarters: Los Angeles, CA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. American Federation of Teachers

    EIN 822832022 · Headquarters: Faribault, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. American Federation of Teachers

    EIN 822911502 · Headquarters: Faribault, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. American Federation of Teachers

    EIN 823270557 · Headquarters: Emerson, NJ, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  78. American Federation of Teachers

    EIN 823343323 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  79. American Federation of Teachers

    EIN 823686156 · Headquarters: St James, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. American Federation of Teachers

    EIN 823843739 · Headquarters: Chicago, IL, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  81. American Federation of Teachers

    EIN 824096434 · Headquarters: Kenyon, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. American Federation of Teachers

    EIN 824563197 · Headquarters: duluth, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. American Federation of Teachers

    EIN 824906479 · Headquarters: New Hartford, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  84. American Federation of Teachers

    EIN 825095751 · Headquarters: Charlestown, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Federation of Teachers

    EIN 830492562 · Headquarters: Floral Park, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. American Federation of Teachers

    EIN 831032134 · Headquarters: stewartville, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. American Federation of Teachers

    EIN 831115931 · Headquarters: Saint Helena, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. American Federation of Teachers

    EIN 831188899 · Headquarters: Charlestown, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. American Federation of Teachers

    EIN 831298385 · Headquarters: Lockport, NY, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. American Federation of Teachers

    EIN 831352170 · Headquarters: Hamburg, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. American Federation of Teachers

    EIN 831476679 · Headquarters: Byron, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. American Federation of Teachers

    EIN 831662170 · Headquarters: Charlestown, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. American Federation of Teachers

    EIN 831676294 · Headquarters: Fairmont, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. American Federation of Teachers

    EIN 831857635 · Headquarters: Rush City, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. American Federation of Teachers

    EIN 832013564 · Headquarters: KIMBALL, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. American Federation of Teachers

    EIN 832454234 · Headquarters: Villa Park, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. American Federation of Teachers

    EIN 832593883 · Headquarters: Bellport, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. American Federation of Teachers

    EIN 832656818 · Headquarters: Cambridge, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. American Federation of Teachers

    EIN 832789754 · Headquarters: Isanti, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. American Federation of Teachers

    EIN 833072449 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

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