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. National Treasury Employee Union Chapter 346

    EIN 612245246 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. National Treasury Employees Union

    EIN 016019419 · Headquarters: LUDLOW, ME, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. National Treasury Employees Union

    EIN 020233683 · Headquarters: Manchester, NH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  4. National Treasury Employees Union

    EIN 042709476 · Headquarters: ANDOVER, MA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. National Treasury Employees Union

    EIN 042987028 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. National Treasury Employees Union

    EIN 043146957 · Headquarters: Lexington, MA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. National Treasury Employees Union

    EIN 046111663 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. National Treasury Employees Union

    EIN 056020682 · Headquarters: Warwick, RI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. National Treasury Employees Union

    EIN 066064030 · Headquarters: Hartford, CT, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  10. National Treasury Employees Union

    EIN 066199393 · Headquarters: Milford, CT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. National Treasury Employees Union

    EIN 112887452 · Headquarters: Holtsville, NY, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  12. National Treasury Employees Union

    EIN 113304994 · Headquarters: Brooklyn, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. National Treasury Employees Union

    EIN 116082550 · Headquarters: Bethpage, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. National Treasury Employees Union

    EIN 132890011 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. National Treasury Employees Union

    EIN 136163158 · Headquarters: NEW WINDSOR, NY, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  16. National Treasury Employees Union

    EIN 146030141 · Headquarters: Albany, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. National Treasury Employees Union

    EIN 160868180 · Headquarters: Cheektowaga, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. National Treasury Employees Union

    EIN 166054808 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. National Treasury Employees Union

    EIN 201498320 · Headquarters: Galveston, TX, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. National Treasury Employees Union

    EIN 222554291 · Headquarters: Boston, MA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  21. National Treasury Employees Union

    EIN 226055191 · Headquarters: KENILWORTH, NJ, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  22. National Treasury Employees Union

    EIN 237062695 · Headquarters: Kearneysville, WV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. National Treasury Employees Union

    EIN 237063049 · Headquarters: SAN JUAN, PR, RQ · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. National Treasury Employees Union

    EIN 237063054 · Headquarters: Swanton, VT, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. National Treasury Employees Union

    EIN 237108269 · Headquarters: Eagle Pass, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. National Treasury Employees Union

    EIN 237108270 · Headquarters: Rosemont, IL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. National Treasury Employees Union

    EIN 237113057 · Headquarters: DALLAS, TX, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  28. National Treasury Employees Union

    EIN 237129373 · Headquarters: Plantation, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. National Treasury Employees Union

    EIN 237152357 · Headquarters: PORTLAND, OR, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. National Treasury Employees Union

    EIN 237277466 · Headquarters: Philadelphia, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  31. National Treasury Employees Union

    EIN 237325042 · Headquarters: Las Vegas, NV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. National Treasury Employees Union

    EIN 237373121 · Headquarters: EL MONTE, CA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  33. National Treasury Employees Union

    EIN 237383293 · Headquarters: San Diego, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. National Treasury Employees Union

    EIN 237383295 · Headquarters: WASHINGTON, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  35. National Treasury Employees Union

    EIN 237384007 · Headquarters: Memphis, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. National Treasury Employees Union

    EIN 237384013 · Headquarters: Youngstown, OH, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. National Treasury Employees Union

    EIN 237455548 · Headquarters: HOUSTON, TX, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  38. National Treasury Employees Union

    EIN 256066277 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. National Treasury Employees Union

    EIN 260071133 · Headquarters: San Francisco, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. National Treasury Employees Union

    EIN 300140654 · Headquarters: Chicago, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. National Treasury Employees Union

    EIN 316050049 · Headquarters: CINCINNATI, OH, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. National Treasury Employees Union

    EIN 316050629 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. National Treasury Employees Union

    EIN 330008204 · Headquarters: San Bernardino, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. National Treasury Employees Union

    EIN 330056425 · Headquarters: LONG BEACH, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. National Treasury Employees Union

    EIN 331037966 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. National Treasury Employees Union

    EIN 346555559 · Headquarters: Middleburg Heights, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. National Treasury Employees Union

    EIN 346556090 · Headquarters: Toledo, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  48. National Treasury Employees Union

    EIN 346581405 · Headquarters: Canton, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  49. National Treasury Employees Union

    EIN 351703418 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. National Treasury Employees Union

    EIN 356043615 · Headquarters: Indianapolis, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. National Treasury Employees Union

    EIN 370842784 · Headquarters: Peoria, IL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. National Treasury Employees Union

    EIN 371755148 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. National Treasury Employees Union

    EIN 371770954 · Headquarters: Washingon, DC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. National Treasury Employees Union

    EIN 382495821 · Headquarters: SAULT STE MARIE, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. National Treasury Employees Union

    EIN 390591700 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. National Treasury Employees Union

    EIN 410873738 · Headquarters: BLOOMINGTON, MN, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  57. National Treasury Employees Union

    EIN 416036327 · Headquarters: Bloomington, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. National Treasury Employees Union

    EIN 416036421 · Headquarters: International Falls, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. National Treasury Employees Union

    EIN 420836680 · Headquarters: West Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  60. National Treasury Employees Union

    EIN 431308900 · Headquarters: Lees Summit, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. National Treasury Employees Union

    EIN 431388521 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. National Treasury Employees Union

    EIN 431639253 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. National Treasury Employees Union

    EIN 431831636 · Headquarters: Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. National Treasury Employees Union

    EIN 436051690 · Headquarters: St Louis, MO, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  65. National Treasury Employees Union

    EIN 436051691 · Headquarters: KANSAS CITY, MO, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  66. National Treasury Employees Union

    EIN 450448827 · Headquarters: Fargo, ND, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. National Treasury Employees Union

    EIN 466014548 · Headquarters: Aberdeen, SD, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  68. National Treasury Employees Union

    EIN 476028802 · Headquarters: Lincoln, NE, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. National Treasury Employees Union

    EIN 481248264 · Headquarters: Lenexa, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. National Treasury Employees Union

    EIN 486120364 · Headquarters: Overland Park, KS, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. National Treasury Employees Union

    EIN 510178157 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. National Treasury Employees Union

    EIN 510192137 · Headquarters: Seattle, WA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. National Treasury Employees Union

    EIN 510192141 · Headquarters: Rancho Santa Margarita, CA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. National Treasury Employees Union

    EIN 510192153 · Headquarters: Brownsville, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. National Treasury Employees Union

    EIN 510208582 · Headquarters: Pembina, ND, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  76. National Treasury Employees Union

    EIN 510646898 · Headquarters: CINCINNATI, OH, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. National Treasury Employees Union

    EIN 520734154 · Headquarters: Baltimore, MD, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  78. National Treasury Employees Union

    EIN 521126261 · Headquarters: Rockville, MD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. National Treasury Employees Union

    EIN 521279542 · Headquarters: Barboursville, WV, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  80. National Treasury Employees Union

    EIN 521328899 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. National Treasury Employees Union

    EIN 521516013 · Headquarters: Washington, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. National Treasury Employees Union

    EIN 521695552 · Headquarters: Noblesville, IN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. National Treasury Employees Union

    EIN 522267542 · Headquarters: Washington, DC, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. National Treasury Employees Union

    EIN 530244795 · Headquarters: WASHINGTON, DC, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  85. National Treasury Employees Union

    EIN 541217236 · Headquarters: Alexandria, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  86. National Treasury Employees Union

    EIN 546052440 · Headquarters: Henrico, VA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. National Treasury Employees Union

    EIN 550572298 · Headquarters: Parkersburg, WV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. National Treasury Employees Union

    EIN 550836643 · Headquarters: Washington DC, DC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  89. National Treasury Employees Union

    EIN 556023769 · Headquarters: Beckley, WV, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  90. National Treasury Employees Union

    EIN 566062787 · Headquarters: Greensboro, NC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. National Treasury Employees Union

    EIN 571147104 · Headquarters: New York, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. National Treasury Employees Union

    EIN 576025584 · Headquarters: North Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. National Treasury Employees Union

    EIN 576025595 · Headquarters: Charleston, SC, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. National Treasury Employees Union

    EIN 580814557 · Headquarters: ATLANTA, GA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. National Treasury Employees Union

    EIN 591650674 · Headquarters: Tampa, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. National Treasury Employees Union

    EIN 592349766 · Headquarters: Jacksonville, FL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. National Treasury Employees Union

    EIN 592809425 · Headquarters: Fort Myers, FL, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  98. National Treasury Employees Union

    EIN 596011628 · Headquarters: JACKSONVILLE, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. National Treasury Employees Union

    EIN 596234671 · Headquarters: Orlando, FL, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  100. National Treasury Employees Union

    EIN 621613773 · Headquarters: Franklin, TN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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