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. United Steelworkers

    EIN 396078387 · Headquarters: Manitowoc, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  2. United Steelworkers

    EIN 396081164 · Headquarters: Little Suamico, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. United Steelworkers

    EIN 396081165 · Headquarters: New London, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. United Steelworkers

    EIN 396085630 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  5. United Steelworkers

    EIN 396093406 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. United Steelworkers

    EIN 396093909 · Headquarters: Schofield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. United Steelworkers

    EIN 396093911 · Headquarters: Marshfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. United Steelworkers

    EIN 396097448 · Headquarters: Kaukauna, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  9. United Steelworkers

    EIN 396097459 · Headquarters: La Crosse, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. United Steelworkers

    EIN 396100524 · Headquarters: Burlington, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. United Steelworkers

    EIN 396101960 · Headquarters: Beloit, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  12. United Steelworkers

    EIN 396102329 · Headquarters: Tomahawk, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  13. United Steelworkers

    EIN 410380622 · Headquarters: Austin, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. United Steelworkers

    EIN 410589720 · Headquarters: Minneapolis, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. United Steelworkers

    EIN 410765579 · Headquarters: Saint Paul, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. United Steelworkers

    EIN 410847495 · Headquarters: Minneapolis, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. United Steelworkers

    EIN 410848586 · Headquarters: Shakopee, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. United Steelworkers

    EIN 410947113 · Headquarters: Newport, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. United Steelworkers

    EIN 411285304 · Headquarters: Shakopee, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. United Steelworkers

    EIN 411654045 · Headquarters: Little Falls, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  21. United Steelworkers

    EIN 411764662 · Headquarters: Duluth, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. United Steelworkers

    EIN 411813951 · Headquarters: Fairfax, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. United Steelworkers

    EIN 411891756 · Headquarters: Cloquet, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. United Steelworkers

    EIN 416037243 · Headquarters: International Falls, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  25. United Steelworkers

    EIN 416037252 · Headquarters: North Mankota, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. United Steelworkers

    EIN 416037925 · Headquarters: winnebago, MN, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  27. United Steelworkers

    EIN 416037932 · Headquarters: Austin, MN, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. United Steelworkers

    EIN 416055760 · Headquarters: Eagle Lake, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. United Steelworkers

    EIN 416079373 · Headquarters: Shakopee, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. United Steelworkers

    EIN 416084239 · Headquarters: Shakopee, MN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. United Steelworkers

    EIN 420573969 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  32. United Steelworkers

    EIN 420623623 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  33. United Steelworkers

    EIN 420645637 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  34. United Steelworkers

    EIN 420723988 · Headquarters: Keokuk, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. United Steelworkers

    EIN 420792368 · Headquarters: Clare, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. United Steelworkers

    EIN 421107864 · Headquarters: Wilton, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. United Steelworkers

    EIN 421386289 · Headquarters: Farmington, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  38. United Steelworkers

    EIN 426067250 · Headquarters: Waterloo, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. United Steelworkers

    EIN 426075760 · Headquarters: Waterloo, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. United Steelworkers

    EIN 426076353 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. United Steelworkers

    EIN 426076354 · Headquarters: MARSHALLTOWN, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. United Steelworkers

    EIN 426081176 · Headquarters: Dubuque, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. United Steelworkers

    EIN 426083443 · Headquarters: Clinton, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. United Steelworkers

    EIN 426119736 · Headquarters: Council Bluffs, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. United Steelworkers

    EIN 426271575 · Headquarters: Creston, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  46. United Steelworkers

    EIN 430358095 · Headquarters: Saint Louis, MO, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. United Steelworkers

    EIN 430627830 · Headquarters: VANDALIA, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  48. United Steelworkers

    EIN 430689136 · Headquarters: Cape Girardeau, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. United Steelworkers

    EIN 430838904 · Headquarters: LOUISIANA, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. United Steelworkers

    EIN 430896132 · Headquarters: annapolis, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  51. United Steelworkers

    EIN 430969558 · Headquarters: Marston, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. United Steelworkers

    EIN 431251094 · Headquarters: Pevely, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. United Steelworkers

    EIN 431980334 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  54. United Steelworkers

    EIN 436049533 · Headquarters: Independence, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. United Steelworkers

    EIN 436049534 · Headquarters: Bartlesville, OK, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  56. United Steelworkers

    EIN 436050360 · Headquarters: Kansas City, KS, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  57. United Steelworkers

    EIN 436051652 · Headquarters: Sikeston, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. United Steelworkers

    EIN 436069072 · Headquarters: Carthage, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. United Steelworkers

    EIN 440429865 · Headquarters: Independence, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  60. United Steelworkers

    EIN 440622825 · Headquarters: North Kansas City, MO, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. United Steelworkers

    EIN 440662483 · Headquarters: SPRINGFIELD, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. United Steelworkers

    EIN 450589787 · Headquarters: CROSSVILLE, TN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. United Steelworkers

    EIN 451796368 · Headquarters: Crown Point, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. United Steelworkers

    EIN 454293723 · Headquarters: Taylor, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. United Steelworkers

    EIN 466014801 · Headquarters: Sioux Falls, SD, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. United Steelworkers

    EIN 474778704 · Headquarters: Harrisburg, NC, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  67. United Steelworkers

    EIN 475177353 · Headquarters: Pittsburgh, PA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  68. United Steelworkers

    EIN 480225432 · Headquarters: BENTON, AR, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. United Steelworkers

    EIN 480563628 · Headquarters: Riverton, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  70. United Steelworkers

    EIN 480723110 · Headquarters: Atchison, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. United Steelworkers

    EIN 480796214 · Headquarters: Kanopolis, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. United Steelworkers

    EIN 486116768 · Headquarters: Waterville, KS, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. United Steelworkers

    EIN 486117046 · Headquarters: South Hutchinson, KS, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  74. United Steelworkers

    EIN 486117479 · Headquarters: Independence, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. United Steelworkers

    EIN 510141106 · Headquarters: Petoskey, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. United Steelworkers

    EIN 510143087 · Headquarters: Columbus, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. United Steelworkers

    EIN 510143726 · Headquarters: N Miami, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. United Steelworkers

    EIN 510171867 · Headquarters: Mountain Brook, AL, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. United Steelworkers

    EIN 510190639 · Headquarters: Carlsbad, NM, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. United Steelworkers

    EIN 510192221 · Headquarters: Pennsboro, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. United Steelworkers

    EIN 510195086 · Headquarters: Danville, VA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. United Steelworkers

    EIN 510206147 · Headquarters: Honaker, VA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  83. United Steelworkers

    EIN 510206148 · Headquarters: SALISBURY, NC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. United Steelworkers

    EIN 510206500 · Headquarters: New Castle, DE, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. United Steelworkers

    EIN 510210135 · Headquarters: WEST BRANCH, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. United Steelworkers

    EIN 510212996 · Headquarters: Syracuse, NY, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. United Steelworkers

    EIN 510213012 · Headquarters: LOCUST GROVE, OK, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. United Steelworkers

    EIN 510213868 · Headquarters: BISHOPVILLE, SC, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. United Steelworkers

    EIN 510213947 · Headquarters: DENISON, TX, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. United Steelworkers

    EIN 510221510 · Headquarters: Norwalk, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. United Steelworkers

    EIN 510223598 · Headquarters: Wenona, IL, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  92. United Steelworkers

    EIN 510224031 · Headquarters: Kinsman, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. United Steelworkers

    EIN 510224635 · Headquarters: GONZALES, LA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. United Steelworkers

    EIN 510225612 · Headquarters: Morgantown, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. United Steelworkers

    EIN 510227204 · Headquarters: Park Hills, MO, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  96. United Steelworkers

    EIN 510235787 · Headquarters: PITTSBURGH, PA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  97. United Steelworkers

    EIN 510244252 · Headquarters: West Salem, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. United Steelworkers

    EIN 510246876 · Headquarters: McMechen, WV, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. United Steelworkers

    EIN 510247355 · Headquarters: lorain, OH, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. United Steelworkers

    EIN 510255597 · Headquarters: Bridgeton, MO, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

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