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 381645222 · Headquarters: Hastings, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. United Steelworkers

    EIN 381719658 · Headquarters: Monising, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. United Steelworkers

    EIN 381851745 · Headquarters: Delton, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. United Steelworkers

    EIN 381876495 · Headquarters: ALPENA, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. United Steelworkers

    EIN 381949101 · Headquarters: Alpena, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. United Steelworkers

    EIN 381950821 · Headquarters: TRAUNIK, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. United Steelworkers

    EIN 381959508 · Headquarters: Bay City, MI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  8. United Steelworkers

    EIN 382008717 · Headquarters: Spalding, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. United Steelworkers

    EIN 382028351 · Headquarters: Watervliet, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. United Steelworkers

    EIN 382028962 · Headquarters: Coldwater, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. United Steelworkers

    EIN 382034853 · Headquarters: Niles, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. United Steelworkers

    EIN 382250974 · Headquarters: Fremont, OH, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  13. United Steelworkers

    EIN 382272622 · Headquarters: Muskegon, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. United Steelworkers

    EIN 382290277 · Headquarters: Roscommon, MI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. United Steelworkers

    EIN 382293283 · Headquarters: Taylor, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. United Steelworkers

    EIN 382397294 · Headquarters: Clare, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. United Steelworkers

    EIN 382839733 · Headquarters: Coloma, MI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  18. United Steelworkers

    EIN 383102907 · Headquarters: Three Rivers, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. United Steelworkers

    EIN 383102908 · Headquarters: Greenville, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. United Steelworkers

    EIN 383150957 · Headquarters: ESCANABA, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  21. United Steelworkers

    EIN 383259234 · Headquarters: WATERVLIET, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  22. United Steelworkers

    EIN 383502399 · Headquarters: Calumet, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. United Steelworkers

    EIN 383555588 · Headquarters: Manton, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. United Steelworkers

    EIN 383632073 · Headquarters: Niles, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. United Steelworkers

    EIN 384002216 · Headquarters: Knox, IN, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. United Steelworkers

    EIN 386076995 · Headquarters: Scottville, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. United Steelworkers

    EIN 386090825 · Headquarters: Constantine, MI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  28. United Steelworkers

    EIN 386090859 · Headquarters: Addison, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. United Steelworkers

    EIN 386090863 · Headquarters: Manistee, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. United Steelworkers

    EIN 386090945 · Headquarters: Dafter, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. United Steelworkers

    EIN 386090946 · Headquarters: Sault Ste Marie, MI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  32. United Steelworkers

    EIN 386090950 · Headquarters: Rudyard, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. United Steelworkers

    EIN 386094469 · Headquarters: Beaverton, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. United Steelworkers

    EIN 386094676 · Headquarters: Lincoln Park, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. United Steelworkers

    EIN 386102513 · Headquarters: three rivers, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. United Steelworkers

    EIN 386140465 · Headquarters: Luzerne, MI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  37. United Steelworkers

    EIN 386142960 · Headquarters: prescott, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. United Steelworkers

    EIN 386146695 · Headquarters: Riverview, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. United Steelworkers

    EIN 386154779 · Headquarters: Alpena, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. United Steelworkers

    EIN 386154902 · Headquarters: KINDE, MI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  41. United Steelworkers

    EIN 390127033 · Headquarters: Milwaukee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  42. United Steelworkers

    EIN 390259765 · Headquarters: OAK CREEK, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  43. United Steelworkers

    EIN 390367769 · Headquarters: Wisconsin Rapids, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  44. United Steelworkers

    EIN 390498963 · Headquarters: Nekoosa, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  45. United Steelworkers

    EIN 390503005 · Headquarters: Neenah, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. United Steelworkers

    EIN 390635694 · Headquarters: New Berlin, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  47. United Steelworkers

    EIN 390671720 · Headquarters: Cudahy, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  48. United Steelworkers

    EIN 390732519 · Headquarters: Clintonville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. United Steelworkers

    EIN 390739608 · Headquarters: Neenah, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  50. United Steelworkers

    EIN 390756785 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. United Steelworkers

    EIN 390794788 · Headquarters: MILWAUKEE, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  52. United Steelworkers

    EIN 390810755 · Headquarters: Marinette, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. United Steelworkers

    EIN 390839352 · Headquarters: TOMAHAWK, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  54. United Steelworkers

    EIN 390847361 · Headquarters: Waukesha, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. United Steelworkers

    EIN 390860160 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  56. United Steelworkers

    EIN 390886962 · Headquarters: Schofield, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. United Steelworkers

    EIN 390920305 · Headquarters: Kaukauna, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. United Steelworkers

    EIN 390936307 · Headquarters: Racine, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  59. United Steelworkers

    EIN 390937069 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  60. United Steelworkers

    EIN 390941936 · Headquarters: Eau Claire, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  61. United Steelworkers

    EIN 390967767 · Headquarters: West Bend, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. United Steelworkers

    EIN 390968661 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. United Steelworkers

    EIN 390969374 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  64. United Steelworkers

    EIN 390970291 · Headquarters: CAMP DOUGLAS, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  65. United Steelworkers

    EIN 390971851 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. United Steelworkers

    EIN 390972915 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  67. United Steelworkers

    EIN 390975782 · Headquarters: Green Bay, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. United Steelworkers

    EIN 390979882 · Headquarters: Juneau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. United Steelworkers

    EIN 390986159 · Headquarters: Pepere, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  70. United Steelworkers

    EIN 391016258 · Headquarters: Marshfield, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. United Steelworkers

    EIN 391016819 · Headquarters: Appleton, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. United Steelworkers

    EIN 391020465 · Headquarters: Kaukauna, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  73. United Steelworkers

    EIN 391021050 · Headquarters: Wisconsin Rapids, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  74. United Steelworkers

    EIN 391022771 · Headquarters: North Freedom, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. United Steelworkers

    EIN 391027068 · Headquarters: Wausau, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. United Steelworkers

    EIN 391027332 · Headquarters: Manitowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. United Steelworkers

    EIN 391144925 · Headquarters: Florence, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. United Steelworkers

    EIN 391181449 · Headquarters: Bonduel, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. United Steelworkers

    EIN 391187407 · Headquarters: BRILLION, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. United Steelworkers

    EIN 391193072 · Headquarters: Mosinee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  81. United Steelworkers

    EIN 391197749 · Headquarters: Redgranite, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  82. United Steelworkers

    EIN 391348607 · Headquarters: Randomlake, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  83. United Steelworkers

    EIN 391472611 · Headquarters: Marion, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  84. United Steelworkers

    EIN 391930433 · Headquarters: Evansville, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. United Steelworkers

    EIN 392285713 · Headquarters: Little Lake, MI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. United Steelworkers

    EIN 392417273 · Headquarters: Piscataway, NJ, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  87. United Steelworkers

    EIN 396050714 · Headquarters: South Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. United Steelworkers

    EIN 396060367 · Headquarters: Neenah, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  89. United Steelworkers

    EIN 396061997 · Headquarters: Milwaukee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. United Steelworkers

    EIN 396062656 · Headquarters: Kewannee, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. United Steelworkers

    EIN 396065507 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. United Steelworkers

    EIN 396068374 · Headquarters: Appleton, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  93. United Steelworkers

    EIN 396072936 · Headquarters: West Allis, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. United Steelworkers

    EIN 396075525 · Headquarters: Pulaski, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  95. United Steelworkers

    EIN 396075644 · Headquarters: Green Bay, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  96. United Steelworkers

    EIN 396076300 · Headquarters: Appleton, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. United Steelworkers

    EIN 396076301 · Headquarters: SEYMOUR, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. United Steelworkers

    EIN 396076461 · Headquarters: Fond Du Lac, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. United Steelworkers

    EIN 396077513 · Headquarters: Mosinee, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  100. United Steelworkers

    EIN 396077519 · Headquarters: DEPERE, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

First page and all pages