Unknown & Unclassified nonprofits in Iowa

Unknown & Unclassified nonprofits in Iowa. Browse 15,415 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 Legion Post 0597 John Frahm Post

    EIN 426077424 · Headquarters: Elma, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  2. American Legion Post 0620 Valley

    EIN 426074394 · Headquarters: West Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. American Legion Post 0622 Grand Mound

    EIN 426076620 · Headquarters: Grand Mound, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. American Legion Post 0624 F Roger Baumann

    EIN 421115054 · Headquarters: CUSHING, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. American Legion Post 0627 Ranney- Weisbrod

    EIN 426076527 · Headquarters: Fenton, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  6. American Legion Post 0631 Wadena

    EIN 420775023 · Headquarters: Wadena, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. American Legion Post 0633 Williams Legion

    EIN 426074391 · Headquarters: Williams, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. American Legion Post 0636 Peter Kress

    EIN 426076861 · Headquarters: Dunkerton, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. American Legion Post 0639 Carl Jacobsen

    EIN 426074376 · Headquarters: ELDRIDGE, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American Legion Post 0648

    EIN 426074520 · Headquarters: Macedonia, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  11. American Legion Post 0712 Ringgold

    EIN 426081072 · Headquarters: MOUNT AYR, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. American Legion Post 104

    EIN 426073499 · Headquarters: BENNETT, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  13. American Legion Post 128

    EIN 420678713 · Headquarters: Sidney, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. American Legion Post 136

    EIN 420646122 · Headquarters: ALBIA, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. American Legion Post 137

    EIN 420665392 · Headquarters: DYERSVILLE, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. American Legion Post 145

    EIN 426014474 · Headquarters: Sheldon, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. American Legion Post 168 Baty Tucker

    EIN 426127856 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. American Legion Post 17

    EIN 420644205 · Headquarters: IOWA CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  19. American Legion Post 191

    EIN 420635941 · Headquarters: WEBSTER CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  20. American Legion Post 193

    EIN 420710978 · Headquarters: NEWELL, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. American Legion Post 206 Feye En Heye Inc

    EIN 420250955 · Headquarters: eldon, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. American Legion Post 215 Charles Ladd

    EIN 426127842 · Headquarters: GRAND RIVER, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. American Legion Post 232

    EIN 426076875 · Headquarters: POLK CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. American Legion Post 242 Action

    EIN 426064248 · Headquarters: Reinbeck, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. American Legion Post 245 Lundbye Carpenter

    EIN 421213158 · Headquarters: Maynard, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  26. American Legion Post 250 Parkinson

    EIN 426096105 · Headquarters: Lenox, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. American Legion Post 252

    EIN 426073753 · Headquarters: ACKLEY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  28. American Legion Post 254 Two Oaks

    EIN 426061256 · Headquarters: HAWARDEN, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. American Legion Post 265 Head Endres

    EIN 426076509 · Headquarters: Greenfield, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. American Legion Post 267 Pocket City

    EIN 420648715 · Headquarters: Mc Gregor, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. American Legion Post 272 William Monster

    EIN 426127904 · Headquarters: Boyden, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. American Legion Post 285

    EIN 426008174 · Headquarters: PARKERSBURG, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. American Legion Post 288

    EIN 420712352 · Headquarters: HARTLEY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  34. American Legion Post 309

    EIN 426127917 · Headquarters: MECHANICSVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  35. American Legion Post 331

    EIN 421158542 · Headquarters: SPRINGVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  36. American Legion Post 348

    EIN 426081082 · Headquarters: SOLON, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  37. American Legion Post 353

    EIN 420651751 · Headquarters: ELDRIDGE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  38. American Legion Post 391 P M C K S

    EIN 426081060 · Headquarters: Carlisle, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  39. American Legion Post 403 Van Meter

    EIN 426074483 · Headquarters: VAN METER, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. American Legion Post 42

    EIN 426065847 · Headquarters: Ankeny, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  41. American Legion Post 460 Stinocher

    EIN 420681375 · Headquarters: SOLON, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. American Legion Post 493

    EIN 861079138 · Headquarters: BAXTER, IA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  43. American Legion Post 510

    EIN 426127837 · Headquarters: FARNHAMVILLE, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. American Legion Post 520

    EIN 421247637 · Headquarters: Malvern, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  45. American Legion Post 528

    EIN 420255051 · Headquarters: CASCADE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. American Legion Post 552

    EIN 426127836 · Headquarters: FAIRBANK, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  47. American Legion Post 562

    EIN 426127824 · Headquarters: CUMMING, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  48. American Legion Post 59 Lafay

    EIN 420889177 · Headquarters: STORY CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. American Legion Post 6

    EIN 420113065 · Headquarters: DUBUQUE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  50. American Legion Post 635 Harold Mcbroom

    EIN 426073768 · Headquarters: Laurel, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. American Legion Post 650 John White

    EIN 426072608 · Headquarters: Epworth, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. American Legion Post 668

    EIN 420639410 · Headquarters: WEST POINT, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  53. American Legion Post 718 Lawton

    EIN 426073769 · Headquarters: Lawton, IA, US · Unknown & Unclassified · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  54. American Legion Post 728

    EIN 900617602 · Headquarters: Johnston, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  55. American Legion Post 81

    EIN 426127818 · Headquarters: COLLINS, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  56. American Legion Post No 164 JF Hardin Post No 164

    EIN 426073822 · Headquarters: Bedford, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. American Legion Post Seventh District Post

    EIN 426077437 · Headquarters: Elk Horn, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  58. American Legion Prairie La Porte Po

    EIN 426081043 · Headquarters: GUTTENBERG, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  59. American Legion Rex Strait Post 103

    EIN 420068780 · Headquarters: LARCHWOOD, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. American Legion Second District Post

    EIN 426073799 · Headquarters: Epworth, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. American Legion Sn 588 W D Steiner

    EIN 426127877 · Headquarters: Varina, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  62. American Legion Thomas F Bevins-148

    EIN 426074482 · Headquarters: Van Horne, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. American Legion Treynor Post 725

    EIN 420886408 · Headquarters: TREYNOR, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. American Legion Walter Johnson Post 721

    EIN 420872310 · Headquarters: CORALVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. American Legion Walter Sayer Post

    EIN 420113085 · Headquarters: Eldora, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. American Legion-post 0037

    EIN 420630988 · Headquarters: AMES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. American Outlaws Des Moines Chapter

    EIN 413143676 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. American Outlaws Iowa City Chapter

    EIN 813237800 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  69. American Planning Association Iowa Chapter

    EIN 466004932 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. American Postal Workers Accident Benefit Association

    EIN 421279062 · Headquarters: Cedar Rapids, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. American Postal Workers Union

    EIN 237340413 · Headquarters: Fort Dodge, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  72. American Postal Workers Union

    EIN 237340420 · Headquarters: Creston, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. American Postal Workers Union

    EIN 237340426 · Headquarters: Grinnell, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  74. American Postal Workers Union

    EIN 237340863 · Headquarters: MT PLEASANT, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. American Postal Workers Union

    EIN 237340864 · Headquarters: Waterloo, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. American Postal Workers Union

    EIN 237341118 · Headquarters: Mason City, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  77. American Postal Workers Union

    EIN 420835932 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. American Postal Workers Union

    EIN 420845617 · Headquarters: Council Bluffs, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. American Postal Workers Union

    EIN 420865108 · Headquarters: SIOUX CITY, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. American Postal Workers Union

    EIN 421208150 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  81. American Postal Workers Union

    EIN 421434520 · Headquarters: CLINTON, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  82. American Postal Workers Union

    EIN 426069067 · Headquarters: CEDAR RAPIDS, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. American Postal Workers Union 7027 APWU BMC Local 7027

    EIN 421058870 · Headquarters: CLIVE, IA, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  84. American Postal Workers Union Auxiliary

    EIN 364734347 · Headquarters: Bondurant, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. American Postal Workers Union Auxiliary Des Moines

    EIN 522268348 · Headquarters: Bondurant, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. AMERICAN POSTAL WORKERS UNION State of Iowa Postal Workers Union

    EIN 420331897 · Headquarters: Des Moines, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  87. American Rental Association

    EIN 421466542 · Headquarters: Altoona, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. American Rose Society

    EIN 581840974 · Headquarters: NEWTON, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  89. American Sable Rabbit Society

    EIN 800439506 · Headquarters: TRAER, IA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  90. American Saddlebred Horse Futurity of Iowa Inc

    EIN 421343698 · Headquarters: De Soto, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  91. American Schleswig Holstein Heritage Society

    EIN 421347128 · Headquarters: Walcott, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. American Society for Clinical Laboratory Science

    EIN 237044858 · Headquarters: Tiffin, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  93. American Society for Netherlands Philately

    EIN 432088918 · Headquarters: Muscatine, IA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  94. American Society for Training and Development

    EIN 510222842 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  95. American Society for Training and Development

    EIN 510222991 · Headquarters: CEDAR RAPIDS, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. American Society for Training and Development

    EIN 930809761 · Headquarters: Davenport, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. American Society of Agricultural Engineers

    EIN 311178885 · Headquarters: Ames, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. American Society of Agricultural Engineers

    EIN 363309071 · Headquarters: Davenport, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. American Society of Appraisers

    EIN 521344617 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  100. American Society of Farm Managers & Rural Appraisers Inc

    EIN 363353183 · Headquarters: Ankeny, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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