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. Order of the Eastern Star of Iowa

    EIN 237548520 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Order of the Eastern Star of Iowa

    EIN 237548535 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Order of the Eastern Star of Iowa

    EIN 237548537 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  4. Order of the Eastern Star of Iowa

    EIN 237548538 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  5. Order of the Eastern Star of Iowa

    EIN 237548542 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Order of the Eastern Star of Iowa

    EIN 237577070 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  7. Order of the Eastern Star of Iowa

    EIN 420213992 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Order of the Eastern Star of Iowa

    EIN 420449878 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  9. Order of the Eastern Star of Iowa

    EIN 420450593 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  10. Order of the Eastern Star of Iowa

    EIN 420450594 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  11. Order of the Eastern Star of Iowa

    EIN 421043706 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. Order of the Eastern Star of Iowa

    EIN 421049608 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  13. Order of the Eastern Star of Iowa

    EIN 421060616 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  14. Order of the Eastern Star of Iowa

    EIN 421063233 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  15. Order of the Eastern Star of Iowa

    EIN 421066470 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Order of the Eastern Star of Iowa

    EIN 421067297 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Order of the Eastern Star of Iowa

    EIN 421068501 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Order of the Eastern Star of Iowa

    EIN 421068559 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Order of the Eastern Star of Iowa

    EIN 421068920 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Order of the Eastern Star of Iowa

    EIN 421069527 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  21. Order of the Eastern Star of Iowa

    EIN 421076050 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  22. Order of the Eastern Star of Iowa

    EIN 421091601 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Order of the Eastern Star of Iowa

    EIN 421092072 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Order of the Eastern Star of Iowa

    EIN 421099745 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  25. Order of the Eastern Star of Iowa

    EIN 421109471 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Order of the Eastern Star of Iowa

    EIN 421115373 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  27. Order of the Eastern Star of Iowa

    EIN 421117096 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. Order of the Eastern Star of Iowa

    EIN 421119773 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Order of the Eastern Star of Iowa

    EIN 421226311 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  30. Order of the Eastern Star of Iowa

    EIN 421230234 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  31. Order of the Eastern Star of Iowa

    EIN 421242040 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Order of the Eastern Star of Iowa

    EIN 426062159 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  33. Order of the Eastern Star of Iowa

    EIN 426064194 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Order of the Eastern Star of Iowa

    EIN 426064692 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  35. Order of the Eastern Star of Iowa

    EIN 426065508 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Order of the Eastern Star of Iowa

    EIN 426066626 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  37. Order of the Eastern Star of Iowa

    EIN 426067479 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  38. Order of the Eastern Star of Iowa

    EIN 426068401 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  39. Order of the Eastern Star of Iowa

    EIN 426070158 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Order of the Eastern Star of Iowa

    EIN 426121976 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Order of the Eastern Star of Iowa

    EIN 426272511 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  42. Order of the Eastern Star of Iowa

    EIN 510245765 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Order of the Eastern Star of Iowa

    EIN 510245786 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Order of the Eastern Star of Iowa Heartland Chapter No 305

    EIN 426091125 · Headquarters: Knoxville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Organic Crop Improvement Associatio

    EIN 421471691 · Headquarters: JEFFERSON, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  46. Organicdevelopersnet Limited

    EIN 873386241 · Headquarters: Fairfield, IA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  47. Orient Economic Development Corporation

    EIN 271789388 · Headquarters: Orient, IA, US · Unknown & Unclassified · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  48. Orient Housing Project

    EIN 237221476 · Headquarters: Creston, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Orient Macksburg Education

    EIN 273394472 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Original University Foundation

    EIN 420861651 · Headquarters: Ames, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  51. Osage Chamber of Commerce

    EIN 420451285 · Headquarters: OSAGE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  52. Osage Community Chest

    EIN 421067225 · Headquarters: Osage, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Osage Community School Education Association

    EIN 510174993 · Headquarters: Osage, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Osage Educational Services Association

    EIN 274400060 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  55. Osage Senior Citizens Center

    EIN 421050299 · Headquarters: Osage, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  56. Osborn Cemetery

    EIN 421216691 · Headquarters: Bussey, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  57. Osceola Community Hospital Inc

    EIN 420890973 · Headquarters: SIBLEY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Osceola County Historical Society

    EIN 421212426 · Headquarters: SIBLEY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  59. Osceola County Livestock Show

    EIN 420451561 · Headquarters: Sibley, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Osceola County Rural Water System

    EIN 421068607 · Headquarters: MAY CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  61. Osceola County Sportsmans Club

    EIN 421224952 · Headquarters: SIBLEY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  62. Osceola Electric Cooperative Inc

    EIN 420451575 · Headquarters: SIBLEY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Oskaloosa Band Boosters Inc

    EIN 237209661 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Oskaloosa Community Theater Inc

    EIN 427400859 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Oskaloosa Education Association

    EIN 237100129 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  66. Oskaloosa Education Foundation Incorporated

    EIN 421421563 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Oskaloosa High School Orchestra Boosters

    EIN 421511525 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  68. Oskaloosa Retirement Homes Inc C/o Keyway Management Company

    EIN 421081648 · Headquarters: WEST DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  69. Oskaloosa Rotary Chapter of Rotary International

    EIN 426081201 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Oskaloosa Support Staff Association

    EIN 421342080 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  71. Ossian Housing Inc

    EIN 237445079 · Headquarters: VOLGA, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Oswald and Sophia Bathalter Trust C/o Dewitt Bank & Trust Co

    EIN 421368307 · Headquarters: DEWITT, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  73. Otter Creek Sportsmans Club

    EIN 426062240 · Headquarters: HIAWATHA, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  74. Ottumwa Area Chamber of Commerce

    EIN 420452840 · Headquarters: OTTUMWA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Ottumwa Civic Music Association

    EIN 237119079 · Headquarters: OTTUMWA, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  76. Ottumwa Education Association

    EIN 421231864 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  77. Ottumwa Habitat for Humanity

    EIN 421358343 · Headquarters: OTTUMWA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  78. Ottumwa Kitten Project

    EIN 931396330 · Headquarters: OTTUMWA, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Ottumwa Pro Balloon Race Committee Inc

    EIN 421391285 · Headquarters: Agency, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  80. Ottumwa Quilters Guild

    EIN 371587138 · Headquarters: Ottumwa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  81. Ottumwa Tennis Club Incorporated

    EIN 901179861 · Headquarters: Ottumwa, IA, US · Unknown & Unclassified · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  82. Ottumwa YMCA

    EIN 420725202 · Headquarters: Ottumwa, IA, United States · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Ottumwa Yorkrite Bodies

    EIN 421455101 · Headquarters: OTTUMWA, IA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  84. Our Foundation for the Future

    EIN 421073514 · Headquarters: EAGLE GROVE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  85. Our House Child Dev

    EIN 420956324 · Headquarters: SHENANDOAH, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Our Lady of the Mississippi Abbey Trappistine Nuns

    EIN 420878319 · Headquarters: Dubuque, IA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-T

  87. Outdoor Advertising Association of Iowa

    EIN 421368047 · Headquarters: Urbandale, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  88. Oxford Junction Housing Inc

    EIN 510164377 · Headquarters: Mechanicsville, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Oyens Fire Department

    EIN 421168055 · Headquarters: Oyens, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. P E O Sisterhood International

    EIN 300747712 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. P E O Sisterhood International

    EIN 300747979 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  92. P E O Sisterhood International

    EIN 320387316 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. P E O Sisterhood International

    EIN 320389435 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  94. P E O Sisterhood International

    EIN 352435432 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  95. P E O Sisterhood International

    EIN 352436030 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  96. P E O Sisterhood International

    EIN 352445644 · Headquarters: DES MOINES, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  97. P E O Sisterhood International

    EIN 352451820 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. P E O Sisterhood International

    EIN 352459842 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. P E O Sisterhood International

    EIN 364721167 · Headquarters: DES MOINES, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. P E O Sisterhood International

    EIN 364729150 · Headquarters: DES MOINES, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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