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. Northeast Iowa Technical Institute Higher Education Association

    EIN 421310627 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  2. Northeast Nebraska Development Corporation

    EIN 272500503 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  3. Northwest Davenport Group

    EIN 223980763 · Headquarters: Davenport, IA, US · Unknown & Unclassified · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  4. Northwest Iowa Corridor Habitat for Humanity

    EIN 421459332 · Headquarters: Spirit Lake, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  5. Northwest Iowa Farm Business Assoc

    EIN 420688074 · Headquarters: SHELDON, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  6. Northwest Iowa Power Cooperative

    EIN 420723014 · Headquarters: Le Mars, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  7. Northwest Iowa Professional Photographers Association Inc

    EIN 421513546 · Headquarters: Perry, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. Northwest Iowa Project Lifesaver Inc

    EIN 272589927 · Headquarters: Spencer, IA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  9. Northwest Iowa Protestant Reformed Christian School

    EIN 426095157 · Headquarters: Doon, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  10. Northwest Iowa Regional Board of Realtor

    EIN 420527669 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Northwest Iowa Retreiver Club

    EIN 726021094 · Headquarters: Spirit Lake, IA, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  12. Northwest Iowa Teens Encounter Christ

    EIN 421459804 · Headquarters: Rock Valley, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  13. Northwest Soccer Club

    EIN 421184295 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  14. Northwest Webster Teachers Association

    EIN 421314113 · Headquarters: Humboldt, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  15. Northwood Meals on Wheels Inc

    EIN 421032519 · Headquarters: Northwood, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Northwood Senior Center Inc

    EIN 421198827 · Headquarters: Northwood, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  17. Northwood Swensrud Fund

    EIN 421280299 · Headquarters: NORTHWOOD, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  18. Northwood-kensett Education Association

    EIN 421094049 · Headquarters: Northwood, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Norunn Stangland Foundation

    EIN 421333089 · Headquarters: GUTHRIE CENTER, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Norwalk Area Chamber of Commerce

    EIN 421391907 · Headquarters: NORWALK, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  21. Norwalk Cemetary Association

    EIN 420654203 · Headquarters: NORWALK, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  22. Norwalk Firefighters Association Inc

    EIN 421442772 · Headquarters: Norwalk, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Norwalk Professional Education Association

    EIN 510162558 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  24. Norwalk Purple Aces Softball Club

    EIN 260544957 · Headquarters: Norwalk, IA, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  25. Norwalk Rebels

    EIN 271150229 · Headquarters: Norwalk, IA, US · Unknown & Unclassified · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  26. Norwalk Schools Music Boosters

    EIN 421359963 · Headquarters: NORWALK, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  27. Numa Cemetery Association

    EIN 420859577 · Headquarters: Numa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  28. O Brien County Pork Producers

    EIN 273674108 · Headquarters: Hartley, IA, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  29. O'brien County Sportsmen's Club

    EIN 421281891 · Headquarters: ARCHER, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  30. O3 Safe

    EIN 842767590 · Headquarters: Sioux Center, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  31. Oabcig Education Association

    EIN 237439588 · Headquarters: Ida Grove, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  32. Oak Hill Cemetary Association

    EIN 420445470 · Headquarters: BELLE PLAINE, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  33. Oak Hill Cemetery

    EIN 420445460 · Headquarters: Cedar Rapids, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  34. Oak Hill Cemetery Association

    EIN 420445463 · Headquarters: Williamsburg, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Oak Hill Cemetery Association

    EIN 420711008 · Headquarters: Bristow, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  36. Oak Hill Cemetery Association

    EIN 426058622 · Headquarters: Tama, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  37. Oak Hill Cemetery Association

    EIN 426076465 · Headquarters: Elkader, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Oak Leaf Country Club

    EIN 420791875 · Headquarters: REINBECK, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Oakdale Cemetery Association Inc

    EIN 420734788 · Headquarters: Wilton, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  40. Oakdale Memorial Gardens Inc

    EIN 420445550 · Headquarters: DAVENPORT, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  41. Oakland Cemetery Association

    EIN 420445660 · Headquarters: CLINTON, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Oakland Mercy Hospital Foundation

    EIN 311678345 · Headquarters: MASON CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  43. Oakland Mills Cemetery Assn

    EIN 426076466 · Headquarters: Mount Pleasant, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Oakview Cemetery Association

    EIN 426063204 · Headquarters: DEWITT, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  45. OCO Inc

    EIN 471854856 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  46. Odebolt Cemetery Association

    EIN 420654578 · Headquarters: Odebolt, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  47. Odebolt Comm Hsg Corp

    EIN 420099107 · Headquarters: Vail, IA, US · Unknown & Unclassified · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  48. Odebolt Development Corporation

    EIN 237026765 · Headquarters: Odebolt, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  49. Odebolt Fire Department Association

    EIN 472968816 · Headquarters: Odebolt, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Odebolt-arthur Parent Teacher Community Partnership

    EIN 461085740 · Headquarters: ODEBOLT, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Odella S Baak Charitable Trust

    EIN 476983787 · Headquarters: SIOUX CITY, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  52. Oelwein Area Historical Society

    EIN 421061661 · Headquarters: Oelwein, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  53. Oelwein Area United Way Inc

    EIN 421225224 · Headquarters: Oelwein, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  54. Oelwein Chamber and Area Development Inc

    EIN 421295227 · Headquarters: Oelwein, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Oelwein Community Education Association

    EIN 421084816 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  56. Oelwein Senior Citizens Housing Corporation

    EIN 237354589 · Headquarters: INDEPENDENCE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  57. Oelwein Support Staff Association

    EIN 421343708 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  58. Oelwein-fairbank Sharks Swim Team

    EIN 863289553 · Headquarters: Gilbertville, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Ogden Alumni Association

    EIN 473260893 · Headquarters: OGDEN, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. Ogden Athletic Booster Club Inc

    EIN 421220867 · Headquarters: OGDEN, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Ogden Community Scholarship Fdn %Lesli Hayes

    EIN 237439812 · Headquarters: OGDEN, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Ogden Development Corp Inc

    EIN 237096616 · Headquarters: OGDEN, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Ogden Education Association

    EIN 421089533 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  64. Oklahoma Gas & Electric Company Medical

    EIN 364054466 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  65. Oklahoma Gas and Electric Company

    EIN 736290375 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  66. Okoboji Bible Conference Ministries

    EIN 363459944 · Headquarters: ARNOLDS PARK, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Okoboji Cemetery Association

    EIN 237271679 · Headquarters: Arnolds Park, IA, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  68. Okoboji Education Association

    EIN 274416226 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  69. Okoboji Foundation

    EIN 421322070 · Headquarters: OKOBOJI, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  70. Okoboji Protective Association

    EIN 421358811 · Headquarters: Okoboji, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  71. Okoboji Yacht Club Inc

    EIN 237409197 · Headquarters: MILFORD, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  72. Oktoberfest Committee

    EIN 421206961 · Headquarters: OTTUMWA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  73. Olberg Family Charitable Trust

    EIN 421305184 · Headquarters: MARION, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  74. Old Brick Episcopal Corporation

    EIN 421304575 · Headquarters: Iowa City, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  75. Old Creamery Theatre Company Inc

    EIN 420985212 · Headquarters: AMANA, IA, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990

  76. Old Fort Players Inc

    EIN 421193559 · Headquarters: Fort Madison, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Old Iron Company

    EIN 421106280 · Headquarters: Hartley, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Old Rose Hill Cemetery Association

    EIN 471528572 · Headquarters: Rose Hill, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Old Stone Cemetery

    EIN 010934793 · Headquarters: Burlington, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Old Threshers Foundation Inc

    EIN 421272944 · Headquarters: MT PLEASANT, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  81. Olin Corporation Veba Tr - Cmb

    EIN 431201633 · Headquarters: DES MOINES, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Olin Education Association

    EIN 237100128 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Ollie Community Retirement Corp

    EIN 421111103 · Headquarters: NORTH ENGLISH, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Omaha African Violet and Gesneraid Society

    EIN 261472070 · Headquarters: Sioux City, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Omaha Weavers and Spinners Guild

    EIN 812560002 · Headquarters: Malvern, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Omega Delta Corporation

    EIN 426076461 · Headquarters: WAUKEE, IA, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  87. Omega of Gamma Phi Beta Inc

    EIN 420267570 · Headquarters: CORALVILLE, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  88. Omega Psi Phi Fraternity

    EIN 426100376 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Omicron Kappa Upsilon-honorary Dental Society

    EIN 237140266 · Headquarters: Iowa City, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  90. On with Life Inc

    EIN 421308032 · Headquarters: ANKENY, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Onawa Chamber of Commerce

    EIN 420674848 · Headquarters: ONAWA, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Onawa Country Club Corp

    EIN 420667813 · Headquarters: ONAWA, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  93. Onawa Kiwanis Foundation

    EIN 421202583 · Headquarters: ONAWA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Onawa Library Advocates Foundation

    EIN 205715519 · Headquarters: ONAWA, IA, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  95. Oncology Nursing Society

    EIN 421272854 · Headquarters: North Liberty, IA, US · Unknown & Unclassified · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  96. One Foundation Incorporated

    EIN 860610662 · Headquarters: Cedar Rapids, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  97. One Love Legacy

    EIN 333746178 · Headquarters: Keota, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  98. One World Arts

    EIN 412488610 · Headquarters: Des Moines, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  99. Oneida Cemetery Association

    EIN 426063958 · Headquarters: Clutier, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Oneota Golf & Country Club

    EIN 420450005 · Headquarters: DECORAH, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

First page and all pages