Nonprofits in Oskaloosa, Iowa

Nonprofits in Oskaloosa, Iowa. Browse 159 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. 4-H Clubs & Affiliated 4-H Organizations

    EIN 208697350 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  2. 4-H Clubs & Affiliated 4-H Organizations

    EIN 421481266 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  3. 4-H Clubs & Affiliated 4-H Organizations

    EIN 421482117 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  4. 4-H Clubs & Affiliated 4-H Organizations

    EIN 421484940 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  5. 716 Spring Creeks Chapter of Trout Unlimited

    EIN 421508262 · Headquarters: OSKALOOSA, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Altrusa International Inc

    EIN 320480338 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  7. Altrusa International Inc

    EIN 426060926 · Headquarters: OSKALOOSA, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  8. American Association of University Women

    EIN 426123770 · Headquarters: Oskaloosa, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  9. American Legion Auxiliary

    EIN 426076221 · Headquarters: OSKALOOSA, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. American Legion Post #0034

    EIN 420115895 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Ancient Free & Accepted Masons of Iowa

    EIN 237503282 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Ancient Free & Accepted Masons of Iowa

    EIN 426057383 · Headquarters: OSKALOOSA, IA, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  13. Ark Project Us

    EIN 843000119 · Headquarters: OSKALOOSA, IA, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  14. Auxiliary of Mahaska Hospital Auxiliary

    EIN 420887231 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Beacon Cemetery Association

    EIN 426061180 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  16. Benevolent and Protective Order of Elks Lodge 340

    EIN 420136095 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  17. Bethesda House Inc

    EIN 261252044 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Birthright of Oskaloosa Iowa

    EIN 421203121 · Headquarters: Oskaloosa, IA, US · Human Services · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  19. Brouwer Family Foundation

    EIN 853763749 · Headquarters: Oskaloosa, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  20. Carl & Martha Drost Charitable Foun

    EIN 141945040 · Headquarters: OSKALOOSA, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  21. Child Evangelism Fellowship Inc

    EIN 421176991 · Headquarters: Oskaloosa, IA, US · Religion Related · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  22. Children Soldiers for Christianity Inc

    EIN 810889913 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  23. Christian Homeschool Assistance Program

    EIN 871242368 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Clarence & Lilly Pickett Endowment

    EIN 421391997 · Headquarters: Oskaloosa, IA, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-PF

  25. Columbiettes Inc

    EIN 372003680 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  26. Communication Research Institute In

    EIN 412233484 · Headquarters: OSKALOOSA, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-PF

  27. Country Life Health Care Inc

    EIN 421339982 · Headquarters: OSKALOOSA, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990

  28. Crisis Intervention Services Inc

    EIN 391879622 · Headquarters: OSKALOOSA, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  29. Crookham Family Foundation

    EIN 320128589 · Headquarters: OSKALOOSA, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  30. Delta Kappa Gamma Society

    EIN 426095712 · Headquarters: Oskaloosa, IA, US · Education · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  31. Department of Iowa Auxiliary to the Veterans of Foreign Wars

    EIN 710998300 · Headquarters: Oskaloosa, IA, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. Detroit Concert Band Inc

    EIN 237101166 · Headquarters: OSKALOOSA, IA, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  33. Disabled American Veterans

    EIN 426124926 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  34. Disabled American Veterans Auxiliary Inc

    EIN 237336862 · Headquarters: Oskaloosa, IA, US · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  35. Dreaming Is Believing Motorsports Foundation

    EIN 810944422 · Headquarters: OSKALOOSA, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  36. Fine Arts and Cultural Events of Ma

    EIN 453787798 · Headquarters: OSKALOOSA, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  37. First Baptist Church

    EIN 420958339 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  38. Forest Cemetery Association

    EIN 420257260 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Fort Des Moines Rangers Inc

    EIN 431954581 · Headquarters: OSKALOOSA, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Fraternal Order of Eagles

    EIN 426062595 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  41. Fraternal Order of Eagles 276

    EIN 420261125 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  42. Friends Development Fund Inc

    EIN 421122634 · Headquarters: Oskaloosa, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  43. Friends of the Auditorium

    EIN 421471089 · Headquarters: OSKALOOSA, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Friends of the Oskaloosa Public Library

    EIN 421265547 · Headquarters: Oskaloosa, IA, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. George Daily Charitable Trust

    EIN 421336683 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Golden Goose Club Inc

    EIN 810746244 · Headquarters: OSKALOOSA, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  47. Grant Senior Center

    EIN 800319681 · Headquarters: OSKALOOSA, IA, USA · Human Services · Latest available filing year: 2023 · Primary form: IRS Form 990

  48. Happily Ever After Cat Rescue and Education Center

    EIN 842294212 · Headquarters: Oskaloosa, IA, US · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  49. Hawkeye Fly Fishing Association Inc

    EIN 421076336 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  50. Heart of America Athletic Conference

    EIN 363388669 · Headquarters: OSKALOOSA, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  51. Hospice of Mahaska County Endowment Foundation

    EIN 421484884 · Headquarters: OSKALOOSA, IA, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  52. Imagine the Possibilities Inc

    EIN 421132747 · Headquarters: OSKALOOSA, IA, USA · Human Services · Latest available filing year: 2016 · Primary form: IRS Form 990-EZ

  53. Indian Enterprises Inc

    EIN 421210916 · Headquarters: OSKALOOSA, IA, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  54. International Assocation of Fire Fighters

    EIN 421151286 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  55. International Association of Lions Clubs

    EIN 262075039 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. International Association of Lions Clubs

    EIN 426265082 · Headquarters: OSKALOOSA, IA, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  57. International Association of Machinist

    EIN 426084721 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. International Brotherhood of Electrical Workers

    EIN 376045265 · Headquarters: Oskaloosa, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  59. International Order of the Rainbow Girls

    EIN 237507092 · Headquarters: Oskaloosa, IA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  60. International Order of the Rainbow Girls

    EIN 237507095 · Headquarters: Oskaloosa, IA, US · Youth Development · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  61. Iowa Babe Ruth Leagues Inc

    EIN 421257967 · Headquarters: OSKALOOSA, IA, US · Recreation & Sports · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  62. Iowa Elite Dual Teams Inc

    EIN 861256341 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Iowa Farm Bureau Federation

    EIN 420680726 · Headquarters: Oskaloosa, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Iowa Rainbow Foundation Inc

    EIN 421245948 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Iowa Scholastic Clay Target Program

    EIN 205520926 · Headquarters: OSKALOOSA, IA, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  66. Iowa State Police Association Local 13

    EIN 421311213 · Headquarters: Oskaloosa, IA, US · Crime & Legal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Izaak Walton League of America Inc

    EIN 426076830 · Headquarters: Oskaloosa, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  68. Joe and Carol Bates Charitable Foundation

    EIN 452160443 · Headquarters: OSKALOOSA, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2013 · Primary form: IRS Form 990-PF

  69. Kaos Gold Wrestling Inc

    EIN 450520525 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  70. Keo-mah Genealogical Society

    EIN 421174554 · Headquarters: Oskaloosa, IA, US · Arts, Culture & Humanities · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  71. Kids Corner Child Care Inc

    EIN 421395617 · Headquarters: Oskaloosa, IA, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  72. Kiwanis Club of Oskaloosa

    EIN 426076575 · Headquarters: Oskaloosa, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  73. Kiwanis Club of Oskaloosa-sunrise Club-Iowa

    EIN 421130347 · Headquarters: Oskaloosa, IA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  74. Knights of Columbus

    EIN 237314225 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  75. Knights of Columbus

    EIN 320352017 · Headquarters: Oskaloosa, IA, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Knights of Columbus

    EIN 420362210 · Headquarters: Oskaloosa, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  77. Knights Templar of the United States of America

    EIN 237618509 · Headquarters: OSKALOOSA, IA, US · Mutual & Membership Benefit · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  78. Launching Arrows

    EIN 812934471 · Headquarters: OSKALOOSA, IA, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Legacy of Grace School Tuition Org

    EIN 205287030 · Headquarters: OSKALOOSA, IA, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  80. Little Creations Preschool

    EIN 421504980 · Headquarters: Oskaloosa, IA, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  81. Little League Baseball Inc

    EIN 521225352 · Headquarters: Oskaloosa, IA, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  82. Love Inc of Mahaska County

    EIN 421467762 · Headquarters: OSKALOOSA, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  83. Mahaska Chamber and Development

    EIN 421458680 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  84. Mahaska Community Development Group

    EIN 562478656 · Headquarters: OSKALOOSA, IA, USA · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990

  85. Mahaska Community Recreation Founda

    EIN 421490426 · Headquarters: OSKALOOSA, IA, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  86. Mahaska County Community Emergency

    EIN 813530092 · Headquarters: OSKALOOSA, IA, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  87. Mahaska County Council for Child Protection Inc

    EIN 421178414 · Headquarters: Oskaloosa, IA, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  88. Mahaska County Employee Health Plan

    EIN 421187125 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Mahaska County Habitat for Humanity

    EIN 421410234 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  90. Mahaska County Historical Society

    EIN 420889923 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  91. Mahaska County Homelessness Coalition

    EIN 421526196 · Headquarters: Oskaloosa, IA, US · Human Services · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  92. Mahaska County Humane Society

    EIN 061663480 · Headquarters: OSKALOOSA, IA, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Mahaska County Outreach Inc

    EIN 421200786 · Headquarters: OSKALOOSA, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Mahaska County Ymca

    EIN 420741010 · Headquarters: OSKALOOSA, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Mahaska Future View

    EIN 421374393 · Headquarters: OSKALOOSA, IA, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Mahaska Hospice Auxiliary

    EIN 421247462 · Headquarters: OSKALOOSA, IA, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  97. Mahaska Hospital Foundation

    EIN 421426768 · Headquarters: OSKALOOSA, IA, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Mahaska Rural Water Systems Inc

    EIN 421027242 · Headquarters: OSKALOOSA, IA, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  99. Mahaska Soccer Club

    EIN 421522140 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  100. Moyer Elite Inc

    EIN 853085883 · Headquarters: Oskaloosa, IA, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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