Nonprofits in Oconomowoc, Wisconsin

Nonprofits in Oconomowoc, Wisconsin. Browse 264 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. 10 Rob Morris

    EIN 237534266 · Headquarters: Oconomowoc, WI, US · Mutual & Membership Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  2. Accreditation Review Committee for the Anesthesiologist Assistant (ARC-AA)

    EIN 451554551 · Headquarters: OCONOMOWOC, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  3. Ahava Productions Inc

    EIN 452969040 · Headquarters: OCONOMOWOC, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  4. Amateur Athletic Union of the Unite

    EIN 475211744 · Headquarters: OCONOMOWOC, WI, US · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  5. American Association of University Women

    EIN 391257871 · Headquarters: Oconomowoc, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  6. American Criminal Justice Association Lambda Alpha Epsilon

    EIN 901121130 · Headquarters: Oconomowoc, WI, US · Crime & Legal Related · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  7. American Federation of State County & Municipal Employees

    EIN 396097800 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  8. American Friends of Journey House Actions Rwanda Inc

    EIN 863150779 · Headquarters: OCONOMOWOC, WI, USA · International, Foreign Affairs & National Security · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. American Legion

    EIN 271176395 · Headquarters: Oconomowoc, WI, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  10. American Legion Auxiliary

    EIN 396089075 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  11. Americans for Autism Advocacy

    EIN 882363554 · Headquarters: Oconomowoc, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  12. Americans for Autism Advocacy Foundation

    EIN 882921927 · Headquarters: Oconomowoc, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Andrew and Joan McKenna Foundation

    EIN 367675793 · Headquarters: Oconomowoc, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  14. Annabell Acres Incorporated

    EIN 832949400 · Headquarters: OCONOMOWOC, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  15. Apostolate of Our Lady of Good Success

    EIN 820571791 · Headquarters: Oconomowoc, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  16. Arrowhead Diamond Club

    EIN 824076656 · Headquarters: OCONOMOWOC, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Association of Operating Room Nurses Inc

    EIN 237423459 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  18. Badger Athletics Booster Club Inc

    EIN 473638895 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  19. Barn Racing Team Inc

    EIN 882765416 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Big Five Tanzania Ltd

    EIN 850541896 · Headquarters: Oconomowoc, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Bostrom Foundation Inc

    EIN 396126790 · Headquarters: OCONOMOWOC, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2019 · Primary form: IRS Form 990-PF

  22. Brownberry Credit Union

    EIN 390986983 · Headquarters: Oconomowoc, WI, USA · Public & Societal Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990

  23. Brzezinski Family Fund

    EIN 396749437 · Headquarters: Oconomowoc, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  24. C a T C H Resources Inc

    EIN 753066734 · Headquarters: Oconomowoc, WI, US · Crime & Legal Related · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  25. Call in on Crime Inc

    EIN 421561343 · Headquarters: Oconomowoc, WI, USA · Religion Related · Latest available filing year: 2022 · Primary form: IRS Form 990-EZ

  26. Cancer Angels 4 Kids

    EIN 824598873 · Headquarters: Oconomowoc, WI, US · Health Care · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  27. Canticle Consort Inc

    EIN 205727564 · Headquarters: Oconomowoc, WI, US · Arts, Culture & Humanities · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  28. Canticum Novum a Wels Chamber Choir Inc

    EIN 821899746 · Headquarters: Oconomowoc, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  29. Carol and Richard Bayerlein Fdn Ltd

    EIN 391975173 · Headquarters: OCONOMOWOC, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  30. Catahome Feline Sanctuary

    EIN 922361579 · Headquarters: OCONOMOWOC, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  31. Cbmc Inc

    EIN 421667172 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  32. Changing Life Growing You

    EIN 260452595 · Headquarters: OCONOMOWOC, WI, US · Crime & Legal Related · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  33. Chief's Choice Foundation Inc

    EIN 205461786 · Headquarters: OCONOMOWOC, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2010 · Primary form: IRS Form 990-PF

  34. Club Humor Inc

    EIN 262127333 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Cosmic Stem Lab

    EIN 923085310 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  36. Crystal Lake Assoc Inc

    EIN 391822694 · Headquarters: Oconomowoc, WI, USA · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-EZ

  37. Crystal Lake Assoc Inc

    EIN 872116493 · Headquarters: Oconomowoc, WI, USA · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  38. Debbink Family Foundation Inc

    EIN 391904743 · Headquarters: OCONOMOWOC, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  39. Delta Gamma Fraternity

    EIN 396070684 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  40. Delta Sigma Delta Fraternity

    EIN 396092879 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Delta Sigma Delta Fraternity

    EIN 546070396 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Delta Sigma Delta Fraternity

    EIN 546070397 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  43. Delta Theta Sigma Educational Foundation of Gamma Chapter Inc

    EIN 391715031 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Downtown Oconomowoc Business District Inc

    EIN 462407807 · Headquarters: OCONOMOWOC, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  45. Dress Campaign Inc

    EIN 923856689 · Headquarters: OCONOMOWOC, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  46. Earl and Eugenia Quirk Foundation Inc

    EIN 396059626 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  47. Edcamp Lake Country

    EIN 465205478 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  48. Elder Justice Foundation Inc

    EIN 475206242 · Headquarters: Oconomowoc, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Elite Skating Academy Inc

    EIN 842480341 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Emil Ewald Family Foundation Inc

    EIN 391687505 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  51. Enough Already Wi Inc

    EIN 461306441 · Headquarters: OCONOMOWOC, WI, US · Civil Rights, Social Action & Advocacy · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  52. Executive Women International Business CareerDevelopment Program-Group

    EIN 742583364 · Headquarters: OCONOMOWOC, WI, USA · Education · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  53. Fr Das Mission To India Inc

    EIN 921283927 · Headquarters: Oconomowoc, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Friends of Autism Inc

    EIN 391985857 · Headquarters: Oconomowoc, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  55. Friends of Imagination Station Inc

    EIN 271656492 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Friends of Oconomowoc Parks & Trails Inc

    EIN 854353311 · Headquarters: OCONOMOWOC, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  57. Friends of the Oconomowoc Public Library

    EIN 872074406 · Headquarters: OCONOMOWOC, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Friends of the State Historical Society of Wisconsin

    EIN 396058030 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  59. Friendship Force of Greater Milwaukee Inc

    EIN 271510642 · Headquarters: Oconomowoc, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  60. German Christmas Market of Oconomow

    EIN 452774712 · Headquarters: Oconomowoc, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  61. Gifford Pier Club Ltd

    EIN 462752714 · Headquarters: OCONOMOWOC, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  62. Glacial Community Ymca Inc

    EIN 390806378 · Headquarters: Oconomowoc, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990

  63. Gods Fund Inc

    EIN 922978932 · Headquarters: Oconomowoc, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Golden Lake Association Inc

    EIN 392038383 · Headquarters: Oconomowoc, WI, US · Environment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Gone Too Soon Foundation Inc

    EIN 820554558 · Headquarters: OCONOMOWOC, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  66. Greenland Pto

    EIN 813959494 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  67. Guatemala Service Projects Inc

    EIN 814172211 · Headquarters: Oconomowoc, WI, USA · International, Foreign Affairs & National Security · Latest available filing year: 2025 · Primary form: IRS Form 990

  68. Harley Owners Group Rock River Chapter Inc

    EIN 271868592 · Headquarters: Oconomowoc, WI, US · Housing & Shelter · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  69. Heart of the Father Ministries Inc

    EIN 460543705 · Headquarters: Oconomowoc, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  70. Heritage Shooting Inc

    EIN 391847718 · Headquarters: OCONOMOWOC, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Herrington-mcbride Alumni Association and Foundation Inc

    EIN 391605929 · Headquarters: Oconomowoc, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  72. Hope Chimes Foundation Inc

    EIN 331499275 · Headquarters: Oconomowoc, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Ice Sparklers Synchronized Skating Inc

    EIN 842045020 · Headquarters: OCONOMOWOC, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  74. Imagine a Day Inc

    EIN 262656564 · Headquarters: Oconomowoc, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  75. Impact School of Oconomowoc Inc

    EIN 392002765 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  76. Infancy International Incorporated

    EIN 202000867 · Headquarters: Oconomowoc, WI, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  77. International Association of Lions Clubs

    EIN 396093846 · Headquarters: Oconomowoc, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  78. International Dyslexia Association

    EIN 391503088 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. International Society for Business Education USA Chapter

    EIN 853961337 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  80. Irish Rovers Motorcycle Riding Club

    EIN 831409384 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  81. Irish Rovers Motorcycle Riding Group

    EIN 833496265 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  82. Jacob Butschke Scholarship Fund

    EIN 454780506 · Headquarters: OCONOMOWOC, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. James F Fuller Memorial Railroad

    EIN 463049223 · Headquarters: Oconomowoc, WI, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  84. Jim Dowd Memorial Scholarship Fund Inc

    EIN 391984115 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  85. Journey 21 Inc

    EIN 844727592 · Headquarters: Oconomowoc, WI, USA · Housing & Shelter · Latest available filing year: 2025 · Primary form: IRS Form 990

  86. Joyful Daughter Foundation

    EIN 821596859 · Headquarters: Oconomowoc, WI, US · International, Foreign Affairs & National Security · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  87. Jr Hearts

    EIN 812550420 · Headquarters: Oconomowoc, WI, US · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  88. Jubilate Chorale Inc

    EIN 260880797 · Headquarters: Oconomowoc, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Juneau Lodge Realty Co

    EIN 396040161 · Headquarters: Oconomowoc, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  90. Kettle Moraine Curling School Inc

    EIN 391566848 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  91. Kiwanis International Inc

    EIN 391354515 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  92. Kiwanis International Inc

    EIN 391397029 · Headquarters: Oconomowoc, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  93. Knights of Columbus

    EIN 237546317 · Headquarters: OCONOMOWOC, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  94. Knights of Pythias

    EIN 396081817 · Headquarters: Oconomowoc, WI, US · Mutual & Membership Benefit · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  95. Knights of Pythias of Wisconsin

    EIN 237028088 · Headquarters: Oconomowoc, WI, US · Mutual & Membership Benefit · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  96. La Belle Area Foundation Inc

    EIN 993179828 · Headquarters: OCONOMOWOC, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  97. La Belle Employees Credit Union

    EIN 391049711 · Headquarters: Oconomowoc, WI, US · Public & Societal Benefit · Latest available filing year: 2013 · Primary form: IRS Form 990-N

  98. La Belle Fireworks

    EIN 333878873 · Headquarters: Oconomowoc, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  99. La Belle Yacht Club Sailing School Corporation

    EIN 391985733 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  100. Lac La Belle Environmental Foundation Inc

    EIN 391646178 · Headquarters: OCONOMOWOC, WI, US · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-N

All pages