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. Lake Area Club Inc

    EIN 391450669 · Headquarters: OCONOMOWOC, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. Lake Area Free Clinic Inc

    EIN 392006388 · Headquarters: OCONOMOWOC, WI, USA · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990

  3. Lake Country Classical Academy Inc

    EIN 833637703 · Headquarters: OCONOMOWOC, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  4. Lake Country Cyclones

    EIN 800218359 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  5. Lake Country Newcomers & Neighbors Inc

    EIN 921509826 · Headquarters: Oconomowoc, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  6. Lake Country Pickleball Club

    EIN 862955590 · Headquarters: Oconomowoc, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  7. Lake Country Shop with Cops

    EIN 262944613 · Headquarters: Oconomowoc, WI, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  8. Lake Country Toys for Kids Inc

    EIN 271394357 · Headquarters: Oconomowoc, WI, US · Human Services · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  9. Lantz Air Flyers Inc

    EIN 391732835 · Headquarters: OCONOMOWOC, WI, US · Arts, Culture & Humanities · Latest available filing year: 2014 · Primary form: IRS Form 990-N

  10. LC Dockhounds Foundation Inc

    EIN 882040953 · Headquarters: Oconomowoc, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  11. Legacy Committee Inc

    EIN 873985462 · Headquarters: OCONOMOWOC, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  12. Leonard Gucciardi Empowermant Organization Inc

    EIN 464921444 · Headquarters: Oconomowoc, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Light Their Way Inc

    EIN 991618034 · Headquarters: Oconomowoc, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  14. Living 4 Lindsey Foundation Inc

    EIN 863118944 · Headquarters: Oconomowoc, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. Local Government Lawyers Roundtable

    EIN 205139434 · Headquarters: Oconomowoc, WI, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  16. Love in a Shoebox

    EIN 992593031 · Headquarters: Oconomowoc, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Lutheran Homes of Oconomowoc Charitable Foundation Inc

    EIN 391889721 · Headquarters: OCONOMOWOC, WI, USA · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  18. Mac-jack Memorial Foundation Incorporated

    EIN 834016445 · Headquarters: Oconomowoc, WI, US · Medical Research · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  19. Making a Mark Foundation Inc

    EIN 873571176 · Headquarters: Oconomowoc, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Maple Terrace Association on Lac Labelle Inc

    EIN 923662102 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Mathematics Institute of Wisconsin Co Kathryn Leverenz

    EIN 464161191 · Headquarters: OCONOMOWOC, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  22. Meadow View Elementary Pto

    EIN 300593314 · Headquarters: Oconomowoc, WI, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  23. Meghans Mission Inc

    EIN 863727908 · Headquarters: Oconomowoc, WI, USA · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  24. Michael and Beverly Bruno Family Foundation

    EIN 113656127 · Headquarters: OCONOMOWOC, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. Midwest Alpine Racing Inc

    EIN 842483133 · Headquarters: OCONOMOWOC, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  26. Midwest Cow Horse & Reining Association Inc

    EIN 392007730 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  27. Milwaukee Area Chapter of Chorister S Guild

    EIN 202740781 · Headquarters: Oconomowoc, WI, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  28. Milwaukee Handbell Ensemble Inc

    EIN 455272911 · Headquarters: Oconomowoc, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  29. Milwaukee Torrent Community Foundation Inc

    EIN 475363386 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Minett Family Foundation Inc

    EIN 202062852 · Headquarters: Oconomowoc, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2012 · Primary form: IRS Form 990-PF

  31. Moonlit Movies Ltd

    EIN 208947086 · Headquarters: OCONOMOWOC, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  32. National Association of Orthopaedic Nurses Inc

    EIN 391365561 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. New Beginnings Aviation Ministry Inc

    EIN 923985151 · Headquarters: Oconomowoc, WI, US · Science & Technology · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Nhi Pto

    EIN 843608849 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  35. Oconomowoc American Legion Band

    EIN 300587977 · Headquarters: Oconomowoc, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  36. Oconomowoc Area Chamber of Commerce

    EIN 391127512 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  37. Oconomowoc Area Chamber of Commerce Foundation Inc

    EIN 202132285 · Headquarters: OCONOMOWOC, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  38. Oconomowoc Area Senior Center

    EIN 391631929 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  39. Oconomowoc Area Tennis Club

    EIN 391510186 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2008 · Primary form: IRS Form 990-N

  40. Oconomowoc Area Veterans Group Inc

    EIN 464341127 · Headquarters: Oconomowoc, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Oconomowoc Cemetery Association

    EIN 390513260 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Oconomowoc Chamber Orchestra

    EIN 264530447 · Headquarters: Oconomowoc, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Oconomowoc Community Choir Inc

    EIN 391870716 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  44. Oconomowoc Community Theatre

    EIN 922523642 · Headquarters: Oconomowoc, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Oconomowoc Cooperative Nursery School Inc

    EIN 390928984 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  46. Oconomowoc Dental Anesthesia Center Inc

    EIN 821995772 · Headquarters: Oconomowoc, WI, US · Health Care · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  47. Oconomowoc Festival of the Arts Ltd

    EIN 391445102 · Headquarters: OCONOMOWOC, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  48. Oconomowoc Food Pantry Inc

    EIN 391480509 · Headquarters: Oconomowoc, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  49. Oconomowoc Golf Club

    EIN 390513312 · Headquarters: OCONOMOWOC, WI, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990

  50. Oconomowoc High School Band AIDS Inc

    EIN 205510350 · Headquarters: OCONOMOWOC, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  51. Oconomowoc Historical Society

    EIN 391376661 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  52. Oconomowoc Junior Raccoons Volleyball

    EIN 851737133 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  53. Oconomowoc Junior Womans Club Inc

    EIN 753019510 · Headquarters: OCONOMOWOC, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  54. Oconomowoc Lake Club

    EIN 390513325 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  55. Oconomowoc Memorial Hospital Auxiliary Inc

    EIN 396047514 · Headquarters: Oconomowoc, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  56. Oconomowoc Memorial Hospital Foundation Inc

    EIN 391271647 · Headquarters: OCONOMOWOC, WI, USA · Health Care · Latest available filing year: 2011 · Primary form: IRS Form 990

  57. Oconomowoc Newcomers & Neighbors

    EIN 391686890 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  58. Oconomowoc Parents for Baseball Inc

    EIN 391919866 · Headquarters: OCONOMOWOC, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  59. Oconomowoc Police Officers Association

    EIN 264698548 · Headquarters: Oconomowoc, WI, US · Crime & Legal Related · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  60. Oconomowoc Public Education Foundation Inc

    EIN 208858261 · Headquarters: OCONOMOWOC, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  61. Oconomowoc Rotary Charitable Foundation Inc

    EIN 391498210 · Headquarters: Oconomowoc, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  62. Oconomowoc Scholarship Fund

    EIN 396076192 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  63. Oconomowoc Silver Streak Inc

    EIN 391701930 · Headquarters: OCONOMOWOC, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Oconomowoc Sports Booster Club Inc Dba Oconomowoc High School

    EIN 391340155 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  65. Oconomowoc Wrestling Booster Club

    EIN 853468907 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Ohs Drama Mamas and Papas Inc

    EIN 263646350 · Headquarters: OCONOMOWOC, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  67. Ohs Pto Inc

    EIN 275381131 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Okauchee Area Atv Utv Club Inc

    EIN 882828834 · Headquarters: Oconomowoc, WI, US · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Okauchee Fireworks Fund Ltd

    EIN 260120754 · Headquarters: Oconomowoc, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  70. Okauchee Lake Yacht Club

    EIN 391470044 · Headquarters: OCONOMOWOC, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990

  71. Old Time Ball Players Association of Wis

    EIN 390383435 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Old Time Ballplayers Association of Wisconsin Charity Inc

    EIN 334742217 · Headquarters: Oconomowoc, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Order of the Eastern Star of the State of Wisconsin

    EIN 237534269 · Headquarters: Oconomowoc, WI, US · Science & Technology · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  74. Order of the Eastern Star of the State of Wisconsin

    EIN 237534472 · Headquarters: OCONOMOWOC, WI, US · Unknown & Unclassified · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  75. Our Lady of Fatima Home Visitation Program

    EIN 383371302 · Headquarters: OCONOMOWOC, WI, US · Religion Related · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  76. Park Lawn Elementary Parent Teacher Organization

    EIN 262312797 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Pastors Retreat Network Inc

    EIN 391854114 · Headquarters: Oconomowoc, WI, USA · Religion Related · Latest available filing year: 2016 · Primary form: IRS Form 990

  78. Peer Round Table for Chros Inc

    EIN 812008486 · Headquarters: OCONOMOWOC, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  79. Pennys and Nichols Center

    EIN 271529391 · Headquarters: Oconomowoc, WI, US · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  80. Pflag Oconomowoc

    EIN 462755341 · Headquarters: OCONOMOWOC, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Post 91 Oconomowoc Veterans

    EIN 863880407 · Headquarters: OCONOMOWOC, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  82. Prader Willi Association of Wi

    EIN 391732251 · Headquarters: Oconomowoc, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  83. Prairie Gold Foundation Inc

    EIN 412285201 · Headquarters: Oconomowoc, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  84. Professional Homecare Providers

    EIN 391895978 · Headquarters: Oconomowoc, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. ProHealth Care

    EIN 390794174 · Headquarters: OCONOMOWOC, WI, USA · Health Care · Latest available filing year: 2023 · Primary form: IRS Form 990

  86. Pta Wisconsin Congress

    EIN 237162301 · Headquarters: Oconomowoc, WI, US · Education · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  87. Ramiah Family Foundation

    EIN 391980086 · Headquarters: OCONOMOWOC, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  88. React19 Inc

    EIN 873643837 · Headquarters: OCONOMOWOC, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  89. Roadrunners Motorcycle Club Inc

    EIN 391706062 · Headquarters: Oconomowoc, WI, US · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  90. Rock Apostolic Ministries Inc

    EIN 823994781 · Headquarters: Oconomowoc, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  91. Rock River Cancer Research Foundation Inc

    EIN 203624554 · Headquarters: OCONOMOWOC, WI, USA · Medical Research · Latest available filing year: 2018 · Primary form: IRS Form 990-EZ

  92. Roehl Foundation Inc

    EIN 396048089 · Headquarters: OCONOMOWOC, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  93. Rogers Behavioral Health

    EIN 391139101 · Headquarters: OCONOMOWOC, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

  94. Rogers Behavioral Health

    EIN 932710408 · Headquarters: OCONOMOWOC, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  95. Rogers Behavioral Health - Colorado Inc

    EIN 873488063 · Headquarters: OCONOMOWOC, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  96. Rogers Behavioral Health - Georgia Inc

    EIN 844421252 · Headquarters: OCONOMOWOC, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  97. Rogers Behavioral Health - Pennsylvania Inc

    EIN 931964974 · Headquarters: OCONOMOWOC, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  98. Rogers Behavioral Health - Tennessee Inc

    EIN 931964572 · Headquarters: OCONOMOWOC, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  99. Rogers Behavioral Health - Washington Inc

    EIN 852221921 · Headquarters: OCONOMOWOC, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  100. Rogers Behavioral Health System Inc

    EIN 263902724 · Headquarters: OCONOMOWOC, WI, USA · Health Care · Latest available filing year: 2024 · Primary form: IRS Form 990

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