Nonprofits in Oshkosh, Wisconsin

Nonprofits in Oshkosh, Wisconsin. Browse 486 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. Unified Catholic Schools Athletic Booster Club Inc

    EIN 271780062 · Headquarters: Oshkosh, WI, US · Education · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  2. Unite Wisconsin Inc

    EIN 821039003 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  3. United Brotherhood of Carpenters & Joiners of America

    EIN 237276873 · Headquarters: Oshkosh, WI, US · Employment · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  4. United Grand Imperial Coun Knights of Red Cross of Constantine

    EIN 391544634 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. United States Bowling Congress Inc

    EIN 030589074 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  6. United States Bowling Congress Inc

    EIN 113778556 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  7. United States Bowling Congress Inc

    EIN 204784477 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2017 · Primary form: IRS Form 990-N

  8. United States Power Squadrons

    EIN 396081143 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. United Steel Workers Local #2-169

    EIN 391171442 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  10. United Steelworkers Local 2-469

    EIN 391152992 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  11. United Veterans Honor Guard

    EIN 843848168 · Headquarters: Oshkosh, WI, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  12. University of Wisconsin Oshkosh

    EIN 371609292 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  13. University of Wisconsin Oshkosh Foundation Inc

    EIN 396076856 · Headquarters: OSHKOSH, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. University of Wisconsin-oshkosh Alumni Association

    EIN 396077379 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  15. University of Wisconsin-Oshkosh Credit Union

    EIN 391090784 · Headquarters: Oshkosh, WI, USA · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990

  16. Verve, a Credit Union

    EIN 390711674 · Headquarters: OSHKOSH, WI, USA · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990

  17. Veterans of Foreign Wars of the United States Dept of Wisconsin

    EIN 237274235 · Headquarters: Oshkosh, WI, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  18. Veterans of Foreign Wars of the United States Dept of Wisconsin

    EIN 390822449 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Veterans of Foreign Wars of the Us Auxiliary to Heart of the Valley

    EIN 391598792 · Headquarters: Oshkosh, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. Vietnam Veterans of America Inc

    EIN 391644822 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  21. Volunteer Center of Fond Du Lac County Inc

    EIN 391956262 · Headquarters: Oshkosh, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  22. Water Cities Soccer Club

    EIN 141978303 · Headquarters: OSHKOSH, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  23. Water City Care Mission Inc

    EIN 843899508 · Headquarters: Oshkosh, WI, US · Human Services · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  24. Waterfest Inc

    EIN 391763649 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990

  25. Wave Robotics Educational Foundation

    EIN 842762433 · Headquarters: OSHKOSH, WI, US · Education · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  26. We-pray Inc

    EIN 812344942 · Headquarters: Oshkosh, WI, US · Religion Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  27. Wee Winni Childcare Center Inc

    EIN 391646101 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2022 · Primary form: IRS Form 990

  28. Wee Wisdom Child Care Center

    EIN 391247092 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990

  29. Western Fraternal Life Association

    EIN 237540094 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  30. Whitetails Unlimited Inc Oshkosh

    EIN 391560033 · Headquarters: OSHKOSH, WI, USA · Environment · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ

  31. Wings as Eagles Mission Air Service Inc

    EIN 411704479 · Headquarters: Oshkosh, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  32. Winnebago Area Literacy Council Inc

    EIN 391679291 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  33. Winnebago Audubon Society Inc

    EIN 391402466 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  34. Winnebago Community Credit Union

    EIN 390938509 · Headquarters: OSHKOSH, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  35. Winnebago Conservation Club

    EIN 237423217 · Headquarters: OSHKOSH, WI, USA · Environment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  36. Winnebago County 4-H Rabbit Project

    EIN 384289978 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  37. Winnebago County Dare Board Inc

    EIN 472255103 · Headquarters: OSHKOSH, WI, US · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  38. Winnebago County Dental Society

    EIN 270296136 · Headquarters: OSHKOSH, WI, US · Diseases, Disorders & Medical Disciplines · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  39. Winnebago County Fair Assoc Inc

    EIN 396007655 · Headquarters: OSHKOSH, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Winnebago County Hce

    EIN 391278709 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  41. Winnebago County Historical and Archeological Society Inc

    EIN 237389090 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  42. Winnebago County Medical Society

    EIN 391622896 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  43. Winnebago County Rea

    EIN 271699705 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  44. Winnebago County Sheriffs Citizens Academy Alumni Association Inc

    EIN 851190917 · Headquarters: Oshkosh, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  45. Winnebago County Sheriffs Prof

    EIN 396053494 · Headquarters: OSHKOSH, WI, USA · Employment · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  46. Winnebago Countywide Crime Stoppers Inc

    EIN 391737048 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  47. Winnebago Detachment Marine Co

    EIN 271121930 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Winnebago Flying Club Inc

    EIN 262596017 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  49. Winnebago Media Group Inc

    EIN 334622889 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  50. Winnebago Radio Control Flyers Inc

    EIN 391735943 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  51. Winnebago Sno-pioneers Inc

    EIN 391250597 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  52. Winnebagoland Bmx Club Inc

    EIN 391986366 · Headquarters: Oshkosh, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  53. Winnebagoland Estate Planning Council

    EIN 471707679 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  54. Winnebagoland Genealogieal Society

    EIN 113832068 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2022 · Primary form: IRS Form 990-N

  55. Winnebagoland Marines Inc

    EIN 396183331 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  56. Winneconne Nursery School Inc

    EIN 391167468 · Headquarters: OSHKOSH, WI, USA · Education · Latest available filing year: 2014 · Primary form: IRS Form 990-EZ

  57. Winneconne Road Runners

    EIN 814808220 · Headquarters: OSHKOSH, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  58. Winneconne Youth Rugby Inc

    EIN 861935572 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  59. Winnegamie Home Builders Association Inc

    EIN 391670906 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  60. Wisconsin Association of Adult Family Home Coordinators Inc

    EIN 391633591 · Headquarters: Oshkosh, WI, US · Human Services · Latest available filing year: 2012 · Primary form: IRS Form 990-N

  61. Wisconsin Association of Central Service Personnel

    EIN 391667755 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  62. Wisconsin Association-medical Staff Services Inc

    EIN 391381982 · Headquarters: Oshkosh, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  63. Wisconsin Auctioneers Association I

    EIN 396058714 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  64. Wisconsin Berry Growers Association

    EIN 237180566 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  65. Wisconsin Cares Network Inc

    EIN 814348736 · Headquarters: Oshkosh, WI, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  66. Wisconsin Christian Campus Ministries Inc

    EIN 201097539 · Headquarters: OSHKOSH, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  67. Wisconsin Coalition for Universal Healthcare Now Inc

    EIN 333710792 · Headquarters: OSHKOSH, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  68. Wisconsin College Personnel Association Inc

    EIN 263887186 · Headquarters: Oshkosh, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  69. Wisconsin Credit Union League Inc

    EIN 930807491 · Headquarters: Oshkosh, WI, US · Public & Societal Benefit · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  70. Wisconsin Dockdogs Inc

    EIN 821593534 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  71. Wisconsin Forensic Coaches Association

    EIN 391445736 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Wisconsin Fresh Market Vegetable

    EIN 391704852 · Headquarters: Oshkosh, WI, US · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  73. Wisconsin Garden Club Federation

    EIN 830403560 · Headquarters: Oshkosh, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  74. Wisconsin Garden Club Federation

    EIN 853770889 · Headquarters: Oshkosh, WI, US · Environment · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  75. Wisconsin Independent Christian School Inc

    EIN 311706955 · Headquarters: OSHKOSH, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  76. Wisconsin Interfaith Needs Response Inc

    EIN 391923713 · Headquarters: OSHKOSH, WI, USA · Human Services · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ

  77. Wisconsin Law Enforcement Accreditation Group Inc

    EIN 391970354 · Headquarters: Oshkosh, WI, US · Crime & Legal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Wisconsin Outdoor Festival Inc

    EIN 473476309 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  79. Wisconsin Real Estate Investors

    EIN 391201766 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  80. Wisconsin Rebels Fastpitch Softball

    EIN 900861349 · Headquarters: Oshkosh, WI, US · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Wisconsin Regional Service Office Inc

    EIN 391576492 · Headquarters: Oshkosh, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  82. Wisconsin Rugby Football Union Inc

    EIN 391813985 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  83. Wisconsin Trust for Historic Preservation Inc

    EIN 391560745 · Headquarters: OSHKOSH, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  84. Women in Aviation International

    EIN 061761992 · Headquarters: OSHKOSH, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  85. Wyldewood Baptist Church Inc

    EIN 391093830 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2023 · Primary form: IRS Form 990-T

  86. York Rite Library and Museum Inc

    EIN 392034063 · Headquarters: Oshkosh, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

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