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. Lourdes Academy Foundation Inc

    EIN 391358583 · Headquarters: OSHKOSH, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  2. Love the Mess Inc

    EIN 931663375 · Headquarters: Oshkosh, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  3. Mari's Foundation

    EIN 396647866 · Headquarters: OSHKOSH, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2016 · Primary form: IRS Form 990-PF

  4. Marine Corps League

    EIN 396064951 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Marine Corps League National Headquarters

    EIN 821444455 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Masters Craftsmen Inc

    EIN 933356583 · Headquarters: Oshkosh, WI, USA · Religion Related · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  7. Mercy Medical Center of Oshkosh Inc

    EIN 390806268 · Headquarters: Oshkosh, WI, USA · Health Care · Latest available filing year: 2017 · Primary form: IRS Form 990

  8. Mid-state Youth Football & Cheerleading Conference Inc

    EIN 205283951 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  9. Midwestern Association of Chemistry Teachers in Liberal Arts Colleges

    EIN 414156502 · Headquarters: Oshkosh, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Military Veterans Museum

    EIN 391706672 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Milwaukee Street Neighbors

    EIN 471703925 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  12. Miravida Living Foundation

    EIN 010938793 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  13. Miravida Living Inc

    EIN 391032234 · Headquarters: OSHKOSH, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Miss Wisconsin Pageant Inc

    EIN 237243470 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  15. Modern Woodmen of America

    EIN 463412762 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  16. Music Teachers National Association Inc

    EIN 391831537 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  17. Nami Oshkosh Inc

    EIN 391319759 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  18. National Active and Retired Federal Employees Association

    EIN 396104901 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. National Association of Letter Carriers

    EIN 396050222 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  20. National Catholic Committee on Scouting Ltd

    EIN 883282335 · Headquarters: Oshkosh, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  21. National Exchange Club

    EIN 391574773 · Headquarters: Oshkosh, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  22. National Indian Youth Justice Acade My Inc

    EIN 394671822 · Headquarters: Oshkosh, WI, US · Youth Development · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  23. National Society of the Sons of the American Revolution

    EIN 311227305 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Naturist Action Committee Inc

    EIN 391706424 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  25. Naturist Education Foundation Inc

    EIN 391753792 · Headquarters: Oshkosh, WI, USA · Science & Technology · Latest available filing year: 2024 · Primary form: IRS Form 990

  26. Naturist Society Foundation Inc

    EIN 821010690 · Headquarters: Oshkosh, WI, USA · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990

  27. New Dawn Recovery Services Inc

    EIN 921135063 · Headquarters: OSHKOSH, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2025 · Primary form: IRS Form 990

  28. Next Step Network Inc

    EIN 815374209 · Headquarters: Oshkosh, WI, US · Human Services · Latest available filing year: 2018 · Primary form: IRS Form 990-N

  29. Nourishment and Coats Inc

    EIN 992766751 · Headquarters: Oshkosh, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  30. Nova Counseling Services Inc

    EIN 391172266 · Headquarters: OSHKOSH, WI, USA · Mental Health & Crisis Intervention · Latest available filing year: 2024 · Primary form: IRS Form 990

  31. Numismatists of Wisconsin

    EIN 237045755 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  32. Oaklawn Cemetery Association

    EIN 396063406 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  33. Oakwood Elementary Parent Teacher Organization Incorporated

    EIN 922531549 · Headquarters: Oshkosh, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  34. Oakwood Improvement Association

    EIN 396081136 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  35. Old Bones Animal Rescue

    EIN 842242352 · Headquarters: OSHKOSH, WI, USA · Animal Related · Latest available filing year: 2021 · Primary form: IRS Form 990-PF

  36. Omni Glass and Paint Inc Veba Health Savings Trust

    EIN 264828146 · Headquarters: Oshkosh, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  37. Operation Dream North Inc

    EIN 931600823 · Headquarters: Oshkosh, WI, USA · Youth Development · Latest available filing year: 2023 · Primary form: IRS Form 990-EZ

  38. Optimist International

    EIN 391723876 · Headquarters: Oshkosh, WI, US · Youth Development · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  39. Orchard Valley Apartments Inc

    EIN 391338423 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  40. Oshkosh Area Community Foundation

    EIN 396041638 · Headquarters: OSHKOSH, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2011 · Primary form: IRS Form 990

  41. Oshkosh Area Community Foundation Corporation

    EIN 392034571 · Headquarters: OSHKOSH, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  42. Oshkosh Area Community Pantry Inc

    EIN 263714702 · Headquarters: OSHKOSH, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990

  43. Oshkosh Area Community Property Corporation

    EIN 272441813 · Headquarters: OSHKOSH, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990

  44. Oshkosh Area Economic Development Corporation

    EIN 391622920 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  45. Oshkosh Area Humane Society

    EIN 391709813 · Headquarters: OSHKOSH, WI, USA · Animal Related · Latest available filing year: 2024 · Primary form: IRS Form 990

  46. Oshkosh Area Shrm

    EIN 270892686 · Headquarters: Oshkosh, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N

  47. Oshkosh Area United Way Inc

    EIN 391017908 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  48. Oshkosh Area Womens Association Inc

    EIN 391857259 · Headquarters: OSHKOSH, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  49. Oshkosh Area Youth Hockey Association LTD

    EIN 931508800 · Headquarters: Oshkosh, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  50. Oshkosh Basketball Club Inc

    EIN 872310958 · Headquarters: OSHKOSH, WI, USA · Recreation & Sports · Latest available filing year: 2023 · Primary form: IRS Form 990-PF

  51. Oshkosh Benevolent Social Club Inc

    EIN 391384745 · Headquarters: Oshkosh, WI, US · Public & Societal Benefit · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  52. Oshkosh Chamber of Commerce

    EIN 930765817 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  53. Oshkosh Chamber of Commerce Foundation Inc

    EIN 260015746 · Headquarters: OSHKOSH, WI, USA · Education · Latest available filing year: 2024 · Primary form: IRS Form 990

  54. Oshkosh Chamber Singers Incorporated

    EIN 391590753 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  55. Oshkosh Community Credit Union

    EIN 390919640 · Headquarters: OSHKOSH, WI, USA · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990

  56. Oshkosh Community News Network Inc

    EIN 611459651 · Headquarters: Oshkosh, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  57. Oshkosh Convention & Visitors Bureau Inc

    EIN 391845587 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  58. Oshkosh Corporation Foundation Inc

    EIN 396062129 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  59. Oshkosh Country Club

    EIN 390520030 · Headquarters: OSHKOSH, WI, USA · Recreation & Sports · Latest available filing year: 2010 · Primary form: IRS Form 990

  60. Oshkosh Cultural Arts Coalition Inc

    EIN 352610995 · Headquarters: OSHKOSH, WI, US · Arts, Culture & Humanities · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  61. Oshkosh Cycling Club

    EIN 473281128 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  62. Oshkosh Eagles Football Club

    EIN 862912380 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  63. Oshkosh Family Incorporated

    EIN 390806160 · Headquarters: OSHKOSH, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  64. Oshkosh Fine Arts Association Inc

    EIN 391230713 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  65. Oshkosh Firefighters Charitable Trust

    EIN 452488076 · Headquarters: Oshkosh, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  66. Oshkosh Flyers Football Club Inc

    EIN 204467764 · Headquarters: OSHKOSH, WI, USA · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  67. Oshkosh Football Group Inc

    EIN 881797262 · Headquarters: OSHKOSH, WI, USA · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  68. Oshkosh Giants Inc

    EIN 391348070 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  69. Oshkosh Gun Club Inc

    EIN 396088383 · Headquarters: Oshkosh, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  70. Oshkosh Gymnastic Booster Club Inc

    EIN 391414736 · Headquarters: Oshkosh, WI, US · Education · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  71. Oshkosh Ice Hawks Hockey Boosters Inc

    EIN 850949844 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  72. Oshkosh Into the Night Inc

    EIN 842794186 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  73. Oshkosh Kennel Club Inc

    EIN 396078547 · Headquarters: OSHKOSH, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  74. Oshkosh Kids Foundation Inc

    EIN 842675271 · Headquarters: OSHKOSH, WI, USA · Youth Development · Latest available filing year: 2024 · Primary form: IRS Form 990

  75. Oshkosh Kids Museum Inc

    EIN 994428444 · Headquarters: OSHKOSH, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  76. Oshkosh Kiwanis Foundation Incorporated

    EIN 311578735 · Headquarters: OSHKOSH, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  77. Oshkosh Legion Baseball Association Inc

    EIN 202417748 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  78. Oshkosh Mid Morning Kiwanis Foundation Inc

    EIN 273296813 · Headquarters: OSHKOSH, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  79. Oshkosh North Baseball Inc

    EIN 352519992 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  80. Oshkosh Northside Hoops Club Inc

    EIN 452954921 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  81. Oshkosh on the Water

    EIN 391709055 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  82. Oshkosh Opportunities Inc

    EIN 811706302 · Headquarters: Oshkosh, WI, US · Public & Societal Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  83. Oshkosh Playin Round

    EIN 453054709 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2019 · Primary form: IRS Form 990-N

  84. Oshkosh Police Benevolent Association

    EIN 391946434 · Headquarters: OSHKOSH, WI, US · Health Care · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  85. Oshkosh Power Boat Club

    EIN 390981448 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  86. Oshkosh Pride Inc

    EIN 992333480 · Headquarters: Oshkosh, WI, US · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  87. Oshkosh Professional Police Association

    EIN 391459530 · Headquarters: Oshkosh, WI, US · Employment · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  88. Oshkosh Public Museum Auxiliary

    EIN 680541373 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  89. Oshkosh Raptors

    EIN 934010762 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  90. Oshkosh Rifle & Pistol Club

    EIN 396077380 · Headquarters: OSHKOSH, WI, US · Recreation & Sports · Latest available filing year: 2009 · Primary form: IRS Form 990-N

  91. Oshkosh Rugby Football Club Inc

    EIN 450536046 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2015 · Primary form: IRS Form 990-N

  92. Oshkosh Safety Council

    EIN 471047805 · Headquarters: Oshkosh, WI, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  93. Oshkosh Saturday Farmers Market Inc

    EIN 455135065 · Headquarters: OSHKOSH, WI, USA · Food, Agriculture & Nutrition · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  94. Oshkosh Sawdust Days Inc

    EIN 391196423 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2020 · Primary form: IRS Form 990-N

  95. Oshkosh Senior Softball

    EIN 391736491 · Headquarters: Oshkosh, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  96. Oshkosh Spartan Softball Club Inc

    EIN 472161243 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2016 · Primary form: IRS Form 990-N

  97. Oshkosh Spartan Wrestling Club

    EIN 274079619 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  98. Oshkosh Symphony Orchestra

    EIN 396059075 · Headquarters: Oshkosh, WI, US · Arts, Culture & Humanities · Latest available filing year: 2023 · Primary form: IRS Form 990-N

  99. Oshkosh Tavern League Foundation Inc

    EIN 464811743 · Headquarters: Oshkosh, WI, USA · Public Safety, Disaster Preparedness & Relief · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  100. Oshkosh Tennis Association Inc

    EIN 412268876 · Headquarters: Oshkosh, WI, US · Recreation & Sports · Latest available filing year: 2024 · Primary form: IRS Form 990-N

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