Nonprofits in Marathon, Wisconsin

Nonprofits in Marathon, Wisconsin. Browse 28 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. American Legion Alois Dreikosen Post 469

    EIN 391421276 · Headquarters: MARATHON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ

  2. American Legion Auxiliary

    EIN 264127435 · Headquarters: Marathon, WI, US · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  3. Brantwood Co-operative Park Association

    EIN 396069809 · Headquarters: Marathon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  4. Catholic Order of Foresters

    EIN 237581501 · Headquarters: Marathon, WI, US · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  5. Central Wisconsin Retrouvaille Inc

    EIN 391954346 · Headquarters: Marathon, WI, US · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  6. Central Wisconsin Speed Skating Club Inc

    EIN 391798577 · Headquarters: Marathon, WI, US · Recreation & Sports · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  7. Friends of Phoebe Inc

    EIN 391986509 · Headquarters: Marathon, WI, US · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  8. Ginseng Board of Wisconsin Inc

    EIN 391558214 · Headquarters: MARATHON, WI, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990

  9. Knights of Columbus Council 16280

    EIN 475173162 · Headquarters: Marathon, WI, US · Mutual & Membership Benefit · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  10. Little Lions Childcare Inc

    EIN 851020406 · Headquarters: MARATHON, WI, USA · Human Services · Latest available filing year: 2024 · Primary form: IRS Form 990

  11. Mac Raiders Inc

    EIN 834252443 · Headquarters: MARATHON, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990

  12. Marathon Area Elementary School and Marathon Venture Academy Pto

    EIN 844751567 · Headquarters: MARATHON, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  13. Marathon Area Swim Association Inc

    EIN 391593975 · Headquarters: MARATHON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990

  14. Marathon Athletic Booster Club Inc

    EIN 020552984 · Headquarters: Marathon, WI, US · Education · Latest available filing year: 2010 · Primary form: IRS Form 990-N

  15. Marathon City 2020 Ltd

    EIN 475638829 · Headquarters: MARATHON, WI, US · Arts, Culture & Humanities · Latest available filing year: 2021 · Primary form: IRS Form 990-N

  16. Marathon Lions Club

    EIN 930821612 · Headquarters: MARATHON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ

  17. Marathon School District Foundation Special Projects Fund Inc

    EIN 264794290 · Headquarters: Marathon, WI, US · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  18. Marathon Trap & Sportsmen Club Inc

    EIN 825284281 · Headquarters: MARATHON, WI, US · Recreation & Sports · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  19. Marathon Venture Academy Incorporated

    EIN 464421930 · Headquarters: Marathon, WI, US · Education · Latest available filing year: 2024 · Primary form: IRS Form 990-N

  20. Marth Foundation Ltd

    EIN 391410550 · Headquarters: MARATHON, WI, USA · Unknown & Unclassified · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  21. New Life Pet Adoption

    EIN 392011664 · Headquarters: MARATHON, WI, USA · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990

  22. Polish Roman Catholic Union of America 1246

    EIN 237580297 · Headquarters: Marathon, WI, US · Religion Related · Latest available filing year: 2007 · Primary form: IRS Form 990-N

  23. Rad- Rescue Adopt Donate Inc

    EIN 823181588 · Headquarters: Marathon, WI, US · Animal Related · Latest available filing year: 2025 · Primary form: IRS Form 990-N

  24. Raymond & Marie Goldbach Foundation Inc

    EIN 391877824 · Headquarters: MARATHON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  25. Robbins Foundation

    EIN 882563838 · Headquarters: MARATHON, WI, USA · Education · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  26. Sonnentag American Foundation Inc

    EIN 920679101 · Headquarters: MARATHON, WI, USA · Philanthropy, Voluntarism & Grantmaking Foundations · Latest available filing year: 2024 · Primary form: IRS Form 990-PF

  27. Sonnentag Foundation Ltd

    EIN 391597420 · Headquarters: MARATHON, WI, USA · Unknown & Unclassified · Latest available filing year: 2025 · Primary form: IRS Form 990-PF

  28. St Anthony's of Marathon Inc

    EIN 463430590 · Headquarters: MARATHON, WI, USA · Human Services · Latest available filing year: 2025 · Primary form: IRS Form 990