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Grantmaking foundations in Mequon, WI

48 grantmaking foundations in Mequon, Wisconsin, ranked by recent giving reported to the IRS (about $27M combined).

Top foundations by giving

  1. Nicholas Fam Foundation Tr
    Mequon, WI
    $3.9M (2025)
  2. Ryan Memorial Foundation
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $3.8M (2025)
  3. Ab Nicholas Scholarship Foundation
    Mequon, WI · Education
    $3.5M (2025)
  4. Lori and David Nicholas Family Foundation Inc
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.8M (2025)
  5. Concordia University Wisconsin Foundation Inc
    Mequon, WI · Community Improvement and Capacity Building
    $2.6M (2025)
  6. Dean Family Foundation Inc
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.4M (2024)
  7. Lynn S Nicholas Family Foundation Inc
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.1M (2025)
  8. Every Day Good Foundation Inc
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.2M (2025)
  9. Crown Court Properties Ltd
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $560K (2024)
  10. Timothy and Nancy Speaker Family
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $420K (2024)
  11. A Chudnow & Sons Historical Museum Inc
    Mequon, WI
    $360K (2022)
  12. Krause Family Foundation Inc
    Mequon, WI
    $360K (2025)
  13. The Charles E Kubly Foundation Inc
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $330K (2026)
  14. Charleston Family Foundation Inc
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $310K (2025)
  15. Karen J Glanert Charitable Tr
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $300K (2025)
  16. Mequon-Thiensville Education Foundation Inc
    Mequon, WI · Animal-Related
    $200K (2025)
  17. William & Sandy Heitz Family Found
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $190K (2025)
  18. Henry H Uihlein and Marion S Uihlein Foundation Inc
    Mequon, WI
    $190K (2025)
  19. The Other Stratton Foundation Inc
    Mequon, WI
    $180K (2025)
  20. Pearson Family Foundation
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $160K (2025)
  21. Howard Frankenthal Family Foundation Ltd
    Mequon, WI
    $150K (2026)
  22. Rickey and Patty Kanter Family Foundation
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $140K (2025)
  23. Streich Family Foundation Inc
    Mequon, WI
    $120K (2024)
  24. Paul F and Lois K Heiss Family Foundation Inc
    Mequon, WI · Diseases, Disorders and Medical Disciplines
    $97K (2024)
  25. Charles and Marcia Larsen & Anthony and Priscilla Beadell Foundation
    Mequon, WI · Philanthropy, Voluntarism and Grantmaking Foundations
    $88K (2024)

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