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Grantmaking foundations in Oak Brook, IL

70 grantmaking foundations in Oak Brook, Illinois, ranked by recent giving reported to the IRS (about $94M combined).

Top foundations by giving

  1. Lions Clubs International Ftdn
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $37M (2025)
  2. Ace Hardware Foundation
    Oak Brook, IL
    $17M (2024)
  3. Radiological Society of North America Inc
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $6M (2025)
  4. Illinois Childrens Healthcare Foundation
    Oak Brook, IL · Human Services
    $5.9M (2024)
  5. Zonta International Foundation
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $3.9M (2025)
  6. Richard a Perritt Charitable Trust
    Oak Brook, IL
    $2.4M (2025)
  7. Gies Foundation
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.1M (2025)
  8. Legge Lowden Farm Foundation Trust
    Oak Brook, IL · Mental Health and Crisis Intervention
    $2M (2024)
  9. The King Family Foundation
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $2M (2025)
  10. The Human Development Foundation of North America
    Oak Brook, IL · Public Safety, Disaster Preparedness and Relief
    $1.9M (2022)
  11. Metropolitan Chicagoland Sheet Metal Industry Fund
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.6M (2025)
  12. International Association of Lions Clubs
    Oak Brook, IL · Health Care
    $1.2M (2025)
  13. John H Robinson and Barbara J Robinson Charitable Trust
    Oak Brook, IL
    $1.2M (2025)
  14. Dugan & Lopatka Cpa'S Pc
    Oak Brook, IL · Human Services
    $1M (2025)
  15. American Association of Physicians of India Orgin
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $870K (2022)
  16. The American Laryngological Rhinological and Otological
    Oak Brook, IL · Arts, Culture and Humanities
    $760K (2025)
  17. Foundation of the American Society of Neuroradiology
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $730K (2024)
  18. Indima Foundation
    Oak Brook, IL
    $510K (2025)
  19. Hand in Hand USA
    Oak Brook, IL · Medical Research
    $510K (2024)
  20. Pediatric Orthopaedic Society of North America
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $410K (2025)
  21. John B Templeton Jr Tr
    Oak Brook, IL
    $340K (2025)
  22. United Union of Roofers Waterproofers and Allied Workers
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $300K (2025)
  23. Khosa Jg Foundation
    Oak Brook, IL
    $300K (2024)
  24. Society for Laboratory Automation and Screening
    Oak Brook, IL · Community Improvement and Capacity Building
    $260K (2025)
  25. Arthur G Jaros Sr and Dawn L Jaros Charitable Tr
    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2024)

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