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 (page 2)

26. Brother Rice High School Foundation Inc

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2025)
27. Cronk Family Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2025)
28. George F and Helen M Hirschmann Charitable Foundation

    Oak Brook, IL · Animal-Related
    $210K (2025)
29. Donald P and Byrd M Kelly Foundation

    Oak Brook, IL
    $190K (2025)
30. Mmpm Foundation Inc

    Oak Brook, IL
    $190K (2023)
31. James L Garard Jr Charitable Trust

    Oak Brook, IL
    $190K (2025)
32. Caleel Foundation Inc

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $190K (2025)
33. Philos Foundation Inc

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $170K (2025)
34. Neoped Foundation Inc

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $170K (2024)
35. Andrew C Langert Family Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $170K (2025)
36. Witz Family Foundation

    Oak Brook, IL
    $160K (2025)
37. Clark-Halladay Memorial Foundation

    Oak Brook, IL
    $150K (2025)
38. Laurence E Herman Family Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $140K (2025)
39. Rundgren Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $140K (2025)
40. Yung Hope Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $140K (2025)
41. Tcf Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $130K (2024)
42. Chua Family Charitable Found-In Memory Chua Koan & Chang Su Cheng

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $120K (2025)
43. Ernest C and Marion R Karras Family Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $120K (2025)
44. S & R Girgis Family Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $110K (2025)
45. The Dr Upendra & Mrs Sonal Shah Muladhar Charitable Foundation

    Oak Brook, IL · Religion-Related
    $100K (2025)
46. Nicholas D Sergi Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $90K (2025)
47. Daniel and Carol Goodwin Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $65K (2025)
48. Syrian American Medical Society- Midwest Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $54K (2024)
49. Help the World Foundation Inc

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $51K (2025)
50. Bear Manor Foundation

    Oak Brook, IL · Philanthropy, Voluntarism and Grantmaking Foundations
    $47K (2025)