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Grantmaking foundations in Potomac, MD

104 grantmaking foundations in Potomac, Maryland, ranked by recent giving reported to the IRS (about $58M combined).

Top foundations by giving

  1. David and June Trone Family Foundation
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $18M (2025)
  2. Glenstone Foundation
    Potomac, MD · Arts, Culture and Humanities
    $15M (2024)
  3. The Adams Charitable Foundation Inc
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $3.6M (2024)
  4. Healy Foundation
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.9M (2025)
  5. Levitt Foundation
    Potomac, MD
    $1.3M (2024)
  6. The@william J Shaw Family Foundation Inc
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.2M (2025)
  7. C B Laub Family Foundation Inc
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $1M (2025)
  8. Zairen and Beibei Sun Foundation Inc
    Potomac, MD · Education
    $1M (2025)
  9. E-Z Spindizzies Foundation
    Potomac, MD · Arts, Culture and Humanities
    $1M (2025)
  10. Foulger Family Foundation Inc
    Potomac, MD · Education
    $800K (2025)
  11. Sc&H Group Inc
    Potomac, MD
    $800K (2024)
  12. Ronald and Joy Paul Family Foundation Inc
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $710K (2025)
  13. Gordon V & Helen C Smith Foundation
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $640K (2025)
  14. The Greg and Camille Baroni Foundation Inc
    Potomac, MD · Human Services
    $600K (2025)
  15. Robert H Smith School of Business Foundation Inc
    Potomac, MD · Education
    $510K (2025)
  16. Sacha Sauda Foundation Inc
    Potomac, MD · Food, Agriculture and Nutrition
    $480K (2025)
  17. Leafglen Foundation
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $460K (2025)
  18. Frank and Betty Wright Foundation Inc
    Potomac, MD
    $450K (2024)
  19. Verdolino & Lowey Pc
    Potomac, MD
    $440K (2025)
  20. Sidgmore Family Foundation
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $390K (2025)
  21. Ada Harris Maley Memorial Fund
    Potomac, MD
    $370K (2024)
  22. Christopher and Constance Li Charitable Foundation Inc
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $360K (2025)
  23. Buchanan Family Foundation Inc
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $300K (2024)
  24. Mitchell P Rales Family Foundation
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $290K (2025)
  25. Eaglebank Foundation Inc
    Potomac, MD · Philanthropy, Voluntarism and Grantmaking Foundations
    $290K (2024)

Showing the top 100 by giving. Search all 104 with a free account.

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Causes in Maryland