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Grantmaking foundations in Longmont, CO

52 grantmaking foundations in Longmont, Colorado, ranked by recent giving reported to the IRS (about $51M combined).

Top foundations by giving

  1. First Nations Development Institute
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $16M (2025)
  2. Hadley and Marion Stuart Foundation
    Longmont, CO
    $7.8M (2025)
  3. Friends of the Longmont Museum
    Longmont, CO · Community Improvement and Capacity Building
    $5.4M (2024)
  4. Clean Water Here Foundation
    Longmont, CO · Environment
    $4M (2024)
  5. Longmont Community Foundation
    Longmont, CO · Crime and Legal-Related
    $2.6M (2024)
  6. The James and Sarah Fries Foundation
    Longmont, CO
    $2.3M (2023)
  7. Oweesta Corporation
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.1M (2025)
  8. Liberty Ears Inc
    Longmont, CO · Health Care
    $2M (2024)
  9. Chicago Instructional Technology Foundation Inc
    Longmont, CO · Community Improvement and Capacity Building
    $1.6M (2024)
  10. Twin Cities Schools Telecommunications Group Inc
    Longmont, CO · Community Improvement and Capacity Building
    $1.3M (2025)
  11. Walter & Ursula Eberspacher Foundat
    Longmont, CO
    $1M (2024)
  12. Braly Family Foundation
    Longmont, CO · Education
    $590K (2025)
  13. Dodge Family Fund
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $490K (2024)
  14. St Vrain Valley Educational Foundation Inc
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $410K (2025)
  15. Joyforward
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $280K (2024)
  16. The Early Childhood Council of Boulder County
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $260K (2022)
  17. Gardner Family Foundation
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $240K (2025)
  18. Longmont United Hospital Foundation
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $230K (2025)
  19. Davis Tailer Foundation
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $190K (2025)
  20. Can D Aid
    Longmont, CO · Environment
    $180K (2022)
  21. Skyline Longmont Kiwanis Foundation
    Longmont, CO · Community Improvement and Capacity Building
    $180K (2025)
  22. Philanthropiece Foundation
    Longmont, CO · Health Care
    $170K (2025)
  23. Kiwanis International Inc
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $160K (2025)
  24. Lynn & Helen Clark Fund
    Longmont, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $140K (2025)
  25. Believe Ranch and Rescue
    Longmont, CO · Animal-Related
    $110K (2024)

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Causes in Colorado