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Grantmaking foundations in Thornton, CO

30 grantmaking foundations in Thornton, Colorado, ranked by recent giving reported to the IRS (about $5M combined).

Top foundations by giving

  1. Fp Winne Foundation
    Thornton, CO
    $1.5M (2024)
  2. Mackenzie Foundation
    Thornton, CO
    $690K (2025)
  3. School District 12 Education Foundation
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $670K (2025)
  4. Helen Houston Owen Foundation
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $360K (2025)
  5. Stella B Gross Charitable Trust
    Thornton, CO
    $300K (2026)
  6. Floy H Van Nuys Tr Uw 33l004000
    Thornton, CO
    $210K (2025)
  7. Every Child Pediatrics
    Thornton, CO · Human Services
    $200K (2022)
  8. Theodore H Sedler Scholarship Fund
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $190K (2025)
  9. Marjorie Leu Skala Foundation
    Thornton, CO
    $110K (2025)
  10. George Gittelson Residuary Trust a U/W Nect
    Thornton, CO
    $100K (2024)
  11. Whitworth 1989 Charitable Trust a
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $96K (2025)
  12. Boa Storrow Trust Fbo Twelve Charities Tgc-45w002030
    Thornton, CO
    $91K (2025)
  13. Fulmer Library Fund
    Thornton, CO · Education
    $87K (2026)
  14. Whitworth 1989 Charitable Trust B
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $85K (2025)
  15. J F Kirkpatrick Memorial Fund
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $59K (2026)
  16. The John and Nancy Ross Charitable Support Organization
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $55K (2025)
  17. Alma G Goppart Memorial Fund
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $37K (2026)
  18. Agnes S Greisen Scholarship Trust
    Thornton, CO · Education
    $35K (2025)
  19. M Byrd Test Tr Fbo Long Beach City College
    Thornton, CO
    $28K (2025)
  20. Donald Clark Scholarship Trust
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $27K (2025)
  21. Isabelle Annable Trust
    Thornton, CO
    $16K (2025)
  22. Clara L & William Schulz Jr Memorial Fund Rlm 32p001004
    Thornton, CO · Philanthropy, Voluntarism and Grantmaking Foundations
    $16K (2025)
  23. Lillia Perpetual Trust 10815051354
    Thornton, CO
    $12K (2024)
  24. Storrow Fbo Six Charities Tgc-45w001024
    Thornton, CO
    $11K (2025)
  25. Mary E Housel Fdn
    Thornton, CO
    $8.2K (2023)

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