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Grantmaking foundations in Sisters, OR

10 grantmaking foundations in Sisters, Oregon, ranked by recent giving reported to the IRS (about $19M combined).

Top foundations by giving

  1. Roundhouse Foundation Irrv Charitable Tr
    Sisters, OR · Philanthropy, Voluntarism and Grantmaking Foundations
    $16M (2024)
  2. Weitzman Family Foundation Dima 43dc0700
    Sisters, OR · Philanthropy, Voluntarism and Grantmaking Foundations
    $1.8M (2026)
  3. Sisters Organization for Activities and Recreation
    Sisters, OR · Philanthropy, Voluntarism and Grantmaking Foundations
    $410K (2025)
  4. Memory Books for Children
    Sisters, OR · Youth Development
    $130K (2025)
  5. Sisters Kiwanis Community Service Foundation
    Sisters, OR · Philanthropy, Voluntarism and Grantmaking Foundations
    $110K (2025)
  6. Lamoreaux Family Foundation
    Sisters, OR · Philanthropy, Voluntarism and Grantmaking Foundations
    $73K (2025)
  7. Clasen Family Foundation
    Sisters, OR · Philanthropy, Voluntarism and Grantmaking Foundations
    $51K (2024)
  8. Friends Rescued Animals Network
    Sisters, OR · Animal-Related
    $24K (2024)
  9. Cardiostart Resale Thrift
    Sisters, OR · Civil Rights, Social Action and Advocacy
    $18K (2025)
  10. Liddell Family Foundation
    Sisters, OR · Philanthropy, Voluntarism and Grantmaking Foundations
    $2.1K (2025)

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Causes in Oregon