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Private foundations Oakbrook Terrace, ILtax years 2024 to 2025

Private foundations in Oakbrook Terrace, IL

18 private foundations based in Oakbrook Terrace, IL filed a 990-PF in the last two years. In their latest returns they gave $23.5 million in 287 grants, and 3 say they accept applications.

See which foundations fund work like yours Matching by cause, place and grant size

Foundations with a return in the last two years, each by its latest return (tax years 2024 to 2025), read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Largest givers

By grants paid, latest return
  1. The Buntrock Foundation for LeadershipOakbrook Terrace, IL · tax year 2024 10 grants Preselected only $10,853,747 giving
  2. Westlake Health FoundationOakbrook Terrace, IL · tax year 2025 54 grants Preselected only $9,046,794 giving
  3. Dean L & Rosemarie Buntrock FoundationOakbrook Terrace, IL · tax year 2024 95 grants Preselected only $1,286,621 giving
  4. Avrum Gray Family FundOakbrook Terrace, IL · tax year 2025 Grants listed in an attachment (not in the e-file) Accepts applications $1,166,771 giving
  5. The Gostomski FoundationOakbrook Terrace, IL · tax year 2024 24 grants Preselected only $500,100 giving
  6. Clark-Halladay Memorial FoundationOakbrook Terrace, IL · tax year 2024 18 grants Accepts applications $150,500 giving
  7. Naccarato Family FoundationOakbrook Terrace, IL · tax year 2025 7 grants Preselected only $146,000 giving
  8. The Sue and Melvin Gray FoundationOakbrook Terrace, IL · tax year 2025 19 grants Preselected only $135,515 giving
  9. Chua Family Charitable Foundation - in Memory of Chua Koan and Chang Su CheOakbrook Terrace, IL · tax year 2025 5 grants Preselected only $120,870 giving
  10. Elkay Family FoundationOakbrook Terrace, IL · tax year 2024 31 grants Accepts applications $49,388 giving
  11. The Charles Jacob FoundationOakbrook Terrace, IL · tax year 2025 13 grants Preselected only $47,500 giving
  12. Desantis FoundationOakbrook Terrace, IL · tax year 2025 7 grants Preselected only $26,500 giving
  13. Idamae Family Foundation IncOakbrook Terrace, IL · tax year 2025 4 grants Preselected only $12,427 giving

Foundations that accept applications

Largest first

The return gives an application contact and does not check the preselected-only box.

  1. Avrum Gray Family FundOakbrook Terrace, IL · tax year 2025 Grants listed in an attachment (not in the e-file) Accepts applications $1,166,771 giving
  2. Clark-Halladay Memorial FoundationOakbrook Terrace, IL · tax year 2024 18 grants Accepts applications $150,500 giving
  3. Elkay Family FoundationOakbrook Terrace, IL · tax year 2024 31 grants Accepts applications $49,388 giving

Giving by cause

Grants to organizations we matched to the IRS list of exempt organizations, by their category.

  1. Education7 foundations $3,700,61041% of the total
  2. Human services7 foundations $2,420,01227% of the total
  3. Health5 foundations $1,044,50012% of the total
  4. Arts and culture7 foundations $660,3657% of the total
  5. Mental health1 foundation $375,0004% of the total
  6. Public affairs1 foundation $250,0003% of the total
  7. 16 other causes $530,6086% of the total

Most active small givers

Foundations with under $1 million in assets, by the number of grants they listed.

  1. Elkay Family FoundationOakbrook Terrace, IL · tax year 2024 31 grants Accepts applications $49,388 giving
  2. The Sue and Melvin Gray FoundationOakbrook Terrace, IL · tax year 2025 19 grants Preselected only $135,515 giving
  3. The Charles Jacob FoundationOakbrook Terrace, IL · tax year 2025 13 grants Preselected only $47,500 giving
  4. Desantis FoundationOakbrook Terrace, IL · tax year 2025 7 grants Preselected only $26,500 giving
  5. Idamae Family Foundation IncOakbrook Terrace, IL · tax year 2025 4 grants Preselected only $12,427 giving