Grant Funders in Oak Brook, IL
Bespoke Grants indexes 16 grant-making foundations headquartered in Oak Brook, Illinois — together $74.7M in indexed annual giving. Their giving most often supports health care, higher education, arts & culture and education. Local funders are one of the best starting points for a Oak Brook nonprofit, because many prioritize organizations in their own community.
Foundations headquartered in Oak Brook
Ranked by giving in available IRS summaries. Filings may cover different years; these totals are not a current-year funding pool. Each links to a public overview and up to three sample grants. Full grant history and research tools require All access at $19/month.
| # | Foundation | Annual giving | Latest grant |
|---|---|---|---|
| 1 | Lions Clubs International Foundation | $31.5M | 2025 |
| 2 | Ace Hardware Foundation | $13.0M | 2024 |
| 3 | Illinois Children's Healthcare | $11.5M | 2024 |
| 4 | Zonta International Foundation | $4.5M | 2025 |
| 5 | Radiological Society of North America Inc | $4.0M | 2025 |
| 6 | Richard a Perritt Charitable Trust | $1.6M | 2024 |
| 7 | Metropolitan Chicagoland Sheet Metal Industry Fund | $1.5M | 2025 |
| 8 | Legge Lowden Farm Foundation Trust | $1.4M | 2024 |
| 9 | The Gies Foundation | $1.3M | 2024 |
| 10 | The Foundation of the American | $822K | 2024 |
| 11 | Nismacna Industry Promotion Fund | $773K | 2024 |
| 12 | Association of University Radiologists | $606K | 2024 |
| 13 | Joseph Lizzadro Family Foundation | $590K | 2024 |
| 14 | The King Family Foundation | $570K | 2022 |
| 15 | Hand in Hand USA | $510K | 2024 |
| 16 | Advocate Aurora Health Inc | $506K | 2024 |
Running a nonprofit in Oak Brook?
Bespoke Grants ranks every Oak Brook-area and national funder against your mission, service area, and budget — and shows you why each one fits. One lifetime free search includes up to three sourced matches; further searches and the full workflow are $19/month. No credit card is needed for the preview.
Find my funders →What Oak Brook funders support
The causes most commonly funded by foundations based in Oak Brook:
Beyond Oak Brook
Local funders are a starting point, not the whole picture. Most Oak Brook nonprofits are also eligible for statewide and national foundations — browse all grant funders in Illinois, or let Bespoke Grants match your nonprofit to funders at every level. One lifetime free search includes up to three sourced matches; further searches and the full workflow are $19/month. No credit card is needed for the preview.