Foundations · IRS 990 filings

Foundations in Madison, Wisconsin

150
foundations with a Madison address
$131.3M
grants paid, FY2024–FY2025
31
say they accept unsolicited
$6,000
median grant

Grantlas lists 150 foundations that gave a Madison, Wisconsin address on their tax filing — 144 private foundations and 6 grantmaking charities such as community foundations and United Ways — from filings for FY2024–FY2025. Together they paid out $131.3 million in grants in their latest filing year, and 31 of them (21%) say they accept unsolicited requests.

Not every foundation here is a Madison foundation. The city is the mailing address on the foundation’s tax filing, and when a bank or a law firm runs the trust that is the bank’s address, not the place it gives to. Check where a foundation gives before you write.

Top 25 of 150 foundations

All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 6 in this list say so too. Ranked by what they paid in grants in their latest filing.

Foundations in Madison, Wisconsin
The Oscar Rennebohm Foundation Inc$75,000$3.2M$1,600–$300,000FY2025Locked: fit score and contacts
Sub-Zero Group Foundation Inc$20,000$2.8M$500–$1.9MFY2024Locked: fit score and contacts
Alliant Energy Foundation Inc$400$2.4M$10–$225,000FY2025Locked: fit score and contacts
Madison Gas and Electric$2,000$1.9M$100–$300,000FY2024Locked: fit score and contacts
Prl Keystone Foundation Inc$943,392$943,392—FY2024Locked: fit score and contacts
American Warrior Initiative Inc$1,010$854,322$5–$305,303FY2025Locked: fit score and contacts
Jack Deloss Taylor Charitable Trust$18,000$743,000$2,500–$260,000FY2024Locked: fit score and contacts
Courtier Foundation Inc$665,250$665,250—FY2024Locked: fit score and contacts
Endres Manufacturing Foundation Inc$5,000$443,500$500–$50,000FY2024Locked: fit score and contacts
May Family Foundation Inc$16,000$378,000$5,000–$65,000FY2025Locked: fit score and contacts
Keller Family Charitable Trust$5,000$373,680$1,680–$200,000FY2024Locked: fit score and contacts
Silver Lining Foundation Inc$3,500$362,822$500–$83,000FY2025Locked: fit score and contacts
First Business Charitable Foundation Inc$1,500$339,150$100–$125,000FY2025Locked: fit score and contacts
Madison Curling Foundation Inc$657$329,053$260–$324,053FY2024Locked: fit score and contacts
Gussel Foundation Inc$2,500$288,500$1,000–$25,000FY2025Locked: fit score and contacts
Nelson & Vera Hicks Charitable Foundation$5,000$259,000$500–$26,000FY2025Locked: fit score and contacts
The Pyle Foundation$15,000$196,300$1,000–$60,000FY2025Locked: fit score and contacts
Bradshaw-Knight Foundation Inc$10,000$148,150$5,000–$25,000FY2024Locked: fit score and contacts
Kinship Foundation$8,000$144,000$772–$8,000FY2025Locked: fit score and contacts
Madison Investments Foundation Inc$1,000$110,780$100–$10,080FY2024Locked: fit score and contacts
Sanger Foundation Inc$40,000$110,000$30,000–$50,000FY2025Locked: fit score and contacts
Madison Advertising Federation$1,000$100,240$500–$25,000FY2024Locked: fit score and contacts
Vogel Foundation Inc$500$96,325$200–$89,204FY2025Locked: fit score and contacts
Thomas A Fox Charitable Trust$5,250$79,775$1,000–$26,000FY2025Locked: fit score and contacts
John Graber Schol TR$5,000$65,000$5,000–$25,000FY2024Locked: fit score and contacts
  • Median grant and grant range come from the 990-PF grant schedule; a dash means there is none to report.
  • “One grant” means a schedule with a single grant — no median, nothing to range over. “One amount” means several grants, all the same size.

125 more foundations — see all in Grantlas

Data from 990-PF and Form 990 filings, FY2024–FY2025. Updated November 8, 2026.