Foundations · IRS 990 filings

Foundations in Tulsa, Oklahoma

349
foundations with a Tulsa address
$773.9M
grants paid, FY2023–FY2025
80
say they accept unsolicited
$10,000
median grant

Grantlas lists 349 foundations that gave a Tulsa, Oklahoma address on their tax filing — 333 private foundations and 16 grantmaking charities such as community foundations and United Ways — from filings for FY2023–FY2025. Together they paid out $773.9 million in grants in their latest filing year, and 80 of them (23%) say they accept unsolicited requests.

Not every foundation here is a Tulsa 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 349 foundations

All 25 foundations below say on their 990-PF that they accept unsolicited requests. Another 55 in this list say so too. Ranked by what they paid in grants in their latest filing.

Foundations in Tulsa, Oklahoma
The Anne and Henry Zarrow Foundation$20,000$37.3M$200–$2.2MFY2024Locked: fit score and contacts
The William K Warren Foundation$22.2M$22.2M—FY2024Locked: fit score and contacts
Sanford P & Irene F Burnstein Foundation$30,000$12.1M$229–$1.4MFY2024Locked: fit score and contacts
Asbjornson Foundation$2.9M$12M$250,000–$6MFY2024Locked: fit score and contacts
The HA & Mary K Chapman Foundation$50,000$8.3M$5,000–$750,000FY2024Locked: fit score and contacts
A R and Marylouise Tandy Foundation$16,500$7.1M$4,000–$1.4MFY2024Locked: fit score and contacts
Ruth Nelson Family Foundation$5.5M$5.5M—FY2024Locked: fit score and contacts
Oneok Foundation Inc$4,893$3.7M$459–$500,000FY2024Locked: fit score and contacts
Maxine and Jack Zarrow Family Foundation$9,400$2.8M$328–$600,000FY2024Locked: fit score and contacts
Ketchum Charitable Foundation Inc$20,000$2.6M$5,000–$420,000FY2024Locked: fit score and contacts
Sam Viersen Family Foundation Inc$5,500$2.6M$500–$975,416FY2024Locked: fit score and contacts
One Gas Foundation Inc$2,371$2.6M$50–$366,741FY2024Locked: fit score and contacts
Patti Johnson Wilson Foundation$100,000$2.2M$1,000–$325,000FY2024Locked: fit score and contacts
Edward & Helen Bartlett Foundation$25,000$2M$1,000–$508,500FY2025Locked: fit score and contacts
Grace & Franklin Bernsen Foundation$20,000$1.8M$1,762–$150,000FY2024Locked: fit score and contacts
Stuart Family Foundation$10,000$1.8M$2,500–$400,000FY2025Locked: fit score and contacts
Lou and Connie Miller Charitable$10,000$1.3M$5,000–$700,000FY2024Locked: fit score and contacts
William S & Ann Atherton Foundation$12,000$1.3M$1,000–$510,500FY2024Locked: fit score and contacts
Herman P and Sophia Taubman Foundation$122,000$1.1M$10,000–$250,000FY2024Locked: fit score and contacts
Ed Darby Foundation Inc$10,200$1.1M$100–$292,455FY2024Locked: fit score and contacts
Jess L and Miriam B Stevens Foundation$10,000$1.1M$2,000–$252,210FY2024Locked: fit score and contacts
Fulton & Susie Collins Foundation$2,000$987,234$150–$300,000FY2025Locked: fit score and contacts
The David E & Cassie L Temple Foundation$20,000$856,550$550–$75,000FY2024Locked: fit score and contacts
Tulsa Christian Foundation Inc$13,000$670,890$1,200–$103,000FY2024Locked: fit score and contacts
Ralph and Frances McGill Foundation$5,000$642,500$1,000–$50,000FY2025Locked: 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.

324 more foundations — see all in Grantlas

Data from 990-PF and Form 990 filings, FY2023–FY2025. Updated October 18, 2026.