Funding search · EIN 736300138 · Tulsa, OK
Case & Elfreda Zandbergen Charitable
A private foundation (files IRS Form 990-PF). Most private foundations do not take unsolicited applications; the route in is usually a program officer.
- 46
- grants reported
- $439,500
- total given
- 2022–2025
- filing years
- $8,125
- median grant
Based on grants this organization reported to the IRS for tax years 2022–2025. This is what they filed, not a complete record of their giving, and recent years may be incomplete because filings lag.
Full IRS filings ↗How this is builtReport an error
Funding pattern
What this funder pays for, at what size, and how to position adjacent work. Read from their filings, with every number checked against the record.
Sign in to analyze this funder’s giving pattern. Free in early access.
Top recipients
Repeat recipients are the strongest signal of whether a funder has an open door or quietly re-funds the same organizations.
- The Salvation Army4 grants · $84,000
- American Red Cross4 grants · $61,500
- Meals On Wheels of Metro Tulsa4 grants · $48,000
- Humane Society of Grove and Gr Lake3 grants · $46,000
- Tulsa Boys Home4 grants · $42,750
- South Grand Lake4 grants · $29,000
- A New Leaf3 grants · $25,250
- Boston Avenue Helping Hands4 grants · $20,000
- Family and Children'S Services3 grants · $18,000
- Community Food Bank of Eastern Oklahoma3 grants · $18,000
Giving over time
Grant history
All 46 reported grants, largest first.
- $22,000
The Salvation Army · Oklahoma City, OK · 2025
General support
- $22,000
The Salvation Army · Tulsa, OK · 2024
Support
- $20,000
Humane Society of Grove and Gr Lake · Grove, OK · 2025
Support
- $20,000
The Salvation Army · Tulsa, OK · 2023
Support
- $20,000
The Salvation Army · Tulsa, OK · 2022
Support
- $17,000
American Red Cross · Washington, DC · 2025
Support
- $17,000
American Red Cross · Washington, DC · 2024
Support
- $15,000
Tulsa Boys Home · Tulsa, OK · 2025
Support
- $15,000
Meals On Wheels of Metro Tulsa · Tulsa, OK · 2022
Support
- $14,000
Humane Society of Grove and Gr Lake · Grove, OK · 2024
Support
- $14,000
American Red Cross · Washington, DC · 2022
Support
- $14,000
South Grand Lake · Ketchum, OK · 2022
Support
- $13,500
American Red Cross · Washington, DC · 2023
Support
- $12,000
Meals On Wheels of Metro Tulsa · Tulsa, OK · 2025
Support
- $12,000
Meals On Wheels of Metro Tulsa · Tulsa, OK · 2024
Support
- $12,000
Humane Society of Grove and Gr Lake · Grove, OK · 2023
Support
- $10,000
Grand Lake Community Ministry · Langley, OK · 2025
General support
- $10,000
Tulsa Boys Home · Tulsa, OK · 2024
Support
- $9,000
A New Leaf · Owasso, OK · 2023
Support
- $9,000
Meals On Wheels of Metro Tulsa · Tulsa, OK · 2023
Support
- $9,000
Tulsa Boys Home · Tulsa, OK · 2023
Support
- $8,750
A New Leaf · Broken Arrow, OK · 2022
Support
- $8,750
Tulsa Boys Home · Tulsa, OK · 2022
Support
- $7,500
A New Leaf · Owasso, OK · 2024
Support
- $7,000
Community Food Bank of Eastern Oklahoma · Tulsa, OK · 2025
Support
- $7,000
Family and Children'S Services · Tulsa, OK · 2023
Support
- $7,000
Gail Lapidus · Tulsa, OK · 2022
Support
- $6,000
Boston Avenue Helping Hands · Tulsa, OK · 2025
Support
- $6,000
Community Food Bank of Eastern Oklahoma · Tulsa, OK · 2023
Support
- $6,000
Community Food Bank of Eastern Ok · Tulsa, OK · 2022
Support
- $5,500
Family and Children'S Services · Tulsa, OK · 2025
Support
- $5,500
Family and Children'S Services · Tulsa, OK · 2024
Support
- $5,000
South Grand Lake · Ketchum, OK · 2025
Support
- $5,000
Community Food Bank of Eastern Oklahoma · Tulsa, OK · 2024
Support
- $5,000
South Grand Lake · Ketchum, OK · 2024
Support
- $5,000
South Grand Lake · Ketchum, OK · 2023
Support
- $5,000
Boston Avenue Helping Hands · Tulsa, OK · 2022
Support
- $5,000
Clarehouse · Tulsa, OK · 2022
Support
- $4,500
Boston Avenue Helping Hands · Tulsa, OK · 2024
Support
- $4,500
Boston Avenue Helping Hands · Tulsa, OK · 2023
Support
- $4,500
Clarehouse · Tulsa, OK · 2023
Support
- $4,000
Clarehouse · Tulsa, OK · 2024
Support
- $3,000
Vinita Senior Citizens Center · Vinita, OK · 2025
Support
- $2,500
Vinita Senior Citizens Center · Vinita, OK · 2024
Support
- $2,500
Vinita Senior Citizens Center · Vinita, OK · 2023
Support
- $2,500
Vinita Senior Citizens Center · Vinita, OK · 2022
Support
Who else funds this kind of work
Same state
- Oklahoma City Community Foundation2,451 grants · $203.7M
- Tulsa Community Foundation5,058 grants · $491.4M
- George Kaiser Family Foundation1,393 grants · $265.7M
Similar grant size
- The Ayco Charitable Foundation15,303 grants · $2.05B
- Paypal Charitable Giving Fund32,081 grants · $1.40B
- Seattle Foundation14,012 grants · $457.3M
Grants already paid are the record; PaperOrbit reads your paper and finds the funders whose record matches it — then explains why.
Search funders like this oneSource: IRS Form 990-PF, Part XV, as filed by the foundation. These are grants already paid — a record of what this funder backs, not an open call.

