Tam Foundation Inc
Tam Foundation Inc is a private foundation, based in Sidney, OH. IRS filing data is available from 2020 through 2025. As of 2025, the organization holds $682K in total assets. In 2025, it awarded 6 grants totaling $92K. Net investment income was $122K.
Tam Foundation Inc at a glance
In short: Tam Foundation Inc gave $92K across 6 grants in 2025 (avg $15K), mostly in Ohio. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $92,155
- +107.1% vs 2024
- Grants made (2025)
- 6
- -14.3% vs 2024
- Average grant
- $15,359
- +141.6% vs 2024
- Median grant
- $4,050
- Total assets
- $682,431
- +4.4% vs 2024
- Primary geography
- Ohio (100% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Tam Foundation Inc funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2025
The largest 2025 recipient was Raise the Roof for the Arts ($53K). Together the top 6 received $92K.
Grant Size Distribution
34 grants across all recorded years
The most common grant size was under $50K: 31 grants of 34 (91%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 6 itemized grants.
Cities
How Tam Foundation Inc gives
- Giving held roughly steady from 2022 to 2025 (−10%). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $23K (2021) to $102K (2022). In 2025 it made 6 grants totaling $92K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Raise the Roof for the Arts Sidney, OH | Historian Match | $53,250 |
| Sidney-Shelby County YMCA Sidney, OH | Capital Improvement Campaign | $30,000 |
| First Presbyterian Church Sidney, OH | General Fund | $7,000 |
| Wilson Hospital Foundation Sidney, OH | General Fund | $1,100 |
| The United Way of Shelby County Sidney, OH | General Fund | $705 |
| Shelby County Animal Rescue Sidney, OH | General Fund | $100 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2025 | $682,431 | $126,855 | $98,480 | $92,155 | 6 | $92,155 | $121,505 |
| 2024 | $653,759 | $84,658 | $52,809 | $44,505 | 7 | $44,505 | $56,643 |
| 2023 | $623,084 | $48,436 | $48,254 | $43,790 | 9 | $43,790 | $43,972 |
| 2022 | $623,642 | $88,060 | $106,818 | $101,850 | 6 | $101,850 | $40,833 |
| 2021 | $642,092 | $92,980 | $27,637 | $22,696 | 6 | $22,696 | $88,780 |
| 2020 | $577,885 | $4,167 | $45,990 | $41,250 | 4 | — | $10,590 |
Leadership & Key People
Officers and directors from IRS filings
Tam Foundation Inc is led by Thomas P. Milligan, President on every filing since 2020; none of the 4 officers listed in 2025 report compensation.
Officers on the 2025 filing
Thomas P. Milligan
President
On filings since 2020
No compensation reported
Martha B. Milligan
Secretary
On filings since 2020
No compensation reported
Amanda K. Milligan
Board Member
On filings since 2024
No compensation reported
Calvin P. Milligan
Board Member
On filings since 2024
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Tam Foundation Inc
How much does Tam Foundation Inc give each year?
Tam Foundation Inc gave $92K across 6 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $45K across 7 grants.
What is Tam Foundation Inc's typical grant size?
Tam Foundation Inc's median grant in 2025 was $4,050, and its average grant was $15,359, across 6 grants on its 2025 IRS Form 990-PF.
Where does Tam Foundation Inc give grants?
Tam Foundation Inc gives mostly in Ohio: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Sidney, OH (6 grants).
Does Tam Foundation Inc give general operating support?
Yes: 67% of Tam Foundation Inc's 2025 grants with a stated purpose (4 of 6) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Tam Foundation Inc's largest grantees?
Tam Foundation Inc's largest 2025 grantees include Raise the Roof for the Arts ($53,250), Sidney-Shelby County YMCA ($30,000) and First Presbyterian Church ($7,000), according to its 2025 IRS Form 990-PF. Together they received 98% of its itemized 2025 grant dollars.
How large is Tam Foundation Inc?
Tam Foundation Inc reported $682K in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $127K.
What is Tam Foundation Inc's EIN?
Tam Foundation Inc's EIN (Employer Identification Number) is 26-3391171. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(7)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2020 (received by the IRS April 30, 2021)
- Updated Form 990-PF for fiscal year 2021 (received by the IRS November 8, 2022)
- Updated Form 990-PF for fiscal year 2022 (received by the IRS November 10, 2023)
- Updated Form 990-PF for fiscal year 2023 (received by the IRS July 12, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS May 5, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS April 15, 2026)
- IRS filings on file for fiscal years 2020–2025
Live grants for the work Tam Foundation Inc funds
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