Geosynthetic Institute
Research and development
Geosynthetic Institute at a glance
In short: Geosynthetic Institute gave $25K across 1 grant in 2024 (avg $25K), mostly in Texas. Source: 2024 IRS Form 990.
- Annual giving (2024)
- $25,000
- -77.3% vs 2023
- Grants made (2024)
- 1
- -75.0% vs 2023
- Average grant
- $25,000
- -9.1% vs 2023
- Median grant
- $25,000
- Total assets
- $12,406,453
- +13.5% vs 2023
- Primary geography
- Texas (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990, 2024 View filing
Data from IRS Form 990, 2024; updated September 2026.
Who Geosynthetic Institute funds
How this funder distributes its grants
Top Recipients
Top recipient in 2024
The largest 2024 recipient was Tri Environmental ($25K).
Grant Size Distribution
7 grants across all recorded years
The most common grant size was under $50K: 6 grants of 7 (86%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of the 2024 grant dollars on its one itemized grant.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2022 to 2024, annual grant giving ranged from $25K (2024) to $110K (2023). In 2024 it made 1 grant totaling $25K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Tri Environmental Austin, TX | Expand Spec Categories in Collab with TX | $25,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Net Investment Income |
|---|---|---|---|---|---|---|
| 2024 | $12,406,453 | $1,468,430 | $825,263 | $25,000 | 1 | $632,735 |
| 2023 | $10,926,411 | $1,292,585 | $793,551 | $110,000 | 4 | $567,627 |
| 2022 | $9,435,995 | $1,039,820 | $713,051 | $35,000 | 2 | $338,766 |
| 2021 | $11,129,475 | $1,130,202 | $663,545 | — | — | $503,293 |
| 2020 | $9,991,868 | $1,237,345 | $691,450 | — | — | $553,868 |
| 2019 | $8,892,147 | $1,132,102 | $762,522 | — | — | $402,884 |
About Geosynthetic Institute
Based on IRS filings
Geosynthetic Institute is a public charity, based in Folsom, PA. IRS filing data is available from 2019 through 2024. As of 2024, the organization holds $12.4M in total assets. In 2024, it awarded 1 grant totaling $25K. Net investment income was $633K.
Leadership & Key People
Officers and directors from IRS filings
Geosynthetic Institute is led by George Koerner, President on every filing since 2019; 2 of 6 officers listed in 2024 are compensated.
Officers on the 2024 filing
George Koerner
President
On filings since 2019
40 hrs/week
$199K (2019) → $271K (2024)
Jamie Koerner
Treasurer
On filings since 2019
40 hrs/week
$55K (2019) → $96K (2024)
Doug Limburg
Vice President
On filings since 2019
No compensation reported
Mary Koerner
Vice President
On filings since 2019
No compensation reported
Mike Koerner
Vice President
On filings since 2019
No compensation reported
Pauleen Limburg
Secretary
On filings since 2019
No compensation reported
Former officers (2)
- Former: Pauline W. Koerner (2019) — Secretary
- Former: Robert M. Koerner (2019) — President
Data from IRS Form 990 filings, 2019–2024. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Compensation Overview
From 2024 IRS filing
The highest reported compensation on the 2024 filing was $271K, to George Koerner (President). 2 officers or directors reported compensation on that filing.
Frequently asked questions about Geosynthetic Institute
How much does Geosynthetic Institute give each year?
Geosynthetic Institute gave $25K across 1 grant in 2024, according to its 2024 IRS Form 990. In 2023 it gave $110K across 4 grants.
How large is Geosynthetic Institute?
Geosynthetic Institute reported $12.4M in total assets on its 2024 IRS Form 990. Its revenue that year was $1.5M.
Where does Geosynthetic Institute operate?
Geosynthetic Institute has awarded grants in Alabama, Pennsylvania, Texas.
What is Geosynthetic Institute's EIN?
Geosynthetic Institute's EIN (Employer Identification Number) is 23-2726289. IRS Form 990 filing data is available on this page for 2019–2024.
Data last updated September 2026. Sourced from IRS Form 990 filings.
Data update history
(5)
When this profile's IRS filing data changed on Grantable
- Added Form 990 for fiscal year 2019 (received by the IRS May 8, 2020)
- Updated Form 990 for fiscal year 2022 (received by the IRS May 3, 2023)
- Updated Form 990 for fiscal year 2023 (received by the IRS May 13, 2024)
- Updated Form 990 for fiscal year 2024 (received by the IRS May 15, 2025)
- IRS filings on file for fiscal years 2020–2024
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