Thomas O Brown Foundation
Preselected recipients only
Thomas O Brown Foundation is a private foundation in Warrenville, Illinois. In tax year 2025 it gave $261,000 in 11 grants; the typical grant was $25,000 and the largest $60,000. It only gives to organizations it selects itself and does not accept unsolicited applications.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$261,000
- Number of grants11
- Typical grant$25,000
- Largest grant$60,000
- Assets$6.2 million
- New grantees9%
Giving in 2025 was up from $249,500 the year before.
9% of its 2025 grantees had not received a grant from it the year before, so most of its money goes to organizations it already funds.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $262,500 | 13 | $5.5 million |
| 2024 | $249,500 | 11 | $5.6 million |
| 2025 | $261,000 | 11 | $6.2 million |
How to apply
Thomas O Brown Foundation says in its IRS filing that it only makes contributions to preselected organizations, so unsolicited applications are unlikely to be considered. Organizations it funds are usually invited.
What Thomas O Brown Foundation funds
Where it gives
Its grants went to recipients in 9 states, the most to Montana.
| State | Grants | Amount |
|---|---|---|
| Montana | 2 | $90,000 |
| District of Columbia | 2 | $55,000 |
| Wyoming | 1 | $30,000 |
| Idaho | 1 | $25,000 |
| Wisconsin | 1 | $25,000 |
| Colorado | 1 | $20,000 |
| Washington | 1 | $10,000 |
| Michigan | 1 | $5,000 |
| Maryland | 1 | $1,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| Glacier National Park Conservancy | Preservation of park lands | $60,000 |
| Grand Teton National Park Foundation | Park preservation | $30,000 |
| Greater Yellowstone Coalition | Preservation of land/wildlife | $30,000 |
| Public Land Alliance | National parks preservation | $30,000 |
| Friends of Whitefish Dunes State Park | Conservation and promotion of whitefish dunes state park. | $25,000 |
| National Parks Conservation Association | Preservation of land/wildlife | $25,000 |
| Palouse Land Trust | Land conservation of the palouse region | $25,000 |
| Rocky Mountain Conservancy | National parks preservation | $20,000 |
| Washington's National Park Fund | Preservation of mt. Rainier, north cascades, and olympic national parks | $10,000 |
| Tart Trails | Enrich the traverse region by providing a network of trails, bikeways, and pedestrian ways | $5,000 |
| National Park Foundation | National parks preservation | $1,000 |
Officers and trustees
- James G Salsbury
- Lysa H Salsbury
- Thomas L Salsbury
- Katherine M Salsbury
Questions people ask
Does Thomas O Brown Foundation accept grant applications?
No. Its IRS filing says it only makes contributions to preselected organizations.
How much does Thomas O Brown Foundation give?
$261,000 in tax year 2025, across 11 grants, with a typical grant of $25,000.
Who runs Thomas O Brown Foundation?
Its 2025 filing lists James G Salsbury (President), Lysa H Salsbury (Vice President), Thomas L Salsbury (Treasurer) and Katherine M Salsbury (Secretary).
What does Thomas O Brown Foundation fund?
Based on its grants, mainly environment and conservation.