Foundations that fund organizations in See Attachment a, Texas
Worked out from where the grants went, not where the foundations sit.
Funding landscape for See Attachment a nonprofits
6 private foundations gave $12M to See Attachment a organizations in their latest filings; 3 of the 6 that say either way accept applications.
6 grants in total, with a typical foundation's median grant to See Attachment a around $2.4M. 6 of these funders are based in Texas; the rest give here from elsewhere.
- Foundations giving here
- 6
- Accept applications
- 3
- of 6 that state a policy
- Dollars to See Attachment a
- $12M
- latest filings
- Grants
- 6
- Typical median grant
- $2.4M
- Based in TX
- 100%
- of funders listed
Funders, by dollars given to See Attachment a organizations
| Foundation | Based in | Grants here | Dollars here | Median | Accepts applications | Typical purposes |
|---|---|---|---|---|---|---|
| The Greehey Family Foundation | San Antonio, TX | 1 | $7.1M | $7.1M | Yes | General charitable contribution |
| Winkler Family Foundation | Austin, TX | 1 | $2.5M | $2.5M | Preselected only | General charitable contribution |
| Harry E and Eda L Montandon Charitable Tr | Austin, TX | 1 | $2.4M | $2.4M | Yes | General charitable contribution |
| The Lrw Charitable Trust | San Antonio, TX | 1 | $197K | $197K | Preselected only | General charitable contribution |
| James and Sarah Mansour Foundation | Austin, TX | 1 | $102K | $102K | Yes | See attachment a |
| Gwin Family Foundation | Houston, TX | 1 | $101K | $101K | Preselected only | General charitable contribution |
Source: IRS Form 990-PF Part XV, latest electronic return per foundation (2026-10-28). "Accepts applications" reflects the foundation's own checkbox on Part XV line 2. Grants to individuals excluded.
Common questions
Which foundations give to nonprofits in See Attachment a, Texas?
The Greehey Family Foundation, Winkler Family Foundation, Harry E and Eda L Montandon Charitable Tr, The Lrw Charitable Trust, James and Sarah Mansour Foundation and 1 others reported grants to See Attachment a organizations on their latest Form 990-PF.
How do I approach a foundation that doesn't accept applications?
A foundation that checks "contributes only to preselected organizations" on its 990-PF won't review a cold proposal. Look at who it funds, find a shared board member, grantee or advisor, and ask for an introduction. Foundations that accept applications usually list a contact and deadlines in Part XV; we show that text on each foundation's page.
Is this list complete?
No. It covers private foundations (Form 990-PF filers) whose latest electronic return lists at least one grant to an organization in See Attachment a. Community foundations and corporate giving programs file different forms and are not included yet.