LD Brink Brinkman Foundation

Pevehouse Family Foundation

Midland, TX

The Pevehouse Family Foundation funds Texas organizations, primarily in the Permian Basin, in health, higher education, the performing and visual arts, and community and cultural endeavors. In 2024, grants ranged from $2,500 to $300,000, with a median of $20,000. It does not accept unsolicited requests; its grant process is invitation-only.

Siquentis Foundation

Mountain Home, TX

The Siquentis Foundation supports charitable organizations across varied fields, including human services, hunger relief, and education; its 2025 grants ranged from $500 to $1 million, with a median of $15,000. Recent funding went mainly to Colorado and Texas, with smaller amounts to Nebraska, Oregon, and Georgia. It accepts inquiries through Jodi Kirksey; no application form, materials, or deadline are required.

Robert and Marilyn Zieve Foundation

Colleyville, TX

The Robert and Marilyn Zieve Foundation supports a range of organizations, including those focused on youth, health, culture, and the arts; its 2025 grants ranged from $2,000 to $30,000, with a median of $7,000. Recent grants went to organizations in California, Texas, Ohio, Illinois, and Missouri. The filing does not say whether unsolicited requests are accepted; it lists Jeffrey Towne as the application contact and requests general form and content materials.

Communities Foundation of Texas Inc

Dallas, TX

Communities Foundation of Texas funds charitable work in health, wealth, living, and learning, with much of its grantmaking supporting North Texas nonprofits; its 2025 grants had a median of $18,779, though award sizes varied widely. Nearly all opportunities are by invitation, and its Nonprofit Gateway profile is not a grant application.

Greater Houston Community Foundation

Houston, TX

The Foundation makes grants through donor-advised and other donor-established funds for public benefit, human services, education, and health, including initiatives addressing economic mobility and poverty in Harris County. In 2024, its median grant was $25,000; it serves Greater Houston, while grants also go to recipients elsewhere in Texas and beyond. It does not accept proposals for the upcoming High-Impact Grantmaking cycle and plans to invite selected organizations or collaboratives to apply.

Baker Hughes Foundation

Houston, TX

BNSF Railway Foundation

Fort Worth, TX

The BNSF Railway Foundation supports civic, cultural, educational, health and human services, environmental, and youth programs, as well as general operating costs, in communities served by BNSF across its 28-state network. Its 2025 median grant was $2,500; its current grants program lists awards of $1,000–$10,000.

Community Foundation of North Texas (Tax

Fort Worth, TX

The Community Foundation of North Texas supports nonprofits through grants for areas including animal welfare, conservation, community development, nonprofit capacity, and opportunity, primarily in North Texas, including seven listed counties. Its 2024 grants had a median amount of $14,250, with awards ranging from $5,100 to $1.5 million. It offers competitive grants through application cycles; nonprofits cannot apply for donor-advised grants.

Michael & Susan Dell Foundation

Austin, TX

The Michael & Susan Dell Foundation funds education, health, family economic stability, and nonprofit capacity, with a strong focus on children and families and its deepest investment in Texas, especially Greater Austin; it also supports work elsewhere in the U.S. and internationally. Its 2024 grants ranged from $75 to $50 million, with a median of $19,324. It accepts unsolicited requests through an online application.

American Heart Association Inc

Dallas, TX

The American Heart Association funds basic, clinical, behavioral, translational, population, and other research on cardiovascular, cerebrovascular, and brain health, mainly through research awards to eligible U.S.-based nonprofit institutions. In 2025, grants ranged from $5,000 to $9.9 million, with a median award of $20,000. Applications are submitted through designated programs; the profile does not state whether unsolicited requests are accepted.

Laura and John Arnold Foundation

Houston, TX

Arnold Ventures funds evidence-based research, evaluation, and policy work in criminal justice, health care, higher education and career pathways, public finance, and infrastructure. Its 2024 grants had a median of $122,776 (ranging from $685 to $12.5 million); based in Houston, Texas, it does not accept unsolicited requests, but accepts applications through specific requests for proposals.