Summers Family Foundation Inc

Enterprise Holdings Foundation

Saint Louis, MO

Enterprise Holdings Foundation supports nonprofits in health, education, arts, disaster relief, reforestation, hunger relief, and community equity, with an emphasis on organizations actively supported by Enterprise employees and their families. Its reported grants range widely: 2024 giving averaged about $7,700 across 9,499 grants, while the foundation also offers awards of up to $40,000; it supports communities where Enterprise operates worldwide. Unsolicited requests are accepted at any time, but eligible applications must be submitted by an Enterprise team member or their spouse or domestic partner on behalf of a nonprofit they actively support.

ML International Foundation

Portola Valley, CA

Matshym Foundation

Los Altos, CA

Michael J Kirsch Foundation

Santa Clara, CA

Mydar Foundation

San Jose, CA

Los Gatos Morning Rotary

Los Gatos, CA

The Applied Materials Foundation

Santa Clara, CA

HAND Foundation

Wilmington, DE

HAND Foundation supports a varied range of work, including hunger relief, children’s basic needs, research, public policy, and emergency response, with most 2025 funding going to California. Its 25 grants ranged from $2,500 to $370,962, with a median of $25,000. It gives only to preselected organizations and does not accept unsolicited requests.

Seti Institute

Mountain View, CA

SETI Institute funds research related to life and intelligence in the universe, including astrobiology, planetary science, and technosignatures, as well as some education and outreach work. Its 2025 grants ranged from $6,429 to $196,500, with a median of $38,012, and went mainly to organizations in California and other U.S. states. It accepts applications through its Technosignature Science and Technology Grants Program; its STRIDE fund is limited to Institute personnel.

Randall a Wolf Family Foundation

Fremont, CA

The foundation supports youth development and education, food access, homelessness services, and community programs, including facility and property projects. Its 2024 grants ranged from $1,000 to $205,000, with a median of $12,500, and went almost entirely to California organizations. It funds only preselected organizations and does not accept unsolicited requests.

Trio Foundation

Stamford, CT

The Stamford-based foundation supports preselected organizations working in areas including impact investing, community capacity-building, peace and social justice, and youth civic education. Its 2025 grants ranged from $1,000 to $420,000, with a median of $9,000, and recipients were based across the United States; it does not accept unsolicited requests.

Thelma Doelger Charitable Trust

Daly City, CA

The Thelma Doelger Charitable Trust supports charitable organizations across areas including animal welfare, health, human services, education, and youth programs, primarily in California. Its 2025 grants ranged from $4,500 to $145,000, with a median award of $10,000. A 2024 filing describes an application form and contact for requests; it does not state whether unsolicited applications are accepted.