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Antonini Family Foundation

Sun Valley, CA

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.

QueensCare

Los Angeles, CA

QueensCare funds nonprofit healthcare services and community health programs for low-income, medically underserved residents of Los Angeles County, with priority for programs in its primary and secondary service areas. In 2025, grants ranged from $10,000 to $2.8 million, with a median award of $50,000. It invites organizations to submit an inquiry about potential future funding; the profile does not state whether it accepts unsolicited grant requests.

C & R Newman Family Foundation

Encino, CA

The foundation funds organizations working in health, education, arts, youth programs, and human services, primarily in California. Its 2025 grants ranged from $500 to $1,061,000, with a median of $10,000. It gives only to preselected charities and does not accept unsolicited requests.

Henry L Guenther Foundation

Seal Beach, CA

The Henry L. Guenther Foundation funds charitable services that improve human welfare, including medical care, youth opportunities, education, housing, and humanitarian projects. Its 2024 grants ranged from $5,000 to $500,000, with a median of $25,000, and primarily benefit California residents, especially in Southern California. It accepts online applications from qualified charitable organizations serving Californians; individuals cannot apply.

The Karsh Family Foundation

Beverly Hills, CA

The Karsh Family Foundation funds education, philanthropy, and the arts, with 2025 grants concentrated in New York, Virginia, and California, as well as Georgia and Alaska. Its 91 grants totaled nearly $19.9 million; amounts ranged from $500 to $5.3 million, with a median of $10,000. The available information does not say whether it accepts unsolicited requests.

The Ahmanson Foundation

Beverly Hills, CA

The Ahmanson Foundation funds Los Angeles County nonprofits in arts and humanities, education, health care, human services, homelessness, and environmental preservation, often for construction, equipment, or other one-time project costs. Its 2024 grants ranged from $2,000 to $6.3 million, with a median of $50,000. It encourages applicants to submit a Letter of Inquiry, but the profile does not explicitly state whether it accepts unsolicited requests.

Lon V Smith Foundation

Beverly Hills, CA

The Lon V Smith Foundation supports preselected charities working in areas including health, youth services, food assistance, veterans’ services, and disability inclusion, with 94% of its 2024 grant dollars going to California. Its 2024 grants ranged from $1,000 to $40,000, with a median of $10,000; it does not accept unsolicited funding requests.

Wm Keck Foundation

Los Angeles, CA

The W.M. Keck Foundation funds high-risk, high-potential science, engineering and medical research nationally, plus arts and culture, education, health and community-service projects in Southern California, with an emphasis on children, youth, families and under-resourced communities. Typical awards are $1 million–$1.3 million over three years for research and $100,000–$1 million through its Southern California Program. The profile does not state whether it accepts unsolicited requests.

Pasadena Community Foundation

Pasadena, CA

Pasadena Community Foundation funds nonprofits and community initiatives across arts and culture, education, human services, health and safety, community development, and environmental and animal welfare, primarily in Pasadena, Altadena, and Sierra Madre. Its 2025 grants had a median award of $20,000, though amounts varied widely; it uses both competitive and invitation-only programs, and the profile does not state whether it accepts unsolicited requests.

The Rose Hills Foundation

Pasadena, CA

The Rose Hills Foundation funds education, arts and culture, support for at-risk youth and families, and human services benefiting people in Southern California, with an emphasis on Los Angeles County organizations. Its 2024 grants ranged from $6,000 to $1 million, with a median of $50,000; applications are accepted year-round, but unsolicited requests are not accepted from certain large medical institutions, schools, and higher-education institutions.

Strauss Foundation TD

Saint Louis, MO

In 2025, the foundation supported preselected charitable organizations across areas including arts and culture, health, and community services, with grants ranging from $250 to $143,000 and a median grant of $5,000. Recent giving was concentrated in California, Florida, New York, Pennsylvania, and Colorado. It does not accept unsolicited requests for charitable contributions.