Jewel Foundation Incorporated

The Phillips Foundation

Oswego, IL

The Calvin and Marisa Allen Foundation

Atlanta, GA

The foundation’s 2025 grants supported varied charitable work, including education, healthcare, veterans’ rehabilitation, food access, and animal welfare, with most grant dollars going to Georgia and others to California and several other states. Grants ranged from $2,500 to $150,000, with a median of $25,000. It funds only preselected organizations and does not accept unsolicited requests.

Tenacre Foundation

Princeton, NJ

Tenacre Foundation supports Christian Science nursing and related ministries, camps, schools, and education initiatives. Its 2025 grants ranged from $1,500 to $7 million, with a median grant of about $64,000, and went to organizations in several states, especially Kansas, New York, and Missouri. It funds only preselected charitable organizations and does not accept unsolicited requests.

The Isabel Foundation

Flint, MI

The Isabel Foundation primarily funds U.S. nonprofits supporting Christian Science and its healing ministry, including camps, schools, nursing facilities, and related initiatives; it also supports art and cultural organizations, particularly in Flint. Recent grants ranged from $500 to $250,000, with a median of $25,000. Eligible first-time applicants may submit online; the profile does not say whether requests are unsolicited.

Silicon Valley Community Foundation

Mountain View, CA

Silicon Valley Community Foundation funds work in areas such as housing, economic security, education, health, the environment, arts and culture, and civic engagement, with Community Action Grants supporting local, community-led organizations in San Mateo and Santa Clara counties. Its 2024 grants had a median of $51,716, though amounts varied widely; applications depend on the program, and SVCF states that it does not accept unsolicited proposals for advised funds.

California Community Foundation

Los Angeles, CA

The California Community Foundation funds work in education, health, housing, immigration, and other community needs, primarily in Los Angeles County. Its 2025 grants had a median of $50,000, though amounts varied widely; it does not accept unsolicited funding requests.

Tides Foundation

San Francisco, CA

Tides Foundation funds community-led organizations advancing equity and justice, including work on health, climate, gender equity, democracy, and immigrant communities. Its 2024 grants had a median of $50,000, though amounts varied widely, and it funds eligible organizations in the U.S. and abroad, with the most grant dollars going to California, New York, and Washington, D.C. Some programs are open or invitation-only; the Advancing Girls Fund is listed as open, but the profile does not state a general policy on unsolicited grant requests.

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, gender equity, governance, democracy, and philanthropy, with work in the San Francisco Bay Area, the U.S. West, nationally, and internationally. Its 2024 grants had a median of $150,000, though awards ranged from $50 to more than $11 million; it often provides long-term general operating support. It generally does not accept unsolicited requests, except through invited open processes.

Marin Community Foundation

Novato, CA

Marin Community Foundation funds equity-focused work, including affordable housing, homelessness, community resilience and power, and arts; its Buck Family Fund supports organizations serving Marin County, including those based elsewhere. Its 2025 grants had a median of $25,000 and ranged from $5,050 to $10 million; the profile does not state whether it accepts unsolicited requests.

Sempra Foundation

San Diego, CA

The Sempra Foundation funds climate action and resilience, inclusion, economic empowerment and workforce development, community engagement, and disaster preparedness in communities where Sempra employees live and work, including California, Texas, Washington, D.C., and Mexico. In 2024, grants ranged from $4 to $100,000, with a median of $260. It awards grants by invitation only and does not accept unsolicited requests.

Conrad N Hilton Foundation

Westlake Village, CA

The Conrad N. Hilton Foundation funds nonprofits working to improve lives and alleviate poverty, with initiatives including early childhood development, homelessness, refugees, safe water, and support for foster and opportunity youth. Its work is global, and its 2024 grants had a median award of $76,000. It generally does not accept unsolicited requests, except through its Good Neighbor Program for eligible local nonprofits and Title 1 schools.

Chamberlin Education Foundation

Richmond, CA

Chamberlin Education Foundation funds education equity and academic excellence in West Contra Costa public schools, including educator support, culturally responsive instruction, school leadership, and youth development. Its 2024 grants ranged from $300 to $383,919, with a $300 median; it serves West Contra Costa, including Richmond and nearby communities. It funds only preselected charitable organizations and does not accept unsolicited requests.