Martin and Ami Weiss Foundation

Bull Henry W Foundation

Eagan, MN

The foundation supports a range of causes, including arts, land conservation, animal care, and medical research; its 2024 grants had a median of $5,000 and ranged from $2,000 to $45,000. Based in Milwaukee, it gave most of its 2024 grant dollars to California organizations, with some support across other states. It accepts requests by letter through US Bank N.A., with April 1 and September 1 deadlines.

Reynolds Family Foundation

Wilmington, DE

The Reynolds Family Foundation supports a varied mix of child and family services, education, reproductive health, and other organizations, with 2024 grants concentrated in Florida, Illinois, Washington, DC, and California. Its grants ranged from $500 to $500,000, with a median of $5,000. No application process is specified, so it is unclear whether it accepts unsolicited requests.

The Yelp Foundation

San Francisco, CA

Barnsley Emma Foundation

Saint Louis, MO

The foundation funds animal welfare, veterinary education, wildlife studies, and animal and habitat conservation, particularly in Texas and New York; its 2025 grants also went to organizations in Tennessee and Washington, D.C. Grants ranged from $5,000 to $30,000, with a median of $6,250. It directs applicants to apply online, but does not state whether it accepts unsolicited requests.

The Ayrshire Foundation

Pasadena, CA

The Ayrshire Foundation funds charitable organizations across varied areas, including arts, human services, and community and environmental preservation, primarily in California and also in Michigan. Its 2025 grants ranged from $6,100 to $250,000, with a median of $50,000. It funds only preselected organizations and does not accept unsolicited requests.

Esper A Petersen Foundation

Grayslake, IL

The foundation supports a broad range of work, including education, arts and culture, health care, community services, and historic preservation, with most 2025 grants going to California, followed by Florida and Illinois. Its 2025 grants ranged from $1,000 to $154,758, with a median of $5,000. It does not limit giving to preselected organizations, and the filing describes how to submit a solicitation but does not explicitly state whether unsolicited requests are accepted.

The Max H Gluck Foundation Inc

Sherman Oaks, CA

The Max H Gluck Foundation funds programs addressing underserved people’s educational, health, cultural, and creative needs, including arts and music programs, museums, and community services. In 2025, grants ranged from $2,000 to $586,055, with a median of $57,500; most funding went to California, with additional grants in New York, Washington, D.C., Washington, and Illinois. It gives only to preselected charitable organizations 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.

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.

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.