Tides Foundation

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.

The Rockefeller Foundation

New York, NY

The Rockefeller Foundation funds large-scale efforts to improve human well-being, including work in energy, food, health, finance, and economic opportunity, in the United States and internationally. Its 2024 grants ranged from $400 to $75 million, with a median of about $171,000. It does not accept unsolicited requests.

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.

NEO Philanthropy Inc

New York, NY

NEO Philanthropy funds social-justice movements and community organizations, including work on immigration, democracy, reproductive, racial and climate justice, and LGBTQ rights. In 2024, its 558 grants ranged from $5,000 to $23.58 million, with a median of $50,000; grants went mainly to Washington state, Washington, DC, North Carolina, California, and New York. It does not accept unsolicited requests or proposals; potential grantees are generally invited to apply.

Foundation to Promote Open Society

New York, NY

It supports organizations and movements advancing rights, equity, justice, and accountable democracy, with work spanning the United States and six global regions. In 2024, grants ranged from $5,000 to $44.9 million, with a median of about $257,000; most grants go to organizations the foundations approach directly, though some programs use proposals or letters of inquiry.

The Yelp Foundation

San Francisco, CA

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.

John D and Catherine T Macarthur

Chicago, IL

The foundation funds a broad range of work, including journalism, arts, Chicago communities, climate and clean energy, homelessness, human rights, and criminal justice reform. Its 2024 grants had a median of $160,000, with awards ranging from $450 to $21 million; funding is nationwide, with the largest shares going to New York, Illinois, and Washington, D.C. Application rules vary by program: some accept self-nominations or Letters of Inquiry, while others generally do not fund unsolicited proposals.

The Chicago Community Trust

Chicago, IL

The Chicago Community Trust funds nonprofits addressing economic mobility, wealth gaps, and urgent community needs, with priorities including homeownership, small businesses, education, quality jobs, and investment in underinvested communities. Its 2025 itemized grants had a median of $26,500, though awards vary widely; grants generally benefit Chicago-region residents, and the Trust directs applicants to open opportunities but does not state whether it accepts unsolicited requests.

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.

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.