Donald and Ruby Branson Foundation

First Interstate BancSystem Foundation

Billings, MT

The First Interstate BancSystem Foundation funds poverty reduction, youth development, financial education, and community development, as well as civic, arts, education, health, human services, and sustainability efforts in communities served by First Interstate Bank across 10 states. Its 2025 grants had a median award of $2,500, though amounts varied widely; the stated minimum grant is $2,500. Organizations can submit grant requests online, which are traditionally reviewed monthly, but grants must be recommended by a local First Interstate branch.

Carroll Petrie Foundation

Santa Fe, NM

The Carroll Petrie Foundation funds animal welfare and humane treatment, wildlife protection, habitat conservation, and related environmental work, with a focus on New Mexico and the Southwest. Its 2024 grants ranged from $2,000 to $3,862,500, with a median of $50,000. It funds preselected organizations by invitation only and does not accept unsolicited requests.

Cross Charitable Foundation

Bozeman, MT

The foundation funds education, homelessness and assistance for oppressed people, wildlife and environmental conservation, and dog health and welfare in Idaho, Utah, Montana, and Wyoming. In 2024, grants ranged from $5,000 to $100,000, with a median of $20,000. It does not accept unsolicited requests; organizations must be invited by the Board to apply.

Prewoznik Foundation

Santa Monica, CA

The Florence S Mahoney Foundation

Washington, DC

The Florence S Mahoney Foundation supports a range of charitable work, including food and shelter, education, health and nutrition, community services, and animal rescue, with grants to organizations in California and other states. Its 2025 grants ranged from $1,000 to $10,000, with a median of $5,000. It accepts written requests, and the filing lists no deadlines.

Manitou Fund

White Bear Lake, MN

Manitou Fund supports organizations in areas including education, arts and cultural preservation, tennis, and land conservation, with 2024 grants ranging from $10,000 to $1.75 million and a median of $50,000. Its 2024 grants went mainly to California, Minnesota, New York, Florida, and Rhode Island. It funds only preselected charitable organizations and does not accept unsolicited requests.

Eugene Martin Charitable Trust

Granbury, TX

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 supports nonprofits through discretionary and donor-directed grants, with discretionary priorities including education, health, housing and immigration, alongside other areas such as arts, civic engagement and economic opportunity. Its 2025 grants had a median of $50,000, and its work is focused on Los Angeles County; prospective discretionary applicants are asked to contact the relevant program officer before submitting a letter of intent.

The William & Flora Hewlett Foundation

Menlo Park, CA

The William & Flora Hewlett Foundation funds education, climate and conservation, the arts, democracy, gender equity, racial justice, and efforts to strengthen nonprofits and philanthropy, with work spanning the San Francisco Bay Area, the U.S. West, and locations including East and West Africa and Mexico. Its 2024 grants had a median award of $150,000, though amounts varied widely. It generally does not accept unsolicited requests, but sometimes invites proposals through open processes.

Marin Community Foundation

Novato, CA

Marin Community Foundation funds work in affordable housing and homelessness, community resilience and power, as well as social services, education, arts and conservation, with a focus on marginalized Marin County residents and some broader U.S. and international grantmaking. Its 2025 grants had a median of $25,000, though amounts varied widely. The profile does not state whether it accepts unsolicited requests.

Direct Relief

Santa Barbara, CA

Direct Relief supports healthcare providers serving people affected by poverty or emergencies, including community health centers, clinics, and grassroots organizations, with medicines, supplies, and funding for health access and equity. In 2025, its grants had a median award of about $65,000, and its work spans all 50 U.S. states and countries around the world; the profile does not state whether it accepts unsolicited requests.