Charles Furneaux Charitable Trust Trust

Gates Family Foundation

Denver, CO

Gates Family Foundation funds Colorado-focused work in education, natural resources, community development, informed communities, and capital projects benefiting Colorado residents. Its 2025 grants ranged from $2,000 to $20 million, with a median of $25,000. It does not accept unsolicited requests for strategic grants; capital grant applications are accepted.

Harrison R and Dorothea S Cooke Trust

Honolulu, HI

Cooke Foundation Limited

Honolulu, HI

The Cooke Foundation supports Hawaiʻi nonprofits working in arts, culture and humanities, education, environment, and human services. In 2025, grants ranged from $3,150 to $200,000, with a median of $20,000; it funds organizations in Hawaiʻi. It accepts online applications through a letter-of-interest process, but unsolicited proposals outside its priority areas are not considered.

Atherton Family Foundation

Honolulu, HI

The Atherton Family Foundation funds Hawai‘i-serving nonprofits in arts and culture, community development, education, environment, health, human services, spiritual development, and youth development, with an emphasis on collaborative systems change. Its stated average awards for 2026 are about $13,500 for program grants and $41,500 for capital grants. It accepts applications through its online process at scheduled deadlines.

Macnaughton Foundation

Honolulu, HI

The MacNaughton Foundation supports education, healthcare, housing, homelessness, arts, sustainability, job creation, and community development, primarily in Hawaii. Its 2025 grants ranged from $206 to $25,000, with a median of $5,000. It gives only to preselected charitable organizations and does not accept unsolicited requests.

Ernest H Hui Family Foundation

Kaneohe, HI

The Ernest H Hui Family Foundation supports charitable organizations in areas including community services, conservation, family support, education, housing, and public media. Its 2025 grants ranged from $100 to $10,000, with a median of $1,000; nearly half of grant dollars went to Hawaii, with others going to organizations in several states. It accepts unsolicited requests from eligible organizations, with no formal application or established deadline.

Arrillaga Foundation

Palo Alto, CA

The Arrillaga Foundation supports a range of work, including education, research, health, community services, and the arts, with most 2024 grant dollars going to California organizations. Its grants ranged from $10,000 to $3.5 million, with a median of $50,000. It funds only preselected charitable organizations and does not accept unsolicited requests.

The Tinybell Charitable Fund

Wilmington, DE

The Tinybell Charitable Fund supports charitable organizations, including educational institutions, with recent grants going to recipients in California, Hawaii, New York, and Rhode Island. In 2024, it made 11 grants totaling $453,000, ranging from $1,000 to $170,000, with a median grant of $10,000. It funds only preselected organizations and does not accept unsolicited requests.

Ben & Miriam Lau Foundation

Mililani, HI

The foundation supports Hawaii organizations, with 2024 grants spanning health care, food assistance, community services, education, and youth sports. It awarded grants of $250 to $40,000, with a median of $5,000. No application process or policy on unsolicited requests is provided.

Louis and Flori Petri Foundation

Walnut Creek, CA

The Louis and Flori Petri Foundation supports charitable organizations with general-purpose grants, typically ranging from $1,000 to $5,000, with a median of $1,500. Its 2025 grants went to organizations in several states, led by Hawaii, Illinois, Georgia, and California. It funds only preselected organizations and does not accept unsolicited requests.

The Victoria S and Bradley L Geist Foundation

Honolulu, HI

The foundation funds projects for young people transitioning from foster care and capacity-building for organizations serving foster children and their caregivers in Hawaii. Its capacity-building grants are typically $5,000–$40,000; recent annual grant totals varied widely, so a typical overall award size is not stated. It says giving is not limited to preselected organizations and lists application dates of January 15, May 15, and September 15.

T Foundation

Honolulu, HI

T Foundation supports organizations with varied purposes, with most of its giving focused on Hawaii; it also funds organizations elsewhere in the U.S. In 2024, grants ranged from $100 to $25,000, with a median award of $2,000. It accepts unsolicited requests by letter of inquiry to the executive director, on an ongoing basis.