Kingdom Katalyst DBA K2 Hawaii

Harold KL Castle Foundation

Kailua, HI

The Harold K.L. Castle Foundation funds primarily project-based work in public education, nearshore marine conservation, climate resilience, and Windward Oʻahu communities, mainly serving people in Hawaiʻi. In 2024, grants ranged from $500 to $550,000, with a median of $25,000. First-time applicants are directed to submit an online inquiry; the profile does not state whether unsolicited requests are accepted.

The Trompeter Family Foundation

Brooklyn, OH

The Trompeter Family Foundation supports charitable organizations working in areas such as animal welfare, education, poverty relief, services for older adults, and housing, primarily in Ohio, with some funding in Florida and other states. In 2025, grants ranged from $1,000 to $300,000, with a median of $20,000; it does not accept unsolicited requests and funds only preselected organizations.

The William and Sandra Snyder Foundation

Naples, FL

The foundation supports medical research, performing arts, natural education, community organizations, religious activities, youth education, and human services. Its 2025 grants ranged from $500 to $498,000, with a median of $7,500, and went mainly to organizations in Minnesota and Florida, with smaller shares in Missouri, Mississippi, and Kansas. It funds only preselected charitable organizations and does not accept unsolicited requests.

Malama Foundation

Kansas City, MO

Locations Foundation

Honolulu, HI

Locations Foundation supports Hawaii nonprofits, schools, students, educators, and programs focused on children and families, education, youth development, and environmental sustainability, primarily on Oahu. Its 2024 grants ranged from $1,000 to $15,847, with a median of $5,000; the filing says to contact the board of trustees but does not specify whether unsolicited requests are accepted.

Finance Factors Foundation

Honolulu, HI

Finance Factors Foundation funds charitable organizations in Hawaii, including work in education, health and human services, and community and civic affairs. Its 2024 grants ranged from $20 to $20,000, with a median of $1,500. It accepts written information from organizations for board review; no deadline is listed.

Smilow Foundation

Wilmington, DE

In its final 2024 grantmaking year, the foundation supported a varied group of organizations, including hospital, arts, environmental education, homelessness, and food-insecurity programs; filings do not state its mission. It made 18 grants ranging from $800 to $3 million, with a median of $11,250, primarily to recipients in Pennsylvania, Connecticut, and New York. The final return listed an application form, but this is not current guidance, and the foundation has wound down under this name.

Roy And Marianne Smith Foundation

Mendham, NJ

Hawaii Realtors Charitable Foundation

Honolulu, HI

The Hawai‘i REALTORS® Charitable Foundation supports community efforts addressing food insecurity and providing housing for people in need, including disaster relief and food assistance, primarily in Hawai‘i. Its 2024 grants ranged from $200 to $3,000, with a median of $2,500. It offered applications for Maui wildfire housing assistance, but the profile does not state whether it accepts unsolicited requests generally.

Maui Economic Development Board Inc

Kihei, HI

MEDB supports Maui County economic development, including STEM education and workforce programs, business assistance, and recovery efforts for wildfire-affected businesses. Its Ke Alahele Education Fund awards average about $3,000, while 2025 reported grants ranged from $5,356 to $20,000; the profile does not state whether it accepts unsolicited requests.

J Watumull Fund

Honolulu, HI

J Watumull Fund supports public charities and schools across areas including arts, education, health, community services, and child welfare; most of its 2024 grant dollars went to Hawaii. Its grants ranged from $500 to $50,000, with a median of $2,000. It accepts applications anytime.

Aloha United Way Inc

Honolulu, HI

Aloha United Way funds Hawaiʻi community organizations working on health, education, financial stability, housing, basic needs, family support, and related services, with most funding focused on Oʻahu. Its 2024 grants ranged from $5,852 to $1,858,647, with a median of $24,421; it offers specific application cycles, but the profile does not state whether it accepts unsolicited requests.