The Robert & Renee Kelly Foundation

Guess Foundation

Los Angeles, CA

GUESS FOUNDATION supports social, health, education, arts, and community initiatives, with recent grants also including emergency response and wildfire relief. Its 2025 grants ranged from $5,000 to $150,000, with a median of $25,000; most funding went to California and New York. It accepts contact from prospective applicants through any officer or director, with no specific application form or deadline stated.

Marilyn and Robert Funari Foundation

Long Beach, CA

The William Gillespie Foundation

Corona Del Mar, CA

The William Gillespie Foundation’s 2024 grants supported arts, libraries, Olympic organizations, and youth justice, with awards ranging from $2,000 to $9,500 (median $5,000). Most grant dollars went to California, though some recipients’ locations were unidentified. The 2024 filing is marked as a final return; it says giving is not restricted to preselected organizations, but does not specify whether unsolicited requests are accepted.

The J Mark Grosvenor Foundation

Cedar Falls, IA

Mary Margaret Sullivan Foundation

Los Angeles, CA

The foundation supports charities working in children’s healthcare, veterans’ services, homelessness, community reentry, and emergency services. In 2024, it awarded 14 grants of $2,000–$5,000, typically $3,000, with 44% of its funding going to California and other grants reaching several states. It funds only preselected organizations and does not accept unsolicited requests.

James H Frank Foundation

Santa Monica, CA

The Crebs Family Foundation

Upland, CA

Bilek Charitable Foundation

Henderson, NV

The Bilek Charitable Foundation supports preselected 501(c)(3) organizations working in areas including children and families, education, health, disability services, and arts and culture. Its 2025 grants ranged from $2,000 to $42,000, with a median of $7,000; funding was concentrated in California and Nevada. It does not accept unsolicited funding requests.

Aida Miller Foundation

Pleasanton, CA

The Aida Miller Foundation funds research and education, disaster relief, voter rights, disease research, hospice care, and aid to children in poverty. Its 2024 grants ranged from $200 to $75,000, with a median of $2,000; most funding went to California, with grants also reported in several other states. It gives only to preselected organizations and does not accept unsolicited requests.

The Abner Levy Foundation

Simi Valley, CA

Brenden Mann Foundation Co Dorsey & Whitney

Sioux Falls, SD

The foundation supports higher education, arts, children’s services, and community programs, with most 2024 funding going to organizations in California and Nevada. Its 41 grants totaled $813,070, with a median grant of $7,500 and awards ranging from $1,500 to $250,000. It does not accept unsolicited requests and funds only preselected organizations.

Argyros Family Foundation

Costa Mesa, CA

The Argyros Family Foundation funds medical care, education, arts, and public charities, primarily in California, with additional giving in Arizona, Idaho, Texas, and Washington, DC. Its 2025 grants ranged from $500 to $6.27 million, with a median of $25,000. It does not limit giving to preselected organizations; requests are due June 1 and should include organizational background, intended use, federal ID number, and IRS 501(c)(3) determination letter.