John & Susan Horseman Foundation for

The Andrew W Mellon Foundation

New York, NY

The Andrew W. Mellon Foundation funds arts and culture, higher education, the humanities, and public access to knowledge, primarily through grants to eligible nonprofit organizations in the U.S. and abroad. Its 2024 grants ranged from $10,000 to $8.56 million, with a median of $500,000. Most grants are by invitation, though the Foundation occasionally issues open calls and accepts inquiries for some programs.

The Andy Warhol Foundation

New York, NY

The Andy Warhol Foundation for the Visual Arts funds artist-centered organizations and contemporary visual arts projects, including creation, exhibitions, public programs, residencies, and research. Its 2025 grants ranged from $7,182 to $1,775,871, with a median of $50,000; it funds mostly U.S. organizations, as well as some abroad.

United Jewish Foundation

Bloomfield Hills, MI

The United Jewish Foundation supports Jewish community continuity, including Jewish organizations, older adults, education, children, medical research, and related services. Its 2025 grants had a median of $18,000, though awards ranged widely; 87% of grant dollars went to Michigan, with some support elsewhere in the U.S. The profile does not state whether it accepts unsolicited requests.

Moreno Family Foundation

Phoenix, AZ

The Moreno Family Foundation supports children’s programs, health, community services, education, and the arts, primarily in Arizona and California. Its 2024 grants ranged from $1,000 to $2.5 million, with a median grant of $25,000. It funds only preselected charitable organizations and does not accept unsolicited requests.

Sonja & F Conrad Fischer Foundation

Chicago, IL

The foundation funds a broad range of organizations, including arts and cultural groups, education, health, and human services; in 2024, grants ranged from $500 to $125,000, with a median of $12,500. It is based in Chicago and gave mainly in Illinois, Michigan, and Colorado in 2024, with smaller amounts elsewhere. It does not restrict giving to preselected organizations; applicants are instructed to contact F Conrad Fischer with a standardized request, due by November 15.

Virginia G Piper Charitable Trust

Phoenix, AZ

Virginia G Piper Charitable Trust funds nonprofits and community partners serving Maricopa County, Arizona, in arts and culture, children, education, healthcare, older adults, religion, and nonprofit capacity. In 2025, grants ranged from $25 to $1 million, with a median of $7,500. It uses a competitive application process that begins with a Letter of Inquiry; unsolicited requests are not explicitly addressed.

The Norton Foundation

Glendale, AZ

The Norton Foundation supports organizations providing healthcare, human services, animal welfare, and community services, with grants largely directed to Arizona and also to Nebraska and Oregon. Its 2024 grants ranged from $1,000 to $300,000, with a median of $25,000. The profile does not state whether it accepts unsolicited requests.

The Virginia M Ullman Foundation

Phoenix, AZ

The Virginia M Ullman Foundation supports Arizona organizations in areas including arts, education, civic engagement, conservation, and community programs. Its 2024 grants ranged from $25,000 to $150,000, with a median of $75,000. It accepts requests from IRS-exempt organizations; applicants should contact Harry Papp, and the stated deadline is October 1.

Carl & Rene Cohen Foundation Inc

Scottsdale, AZ

Greater Horizons

Kansas City, MO

Greater Horizons is a donor-advised fund provider whose donor-directed grants support eligible U.S. public charities across a broad range of causes; international organizations may also qualify with additional review and fees. In 2024, grants had a median of $15,000, with itemized awards ranging from $5,001 to $10,073,050, and recipients were located across the United States, especially in California, Texas, Nebraska, New York, and Kansas. It describes a grant-request process for donors, not an application process for organizations, so unsolicited requests are not stated as accepted.

St Louis Community Foundation Inc

St. Louis, MO

The St. Louis Community Foundation supports nonprofits through donor- and foundation-directed grants, with priorities including economic mobility and youth connections as well as education, health, arts, and culture. Its 2024 grants had a median of $20,000, though amounts ranged from $5,050 to $4 million; its regional priorities center on Greater St. Louis, especially designated high-need ZIP codes. Grant processes vary by fund, so the profile does not establish whether the Foundation accepts unsolicited requests generally.