Wilkes Family Foundation Inc

Greater Washington Community Foundation

Washington, DC

The Greater Washington Community Foundation supports nonprofits and community initiatives across areas including education, health, human services, arts, economic development, and workforce development, with a focus on equity and economic justice. Its 2025 grants ranged from $5,000 to $9.1 million, with a median of $20,000; it centers its work on DC, Montgomery and Prince George’s counties, and Northern Virginia. It accepts applications through scheduled competitive grant rounds and some solicited, invite-only opportunities; donor-recommended grants are not open to applicants.

The Mitchell P Rales Family Foundation

Potomac, MD

The foundation supports a range of charitable organizations, including affordable housing, education, children’s programs, health care, and community services, primarily in Maine and Maryland, with smaller amounts in Virginia and Washington, D.C. In 2024, grants ranged from $1,000 to $1,209,656, with a median of $5,000. It funds only preselected organizations and does not accept unsolicited requests.

The Winston-Salem Foundation

Winston-Salem, NC

The Winston-Salem Foundation funds nonprofits and community groups serving Forsyth County, North Carolina, across areas including education, housing, health, arts, community development, and human services. Its 2024 grants had a median of $25,000; specific programs offer up to $2,000 for small grants, $30,000 for civic engagement and inclusion, and $15,000 through The Women’s Fund. It accepts applications through its grants portal for listed programs, subject to their requirements and deadlines.

Clark Charitable Foundation Inc

Chevy Chase, MD

The foundation funds engineering education, Washington, DC initiatives, and programs for veterans and their families, with 2024 grants also supporting health, culture, and community services. Its 2024 grants ranged from $5,000 to $23 million, with a median of $350,000, and were concentrated in Maryland and DC, with additional funding in North Carolina, Massachusetts, and New York. It does not accept unsolicited requests and funds organizations it selects.

Harold Rubenstein Family Charitable Foundation

Washington, DC

The foundation supports organizations in education, libraries, environmental conservation, journalism, the arts, civil rights, and community services. In 2025, grants ranged from $500 to $25,000, with a median of $3,000; the largest share went to organizations in DC, followed by Maryland, Colorado, Connecticut, and New York. It funds only preselected organizations and does not accept unsolicited requests.

The Jewish Federation of Greater Washington Inc

North Bethesda, MD

The Jewish Federation of Greater Washington funds Jewish organizations and programs focused on community connection, learning, inclusion, family engagement, and support for people in need, primarily in DC, Suburban Maryland, and Northern Virginia, with some national and international giving. Its 2025 grants ranged from $5,001 to $3.3 million, with a median of $20,000. It invites proposals when specific funding opportunities are open; none are currently listed.

Park Foundation Inc

Ithaca, NY

The foundation funds work in environmental protection, democracy, civic participation, media, animal welfare, and community needs, supporting both local efforts in Ithaca and Tompkins County and initiatives with national impact. Its 2024 grants had a median of $50,000, though awards ranged widely; prospective grantees are encouraged to contact the foundation, and it accepts letters of inquiry at any time in its Democracy, Civic Participation, and Animal Welfare programs.

Frederick Henry Prince Testamentary Trust

Chicago, IL

The trust supports arts and culture, environmental work, youth development, democracy, and human services, with a focus on Chicago, Washington, D.C., and Newport, Rhode Island. Its 2024 grants ranged from $100 to $200,000, with a median of $20,000. It invites organizations to share a brief overview through its Community Inquiry Form, but Washington, D.C. applications require an invitation; Chicago fall arts applications are also by invitation.

Buffy and Wm Cafritz Family

Washington, DC

Max & Victoria Dreyfus Foundation Inc

Washington, DC

The Max & Victoria Dreyfus Foundation supports U.S.-based community nonprofits working in areas such as arts and culture, education, health, youth, and the environment, and may fund operating costs or specific projects. Typical grants are $1,000–$20,000, with no stated geographic preference within the United States, including its territories. It accepts requests through its application process.

Annie E Casey Foundation Inc

Baltimore, MD

The Annie E. Casey Foundation funds U.S. nonprofits and other partners working to improve outcomes for children and young people, including family strengthening, child welfare, education, employment, community development and juvenile justice. In 2024, grants ranged from $50 to $1,185,000, with a median of $40,000. Grants are by invitation only; it does not accept unsolicited requests.

The Harry and Jeanette Weinberg

Owings Mills, MD

The Harry and Jeanette Weinberg Foundation funds direct services, programs, general operations, and capital projects in housing, health, jobs, education, and aging for low-income and vulnerable people. Its 2024 grants had a median of $50,000; its Small Grants Program offers up to $50,000 over two years, with funding focused on Baltimore, Hawaiʻi, Israel, and Northeastern Pennsylvania. It awards grants by invitation only and does not accept unsolicited requests.