Montgomery County Thrift Shop Association Inc

The Carol & George Henry Family Fnd

Armonk, NY

The foundation supports charitable organizations in areas including animal welfare, health, education, and community services, with recent grants concentrated in Virginia, New York, Maryland, and Washington, DC. In 2025, it awarded 22 grants totaling $349,500; grants ranged from $300 to $177,000, with a median of $8,000. It funds only preselected organizations and does not accept unsolicited requests.

The Rosenfeld Rumford Steckler Family

Chevy Chase, MD

The Rosenfeld Rumford Steckler Family funds education and training, arts and culture, humanitarian relief, research, poverty relief, and racial justice. In 2025, it made 79 grants of $500–$20,000, with a median of $2,100; giving was concentrated in Washington, DC and Maryland. It does not accept unsolicited requests and gives only to preselected charitable organizations.

Aris and Marianne Mardirossian Charitable

Venice, FL

Owen M Johnson Family Foundation

Potomac, MD

The Owen M Johnson Family Foundation supports a range of charitable organizations, including community, educational, historic-preservation, outdoor, and health-related groups. Its 2025 grants ranged from $135 to $30,000, with a median of $1,000, and went to organizations in multiple states and Washington, DC, especially Illinois. It funds only preselected organizations and does not accept unsolicited requests.

Pradhan Foundation Inc

Bethesda, MD

Walter & Sarah Diener Foundation

Rockville, MD

The Walter & Sarah Diener Foundation supports preselected charitable organizations, with recent grants spanning elder care, hospitals, education, and employment training. Its 2025 grants ranged from $750 to $43,750, with a median of $5,000; nearly all grant dollars went to Maryland, with a small share going to South Carolina. It does not accept unsolicited funding requests.