- The Annenberg Foundation
- Morris and Gwendoyn Cafritz Foundation
- Fannie Mae Foundation
- Freddie Mac Foundation
- W. K. Kellogg Foundation
- Philip Graham Fund
- Willima T. Grant Foundation
- National Endowment for the Arts
- Harold and Mimi Steinberg Charitable Trust
- Hattie M. Strong Foundation
- United Food and Commercial Works, Local 400
- United Way of the National Capital Region
