- Stuart Foundation
- Surdna Foundation
- The Wallace Foundation
- U. S. Department of Agriculture
- U. S. Department of Education
- U. S. Department of Health and Human Services
- U. S. Department of Housing and Urban Development
- U.S. Department of Justice
- U.S. Department of Justice Office of Justice Programs
- United States Department of Labor
- Vira I. Heinz Endowment
- W.K. Kellogg Foundation
- William and Flora Hewlett Foundation
- William E. Simon Foundation
- William Penn Foundation
