- Andrew W. Mellon Foundation
- Atlantic Philanthropies
- California Endowment
- California Wellness Foundation
- Campion Foundation
- Carnegie Corporation of New York
- CFLeads
- Child Sexual Exploitation Funders' Alliance (CSEFA)
- Color of Democracy Fund
- Conrad N. Hilton Foundation
- Council on Foundations
- Evelyn & Walter Haas, Jr. Fund
- Ford Foundation
- Foundation for the Mid South
- Four Freedoms Fund
- James Irvine Foundation
- John D. and Catherine T. MacArthur Foundation
- John S. and James L. Knight Foundation
- Knight Foundation
- Kresge Foundation
