Funders
- Anne T. & Robert M. Bass Foundation
- Annenberg Foundation
- Annie E. Casey Foundation
- Anonymous
- Anonymous philanthropic foundation
- Appalachian Investment Ecosystem Initiative (AIEI)
- Appalachian Regional Commission
- Aranday Foundation
- Arca Foundation
- Archewell Foundation
- Archstone Foundation
- Arcus Foundation
- Area Agency on Aging of the County of Los Angeles
- Ares Charitable Foundation - Climate-Resilient Employees for a Sustainable Tomorrow (CREST)
- ARIADNE
- Arizona Community Foundation
- Arjay and Frances F. Miller Foundation
- Arkansas Community Foundation
- Arkansas Impact Philanthropy
- Arnold Ventures