Surdna Foundation
Established as a charitable foundation in 1917 by John Emory Andrus
Rockefeller Brothers Fund
Set up in 1940 by the five sons of John Jr.
The McKnight Foundation
Minnesota-based and focused family foundation
The Kresge Foundation
Private foundation headquartered in Troy, Michigan
Bloomberg Philanthropies
Includes Mike Bloomberg's personal giving and the Bloomberg Family Foundation
Kendeda Foundation
Founded by Diana Black in 1993 after her divorce from Arthur M Blank.