Support as of January 1, 2019:

AG Foundation

Amazon Smile Foundation

Arcus Foundation

Art for Justice Fund, a sponsored project of Rockefeller Philanthropy Advisors

Butler's Hole Fund, Boston Foundation

Butler's Hole South Fund, Boston Foundation

Coltrane Donor Advised Fund

CrossCurrents Foundation

Educational Foundation of America

Everett Foundation

Ford Foundation

Frederick W. Richmond Foundation

Furthermore: a program of the JM Kaplan Fund

LR Bauman Foundation

MacArthur Foundation

Overbrook Foundation

Public Welfare Foundation

Reed Foundation

Richard H. Driehaus Foundation

Select Equity Group Foundation

Starry Night Fund of Tides Foundation

State Street Foundation

Still in Action Fund of the Jewish Communal Fund

Stream Line Circle

Wallace Action Fund of Tides Foundation