Some of the people and organization who have made many of the Mad haPPy projects possible through their generous contributions are listed here (in no particular order):

Puffin Foundation

Puffin Foundation West

Laurie Fabiano

Ellen Friedman

Future Fossil Music

Michael Rylant

Katherine Silver

Cynthia Finneran

Helen Hudson

David Crowley

P Claire Pertalion

Virginia Parrott

Arlene Silver

Doris China

Carla Murray

Elizabeth Kilmer

Neal Cavallo