ACCO is the oldest & largest grassroots childhood cancer organization in the U.S. dedicated to making childhood cancer a national priority 🎗 #ACCO #GoGold® Founded in 1970, ACCO is the oldest and largest grassroots childhood cancer organization in the U.S. dedicated to making childhood cancer a national health priority. GO GOLD® is the Registered Trademark of the American Childhood Cancer Organization. To educate, support, serve and advocate for families of children with cancer, survivors of childhood cancer, and the professionals who care for them.