Carson Dellosa
CCSSO (The Council of Chief State School Officers)
Chicago Park District
Chicken Soup for the Soul
College Board
Columbia College
Crayola
Encyclopaedia Britannica
HBO
High Noon Books
Houghton Mifflin Harcourt entities
K12
Kaplan Education
Learning Care Group
Lions Clubs International Foundation
McGraw-Hill Education entities
Matan Kids
New Reader Press
Nickelodeon
Pearson entities
Renaissance Learning
Scholastic
Texas Instruments
TIME for Kids
W. H. Sadlier
HITN
Brain Quest
Ariel