Six Red Marbles, LLC company was founded in 1996 and has completed more than 150 projects for the educational publishing community covering such subjects as reading, math, science, social studies, and foreign language. Six Red Marbles provides software development and related services for educational publishers, including programming, content development, and product design. Six Red Marbles' services include planning, content creation, application development, testing and delivery, and tool customization. The company's clients have included Harcourt, Brindle Learning Tools, and Hampton-Brown.