Wikipedia
DynaVox Mayer-Johnson is a U.S.-based developer, manufacturer and distributor of speech generating devices headquartered in Pittsburgh, Pennsylvania. The company was formed in 1983 and has since become the leading provider of speech communication devices and symbol-adapted special education software used to assist individuals in overcoming speech, language and learning challenges. DynaVox Mayer-Johnson's stated mission is to enable children and adults to reach their educational potential and experience a greater quality of life by maximizing each person’s ability to communicate and learn. The company's best-known products include the Maestro and EyeMax System communication solutions, and the Boardmaker Software Family, a suite of tools that allow educational curriculum and activities to be adapted to meet a range of student learning, cognitive and physical needs.