From a firm offering at the time of start-up a typing system based on a discarded Teletype machine to now developing sophisticated speech-generating devices (SGDs) utilizing a variety of vocabulary, or language systems, selected based upon the clientÂ’s needs and accessed, depending upon the clientÂ’s capabilities, via: Head-pointing devices; Eye-tracking systems anda battery of switches, Prentke Romich Company is a leading lpayer in the space of enabling individuals with speech and language disabilities to become successful communicators through Augmentative and Alternative Communication (AAC) devices, computer access products, and other assistive technology. PRC has enabled thousands of children and adults worldwide with speech disorders to achieve spontaneous, independent, and interactive communication regardless of their disability, literacy level, or motor skills.