Tobii DynaVox gives its customers a voice -- literally. The company provides touch and eye tracking based communication and environment control devices for persons with speech, learning, and physical disabilities. Its products, which include speech generation and educational software, are used by individuals diagnosed with amyotrophic lateral sclerosis (ALS, or Lou Gehrig's disease), autism, cerebral palsy, stroke, traumatic brain injury, and similar conditions. Tobii DynaVox hosts a suite of more than a dozen products as well as additional partner products. The company generates most of its sales from the US, but it is active in some 60 countries. It is a subsidiary of larger eye-tracking technology firm Tobii AG, based in Sweden.