The Arc of Arizona

The Arc is a national non-profit volunteer organization whose major goal is to help children and adults with mental retardation and other developmental disabilities. It is committed to securing for all people with developmental disabilities the opportunity to choose and realize their goals of where they live, learn, work and play. The Arc is also committed to reducing the incidence and limiting the consequences of mental retardation through education, research, advocacy and the support of families, friends and community.
http://www.arcofarizona.org/