Autism Speaks is a “leading autism science and advocacy organization, dedicated to funding research into the causes, prevention, treatments and a cure for autism; increasing awareness of autism spectrum disorders; and advocating for the needs of individuals with autism and their families.”
They also help families with resource information. A good place to start is the 100 Day Kit for Newly Diagnosed Families of Young Children. This kit can be found at: 100 Day Kit for Newly Diagnosed Families
The Autism Speaks website can be found at: Autism Speaks