The following is a list of prominent national organisations that provide resources for individuals on the autism spectrum and their families. Each site contains a wealth of information and links to credible internet resources.

Autism Canada Foundation 
The website provides information about characteristics, early indicators, and diagnosis of autism as well as descriptions of a range of treatment options and current research in the field of autism.

Autism Society for America 
The Autism Society provides the latest information regarding treatment, education, research and advocacy. 

Autism Society of Canada 
The Autism Society of Canada represents a very large collective voice of the autism community that supports universally accessible autism spectrum disorder treatment and services, as well as the implementation of national surveillance, and better funding for research.

Autism Speaks  
Autism Speaks is the largest autism science and advocacy organisation in the United States. It is dedicated to funding research into the causes, prevention, treatments and cure for autism; increasing awareness of autism spectrum disorders; and advocating for the needs of individuals with autism and their families.

Autism Spectrum Australia 
Australia’s largest not-for-profit autism specific service provider with a mission to build confidence and capacity with people who have an autism spectrum disorder, their families and communities by providing information, education and other services. 

Geneva Centre for Autism 
Geneva Centre for Autism is an internationally-recognised centre of excellence in the field of autism. The website houses an extensive collection of resources offering a wealth of information about ASD and related disorders.

    National Autistic Society  
    The leading UK charity for people with autism and their families. The organisation provides information, support, and services as well as campaigns for a better world for people with autism.