• Autism Biomedical Information Network Science-based biomedical information and commentaries on autism/PDD. Includes definitions of 'good' science and research.

• Autism Clinical Trials List of clinical trials, results, and resources.

• Autism Society of America Foundation The primary mission of ASAF is to raise and allocate funds to address the many unanswered questions about autism. ASAF sponsors work as diverse as the people affected by autism, spanning such fields as neurobiology, education, behavioral science, adult services, and disability law.

• Cure Autism Now Foundation (CAN) An organization of parents, physicians, and researchers, dedicated to promoting and funding research with direct clinical implications for treatment and a cure for autism. The largest private funder of autism research.

• Doug Flutie, Jr. Foundation for Autism Provides funding for services for financially disadvantaged families who need assistance in caring for their autistic children; funds research and education into the causes and consequences of childhood autism; serves as a clearinghouse and communications center for new and innovative programs and services developed for autistic children.

• Exploring Autism Information about breakthroughs in genetic research of autism. Genetics overview, history of autism, news, family stories, frequently asked questions, and links.

• Medicine for Autism Today (MAT) Funds research to aid in the development of a cure for autism.

• National Alliance for Autism Research (NAAR) A national nonprofit, tax-exempt organization dedicated to finding the causes, prevention, effective treatment, and ultimately, a cure of the autism spectrum of disorders.

• NeuroImmune Dysfunction Syndromes (NIDS) Mission is to identify effective medical treatments, and potentially a cure for those suffering from Autism, Asperger's Syndrome, PDD, ADD, ADHD, CFS, CFIDS and others.

• Origins of Autism The causes or etiology of autism described from an evolutionary perspective.

• Research Relevant to Autism Promotes interdisciplinary perspectives on autism spectrum disorders and brings attention to research findings in neurochemistry that may be relevant to problems of language development and auditory attention.

• Targeting the Autism Genome (TAG) Non-profit organization that brings technologies such as 'Reverse Functional Genomics' and other breakthroughs in developmental biology, stem cells and genomics to Autism Research.