National
The nation’s largest autism science and advocacy organization, dedicated to funding research into the causes, prevention and treatments; increasing awareness of autism spectrum disorders; and advocating for the needs of individuals with autism and their families.
Autism and PDD Support Network
Great site for information, resources, and forums!
The First Signs website provides a wealth of vital resources, covering a range of issues: from monitoring development, to concerns about a child; from the screening and referral process, to sharing concerns.
State
Maryland’s statewide nonprofit dedicated to improving the lives of individuals with autism through information, referrals, and resources.
Maryland’s Home and Community Based Services Waiver for Children with Autism Spectrum Disorder allows eligible children with Autism Spectrum Disorder to receive specific waiver services and certain Medicaid services to support them in their homes and communities.
The Autism Journey 