- American Association on Intellectual and Developmental Disabilities (AAIDD)
The professional association run by and for professionals who support people with intellectual and developmental disabilities.
- Angelman Syndrome Foundation (ASF)
ASF's Mission is to advance the awareness and treatment of Angelman Syndrome through education and information, research, and support for individuals with Angelman Syndrome, their families and other concerned parties.
- Autism Society of America
ASA is the nation’s leading grassroots autism organization, and exists to improve the lives of all affected by autism.
- Autism Speaks
Autism-related resources regarding advocacy, family services, community oureach, charity events, research and more.
- Autism Speaks - First 100 Days Kit
A tool kit to assist families in getting the critical information they need in the first 100 days after an autism diagnosis.
- Autism Speaks: Video Glossary
Free, web-based tool designed to help parents and professionals learn more about the early red flags and diagnostic features of autism spectrum disorders (ASD).
- Autism Speaks: Walk Now for Autism
Autism Speaks' Walk Now for Autism is North America's largest grassroots autism walk program and our signature fundraising and awareness event. Join us at one of our walks across the United States, Canada or the United Kingdom.
- Autism Tennessee - Formerly Known As: Autism Society of Middle Tennessee
Monthly workshops, orientations, annual conferences, support groups, referral to local resources, phone support, educational and legislative advocacy, public awareness opportunities and trainings, and an active involvement in the larger disability community.
- United Cerebral Palsy
Cerebral palsy (CP) is a disability caused by brain damage that restricts normal movement and coordination. The mission of United Cerebral Palsy is to advance the independence, productivity, and full citizenship of people with disabilities through an affiliate network. UCP educate, advocates, and provides support services.
- Children and Adults with Attention Deficit Disorders (CHADD)
Children and Adults with Attention-Deficit/Hyperactivity Disorder (CHADD), is a national non-profit organization providing education, advocacy and support for individuals with AD/HD.
- DS-Connect™: The Down Syndrome Registry
This National Institutes of Health Registry links those seeking volunteers for their research studies with those who most stand to benefit from the research.
- Foundation for Angelman Syndrome Therapeutics (FAST)
Organization of families and professionals dedicated to finding a cure for Angelman Syndrome and related disorders through the funding of an aggressive research agenda, education, and advocacy. The Foundation is committed to assisting individuals living with Angelman Syndrome to realize their full potential and quality of life.
- Genetics Home Reference
Genetics Home Reference provides consumer-friendly information about the effects of genetic variations on human health.
- Learning Disabilities Association of America
Since 1963, LDA has provided support to people with learning disabilities, their parents, teachers and other professionals. At the national, state and local levels, LDA provides cutting edge information on learning disabilities, practical solutions, and a comprehensive network of resources.
- National Alliance on Mental Illness (NAMI)
NAMI is the National Alliance on Mental Illness, the nation’s largest grassroots organization for people with mental illness and their families. Founded in 1979, NAMI has affiliates in every state and in more than 1,100 local communities across the country.
- National Down Syndrome Congress
The mission of the NDSC is to provide information, advocacy and support concerning all aspects of life for individuals with Down syndrome.
- National Down Syndrome Society
The mission of the National Down Syndrome Society is to benefit people with Down syndrome and their families through national leadership in education, research and advocacy.
- National Fragile X Foundation
The National Fragile X Foundation unites the Fragile X community to enrich lives through educational and emotional support, Promote public and professional awareness, and Advance research toward improved treatments and a cure for Fragile X.
- National Organization for Rare Disorders (NORD)
The National Organization for Rare Disorders (NORD), a 501(c)3 organization, is a unique federation of voluntary health organizations dedicated to helping people with rare "orphan" diseases and assisting the organizations that serve them. NORD is committed to the identification, treatment, and cure of rare disorders through programs of education, advocacy, research, and service.
- Prader-Willi Syndrome Association
PWSA (USA) is an organization of families and professionals working together to promote and fund research, provide education, and offer support to enhance the quality of life of those affected by Prader-Willi syndrome.
- Special Olympics
Special Olympics is an international organization dedicated to empowering individuals with intellectual disabilities to become physically fit, productive and respected members of society through sports training and competition. Special Olympics offers children and adults with intellectual disabilities year-round training and competition in 26 Olympic-type summer and winter sports.
- Tennessee Deaf-Blind Project
A federally funded program designed to equip families, educators, and other professionals with the knowledge and skills needed to improve outcomes for individuals from birth through age twenty-one who have both vision and hearing impairments.
- The Arc of the United States
The Arc is the world’s largest community based organization of and for people with intellectual and developmental disabilities. It provides an array of services and support for families and individuals and includes over 140,000 members affiliated through more than 850 state and local chapters across the nation.
- United Cerebral Palsy (UCP)
United Cerebral Palsy (UCP) is the leading source of information on cerebral palsy and is a pivotal advocate for the rights of persons with any disability. As one of the largest health charities in America, the UCP mission is to advance the independence, productivity and full citizenship of people with disabilities through an affiliate network.
- Williams Syndrome Association
The WSA is the only group in the US devoted exclusively to improving the lives of individuals with Williams syndrome and their families. The WSA supports research into all facets of the syndrome, and the development of the most up to date educational materials regarding Williams syndrome.