Administration on Intellectual and Developmental Disabilities (AIDD)
AIDD is dedicated to ensuring that individuals with developmental disabilities and their families are able to fully participate in and contribute to all aspects of community life in the United States and its territories.
American Association on Intellectual and Developmental Disabilities (formerly AAMR).
AAIDD promotes progressive policies, research, effective practices and universal human rights for people with intellectual and developmental disabilities.
The Arc of the United States – National/State Chapters for Developmental Disabilities
Toll Free: 800/433-5255, 202/534-3700
National Association of Councils on Developmental Disabilities (NACDD)
NACDD's mission is to provide support and assistance to member Councils in order to promote a consumer and family centered system of services and supports for individuals with developmental disabilities.