Disability Statistics Center—disseminates statistical information on disability and the status of people with disabilities in American Society.

National Center for the Dissemination of Disability Research—conducts research, dissemination and utilization activities, demonstration projects, and technical assistance.

State of the States in Developmental Disabilities—a longitudinal study of the structure and financing of services for people with intellectual and developmental disabilities in the United States from 1977 through 2013. The study is located at the University of Colorado.