- National Council on Disability www.ncd.gov
- Centers for Medicare & Medicaid Services (CMS) www.cms.gov
- National Association of Developmental Disabilities (NADD) www.thenadd.org
- American Association on Intellectual and Developmental Disabilities (AAIDD) www.aaidd.org
- Developmental Disabilities Resource Center www.ddrcco.com
- DC Department on Disability Services (DDS)www.dds.dc.gov
