- National Autism Associationwww.nationalautismassociation.org
- US Aspergers Association, Inc.www.usaspergersassn.com
- Developmental Disabilities Resource Centerwww.ddrcco.com
- Mayo Clinicwww.mayoclinic.com
- Centers for Medicare & Medicaid Services (CMS)www.cms.gov
- American Public Health Associationwww.apha.org
- Autism Speakswww.autismspeaks.org
- NPDCC: The national professional Development centerwww.autismpdc.fpg.unc.edu
- NAC: National Standards Project Phase 1 and 2www.nationalautismcenter.org
- National Autism Center at May Institutewww.nationalautismcenter.org
- Parent to parent of Georgiawww.p2pga.org