Washington Families for Early Autism Treatment (FEAT)
- Dedicated to ensuring all children with autism and related developmental disorders have opportunity to reach their full potential through effective behavioral intervention programs.
- http://www.featwa.org/

Washington Chapter Autism Society of America (ASA)
- Promotes lifelong access and opportunities for persons within the autism spectrum and their families to be fully included, participating members of their communities through advocacy, public awareness, education, and research related to autism.
- http://www.autismsocietyofwa.org/