American Speech-Language-Hearing Association (ASHA) http://www.asha.org/

The Childhood Apraxia of Speech Association of North America (CASANA) http://www.apraxia-kids.org/

Autism Speaks http://www.autismspeaks.org/

Autism Society http://www.autism-society.org/

The Stuttering Foundation http://www.stutteringhelp.org/

National Stuttering Association (NSA) http://www.westutter.org/