International Hearing Society  http://ihsinfo.org/IhsV2/Home/Index.cfm

Better Hearing Institute http://www.betterhearing.org/

CHAPA Continuing Competence (CMS) website   http://www.chapacms.com/

National Board for Certification in Hearing Instrument Sciences  http://www.nbc-his.com/

CHAPA    CHAPA Continuing Competence