www.azdhs.org    Arizona Deptartment of Health Services

www.ata.org     American Tinnitus Association

www.asha.org    American Speech-Language & Hearing Association

www.shhh.org     Hearing Loss Association of America

www.Oticonusa.com     Oticon

www.Widexusa.com     Widex

www.audiology.org   American Acadamy of Audiology

www.Neuromonics.com  Neuromonics Tinnitus treatment