Oticon (Hearing Aid Manufacturer) www.oticonusa.com 

Sonic Innovations (Hearing Aid Manufacturer)www.sonici.com 

Starkey (Hearing Aid Manufacturer) www.starkey.com

Siemens (Hearing Aid Manufacturer)  www.siemens-hearing.com

Telecommunications Access Iowa (Vouchers for Telephones) www.relayiowa.com/tai 

Weitbrecht Communications (Captioned Telephones) www.weitbrecht.com