Following are websites with information related to hearing disorders:

• Ameriphone - Communication equipment, amplified telephones, voice carry-over phone and notification systems for the deaf and hard-of-hearing

• Gentner - Manufactures assistive listening devices such as amplified audio for hearing impaired people

• Hearing Aid Telephone Interconnect Systems - Develops products to connect hearing aids with cellular phones, telephones, and other listening devices.

• hearXchange - Provides resources to enable the hard of hearing and deaf to be made aware of the changing technologies in the hearing field

• Listen Technologies - Manufactures wireless assistive listening systems for the hard of hearing

• Modernizing Hearing Aid Services - Seeks to improve patient services and making digital hearing aid technology available through Britain's National Health Service

• Printacall - Manufactures communications technology for deaf, hearing impaired and speech impaired people

• TypeWell - Manufactures an educational transcription software that allows communication access during classes for deaf students.