Connevans

A UK company specialising in products for deaf people.
www.connevans.com

Phonak

A manufacturer of hearing aids and FM systems.
www.phonak.com

Phonic Ear

Manufacturer specialised in Assitive Listening Devices.
www.phonicear.com

Sennheiser

Electro-acoustic products manufacturer specialised in Infrared and FM systems.
www.sennheiser.com

Voltage Valet

Directory of countries with their electrical configurations.
www.voltagevalet.com