A & M Hearing Ltd. http://ourworld.compuserve.com/homepage/amhearing
ACTIVE ELECTRONICS, Inc http://www.activeelectronics.com
AIM Instrumentation Northwest Inc http://www.home.xl.ca/aim
AMERICANEAR http://www.americanear.com
AUDIO CONTROLE (Canadian) http://www.audiocontrole.com
AVR Communications Ltd http://www.avrsono.com
Bell Hearing Instruments http://www.bellhearing.com
BELTONE http://www.beltone.com/
BERNAFON-MICO http://www.bernafon-maico.com
CLARITY HEARING INSTRUMENTS http://www.midcoast.com/~clarity
DANAVOX http://www.danavox.com
DECIBEL Instruments, Inc http://www.decibel.com
General Hearing Instruments, Inc http://www.generalhearing.com
HEARING INNOVATIONS http://www.hearinginnovations.com/
LORI MEDICAL LABORTORIES http://www.lorimedical.com/
MAGNATONE Quality Hearing Instruments http://www.usa.com/maganatone
MARCON http://members.aol.com/marconhear
MICRO-TECH http://www.hearing-aid.com
MIRACLE-EAR http://www.miracle-ear.com
OTICON http://www.oticonus.com
PHILIPS http://www.nl.hearing.philips.com
PHONAK http://www.phonak-us.com/
Phonic Ear Inc http://www.phonicear.com
RESOUND http://www.resound.com
REXTON http://www.rexton.com
Rion Co. Ltd. http://www.rion.co.jp/index-e.html
SIEMENS http://www.siemens-hearing.com
SONAR HEARING HEALTH INC, http://www.sonarhh.com
SONIC-INNOVATIONS http://www.sonici.com
STARKEY http://www.starkey.com
TELEX http://www.telex.com
QUALITONE http://www.qualitone.com
UNITED HEARING SYSTEMS http://www.unitedhearing.com/index.htm
UNITRON http://www.unitron.com
WIDEX http://www.widexusa.com