• Hound Dog Hearing distributes assistive listening devices. Including TV ears, PhoneMax, Pocketalker, and more.

• Intelligent Hearing Systems instrumentation for audiologists, neurologists and medical researchers.

• Lloyd Hearing Aid Corp. Offers hearing aids, batteries, accessories, and repairs.

• Master Hearing Aid Co. Ltd. manufactures and sells pendant, inserted, subminiature, and eardrum hearing aids.

• New Century Hearing Aids offering tiny canal aids and over-the-ear aids.

• Sonic Innovations Designs, manufactures, and markets Natura digital hearing aids and provides information about hearing and hearing loss.

• Sonus provides products and services for hearing-impaired patients at company-owned and franchised clinics.

• Starkey Direct suppliers of digital and analog hearing aids, batteries, and tests to the deaf and hearing impaired.

• The Hearing Site Offers canal aids, batteries, and more.