
Widex Hearing
Since: 1956 Head Quater: LDenmark Widex A/S is the world’s sixth largest hearing aid manufacturer. In close collaboration with international audiological researchers and specialists, the company has developed a wide range of digital hearing aid.

Phonak
Sonova Holding AG (Phonak Holding AG before 1 August 2007) is an internationally active Swiss company, specializes in hearing care solutions (hearing instruments, cochlear implants, wireless communication solutions). It is one of the largest providers in the sector worldwide. The group operates through its core business brands Phonak, Unitron, Hansaton, Advanced Bionics and AudioNova.

Sivantos
WS Audiology (formerly Sivantos Group) is a manufacturer of hearing aids. Sivantos was spun off from Siemens Audiology Solutions after Siemens AG sold the company to EQT VI and Santo Holding GmbH in 2015.As part of the merger with Widex in 2019, it was renamed WS Audiology.

GN Resound
Using innovative hearing solutions, ReSound guides people of all ages back into the world of sound. Since 1943, this Danish company has been developing high-quality hearing devices that allow their wearers to forget they have hearing loss.

Oticon
Oticon is a hearing aid manufacturer based in Copenhagen, Denmark. It was founded in 1904 by Hans Demant, whose wife was hearing impaired. The company claims to be the world's second-largest manufacturer of hearing aids, and uses a management style known as "Spaghetti Organization" introduced by Lars Kolind under his leadership between 1988 and 1998. The company is a subsidiary of the Demant Group.

Oticon
Starkey Hearing Technologies is an American privately owned company based in Eden Prairie, Minnesota that makes hearing aids, and is one of the largest hearing aid manufacturers in the world.his leadership between 1988 and 1998. The company is a subsidiary of the Demant Group.