Sonova Holding AG
Sonova Holding AG manufactures hearing systems and wireless communication systems for audiology applications. The company operates through two segments: Hearing Aids and Cochlear Implants. The Hearing Aids segment involves in the design, development, and service of hearing instruments and related products. The Cochlear Implants segment engages in the manufacture, distribution and service of hearing implants and related products. Sonova Holding was founded by Andreas E. Rihs, Beda Diethelm, and Hans-Ueli Rihs in 1985 and is headquartered in Stafa, Switzerland.