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Widex is the only company added to the VAâs new roster of suppliers, who were notified of their selection on August 20. ReSound, Oticon, Phonak, Siemens, and Starkey Hearing Technologies were also chosen by the VA in 2009, when it last solicited bids from hearing aid makers.
Hearing Aids 101 > Hearing Aid Batteries > Hearing Aid Battery Manufacturers Hearing Aid Battery Manufacturers Some hearing aid manufacturers, such as Beltone, Starkey and Siemens, also produce and sell batteries for their products. Other major producers of hearing aid batteries include: Rayovac started as the French Battery Company in 1906 and is now one of the largest battery manufacturers in the US and a leading supplier of zinc air hearing aid batteries. Rayovac's products include Rayovac Ultra ProLine and Loud 'N Clear. Renate Batteries are a Swiss-based company owned by the Swatch Group.