• MED-EL GmbH
• Sonova Holding AG
• William Demant Holding A/S
• Starkey laboratories Inc.
• GN Store Nord A/S (GN Hearing A/S)
• Amplifon SpA (Ampliter N.V.)
• Widex A/S
• Oticon Medical AB
• Cochlear Ltd.
• Medtronic PLC