• Alcon Inc.
• Ziemer Ophthalmic Systems AG
• Nidek Co. Ltd.
• Topcon Corporation
• Carl Zeiss Meditec AG (Carl Zeiss AG)
• Johnson & Johnson (Johnson & Johnson Vision Care Inc.)
• EssilorLuxottica SA (Essilor Instruments USA)
• Metall Zug AG (Metall Zug AG)
• Bausch + Lomb Corporation (Bausch Health Companies Inc.)
• HEINE Optotechnik GmbH & Co. KG