Accutome Inc. (Halma plc)
BiCOM Inc
bon Optic Vertriebsges. mbH
C.S.O. Costruzione Strumenti Oftalmici S.r.l. Canon Inc. Carl Zeiss AG
Essilor International S.A. Haag-Streit Holding AG (Metall Zug AG)
Huvitz Co. Ltd. Icare Finland Oy (Revenio Group Corporation)
Kowa American Corporation
Nidek Co. Ltd. OCULUS Optikgerate GmbH
Reichert Inc. Rexxam Co. Ltd. Shanghai MediWorks Precision Instruments Co. Ltd. Suzhou 66 Vision-Tech Co. Ltd. Suzhou Kangjie Medical Inc Co. Ltd. Tianjin Suowei Electronic Technology Co. Ltd. Tomey Corporation
Topcon Corporation
Ziemer Ophthalmic Systems AG