• Beaver-Visitec International (formerly BD Ophthalmology Systems)
Waltham, Massachusetts, USA
• Alcon Laboratories Philippines, Inc. (per project basis)
Ortigas, Pasig City
• Topcon Corporation (through Top Ophthalmic Products and Services Corp., per project basis)
Makati City
• Quantel Medical (through Top Ophthalmic Products and Services Corp., per project basis)
Makati City
• Appasamy Associates (through Filipinas Teknomed Marketing Corporation, per project basis)
East Kamias, Quezon City
