• Carl Zeiss AG
• Leica Microsystems GmbH (Danaher Corporation)
• Abbott Laboratories
• Canon Inc. (Canon Medical Systems Corporation)
• PerkinElmer Inc.
• Topcon Corporation
• Hamamatsu Photonics K.K.
• Koninklijke Philips N.V.
• Heidelberg Engineering Inc.
• Visionix Ltd.