1. Ametek Inc.
2. Boston Micromachines Corporation
3. CI Systems
4. ELECTRO-OPTICAL PRODUCTS CORP.
5. Hinds Instruments Inc.
6. Holmarc Opto-Mechatronics Ltd.
7. II-VI Incorporated by Coherent Corp.
8. McPherson
9. Newport Corporation
10. Sciencetech Inc.
11. Scitec Instruments Ltd
12. Stanford Research System
13. Sutter Instrument
14. TeraSense Group
15. Thorlabs Inc.