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| Beam Engineering Company |   | |
| DataRay Inc. |   | ||
| Gentec Electro-Optics, Inc. |   | ||
| Melles Griot Optics |   | ||
| J. P. Sercel Associates, Inc. (JPSA) |   | ||
| Metro Lux Optische Messtechnik GmbH |   | ||
| Ophir Optronics Inc. |   | ||
| Photon, Inc. |   | ||
| Precision Devices, Inc. |   | ||
| Spiricon, Inc. |   | ||
| Star Tech Instruments |   | ||
| WaveFront Sciences, Inc. |   | ||
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