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| CUDA Products Corp. |   | |
| Unifab Electronics |   | ||
| Dymax Corp. |   | ||
| Efos Inc. |   | ||
| Electro-Lite Corporation |   | ||
| Heraeus Noblelight GmbH |   | ||
| Hamamatsu Photonic Systems |   | ||
| International Light, Inc. |   | ||
| Loctite Corporation |   | ||
| Western Quartz Products, Inc. |   | ||
| Xenon Corporation |   | ||
| EIT Inc. 108 Carpenter Drive - Sterling, VA 20164 USA |   | ||
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