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| Atlantic Ultraviolet | |
| Heraeus Noblelight GmbH | ||
| Cathodeon Ltd | ||
| UVP | ||
| USHIO America | ||
| Electro Lite Corporation | ||
| JKL Components | ||
| Superior Quartz Products, Inc. | ||
| Jelight | ||
| Dymax Corp. | ||
| Venture Lighting | ||
| Western Quartz Products, Inc. | ||
| Xenon Corporation | ||
| Bertec Enterprise Co., Ltd. | ||
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