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| CI Systems |   | |
| Land Infrared |   | ||
| Mikron Instrument Company, Inc. |   | ||
| Newport Electronics |   | ||
| Optronic Laboratories |   | ||
| Omega Engineering, Inc. |   | ||
| The Pyrometer Instrument Company |   | ||
| Raytek Corp. |   | ||
| Wintronics, Inc. |   | ||
| IRCON Inc. 7300 N. Natchez Ave. - Niles, IL 60714 USA |   | ||
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