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| Boston Electronics Corporation |   | |
| CI Systems |   | ||
| CI Systems |   | ||
| Electro Optical Industries, Inc. (EOI) |   | ||
| Isothermal Technology Limited |   | ||
| Land Infrared |   | ||
| Infrared Systems Development Corporation - ISDC |   | ||
| Mikron Instrument Company, Inc. |   | ||
| Newport Electronics |   | ||
| Optronic Laboratories |   | ||
| Omega Engineering, Inc. |   | ||
| Optical Energy Technologies, Inc. |   | ||
| Optikos Corporation |   | ||
| Thermo Oriel |   | ||
| The Pyrometer Instrument Company |   | ||
| Raytek Corp. |   | ||
| Thermo Gauge Instruments, Inc. |   | ||
| Wintronics, Inc. |   | ||
| IRCON Inc. 7300 N. Natchez Ave. - Niles, IL 60714 USA |   | ||
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