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| Boston Electronics Corporation |   | |
| CI Systems |   | ||
| Electro Optical Industries, Inc. (EOI) |   | ||
| Isothermal Technology Limited |   | ||
| Infrared Systems Development Corporation - ISDC |   | ||
| Optical Energy Technologies, Inc. |   | ||
| Optikos Corporation |   | ||
| Thermo Oriel |   | ||
| Thermo Gauge Instruments, Inc. |   | ||
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