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| Aemc Instruments/cchauvin Arnoux, Inc. |   | |
| Habco Inc. |   | ||
| Heussner Optics, Inc. |   | ||
| Keithley Instruments |   | ||
| Micro-radian Instruments, Inc. |   | ||
| Santronics Division of Static Control Components Inc. |   | ||
| Tapeography |   | ||
| TREK, Inc. |   | ||
| Ultra Tec Manufacturing, Inc. |   | ||
| Precision Electrolysis Inc. / uniprobe.com |   | ||
| VibroSystM Inc |   | ||
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