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| Adtech Analog Digital Technology | |
| Fargo Controls, Inc. | ||
| Acculex Inc. | ||
| Status Instruments, Inc. | ||
| Gurley Precision Instruments (GPI) | ||
| Keithley Instruments | ||
| RSF Electronics, Inc. | ||
| SIKO Products, Inc. | ||
| Sony Precision Technology America, Inc. | ||
| US Digital | ||
| Otek Corp. | ||
| Jumo Process Control, Inc. | ||
| Red Lion Controls | ||
| Southwestern Industries | ||
| Sargon Industries, Inc. | ||
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