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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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