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| LEM Instruments, Inc. | |
| Carlo Gavazzi / Dupline | ||
| PRODYN Technologies, Inc. | ||
| Logic Beach Inc. | ||
| F.W. Bell Products from Sypris Test & Measurement | ||
| Magnavolt Technologies | ||
| Midtronics, Inc. | ||
| Tektronix | ||
| Amprobe | ||
| Robin Electronics Limited | ||
| Vernier Software & Technology | ||
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