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| PHD, Inc. | |
| Jordan Controls, Inc. | ||
| Densitron Corporation of America | ||
| Aeroflex, Inc. | ||
| Seitz Corporation | ||
| HD Systems, Inc. / Harmonic Drive Systems | ||
| Numatics, Inc. | ||
| Nabtesco Precision USA Inc. | ||
| Robohand Inc | ||
| TRW Automotive Electronics / Ledex Actuation Products | ||
| Harmonic Drive Technologies | ||
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