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| Twintec | |
| Boston Gear | ||
| Duff-Norton P.O. Box 7010 - Charlotte, NC 28241-7010 USA - - | ||
| SPC | ||
| Parker Hannifin Schrader Bellows Division | ||
| Snap tite Inc. | ||
| Walther Praezision | ||
| Clippard Instrument Laboratory, Inc. | ||
| Janatics India Private Limited | ||
| Thread Technology, Inc. Makers of ZipNut Products | ||
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