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| Electrostatics, Inc. |   | |
| ESD Systems |   | ||
| EXAIR Corporation |   | ||
| Ion Systems |   | ||
| 3M - Electronic Handling and Protection Division |   | ||
| 3M ESM ( Electronic Specialty Markets ) |   | ||
| Desco |   | ||
| SIMCO Industrial Static Control |   | ||
| ITW Vortec |   | ||
| ARTX, Ltd. - Air Research Technology Company 1770 West Lexington St. - Cincinnati, OH 45212 USA |   | ||
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