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| ANVER Corporation |   | |
| LDS Vacuum Products |   | ||
| ATC Inc. |   | ||
| A. W. Sperry |   | ||
| NDT International |   | ||
| JH Technology |   | ||
| LACO Technologies, Inc. |   | ||
| Light Engineered Displays, Inc. L.E.D. |   | ||
| Amprobe |   | ||
| UView Ultraviolet Systems |   | ||
| Vacuum Technology |   | ||
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