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| SPC |   | |
| ANVER Corporation |   | ||
| Airman Inc. |   | ||
| Clippard Instrument Laboratory, Inc. |   | ||
| Pneucon |   | ||
| Lockwood Products, Inc. 5615SW Willow Lane - Lake Oswego, OR 97035 USA |   | ||
| Mead Fluid Dynamics, Inc. 4114 N. Knox Avenue - Chicago, IL 60641 USA |   | ||
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