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