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| Advanced Thermoelectric Products |   | |
| Enertron, Inc |   | ||
| ESS - Environmental Stress System, Inc. |   | ||
| ERM Thermal Technologies |   | ||
| Tellurex |   | ||
| TE Technology, Inc. |   | ||
| Thermacore, Inc. |   | ||
| TECA - ThermoElectric Cooling America Corporation |   | ||
| Wakefield Engineering |   | ||
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