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| Therma Tron-X, Inc. |   |
| MIFCO McEnglevan Industrial Furnace Company |   | |
| Infatrol Manufacturing Corp. |   | |
| Marathon Sensors Inc. 3100 East Kemper - Cincinnati, OH 45241 USA - - |   | |
| Alpha 1 Induction Service Center |   | |
| Steelman Industries |   | |
| BOC Edwards |   | |
| Pillar Industries |   | |
| Corbett Industries, Inc. |   | |
| Drever Company USA |   | |
| Granco Clark |   | |
| PV/T, Incorporated |   | |
| Benko Products - - - |   | |
| Inductoheat, Inc. |   | |
| Lanly Company |   | |
| Centorr/Vacuum Industries |   | |
| C.I. Hayes Inc. |   | |
| Epcon Industrial Systems, Inc. |   | |
| Hightemp Furnaces Limited |   | |
| AFC Holcroft |   | |
| MTI Metal Treating Institute |   | |
| TOCCO - - - |   | |
| Grieve Corporation |   | |
| Ipsen International Inc. |   | |
| Radyne Corporation |   | |
| Park Thermal |   | |
| Wirco Inc. |   | |
| VFS Vacuum Furnace Systems Corp. |   | |
| Ebner Furnaces |   | |
| HTF, Inc. |   | |
| Bloom Engineering Company, Inc. |   | |
| California Heating Equipment |   | |
| Blu Surf |   | |
| The Mellen Company, Inc. |   | |
| Elnik Systems, Inc. |   | |
| Audubon Sales & Service |   | |
| Surface Combustion, Inc. |   | |
| BeaverMatic |   | |
| EOI Hetherington |   | |
| Coldfire |   | |
| Aichelin Group |   | |
| Nova Analytical Systems |   | |
| Rolock Inc. |   | |
| CEC Consolidated Engineering Company |   | |
| Precision Quincy |   | |
| Flinn & Dreffein Engineering Company |   | |
| L&L Special Furnace Co., Inc. |   | |
| Applied Test Systems, Inc. |   | |
| Pyradia |   | |
| SteelTech, Ltd. |   | |
| HTN Heat Treating Network |   | |
| Wisconsin Oven Corporation |   | |
| J. L. Becker Company |   | |
| Gehnrich Oven Sales Company |   | |
| Upton Industries, Inc. |   | |
| Nabertherm LLC |   | |
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