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| Ventronics | |
| South American Development Corp.(SADC) | ||
| Custom Magnetics Inc. | ||
| Badger Transformer Company | ||
| JM Transformer Co., Inc. | ||
| Yog Systems India (P) Ltd. | ||
| Deyoung Mfg., Inc. | ||
| Peter W. Dahl Company | ||
| Petra | ||
| Integrity Technology Corporation | ||
| Virginia Transformer Corp. | ||
| DTMagnetics | ||
| Torotel Products | ||
| TINITRON,Inc, | ||
| Signal Transformer Co., Inc. Insilco Technologies Group - 500 Bayview Avenue - Inwood, NY 11096-1792 USA - | ||
| Cletronics Inc. | ||
| Sigma Electronics, Inc. | ||
| Magnetic Circuit Elements, Inc. (MCE) | ||
| Coiltron | ||
| Allied Components International | ||
| Transpower Technologies Inc. | ||
| Anoma Electric Company, Ltd. | ||
| OPT Industries, Inc. | ||
| TRENCO Transformer Engineering Corporation (TEC) | ||
| CoEv | ||
| Formco 427 Plain Street - Marshfield, MA 02050 USA - - | ||
| Aslan Elektronik San. ve Tic. Ltd. Sti. | ||
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