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| Jensen Transformers, Inc. |   |
Transpower Technologies Inc. |   | |
Midcom |   | |
OPT Industries, Inc. |   | |
Hammond Manufacturing |   | |
Prem Magnetics, Inc. |   | |
Delta Electronics, Inc. |   | |
Precision, Inc. |   | |
Coilcraft Inc. |   | |
Custom Magnetics Inc. |   | |
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