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| American Capacitor Corporation | |
| Bishop Electronics Corporation | ||
| Illinois Capacitor | ||
| LCR Electronics | ||
| Electronic Concepts | ||
| Southern Electronics | ||
| ASC Capacitors | ||
| Evox Rifa, Inc. / Evox Rifa | ||
| Tecate Industries | ||
| WIMA, Wilhelm Westermann | ||
| Vimex International Corporation | ||
| Elpac | ||
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