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| ERICO | |
| Square D - North American Division of Schneider Electric 1415 South Roselle Road - Palatine, IL 60067 USA - - | ||
| Aero Motive Company | ||
| Rogers Corporation, Microwave Materials Division | ||
| Hoyt Corporation | ||
| Rogers Corporation, Rogers N.V. | ||
| Bel Products, Inc. | ||
| Bussco Inc. | ||
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