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| Alcon Industries, Inc. |   | |
| Alro Specialty Metals |   | ||
| The Wilkinson Company, Inc. |   | ||
| Atlas Steel Products |   | ||
| Attica Components Limited |   | ||
| Datum Alloys Limited |   | ||
| Datum Alloys Limited |   | ||
| Mallory Alloys Group |   | ||
| Maloya Laser, Inc. |   | ||
| National Electronic Alloys |   | ||
| Pacific Plus / Hwa Yang Stainless Steel Group |   | ||
| Target Materials, Inc. |   | ||
| Theis Precison Steel Corporation |   | ||
| Allegheny Technologies Inc. 1000 Six PPG Pl. - Pittsburgh, PA 15222-5479 USA |   | ||
| A. M. Castle & Co. - |   | ||
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