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| Arkhe Co., Ltd. |   | |
| Metal Specialty Co. Inc. |   | ||
| Super Alloys Metals Unlimited |   | ||
| Timet Titanium Metals Corporation |   | ||
| Titanex |   | ||
| Titanium Industries, Inc. A Allegheny Technologies Company |   | ||
| Altemp Alloys, Inc. 1650 E. Babbitt Avenue - Anaheim, CA 92805-6402 USA |   | ||
| A. M. Castle & Co. - |   | ||
| Sumikeisho Corporation Sekaicho Bldg. 3rd floor, 6-24, 1-chome - Nakatsu, Kita-ku - Osaka, 531-0071 Japan |   | ||
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