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Lone Star Technologies, Inc. is a management and holding company with six principal subsidiaries, Lone Star Steel Company (Steel), Fintube Technologies, Inc. (Fintube), Bellville Tube Company, L.P. (Bellville), Wheeling Machine Products, Inc. and
J V Precision Machine Co Inc is a Seymour, CT-based company in the Manufacturing sector.
G. E. Mathis Company is a Chicago, IL-based company in the Manufacturing sector.
Precision Systems Manufacturing is a Liverpool, NY-based company in the Manufacturing sector.
Beta Machinery Analysis Ltd is a Calgary, AB-based company in the Manufacturing sector.