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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
NREC Power Systems Inc is a Houma, LA-based company in the Manufacturing sector.
Special Systems Design Inc is a Hopkins, MN-based company in the Manufacturing sector.
Stainless Automation is a Cleveland, OH-based company in the Manufacturing sector.
SAES Getters is a Colorado Springs, CO-based company in the Manufacturing sector.