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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
Rapid Tooling Inc is a Plano, TX-based company in the Manufacturing sector.
L-R Systems is a New Lenox, IL-based company in the Manufacturing sector.
DME is a Santa Fe Springs, CA-based company in the Manufacturing sector.
Neff Power Inc is a Saint Louis, MO-based company in the Manufacturing sector.