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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
allen filters inc is a Springfield, MO-based company in the Manufacturing sector.
Industrial Ventures is a Wichita, KS-based company in the Manufacturing sector.
Simson-Maxwell is a Port Coquitlam, BC-based company in the Manufacturing sector.
Neff Power Inc is a Saint Louis, MO-based company in the Manufacturing sector.