Pittsburgh-based LB Foster acquires UK rail engineering firm Pittsburgh Post Gazette Green Tree-based L.B. Foster Co. said today it is acquiring TEW Engineering of Nottingham, England. The 100-year-old TEW Engineering designs and makes applications for rail companies. L.B. Foster senior vice president John Kasel said in a prepared ... LB Foster Buys TEW Engineering L.B. Foster Company: L.B. Foster Announces Acquisition of TEW Engineering Ltd |