Buzzi Unicem | Bethlehem, Pa.

Buzzi Unicem | Bethlehem, Pa. Most ready-mix operations are centered around Memphis, Tenn. In 2008, Buzzi bought City Concrete Co., which was owned by U.S. Concrete. City Concrete of Memphis was bought for $7.2 million and was merged into Memphis Ready-Mix LLC. Thanks to purchases like that one and company consolidation, the company’s ready-mix profits were up 18.9% in the U.S. even as cement sales fell 10.5%.