U.S. Concrete produces ready-mixed concrete, precast concrete, and other related materials and services used for commercial, residential, and infrastructure construction projects. U.S. Concrete has a fleet of 1,000 mixer trucks and about 450 ready-mixed concrete, concrete block, and aggregate plants. The company produces more than 6 million cubic yards of ready-mix and 3 million tons of aggregate each year, with ready-mixed concrete accounting for about 90% of the company's sales. It concentrates on serving major markets, including California, Michigan, New Jersey, New York, and Texas. U.S. Concrete filed for Chapter 11 bankruptcy protection in 2010.