Founded in 1930, Central Pre-Mix Concrete is a supplier of ready-mix concrete to the construction industry. Central Pre-Mix Concrete is a member of the Oldcastle Materials family of businesses. With more than 13,000 employees in 30 states, Oldcastle Materials generated more than $3.5 billion in revenues in 2004 through the production of aggregates, asphalt, ready-mix concrete and construction services. Oldcastle Materials produces more than 7.7 million cubic yards of ready-mix concrete at more than 150 facilities throughout the United States. The company produces more than 37 million tons of asphalt at more than 280 facilities in the U.S. It also supplies more than 148 million tons of aggregates from more than 340 facilities in the U.S. Oldcastle Materials is headquartered in Washington, D.C. Central Pre-Mix Concrete is headquartered in Spokane, Wash., and maintains a location in Pasco, Wash.