Cement manufacturing plantThe cement industry is the building block of the nation's construction industry. Few construction projects can take place without utilizing cement somewhere in the design. 

United States cement production is widely dispersed with the operation of 107 cement plants in 36 states. The top five companies collectively operate 49.6 percent of U.S. clinker capacity with the largest company representing 14.2 percent of all domestic clinker capacity. An estimated 76.7 percent of U.S. clinker capacity is owned by companies headquartered outside of the U.S.

Cement consumption is dependent on the time of year and prevalent weather conditions. Nearly two-thirds of U.S. cement consumption occurs in the six months between May and October. The majority of all cement shipments, approximately 70 percent, are sent to ready-mix concrete operators. The rest are shipped to manufacturers of concrete related products, contractors, materials dealers, oil well/mining/drilling companies, as well as government entities.