The QUIKRETE® Companies is the largest manufacturer of packaged concrete and cement mixes in North America. In addition, QUIKRETE® offers related products through numerous wholly-owned subsidiaries including Spec Mix®, Keystone® Hardscapes, Custom Building Products®, Contech®, Rinker Materials, Target Technologies®, Daubois® and QPR®. The QUIKRETE® Companies operates about 250 facilities in the U.S., Canada, Puerto Rico and South America