Rinker Materials Corporation is one of the largest producers of heavy building materials in the United States and is headquartered in West Palm Beach, Fla. The company maintains a professional staff of more than 10,000 employees and operates in more than 30 U.S. states. It manufactures concrete blocks, cutting equipment and blades, hammers, pliers, pry bars, shovels, hoes, rakes, sprayers, compressors and measuring equipment. Rinker Materials Corporation also manufactures plasters and coatings, pool copings, drainage systems, control joints, wrap strips, power cords, rebar shears, sealants and patch cement products. In addition, the company offers engineering field analysis, paving mixture performance studies and thermal desorption services. Rinker Materials Corporation maintains a location in West Palm Beach, Fla.