Shelby Materials is a full-service company that specializes in concrete, aggregates, golf course materials and septic tanks. The company is a member of the Indiana Ready Mixed Concrete Association, National Ready Mix Concrete Association and Indiana Mineral Aggregate Association. Its projects include Wal-Mart Distribution Centers, Press Kogyo USA, INDOT Gateway Bridge, Cummins World Headquarters and Jenson Steel. The products offered by the company include mason and white silica sand, roofing and washed pea gravel, fill dirt and crushed stone products. The company operates more than 10 concrete plants and aggregate mines. Shelby Materials has been operational for more than 55 years and maintains a location in Indianapolis.