Smith International, Inc. is a leading worldwide supplier of products and services to the oil and gas exploration and production industry, the petrochemical industry and other industrial markets. Headquartered in Houston, the Company employs approximately 7,500 full-time personnel and operates through four business units – M-I L.L.C., Smith Bits, Smith Services and Wilson. The Company provides a comprehensive line of technologically-advanced products and engineering services, including drilling and completion fluid systems, solids-control equipment, waste-management services, three cone and diamond drill bits, fishing services, drilling tools, underreamers, casing exit and multilateral systems, packers and liner hangers. The Company also offers supply-chain management solutions through an extensive branch network providing pipe, valves, fittings, mill, safety and other maintenance products.