CMC Materials is a global supplier of consumable materials to semiconductor manufacturers and pipeline companies. Co. operates its business within two reportable segments: Electronic Materials and Performance Materials. The Electronic Materials segment consists of Co.'s chemical mechanical planarization (CMP) slurries, CMP pads, electronic chemicals, and materials technologies businesses. Co.'s Performance Materials segment includes its pipeline and industrial materials, wood treatment, and its QED Technologies International, Inc. subsidiary's precision optics business that serves the precision optics industry with capital equipment, consumables, and services.