David Li

CMC Materials, Inc. engages in the development, manufacture, and sale of chemical mechanical planarization consumables products. It operates through the following segments: Electronic Materials and Performance Material. The Electronic Materials segment consists of CMP slurries and polishing pads businesses and KMG electronic chemicals business. The Performance Materials segment includes KMG's heritage pipeline performance and wood treatment businesses and QED business. The firm offers chemical mechanical planarization slurries for polishing many of the conducting, insulating and isolating materials used in integrated circuit devices, and for polishing the disk substrates and magnetic heads used in hard disk drives. It also develops, manufactures and sells chemical mechanical planarization polishing pads, which are used in conjunction with slurries in the chemical mechanical planarization process. The company was founded by William P. Noglows in October 1999 and is headquartered in Aurora, IL.

CMC Materials KMG Corp. engages in the production and distribution of specialty chemicals. It operates through the following segments: Electronic Chemicals and Performance Materials. The Electronic Chemicals segment sells wet process chemicals primarily to the semiconductor industry. The Performance Materials segment includes the pipeline performance and wood treating chemicals business platforms. The company was founded in 1992 and is headquartered Fort Worth, TX.

CoorsTek, Inc. manufactures and markets ceramics and precision seals. It offers research and development, custom manufacturing and design assistance services. The firm serves aerospace and defense, auto and transportation, chemicals, consumer and household, electronics and energy industries. The company was founded by Adolph Coors in 1872 and is headquartered in Golden, CO.