Delivering Quality Solutions through Bold Innovation CMC Materials is a global supplier of critical materials to semiconductor manufacturers and pipeline operators, and was acquired by Entegris (NASDAQ: ENTG) in July 2022. CMC Materials produces materials that are key to solving our customers most demanding challenges, including the production of advanced semiconductor devices that are essential to the world’s next great technology. Our research and development, clean room facilities, manufacturing operations, and related technical and customer support teams are strategically located to support and collaborate closely with our customers where they are, when they need it.