Cabot Microelectronics | 10,512 followers on LinkedIn. Delivering Quality Solutions through Bold Innovation CMC Materials (NASDAQ: CCMP) is a global supplier of critical materials to semiconductor manufacturers and pipeline operators. Driven by our employees around the globe, 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. CMC Materials operates from 35 locations around the world with approximately 2,200 employees.