Billerica, Massachusetts-based Entegris is a leading specialty electronic materials provider for the global microelectronics and other high-tech industries. Its broad array of products and services to chipmakers and mobile device manufacturers covers initial delivery of key raw materials, specialty gases, cleaners, and molecules integral to the microfabrication process, through to post-production packaging, testing and shipping. The company generated 2017 revenue and adjusted operating income of $1.3 billion and $242 million, respectively.