Entegris

Headquarters

Ambler, PA

Entegris manufactures advanced materials, contamination-control products, fluid-management systems, substrate-handling products, specialty gases, filtration and purification products, and related solutions for high-tech manufacturing. Its POCO Materials business manufactures synthetic carbon graphite and CVC silicon carbide, with precision machining, materials development, product and process design, and materials testing capabilities.

• Entegris, IncKnown through its POCO Materials business for U.S.-made synthetic graphite, Entegris is a global manufacturer serving advanced manufacturing customers. The company also develops materials and process solutions for semiconductor and other high-technology applications, with manufacturing sites certified to international quality, environmental and occupational-health standards.AMBLER, PA
• Graphite Machining, IncFounded in the Detroit area in 1973, Graphite Machining, Inc. manufactures and precision-machines graphite, carbon, and graphite-composite parts, taking projects from raw material through finished components. Its facilities in Michigan and Pennsylvania include more than 125,000 square feet of manufacturing space and over 150 pieces of automated machining equipment, supporting parts ranging from small heating elements to exceptionally large fabricated assemblies. Through its sister company, Advanced Carbon Technologies, GMI also provides in-house high-temperature purification with purity levels below 5 ppm total ash.TOPTON, PA
• Advanced Carbon Technologies, IncFounded in 1992 as a captive purification facility for a local graphite machine shop, Advanced Carbon Technologies now provides high-temperature purification and produces pyrolytic graphite for demanding industrial applications. Its Topton, Pennsylvania operation has more than 25,000 square feet of manufacturing space and 11 vacuum induction furnaces, supporting projects from exploratory testing through production with rapid turnaround. ACT is part of the GMI Family of Companies, which also provides related graphite machining capabilities.ROBESONIA, PA
• Momentive TechnologiesWith roots reaching back to 1891, Momentive Technologies develops high-purity fused quartz, crucibles and advanced ceramic materials for demanding semiconductor and aerospace applications. The company operates 10 facilities across Asia, Europe and North America, selling in 30 countries and supporting more than 900 employees worldwide. Its quartz crucibles are built for silicon ingot production, while its custom thermal pyrolytic graphite solutions have served aerospace and military systems for decades.STRONGSVILLE, OH