Known 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.
EntegrisEntegris 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.AMBLER, PA
M2Graphite TechnologiesU.S.-owned and based, M2Graphite Technologies began commercial production in 2021 as a domestic manufacturer of synthetic graphite for lithium-ion battery makers. Its Sanborn, New York, center combines production with research and development, and the company says its material is qualified for commercial electric-vehicle and Department of Defense aerospace applications. M2Graphite is also active in efforts to strengthen a North American battery-materials supply chain.SANBORN, NY
Sumitomo Chemical Advanced TechnologiesAs a wholly owned subsidiary of Sumitomo Chemical, Sumitomo Chemical Advanced Technologies has operated in Phoenix since the parent company acquired ATMI’s GaAs epiwafer assets in 2003. The company’s U.S. operation develops and manufactures materials for semiconductor and advanced-composite applications, with custom epitaxial wafers produced in a 50,000-square-foot facility that includes more than 6,000 square feet of clean-room space. Its management systems are certified to ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018.PHOENIX, AZ
Amsted Graphite MaterialsOperating in Clarksburg, West Virginia, since 1906, Amsted Graphite Materials manufactures synthetic carbon and graphite materials for demanding industrial applications. Its West Virginia facility supplies customers in more than 35 countries, while its GRAFSTAR® line and specialized material-science expertise support uses ranging from nuclear energy to aerospace and defense. The company is part of Amsted Industries and is the largest U.S.-owned synthetic graphite producer.CLARKSBURG, WV