Founded 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.
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
NAC Carbon Products, IncWith nearly 60 years of experience in Punxsutawney, NAC Carbon Products manufactures graphite and carbon products, including rods, blocks and granular grades. Its more than 100,000-square-foot facility is equipped for extrusion, baking and graphitization, and the company also handles toll processing of customer-supplied raw material. NAC keeps a substantial inventory of standard rods and blocks while producing custom formulations and cut sizes for specific requirements.ROBESONIA, PA
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
Shamokin CarbonsShamokin Carbons is a fourth-generation, family-owned carbon and graphite manufacturer that began hauling anthracite coal in Pennsylvania in 1924 and now supplies processed carbon materials internationally. Headquartered in Coal Township, the company’s U.S. and Mexican facilities can process more than 250,000 tons annually, with a long history of developing specialty materials such as its Carb-O-Cite glass additive and graphite pellets. Shamokin Carbons has held ISO 9001:2015 certification since 2016.COAL TOWNSHIP, PA