U.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.
TerrionFrom its Frederick, Maryland plant, Terrion converts American coal into synthetic graphite, building a domestic supply chain for a material the United States currently imports. Its Carbonyx process uses coal culm without new mining and produces spec-grade graphite for demanding energy, defense, nuclear, and industrial applications. Terrion’s first facility is a 26,000-square-foot operation with stated capacity of 1,500 tons per year, with larger-scale production planned.WALKERSVILLE, MD
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
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
CarbionCarbion makes battery-grade graphite from biomass, using abundant waste feedstocks to support domestic manufacturing of a material central to energy infrastructure. The company focuses on strengthening supply-chain independence while offering a more affordable and stable graphite source for customers.