Metallized Carbon Corporation has been advancing carbon graphite engineering from New York since 1945, building its reputation around materials for severe operating conditions. The company develops self-lubricating components for critical systems serving industries such as aerospace and energy, with global manufacturing and support across five locations. Its specialized grades for medical and pharmaceutical applications meet USP Class VI standards.
USP Class VI
certification
FAA-compliant PMA / DER certification pathways
compliance_program
SGL CarbonSGL Carbon develops and manufactures carbon-based materials and engineered solutions, with particular depth in specialty graphite, carbon fibers and composite materials. The company combines material production with precision processing, engineering and services, including a fully integrated specialty-graphite value chain and process technology for corrosive applications. Based at 28 locations across Europe, North America and Asia, SGL Carbon employs around 3,800 people and reported 2025 revenue of €850 million.ST. MARYS, PA
Graphel Carbon ProductsFounded in Cincinnati in 1965, Graphel Carbon Products makes precision graphite components and EDM electrodes while supplying the materials and tooling behind those applications. Its engineering and machining teams support demanding work in aerospace, power generation, medical and tool-and-die manufacturing from three production facilities in Ohio, Minnesota and South Carolina. Graphel is also one of the world’s largest Entegris Poco EDM Graphite distributors, and its Ohio and South Carolina facilities are ISO 9001 and AS9100 certified, with Nadcap and ITAR compliance.WEST CHESTER, OH
Graphite Metallizing CorporationGraphite Metallizing Corporation is a Yonkers manufacturer with more than a century of industrial use behind its name, including over 70 years serving pump applications. The company develops GRAPHALLOY®, a proprietary graphite-metal alloy, into custom bearing solutions for equipment operating in severe conditions where conventional lubrication can fail.YONKERS, NY
Semco CarbonSince 1971, Semco Carbon has specialized in custom machining carbon and graphite components, working exclusively with these materials from its Lorain, Ohio facility. Its 45,000-square-foot operation handles everything from prototype and repair work to parts made from raw blocks exceeding two tons, while maintaining nearly 400 tons of graphite inventory for quick production and direct material sales. Semco also purchases obsolete carbon and graphite for reclamation or appropriate disposal.LORAIN, OH