Founded in 1954 as a basement pattern shop, family-owned Weaver Industries now machines custom graphite and molds urethane parts in a 60,000-plus-square-foot Pennsylvania plant. Its graphite work spans everything from ounce-sized components to 10-ton steel-industry equipment, with three generations of graphite-specific experience behind its 4th- and 5th-axis CNC capabilities. Weaver also repairs and recycles graphite electrodes, extending the life of a material central to steelmaking.
ISO 9001:2015
certification
CMMC and NIST 800-171 framework
compliance_program
Graphite Sales, IncFounded in 1971 by remachining broken steel-mill electrodes, employee-owned Graphite Sales, Inc. now manufactures and processes carbon and graphite products from its 12-acre Nova, Ohio plant. Its CNC machining, material processing, electrode remachining and recycling operations support customers across industries, with sales offices serving locations around the country. The company also purchases used graphite and carbon materials for reprocessing into usable components and granular products.NOVA, OH
Ameri-Source Specialty ProductsSince 1995, Pittsburgh-area Ameri-Source Specialty Products has manufactured engineered graphite and specialty metal products, with graphite electrodes and CNC-machined graphite at the center of its work. Its expanded operation includes a 15,000-square-foot graphite machine shop and a 20,000-square-foot temperature-controlled metal machining shop, supported by international manufacturing partnerships and North American warehouses. Ameri-Source serves steelmakers and metal recyclers as well as customers across industrial markets, and its graphite electrode manufacturing processes are ISO 9001:2015 quality-certified.BETHEL PARK, PA
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
Ei6Evolving from a Birmingham foundry-supply company founded in 1958, family-owned Ei6 now engineers and manufactures carbon and graphite materials and precision components for demanding industrial applications. The three-generation business combines global distribution with machining and powder operations, including custom graphite parts made to drawing and high-temperature materials. Ei6’s machining operation is certified to ISO 9001:2015 and AS9100:2016.PARMA, OH