GrafTech International 

GrafTech International Ltd. research, develops, manufactures, and sells graphite and carbon-based solutions worldwide. The company offers graphite electrodes to produce electric arc furnace steel and other ferrous and non-ferrous metals; and petroleum needle coke, a crystalline form of carbon used in the production of graphite electrodes and synthetic graphite. It sells its products through direct sales force, independent sales representatives, and distributors. The company was founded in 1886 and is headquartered in Brooklyn Heights, Ohio.