SGL Carbon SE operates as a holding company, which engages in the manufacture of carbon and graphite products. It operates through the following business segments: Composites-Fibers & Materials and Graphite Materials & Systems. The Composites-Fibers & Materials segment covers all the material business based on carbon fiber, from raw materials to finished component. Its products are mainly used in the automotive, wind energy, and aerospace industries. The Graphite Materials & Systems segment provides customized graphite-based solutions and applications, wherein it manufactures, purifies, and, in some cases, refine by adding a special coating all according to the customer requirements. The company was founded in 1878 and is headquartered in Wiesbaden, Germany.