Mersen SA, formerly Le Carbone Lorraine SA, is a France-based company engaged in the production of carbon and graphite products and their application. The Company's activities are divided into two sectors: advanced materials and electrical power. The advanced materials sector includes graphite anticorrosion equipment, brushes and brush holders for industrial electric motors, and high-temperature applications of isostatic graphite. The electrical power sector includes solutions for energy management (namely power electronics; supplier of passive components for power electronics), electric protection and monitoring in industrial fuses manufacturing and current collection for the rail market. In July 2013, it sold its activities at the Gresy-sur-Aix site in the Savoie region of France. In December 2013, it sold activities specialized in stirrers and mixers and in metal plate heat exchangers.