Ferroglobe PLC is a holding company, which engages in the production of silicon and specialty metals. The firm operates through four segments: United States of America, Canada, France, and Spain. The company is involved in quartz mining activities in Spain, the United States, Canada; and South Africa, low-ash metallurgical coal mining activities in the United States, and interests in hydroelectric power in France. The company sells its products to a diverse base of customers in a varied range of industries, such as aluminum, silicone compounds used in the chemical industry, ductile iron, automotive parts, renewable energy, photovoltaic (solar) cells, electronic semiconductors, and steel. Its solutions include silicon metal, manganese alloys, ferrosilicon, foundry products, calcium silicon, silica fume, electrodes, pulverized products, silicon for advanced technologies, and other. The firm's subsidiaries include Ferroglobe Finance Company PLC, and Ferroglobe Holding Company Ltd.