Ferroglobe PLC is a holding company, which engages in the production of silicon and specialty metals. The firm has quartz mining activities in Spain, the United States, Canada, and South Africa, low-ash metallurgical quality 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. The firm produces various different silicon-based alloys, including calcium silicon and foundry products, which comprise inoculants and nodularizers. Its solutions include silicon metal, manganese alloys, ferrosilicon, foundry products, calcium silicon, silica fumes, electrodes, pulverized products, silicon for advanced technologies, and others.