Business: Ferroglobe PLC is one of the world’s largest producers of silicon metal and its alloys, and manganese alloys. The company uses state-of-the-art-technology in its production processes, supplying critical ingredients for many industrial and consumer products, from silicones to solar power cells, from steel to aluminium to foundry components. Ferroglobe operates its own quartz mines (Spain, South Africa and the USA) and blue gem coal mines (USA) to guarantee top quality raw materials.