Boliden AB operates six mining areas and five smelters in Sweden, Norway, Finland, and Ireland. The company processes zinc, copper, gold, silver and other metals and is engaged in exploration, mining, smelting, and metals recycling. The company has two operating segments: business area smelters and business area mines. The business area mines division comprises six mining areas: Aitik, the Boliden Area, and Garpenberg in Sweden; Kylylahti and Kevitsa in Finland; and the Tara mine in Ireland. It includes both underground mines and open-pit mines. The company generates maximum revenue from Business area Smelters segment.