DRDGold 

DRDGold Ltd is a South African gold mining company engaged in surface gold tailings retreatment including exploration, extraction, processing, and smelting. Its reportable operating segments are; Ergo, FWGR, and Corporate office and other reconciling items. The Ergo is a surface gold retreatment operation that treats old slime dams and sand dumps to the south of Johannesburg's central business district as well as the East and Central Rand goldfields, and the FWGR which is a surface gold retreatment operation and treats old slime dams in the West Rand goldfields. The Ergo segment derives a vast majority of the company's revenue.