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 and FWGR. 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 FWGR is a surface gold retreatment operation that treats old slime dams in the West Rand goldfields. The Ergo segment derives the vast majority of the company's revenue.