Harmony Gold Mining Co. Ltd. engages in mining and exploration of gold. The company is headquartered in Randfontein, Gauteng and currently employs 34,715 full-time employees. The company went IPO on 2002-11-27. The firm is engaged in gold mining and related activities, including exploration, extraction, and processing. The firm's segments include South Africa Underground, Surface, and International. In South Africa, its underground operations are located within the Witwatersrand Basin, which includes approximately one in the Klerksdorp goldfield, three in the West Rand, and five in the Free State, in the southern portion of the Witwatersrand Basin. The company also has an open pit mine, Kalgold, on the Kraaipan Greenstone Belt as well as several surface treatment operations. In Papua New Guinea, the Company operates the Hidden Valley mine and Wafi-Golpu project. In Australia, the Company owns the Eva Copper Mine Project. The Eva Copper Mine Project is an iron-oxide copper-gold resource located in Northwest Queensland, Australia.