- African Rainbow Minerals / Anglo Platinum (Head Office, Cato Ridge and Machadodorp Works, Dwarsrivier Mine, Black Rock, Beeshoek, Modikwa Platinum Mine, Two Rivers Platinum Mine, Nkomati Joint Venture) Kumani
- Anglo Rustenburg Platinum Mines (Rustenburg, Waterval, Amandelbult, Union Mine)
- Annesley Andalusite Mine
- AngloGold Ashanti
- Aquarius Platinum Mine South Africa (AQPSA - part of Sibanye StillWater)
- BECSA (Middelburg Mine Services, Khutala Colliery, Rietspruit Colliery, Optimum Colliery (now Glencor), Klipspruit Collliery)
- BECSA – MCO Operations (TNC, Union Colliery, Roy Point, Witbank Mine, Ermelo Mine, Rietspruit Mine, Minnaar Mine, Bloemendal Colliery, Gardinia Colliery, Estancia Colliery, Haasfontein Colliery, Kleinfontein, Speekfontein)
- De Beers Group (Geological Division and Voorspoed Mine)
- Ekapa
- Gold One Cooke Operations (previously Rand Uranium)
- Harmony (Doornkop Operations, Kalgold, Kusasalethu, Phakisa, One Plant, Target Plant, Target Shaft, Masimong)
- KP Lime
- Khumba Resources – Thabazimbi Iron Ore Mine
- Lafarge Lichtenburg
- Nkomati Joint Venture
- Petra Diamonds (Cullinan Diamond Mine, Kimberley Underground Mine JV, Koffiefontein Empowerment JV and Finsch Diamond Mine)
- PPC (Aggregate Quarries & Laezonia, De Hoek, Dwaalboom, Group Laboratory Services, Jupiter, Montague Gardens, PE, Riebeeck Wes, Slurry and Saldanha)
- Sedibelo Platinum Mining (previously Pilanesberg Platinum Mine)
- Sibanye Stillwater (RPM, Marikana, Kroondal, PSA and Blueridge Operations)
- LaFarge Industries South Africa (Pty) Ltd (Lichtenburg Operations)
- Kudumane Manganese Resources (KMR)
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