1. Palabora Copper Mine
  2. Xstrata Coal SA
  3. Universal Coal
  4. Jones And Wagner
  5. Glencore
  6. RSV Enco
  7. Digby Wells
  8. Kimopax
  9. Exxaro/Total Coal South Africa
  10. Taggard/JHDA Engineering
  11. Core Groundwater Technical Services
  12. Ground Water Square
  13. Golder Assosiates
  14. Geosoilwater
  15. Forzando Coal Mine
  16. Dorstfontein Coal Mine
  17. Assmang-Dwarsrivier
  18. Rich Tank Mining