1. Amko Mining & Drilling Eqpts. Pvt. Ltd
2. Boart Longyear
3. Cortech Drilling Equipment Co.Ltd.
4. Epiroc AB
5. HUD Mining Supplies
6. Newland Precision Engineering
7. Perenti Global Limited
8. Sandvik AB
9. Sinocoredrill Group Co. Ltd.
10. Wuxi Geological Drilling Equipment Co. Ltd.
11. Zinex Mining Corp.