 | 7 Microns, Kutch, Gujarat |
 | Sandhya Minechem Industries, Kutch, Gujarat |
 | Bhilai Engineering Corporation Ltd, Bhilai, CG |
 | Cecon Consultants Pvt. Ltd., Bhilai, CG |
 | Evo Tech Pvt. Ltd., Bhilai, CG |
 | Geomin Industries Pvt. Ltd., Jabalpur, MP |
 | Neco Mining Company Pvt. Ltd., Raipur, CG |
 | Vishnu Chemicals Ltd., Bhilai, CG |
 | Vishva Vishal Refractory Ltd., Bhilai, CG |
 | Reliance Industries Limited |
 | Jain Mines & Minerals (India) Private Limited |
| | N. S. Rathor consultants |
| | Cosmo Powertech Pvt. Ltd., Raipur, CG |
| | Singhvi Mintech Pvt. Ltd., Raipur, CG |
| | Vindhya Metals Ltd, Singrauli, MP |
