- Shree Ramkrishna Exports, Surat
- Bhavani Gems, Mumbai
- D. Navinchandra & Co., Mumbai
- Shashvat Gems, Surat
- Karp Impex, Surat
- Tapti Exports, Surat
- Sahajanand Laser Technology, A’bad
- C. Krishnachetty & Sons, Banglore
- Sahajanand Technology, Surat
- Sanghavi Diamond Mfg. Pvt. Ltd., Surat
- Star Rays, Surat/Mumbai
- Sheetal Mfg. Co.,Surat
- NIFT, Gandhinagar
- Bhargovi Gems, Surat
- Kiran Exports, Surat
- Shrenuj & Co., Mumbai
- K. G. Group of Companies
- Laxmi Diamonds
- J.B.Diamonds
- Sheru Gems
- And many more …………..
Till date institute has trained more than 2000 managers/supervisors already engaged in diamond manufacturing units
