- IGCAR, Kalpakkam
- MSF, Ishapore
- NFC, Hyderabad
- CMPDIL, Ranchi
- Nuclear Fuel Complex, Hyderabad
- Patelnagar Refractories Pvt Ltd
- Sri Balajee Enterprises
- Adani Synenergy Ltd., Ahmedabad
- ESAB, Kolkata
- NIT Silchar, Assam
- LPSC, ISRO, Trivandrum
- Aditya Birla (Essel mining group)
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- Vikram Sarabhai Space Centre, ISRO, Thiruvanthapuram
- Bihar state building construction corp. Ltd
- Usha Martin Limited
- Ranchi Refractories India Pvt Ltd, Ranchi
- Jharkhand Urja Sancharan Nigam Ltd., Ranchi
- Stevin Rock LLC, New Delhi
- Aluminium Extractor, UK
- BSBBCL, Patna
- Tata Steel
- HEC, Ranchi
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