- Durgapur Steel Plant (SAIL)
- Rourkela Steel Plant (SAIL).
- Sabah Forest Industries Sdn. Bhd., Malaysia
- Indo Rama Synthetics India Ltd.
- Jindal Steel & Power Ltd.
- Essar Steel Ltd.
- Ispat Industries Ltd.
- Monnet Ispat & Energy Ltd.
- Chattisgarh Electricity Co. Ltd.
- Nalwa Sponge Iron Ltd
- National Aluminium company Ltd.
- Hindalco Industries Limited.
- BILT – Sewa
- Century Pulp & Paper
- Lafarge India Ltd
- Ambuja Cement
- Manikgarh Cement
- Jaypee Rewa Cement
- Alstom Project (India) Ltd.
- Bhushan Power & Steel Ltd.
- Kesoram Rayon
- Mcon & Services
- Viraj Steel & Energy Ltd.
- Shree Digvijay Cement Co.Ltd.
- S.A.L.Steel Ltd.
- Lallacherra Tea Co Ltd
- The Gopalpur Tea Co Ltd
- C.T. Boiler ( P ) Ltd
- B.D.J.Glass Industries ( P ) Ltd
- Indian Papar Machinery & Engg. Ltd
- GRD Paper Industries Pvt Ltd
- Adityabirla Chemical
- Nava Bharat Ventures Ltd.
- Tata Bluescope Steel Ltd.
- Arya Iron & Steel Company Pvt. Ltd.
- IISCO Steel Plant (SAIL)
- Bokaro Steel Plant (SAIL)
- Siemens Ltd
- TATA Iron & Steel Co. Ltd.
- Bhushan Power & Steel Ltd.
- Visa Steel Ltd.
- Lloyds Steel Industries Ltd.
- Ispat Damodar
- Haldia Steels Ltd.
- Orissa Sponge Iron Ltd
- Bharat Aluminium Company Ltd.
- BILT- Ballarshah
- J.K.Paper Ltd.
- Supreme Paper Mills Ltd
- Lafarge India Ltd
- Ultratech Cement
- Durgapur Cement works Ltd
- Maihar Cement
- Hindustan Lever Ltd.
- Dabur Nepal Ltd.
- IFFCO
- TATA Sponge Iron Ltd.
- Gujarat Narmada Valley Fertilizers Co.Ltd.
- Sarda Energy & Minerals Ltd.
- Nirma Ltd.
- Dholai Tea Co Ltd
- The Huplongcherra Tea Co Ltd
- Manas Flour Mills Ltd
- Hindusthan Udyog Ltd
- Soil & Enviro Industries Pvt. Ltd.
- Indian Metal and Ferro Alloy Ltd.
- Gujrat Heavy Chemical Ltd
- Rashtriya Chemicals & Fertilizers Ltd.(RCF)
- Welspun Steel Ltd.
- Varsana Ispat Ltd.
- Clyde Bergemann India Pvt. Ltd.
- GHCL Ltd.
- Bhilai Steel Plant (SAIL)
- Rashtriya Ispat Nigam Ltd. (RINL)
- TATA Power
- Ankit Metal & Power Ltd.
- Bhushan Steel Ltd.
- Jindal Stainless Ltd.
- Jayaswals Neco Ltd.
- Shree Nakoda Ispat Ltd.
- Aarti Steel Ltd.
- Bihar Sponge Iron Ltd
- Vedanta Aluminium Company
- BILT – A.P.Rayons
- Khanna Paper Mill
- Tata Ryerson Ltd
- Century Cement.
- Associated Cement Company Ltd.
- OCL India Ltd. ( Cement Dvn.)
- Prism Cement
- Usha Martin Industries Ltd
- Graphite India Ltd
- Nalwa Steel & Power Ltd.
- Tinplate Company of India Ltd.
- Tirumala Balaji Alloys (P) Ltd.
- Rathi Steel & Power Ltd.
- Esab India Ltd.
- Arya Tea Company Ltd
- Steels Worth Ltd
- Mahashkti Engineering Works
- Bhaskar Shrachi Alloys Ltd
- Air Control Engineering Pvt. Ltd.
- BMM ISPAT
- DCW Ltd
- Rajasthan State Mines & Minerals Limited
- Lhaki Cement
- Vaswani Industries Ltd.
- Chattishgarh Steel & Power Ltd.
- Adhunik Metaliks Ltd.























































































