ALSTOM POWER INDIA LIMITED ARASMETA CAPTIVE POWER CO. PVT. LTD. BEC PROJECTS LIMITED BEEKAY ENGG. CORPORATION. BGK ENGINEERING AND PROJECTS PVT LTD BHARAT ALUMINIUM CO. LTD. BHARAT HEAVY ELECTRICALS LTD. BHILAI ENGG. CORPORATION LTD. BHUSHAN STEEL LIMITED BIRLA TYRES. BOC INDIA LIMITED BRIDGE & ROOF CO. (I) LIMITED CHENNAI PETROCHEMICALS CORPORATION LTD. DONGFANG ELECTRIC CORPORATION. EMAMI PAPER MILLS LIMITED. ENERTECH SYSTEMS & SOLUTIONS PVT. LTD. EPC CONSTRUCTIONS (INDIA) LTD. GANNON DUNKERLEY & CO. LIMITED. GULF OIL CORPORATION LTD. HEAVY WATER PLANT TALCHER. HINDALCO INDUSTRIES LIMITED. HINDUSTAN CONSTRUCTION CO. LTD. HINDUSTAN DORR-OLIVER LIMITED. HIRAKUD INDUSTRIAL WORKS LTD IB THERMAL POWER STATION. IMECO LIMITED.
INDFAB PROJECTS LIMITED LARSEN & TOUBRO LIMITED (MMH). LARSEN & TOUBRO LIMITED. Power I/C L&T HYDROCARBON ENGINEERING LTD. Mc. NALLY BHARAT ENGG. CO. LTD. MUKAND ENGINEERS LIMITED. NATIONAL ALUMINIUM CO. LTD. NEELACHAL ISPAT NIGAM LTD. NEEPAZ METALIKS LIMITED. NTPC-SAIL POWER COMPANY LIMITED. OCL IRON AND STEEL LIMITED OIL INDIA LTD. ORISSA CEMENT LIMITED. ORISSA SPONGE IRON LIMITED. P&R ENGINEERING SERVICES. PCP INTERNATIONAL LIMITED. POWERMECH PROJECTS LIMITED. ROURKELA STEEL PLANT SIMPLEX PROJECTS LTD. SIMPLEX INFRASTRUCTURES LIMITED. THERMAX ENGINEERING CONSTRUCTION CO. LTD. TATA CONST. & PROJECTS LTD. TATA SPONGE IRON LIMITED. TENOVA HYPERTHERM PVT. LTD. THYSENKRUPP INDUSTRIES LTD. USHA MARTIN LIMITED..