• INDUS TOWERS LIMITED
• ATC INDIA TOWER CORPORATION LIMITED
• BHARTI INFRATEL LIMITED

• BHARAT SANCHAR NIGAM LIMITED
• VODAFONE ESSAR SOUTH LIMITED
• TOWERVISION INDIA PVT LIMITED

GOVERNMENT UTILITY

• ORISHA POWER TRANSMISSION CORPORATION LIMITED
• HARYANA VIDYUT PRASARAN NIGAM LIMITED
• JHARKHAND URJA SANCHARAN NIGAM LIMITED
• POWER GRID CORPORATION OF INDIA
• TRIPURA STATE ELECTRICITY CORPORATION LIMITED
• WEST BENGAL STATE ELECTRICITY TRANSMISSION COMPANY LIMITED
• BIHAR STATE POWER TRANSMISSION COMPANY LIMITED
• GUJARAT ENERGY TRANSMISSION CORPORATION LIMITED
• DAMODAR VALLEY CORPORATION
• INDIAN RARE EARTHS LIMITED
• TATA PROJECTS LIMITED
• NUCLEAR POWER CORPORATION OF INDIA LIMITED

EPC CONTRACTOR

• SIDDHARTHA ENGINEERING LIMITED
• FLOWMORE LIMITED
• VENUS CONTROLS & SWITCHGEAR PRIVATE LIMITED
• VELCRO ELECTRICAL MANUFACTURERS PRIVATE LIMITED
• STELMEC LIMITED
• STERLING & WILSON PRIVATE LIMITED
• BHUSHAN POWER AND STEEL LIMITED
• JABALPUR TRANSMISSION COMPANY LIMITED
• ASHISH INFRATECH PRIVATE LIMITED
• GUPTA POWER INFRASTRUCTURE LIMITED
• HULAS CONSTRUCTION & ENGINEERING PRIVATE LIMITED
• SIMPLEX INFRASTRUCTURES LIMITED
• ZHONDING INTERNATIONAL ENGINEERING CO LIMITED
• ZHEJIANG JINLUN ELECTROMECHANIC CO LIMITED
• PUNJ LLYOD GROUP

• MAHANADI COAL FIELDS LIMITED
• ALKEM LABORATORIES LIMITED
• KALPATARU POWER TRANSMISSION LIMITED
• JMC PROJECT (INDIA) LIMITED
• CESC LIMITED
• BIRBHUM ZILLA PARISHAD

• WEST BENGAL STATE RURAL DEVELOPMENT AGENCY
• PUBLIC WORKS DEPARTMENT
• KARAM CHAND THAPAR & BROS. (COAL SALES) LIMITED
• GARDEN REACH SHIPBUILDERS & ENGINEERS LIMITED.
• PAHARPUR COOLING TOWERS LIMITED
• INDIAN CHAIN PRIVATE LIMITED
• PATEL ENGINEERING LIMITED

GOVERNMENT UTILITY

• CENTRAL ORGANISATION FOR RAILWAY ELECTRIFICATION

EPC CONTRACTOR

• ZAPDOR - UBC - KE (JV)
• LARSEN & TURBO LIMITED