HINDUSTAN PETROLEUM CORPORATION LTD (HPCL), Mumbai Refinery
HINDUSTAN PETROLEUM CORPORATION LTD (HPCL), Visakha Refinery
BHARAT PETROLEUM CORPORATION (BPCL), Mumbai Refinery 4.
OIL AND NATURAL GAS CORPORATION(ONGC)
INDIAN OIL CORPORATION LIMITED (IOCL)
STEEL AUTHORITY OF INDIA LTD(SAIL), BOKARO
MAHAGENCO, PARAS POWER PLANT, PARAS, MAHARASHTRA
ENGINEERS INDIA LTD. (EIL)
BHARAT PUMPS COMPRESSORS, ALLAHABAD
HPCL & MITTAL ENERGY LTD.(HMEL) BATHINDA REFINERY
ESSAR OIL REFINERY (ESSAR ENGINERING SERVICES)
FURNACE IMPROVEMENTS, USA
DELTAK, USA
CUB ENGG, CANADA
ALGHANIM, KUWAIT
GALFAR, MUSCAT
STAR CONTRACTIONG, SUDAN
UNIMARINE TECHNICAL SERVICES, ABU DHABI, UAE
ENGINEERING MANAGEMENT COMPANY LDA, ANGOLA
TRANS ASIA PIPELINE SERVICES, UAE
RAPID RESPONSE PROJECT LIMITED, CANADA/UAE / GASCO, UAE
AIROIL FLAREGAS
TECHNIP KTI
NCC LIMITED
TOYO ENGINEERING
SAVAIR ENERGY
WATER SYSTEMS INDIA
SIEMENS POWER ENGINEERING LTD(SPEL)
JACOBS ENGINEERING
PDOC/NILE PETROLEUM SERVICE CO.LTD/ROS GLOBAL, SOUTH SUDAN
PDOC/ORACLE ENERGY LTD/ROS GLOBAL, SOUTH SUDAN
BARBERA OIL TERMINAL, SOMALILAND
TOTALGAZ, INDI
JONDI SHAPOUR COMPANY