| ABB |
| ACTION SPAT |
| ADEN STEEL COMPANY, YEMEN |
| ALBANNA ENGINEERING |
| ANGELIQUE INTERNATIONAL LIMITED |
| AVANTHA POWER |
| BHARAT HEAVY ELECTRICALS LIMITED |
| CAIRN INDIA LIMITED |
| CB & I India Private Limited (Mcdermott) |
| CCI |
| CPWD |
| DANGOTE REFINERY |
| DASTURCO |
| DCPL – ARCHITECTS |
| DLF |
| DRIPLEX WATER |
| DRS ROOFTECH |
| EARTH GRACIA |
| ENGINEERS INDIA LTD, NEW DELHI |
| ERA INFRA |
| ESSAR REFINERY |
| FERNAS |
| FLS MINERALS |
| GPMA – ARCHTECTS |
| GREAT EASTERN ENERGY CORPORATION |
| HCC |
| HINDUSTAN DORR OLIVER |
| HINDUSTAN NATIONAL GLASS |
| HYUNDAI ENGINEERING CO. LTD |
| IETS – INDIA |
| IOTL |
| ISCON |
| ION EXCHANGE |
| JINDAL WATER |
| JRT ENTERPRISES |
| KALPATARU |
| KARMA MILK INDUSTRIES |
| KHD |
| KTI |
| L & T |
| LODGE – COTTRELL |
| MACAWBER BEEKAY |
| MACNALLY BHARAT LTD |
| MELCO |
| METSO MINERALS |
| MET-TRADE INDIA |
| MITSHUBHISHI HEAVY INDUSTRIES |
| NDMC |
| NESCO |
| NHK SPRINGS |
| NTPC |
| NUBERG ENGINEERING LTD. |
| OM LOGISTICS |
| PAUL WURTH |
| PDIL, NODIA |
| PETROFAC ENGINEERING (UAE) LLC |
| PHILIPS INDIA |
| PRAKASH INDUSTRIES |
| PUNJ LLOYD LTD |
| SCORPIO ENGINEERING |
| SIEMENS INDIA LTD |
| SMS SEIMAG |
| SONAL VYAPAR, CHENNAI |
| SURYA ROSHNI LTD |
| TAPI-PUNE |
| TATA CONSULTING ENGINEERS LIMITED |
| TECHNIP |
| TECHNIP ENERGIES INDIA LIMITED |
| TRI-TECH |
| TRIUNE ENERGY SERVICES |
| UB ENGINEERING |
| UEM |
| UFLEX |
| UHDE INDIA |
| UTKAL ALUMINA |
| VA – TECH WABAG |
| VEDANTA |
| VEDANTA LTD |
| VIDEOCON |
| VULCAN INTERNATIONAL LTD |
