| Client | Country |
| Arco | Alaska |
| Woodside Offshore Petroleum | Australia |
| Copesul | Brazil |
| Perstorp Regeno | Brazil |
| Laker | Canada |
| NOC | Canada |
| Suncor | Canada |
| Gmbh Reffinerie | Germany |
| BP | Great Britain |
| Bachtel | Great Britain |
| Bhabha Atomic Research Centre (BARC) | India |
| Bharat Petroleum Corporation | India |
| Bharat Heavy Electricals Ltd. | India |
| Bharat Plate and Vessels Ltd. | India |
| Bharat Earth Movers Ltd. | India |
| Central water and Power Research Station (CWPRS) | India |
| Centre for Wind Energy Technology (C-MET) | India |
| Chennai Prtoleum Corporation | India |
| Cochin (Kochi) Refineries Ltd. | India |
| Cochin Shipyard | India |
| Department of Atomic Energy (DAE) | India |
| Defence Research and Development Organisation (DRDO) | India |
| Engineering Projects (India)Ltd. | India |
| Engineers India Ltd. | India |
| Garden Reach Ship Builders & Engineers Ltd. | India |
| Gas Authority of India limited (GAIL) | India |
| Goa Shipyard Limited | India |
| Hindustan Aeronautics Limited (HAL) | India |
| Hindustan Copper Ltd. | India |
| Hindustan Organic Chemicals | India |
| Hindustan Petroleum Corporation | India |
| Hindustan Shipyard Limited | India |
| Hindustan Zinc Limited | India |
| Indian Space Research Organisation (ISRO) | India |
| Indian Oil Corporation (IOC) | India |
| Indian Ordnance Factories Board | India |
| Indian Rare Earths Limited (IRE) | India |
| Madras Fertilizers Ltd. | India |
| Mazagon Docks Limited | India |
| Goa Shipyard Limited | India |
| National Fertilizers Limited | India |
| National Tharmal Power Corporation (NTPC) | India |
| Nuclear Power Corporation (NPCIL) | India |
| Oil and Natural Gas Corporation (ONGC) | India |
| ONGC Videsh Ltd. | India |
| Oil India Limited | India |
| Ordanace Factory Board | India |
| Pawan Hans Helicopters Ltd. (PHHL) | India |
| Powergrid Corporation Of India | India |
| Rashtriya Chemicals & Fertilizers Limited | India |
| Steel Authority of India Ltd. (SAIL) | India |
| Vizag Steel Plant | India |
| Mobil Oil | Indonesia |
| Sinopec | Iran |
| JGC | Japan |
| KHIC | Korea |
| Esso | Malaysia |
| Shell | Malaysia |
| ABB | Norway |
| PDO | Oman |
| OOISS | Russia |
| Aramco | Saudi Arabia |
| Cunado S.A | Spain |
| Formosa Plastics Crop | Taiwan |
| Technip | Thailand |
| NPCC | U.A.E |
| Citgo | U.A.E |
| Texaco | U.S.A |
| Ultramar Inc | U.S.A |
| Petrolera S.A | Venezuela |