Selected Clients List
The following are selected clients that have used TWI around the world. TWI has 3,500 members of which this list is a small selection.
| Total/Elf/Fina | UK |
| Total/Elf/Fina | Belgium |
| Adma Opco | Abu Dhabi |
| Qatargas | Qatar |
| Alstom Power | USA |
| British Gas/Agip (Europe) | Kazakhstan |
| National Oil Co | Libya |
| Bechtel (USA/UK) | Middle East |
| Kellogg (USA) | Nigeria |
| Ras Laffan Gas | Qatar |
| PDVSA | Venezuela |
| Rolls Royce Marine | UK |
| Kuwait National Petroleum Co. | Kuwait |
| Health & Safety Executive | UK |
| Shell | UK |
| BP Amoco | UK |
| TLV Co Ltd | Japan |
| Nippon Mitsubishi Oil Co | Japan |
| Petrobras | Brazil |
| Germanischer Lloyd | Germany |
| Western Desert Petroleum Co. | Egypt |
| Babcock Hitachi | Japan |
| ABS Consulting | Singapore |
| Petrochemical Industries Corp | Kuwait |
| Donegani Institute | Italy |
| Daicel Chemicals | Japan |
| Mitsui Chemicals | Japan |
| China Special Equipment Inspection & Research Centre | China |
| BAPCo | Bahrain |
| Chevron Texaco | Angola |
| Tosoh Chemicals | Japan |
| Fertinitro | Venezuela |
| Crompton Corporation | USA |
| Pan American Energy | Argentina |
| Corus | UK |
| Chaco | Bolivia |
| Vopak Terminal, Kerteh | Malaysia |
| Industrial Technology Research Inst | Taiwan |
| Central Research Inst Electric Power Industry | Japan |
| Huntsman Petrochemical Corp | USA |
| Burlington Resources | USA |
| Siemens Power | Singapore |
| China Steel | Taiwan |
| Power Seraya | Singapore |
| National Iranian Oil Co – RIPI | Iran |
| ENAP Refinerias S.A. | Chile |
| Valero | USA |
| Anglo Operations Ltd | South Africa |
| Korean Gas Safety Corp | Korea |
| Berwanger | USA |
| Sinopac | China |
| KEPRI | Korea |
| Tenaga Nasional Bhd | Malaysia |
| TNB Pasir Gudang Power Station | Malaysia |
| Kapar Power Station | Malaysia |
| Petrovietnam | Vietnam |
| Gulf Farabi Petrochemical Co. | Saudi Arabia |
| Basell Polyolefins | USA |
| Dow Chemicals | USA |
| Repsol Quimica SA | Spain |
| Firestone Polymers | USA |
| Korea East-West Power Co | Korea |
| Aughinnish Alumina | Rep of Ireland |
| Malakoff Bhd | Malaysia |
| Tai Power Co | Taiwan |
| Murphy Oil | Thailand |
| Fayette Power Station | USA |
| Siemens SEA | USA |
| Danjing SC Power Station | Korea |
| Duke Energy | USA |
| Ultramar | Canada |
| Firestone Texas | USA |
| BP Trinidad | Trinidad |
| ENSR | Brazil |
| Transpetro | Brazil |
| ESB Power Generation | Ireland |
| DEKRA | Germany |
| Dairen Chemicals | Malaysia |
| PolyPlastic | Malaysia |
| Hume Chemicals | Malaysia |
| AKPC | Iran |
| Oil Terminal Co. | Iran |
| BASF | Malaysia |
