|
| Comalco Research | Australia |
| University of Leoben | Austria |
| Du Pont de Nemours | Belgium |
| University of Ghent | Belgium |
| Vanderstaeten E bvba | Belgium |
| Esso Petroleum | Canada |
| National Research Council | Canada |
| University of Saskatchewan | Canada |
| University of Western Ontario | Canada |
| Technical Research Centre | Finland |
| Aluminium Pechiney | France |
| Arcelor | France |
| Centre Technique des Industries de la Fonderie | France |
| CETIM | France |
| Electricite de France (EDF) | France |
| ELF | France |
| ENSAM, Lille | France |
| Esso Research | France |
| FUCHS | France |
| Institute of Petroleum | France |
| IRSID | France |
| Perfect Circle Europe | France |
| Peugeot S.A | France |
| PSA | France |
| Renault | France |
| Total Centre de Recherche | France |
| UFR Mecanique Microtechnique, Besançon | France |
| UTC Compiegne | France |
| Akzo Research | Germany |
| BP Castrol GmbH | Germany |
| Burmah Oil Deutschland | Germany |
| DLR | Germany |
| Federal Mogul | Germany |
| Federal Mogul AE Goetze GmbH, Burscheid | Germany |
| Corus | Holland |
| Quaker Chemical | Holland |
| Balmer Lawrie | India |
| Indian Institute of Petroleum, Dehradun | India |
| Indian Oil Corporation | India |
| Kala Naft University | Iran |
| Cosmo Oil | Japan |
| Honda R&D | Japan |
| Idemitsu | Japan |
| Idemitsu | Japan |
| Kawamura Research Laboratories Inc | Japan |
| Komatsu | Japan |
| Mitsubishi Oil Co | Japan |
| Nippon Mitsubishi | Japan |
| Sanyo Trading for Mitsui Chemical | Japan |
| Shell Research | Japan |
| Showa Shell Sekiyu | Japan |
| Showa Shell Sekiyu | Japan |
| Tonen | Japan |
| Toyota | Japan |
| Toyota | Japan |
| Daewoo Heavy Industries Ltd | Korea |
| Hangyang University | Korea |
| Hanmi for Doosan Infracore | Korea |
| Hyundai Motor Company | Korea |
| Hyundai Motors | Korea |
| IAE | Korea |
| KATECH | Korea |
| KIPEQ | Korea |
| Korean Institute of Science and Technology | Korea |
| Pohang Iron & Steel Co Ltd (POSCO) | Korea |
| Quaker Chemical/BIT | Korea |
| Seoul Polytechnic University | Korea |
| Sun Moon University | Korea |
| Taegu Machinery Institute | Korea |
| Akzo Research and Engineering | Netherlands |
| Akzo Research and Engineering | Netherlands |
| Kuwait Petroleum | Netherlands |
| Quaker Chemical | Netherlands |
| Shell Laboratory | Netherlands |
| I.N.E.T.I. | Portugal |
| Qatar University | Qatar |
| Centre of Tribology & Technical Diagnostics (Univerza V Ljubljani) | Slovenia |
| Institute of Technology, Aragon | Spain |
| INTA | Spain |
| ITMA | Spain |
| Technical Research Centre | Spain |
| Lulea University of Technology | Sweden |
| Nynas Petroleum | Sweden |
| Saab | Sweden |
| Lonza Graphite | Switzerland |
| Chinese Petroleum Corporation | Taiwan |
| ITRI MIRL | Taiwan |
| National University | Taiwan |
| NTIT | Taiwan |
| Albermarle UK Ltd | UK |
| Anglia Polytechnic University | UK |
| Armourcote | UK |
| BP Castrol UK | UK |
| British Petroleum | UK |
| British Petroleum | UK |
| British Petroleum | UK |
| British Petroleum | UK |
| British Petroleum | UK |
| Burmah Castrol | UK |
| Burmah Castrol | UK |
| Croda Application Chemicals Ltd. | UK |
| De Montfort University | UK |
| Federal Mogul | UK |
| Federal Mogul | UK |
| Federal Mogul Corporation | UK |
| Federal Mogul Corporation | UK |
| G.K.N. Sheepbridgestokes | UK |
| Innospec Ltd | UK |
| Leeds University | UK |
| Liverpool John Moores University | UK |
| Lubricants UK (Castrol) | UK |
| Lubrizol | UK |
| Lubrizol Great Britain Ltd | UK |
| Lubrizol Great Britain Ltd | UK |
| Lubrizol Great Britain Ltd | UK |
| Lucas Advanced Engineering Centre | UK |
| Morgan Materials Technology | UK |
| National Centre of Tribology | UK |
| National Physical Laboratory | UK |
| Rocol Ltd. | UK |
| Royal Aircraft Establishment, DQA/TS | UK |
| Royal Aircraft Establishment, DQA/TS | UK |
| Shell Research | UK |
| Shell Research | UK |
| Shell Research | UK |
| Shell Research | UK |
| Shell Research | UK |
| Shell Research | UK |
| Southampton University | UK |
| Akzo Chemicals | USA |
| Caterpillar Inc | USA |
| Caterpillar Inc | USA |
| Caterpillar Inc | USA |
| Combustion Technology | USA |
| Cummins Engine Company | USA |
| Cummins Engine Company | USA |
| Dow Corning | USA |
| Equilon Enterprises LLC | USA |
| Ethyl Petroleum Additives | USA |
| Ethyl Petroleum Additives | USA |
| Exxon Chemicals | USA |
| Exxon Research and Engineering | USA |
| Exxon Research and Engineering | USA |
| Federal Mogul Sintered Products | USA |
| Ford Motor Company | USA |
| General Motors | USA |
| General Motors | USA |
| General Motors | USA |
| General Motors | USA |
| George Washington University | USA |
| Honda R&D | USA |
| LE Jones | USA |
| Lubrizol Corporation | USA |
| Mobil | USA |
| Mobil | USA |
| N.A.S.A Lewis | USA |
| Northwest University, Evanston | USA |
| Norton Corporation | USA |
| Oakridge National Research Laboratories | USA |
| South West Research Institute | USA |
| SWRI | USA |
| Timken | USA |
| Toyota | USA |
| Uniroyal Chemical Company | USA |
| Wright Patterson AFB | USA |
| Wright Patterson AFB | USA |