Current Members Companies of the Association are given below.
Akzo Nobel Chemicals | Apex Industrial Ghemicals Ltd | Aubin Ltd. | Baker Hughes Inteq | BASF |
BWA Water Additives | BJ Services AS | Castrol Offshore | CECA SA | Champion Technologies |
Clariant Oil Services | ConocoPhillips | Dow | Drilling Specialties Co | Elementis Specialities |
| Emery Oleochemicals | FIS Chemicals | Halliburton Energy Services | Houghton plc | Huntsman Surface Sciences UK Ltd |
Ineos | Kelco Oilfield Group | Kemira | Lamberti Spa | Lonza AG |
| MacDermid | MI SWACO | Multichem | Nalco Ltd. - Energy Services Division | Niche Products |
Petrochem Carless Ltd | Rhodia UK Ltd. | Schlumberger | SIP Ltd. | SNF Group |
| Stepan Europe | Tetra Technologies (UK) Ltd | Thermphos | Weatherford | |
| | | | |
Associate Member Companies are
Chemex International plc | Opus Plus Ltd | | | |