| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Schlumberger Oilfield Uk Plc | NF004024 | 09/10/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BAKER JARDINE AND ASSOCIATES LIMITED | SC095150 | 09/10/2008 | 13/08/2012 | Dissolved |
| CAMCO SOVIET SERVICES LIMITED | 02501634 | 09/10/2008 | 13/08/2012 | Dissolved |
| CORLAX TRADING LIMITED | NI044310 | 31/12/2009 | 13/08/2012 | Dissolved |
| DATA MARINE SYSTEMS (CASPIAN) LIMITED | SC178238 | 09/10/2008 | 30/11/2009 | Dissolved |
| DATA MARINE SYSTEMS LIMITED | SC111399 | 09/10/2008 | 13/08/2012 | Dissolved |
| DIAMOULD LIMITED | 03797278 | 09/10/2008 | 13/08/2012 | Gold |
| DOWELL SCHLUMBERGER STATISTICS LIMITED | 01404023 | 09/10/2008 | 30/11/2009 | Dissolved |
| GEOQUEST HOLDINGS LIMITED | 01478324 | 09/10/2008 | 30/11/2009 | Dissolved |
| GEOQUEST RESERVOIR TECHNOLOGIES LIMITED | 00956324 | 09/10/2008 | 30/11/2009 | Dissolved |
| INSENSYS OIL AND GAS LIMITED | 05961426 | 09/10/2008 | 13/08/2012 | Dissolved |
| LASALLE ENGINEERING (HOLDINGS) LIMITED | SC130627 | 09/10/2008 | 30/11/2009 | Dissolved |
| LASALLE ENGINEERING LIMITED | SC096952 | 09/10/2008 | 30/11/2009 | Dissolved |
| NETWORK OF EXCELLENCE IN TRAINING LIMITED | 04389071 | 09/10/2008 | 13/08/2012 | Dissolved |
| NI004145 LIMITED | NI004145 | 09/10/2008 | 01/08/2012 | Dissolved |
| OPNET INTERNATIONAL LIMITED | SC163889 | 09/10/2008 | 13/08/2012 | Dissolved |
| PHOENIX PETROLEUM SERVICES LIMITED | SC096734 | 09/10/2008 | 13/08/2012 | Dissolved |
| REDA INDUSTRIES LIMITED | 01866033 | 09/10/2008 | 13/08/2012 | Dissolved |
| Reservoir Performance Management Systems Ltd | 03810101 | 09/10/2008 | 31/01/2010 | Dissolved |
| SANGAMO WESTON LIMITED | 00174133 | 09/10/2008 | 30/11/2009 | Dissolved |
| SCHLUMBERGER CAMBRIDGE RESEARCH LIMITED | 00606177 | 09/10/2008 | 13/08/2012 | Gold |
| SCHLUMBERGER DOWELL LIMITED | 01051517 | 09/10/2008 | 30/11/2009 | Dissolved |
| SCHLUMBERGER EVALUATION AND PRODUCTION SERVICES (UK) LIMITED | 00548680 | 09/10/2008 | 13/08/2012 | Dissolved |
| SCHLUMBERGER FINANCE UK LIMITED | 04739100 | 09/10/2008 | 13/08/2012 | Dissolved |
| SCHLUMBERGER OILFIELD UK LIMITED | 04157867 | 09/10/2008 | 13/08/2012 | Bronze |
| SCHLUMBERGER SIS LIMITED | 04830026 | 09/10/2008 | 13/08/2012 | Dissolved |
| SCHLUMBERGER TECHNOLOGIES LIMITED | 00985915 | 09/10/2008 | 13/08/2012 | Dissolved |
| SCHLUMBERGER UK HOLDINGS LIMITED | 01686572 | 09/10/2008 | 13/08/2012 | Gold |
| SCHLUMBERGER UK LIMITED | 07373289 | 20/12/2010 | 13/08/2012 | Silver |
| SCHLUMBERGER WCP LIMITED | NI044704 | 09/10/2008 | 13/08/2012 | Dissolved |
| SEISMOGRAPH SERVICE (ENGLAND) LIMITED | 00479770 | 09/10/2008 | 13/08/2012 | Dissolved |
| SEISMOGRAPH SERVICE (U.K.) LIMITED | 01579378 | 09/10/2008 | 13/08/2012 | Dissolved |
| SEISMOGRAPH SERVICE LIMITED | 00409888 | 09/10/2008 | 13/08/2012 | Dissolved |
| SENSA INTERNATIONAL LIMITED | 04124755 | 09/10/2008 | 13/08/2012 | Dissolved |
| SENSOR DYNAMICS LIMITED | 02514520 | 09/10/2008 | 30/11/2009 | Dissolved |
| SENSOR HIGHWAY LIMITED | 03148432 | 09/10/2008 | 13/08/2012 | Amber |
| SLB UK II LIMITED | 01332348 | 09/10/2008 | 13/08/2012 | Amber |
| V.I.P.S. (VECTOR INTERNATIONAL PROCESSING SYSTEMS) LIMITED | 02824277 | 09/10/2008 | 13/08/2012 | Dissolved |
| WESTERN UK LIMITED | 04000609 | 09/10/2008 | 13/08/2012 | Dissolved |
| WSP UK WATER SERVICES LIMITED | 02386601 | 09/10/2008 | 13/08/2012 | Dissolved |
| WSP WATER SERVICES LATIN AMERICA HOLDINGS LIMITED | 02549037 | 09/10/2008 | 13/08/2012 | Dissolved |
| YORK SENSORS LIMITED | 01805862 | 09/10/2008 | 30/11/2009 | Dissolved |