| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| GEOSOURCE U.K. LIMITED | 00650819 | 01/06/2000 | Dissolved |
| Gearhart Geodata Holdings Ltd | SC096916 | 01/06/2000 | Dissolved |
| Gearhart Geodata Holdings Ltd | SC096916 | 01/06/2000 | Dissolved |
| Gearhart Wireline Holdings Ltd | SC097026 | 01/06/2000 | Dissolved |
| Gearhart Wireline Holdings Ltd | SC097026 | 01/06/2000 | Dissolved |
| Halliburton Energy Services Ltd | 02104899 | 01/06/2000 | Dissolved |
| Halliburton Logging Services (U K) Ltd | SC056358 | 01/06/2000 | Dissolved |
| Halliburton Logging Services (U K) Ltd | SC056358 | 01/06/2000 | Dissolved |
| Halliburton Pension Trustee Ltd | 02654895 | 01/06/2000 | Dissolved |
| OTIS PRESSURE CONTROL LIMITED | 00903762 | 01/06/2000 | Dissolved |
| Tristan Services Ltd | 00919541 | 01/06/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BAKER HUGHES (BJ) LTD. | SC092105 | 12/06/1991 | 03/07/1998 | Not Trading |
| BAROID CORPORATION | 01640428 | 01/06/2000 | 31/07/2003 | Dissolved |
| BAROID LIMITED | 00843209 | 01/06/2000 | 31/07/2003 | Dissolved |
| BH 05 LIMITED | SC061862 | 27/01/1998 | 03/07/1998 | Dissolved |
| Bluefoil | SC117791 | 01/06/2000 | 31/07/2003 | Dissolved |
| D B Stratabit Ltd | SC101981 | 01/06/2000 | 31/07/2003 | Dissolved |
| D B Stratabit Ltd | SC101981 | 01/06/2000 | 03/09/2002 | Dissolved |
| DDPS LIMITED | 01180619 | 01/06/2000 | 31/07/2003 | Dissolved |
| Gearhart (United Kingdom) | SC074679 | 01/06/2000 | 31/07/2003 | Dissolved |
| HALLIBURTON GEODATA | 01141281 | 01/06/2000 | 31/07/2003 | Dissolved |
| HALLIBURTON GEODATA | 01141281 | 01/06/2000 | 03/09/2002 | Dissolved |
| HALLIBURTON MANUFACTURING AND SERVICES LIMITED | 00611451 | 01/06/2000 | 31/07/2003 | Silver |
| HML TRUSTEES LIMITED | SC244164 | 25/02/2003 | 31/07/2003 | Not Trading |
| Hgs | 02075516 | 01/06/2000 | 31/07/2003 | Dissolved |
| KELLOGG BROWN & ROOT HOLDINGS (U.K.) LIMITED | 01870934 | 01/06/2000 | 28/08/2002 | Bronze |
| Numar Uk Ltd | SC144067 | 01/06/2000 | 31/07/2003 | Dissolved |
| ODI SERVICES LIMITED | SC128142 | 21/10/1997 | 03/07/1998 | Dissolved |
| P E S Petroquip Ltd | SC095241 | 01/06/2000 | 31/07/2003 | Dissolved |
| P E S Petroseal Ltd | SC104611 | 01/06/2000 | 31/07/2003 | Dissolved |
| P E S Petroserv Ltd | SC094116 | 01/06/2000 | 31/07/2003 | Dissolved |
| P E S Petrospec Ltd | SC094789 | 01/06/2000 | 31/07/2003 | Dissolved |
| PETROLEUM MANUFACTURING SERVICES LIMITED | SC111835 | 01/06/2000 | 31/07/2003 | Dissolved |
| Pes Trustees Ltd | SC148014 | 01/06/2000 | 31/07/2003 | Dissolved |
| SHAREWELL HORIZONTAL SYSTEMS LIMITED | SC109676 | 27/01/1998 | 03/07/1998 | Dissolved |
| Sperry-Sun (U K) Ltd | 01459631 | 01/06/2000 | 31/07/2003 | Dissolved |
| WELLDYNAMICS INTERNATIONAL LIMITED | SC145181 | 01/06/2000 | 31/07/2003 | Silver |