| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BAROID CORPORATION | 01640428 | 20/07/1999 | 01/06/2000 | Dissolved |
| BAROID LIMITED | 00843209 | 01/06/1999 | 01/06/2000 | Dissolved |
| Bluefoil | SC117791 | 16/02/2000 | 01/06/2000 | Dissolved |
| D B Stratabit Ltd | SC101981 | 24/06/1999 | 01/06/2000 | Dissolved |
| D B Stratabit Ltd | SC101981 | 31/03/1999 | 01/06/2000 | Dissolved |
| DDPS LIMITED | 01180619 | 01/06/1999 | 01/06/2000 | Dissolved |
| GEOSOURCE U.K. LIMITED | 00650819 | 29/10/1998 | 01/06/2000 | Dissolved |
| Gearhart (United Kingdom) | SC074679 | 29/10/1998 | 01/06/2000 | Dissolved |
| Gearhart Geodata Holdings Ltd | SC096916 | 29/10/1998 | 01/06/2000 | Dissolved |
| Gearhart Geodata Holdings Ltd | SC096916 | 29/10/1998 | 01/06/2000 | Dissolved |
| Gearhart Wireline Holdings Ltd | SC097026 | 29/10/1998 | 01/06/2000 | Dissolved |
| Gearhart Wireline Holdings Ltd | SC097026 | 29/10/1998 | 01/06/2000 | Dissolved |
| HALLIBURTON GEODATA | 01141281 | 29/10/1998 | 01/06/2000 | Dissolved |
| HALLIBURTON GEODATA | 01141281 | 29/10/1998 | 01/06/2000 | Dissolved |
| Halliburton Energy Services Ltd | 02104899 | 29/10/1998 | 01/06/2000 | Dissolved |
| Halliburton Logging Services (U K) Ltd | SC056358 | 29/10/1998 | 01/06/2000 | Dissolved |
| Halliburton Logging Services (U K) Ltd | SC056358 | 29/10/1998 | 01/06/2000 | Dissolved |
| Halliburton Pension Trustee Ltd | 02654895 | 29/10/1998 | 01/06/2000 | Dissolved |
| Hgs | 02075516 | 29/10/1998 | 01/06/2000 | Dissolved |
| KELLOGG BROWN & ROOT (U.K.) LIMITED | 02021947 | 29/10/1998 | 15/10/1999 | Amber |
| KELLOGG BROWN & ROOT (U.K.) LIMITED | 02021947 | 29/10/1998 | 15/10/1999 | Amber |
| KELLOGG BROWN & ROOT HOLDINGS (U.K.) LIMITED | 01870934 | 29/10/1998 | 01/06/2000 | Bronze |
| Numar Uk Ltd | SC144067 | 29/10/1998 | 01/06/2000 | Dissolved |
| OTIS PRESSURE CONTROL LIMITED | 00903762 | 14/12/1998 | 01/06/2000 | Dissolved |
| P E S Petroquip Ltd | SC095241 | 16/02/2000 | 01/06/2000 | Dissolved |
| P E S Petroseal Ltd | SC104611 | 16/02/2000 | 01/06/2000 | Dissolved |
| P E S Petroserv Ltd | SC094116 | 16/02/2000 | 01/06/2000 | Dissolved |
| P E S Petrospec Ltd | SC094789 | 16/02/2000 | 01/06/2000 | Dissolved |
| PETROLEUM MANUFACTURING SERVICES LIMITED | SC111835 | 16/02/2000 | 01/06/2000 | Dissolved |
| Pes Trustees Ltd | SC148014 | 16/02/2000 | 01/06/2000 | Dissolved |
| Sperry-Sun (U K) Ltd | 01459631 | 01/06/1999 | 01/06/2000 | Dissolved |
| Tristan Services Ltd | 00919541 | 29/10/1998 | 01/06/2000 | Dissolved |
| WELLDYNAMICS INTERNATIONAL LIMITED | SC145181 | 02/03/2000 | 01/06/2000 | Silver |
| WLTD LIMITED | 00196631 | 16/09/1999 | 31/01/2000 | Dissolved |