| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRANDT COMPANY (U.K.) LIMITED (THE) | SC075061 | 29/10/1998 | 15/02/2006 | Dissolved |
| CHARGEWOOD LIMITED | SC146346 | 01/08/1997 | 15/02/2006 | Dissolved |
| COIL SERVICES (NORTH SEA) LIMITED | SC165555 | 25/03/2002 | 15/02/2006 | Dissolved |
| ELMAR CASING LIMITED | SC129804 | 31/08/2001 | 15/02/2006 | Dissolved |
| ELMAR ENGINEERING LIMITED | SC121678 | 31/08/2001 | 15/02/2006 | Dissolved |
| ELMAR RENTAL LIMITED | SC151547 | 31/08/2001 | 15/02/2006 | Dissolved |
| ELMAR SCREENS LIMITED | SC156044 | 31/08/2001 | 15/02/2006 | Dissolved |
| ELMAR SERVICES LIMITED | SC075821 | 31/08/2001 | 15/02/2006 | Dissolved |
| ENACO LIMITED | 01092750 | 01/08/1997 | 15/02/2006 | Dissolved |
| ENACO MUDCAT SYSTEMS LIMITED | SC110053 | 01/08/1997 | 15/02/2006 | Dissolved |
| ENVIRONMENTAL PROCEDURES (U.K.) LIMITED | SC104833 | 25/07/1997 | 15/02/2006 | Dissolved |
| HYDRA RIG UK LIMITED | 02756750 | 02/12/1998 | 15/02/2006 | Dissolved |
| LINALOG LIMITED | 02632091 | 14/12/1996 | 15/02/2006 | Dissolved |
| MORINOAK INTERNATIONAL LIMITED | 02889101 | 11/09/2001 | 15/02/2006 | Dissolved |
| MUD RECOVERY SYSTEMS LIMITED | SC255517 | 13/07/2004 | 15/02/2006 | Dissolved |
| NATIONAL OILWELL VARCO UK LIMITED | 00873028 | 24/07/1997 | 15/02/2006 | Silver |
| NOV ELMAR (MIDDLE EAST) LIMITED | SC151883 | 31/08/2001 | 15/02/2006 | Gold |
| PRESSURE CONTROL ENGINEERING LIMITED | SC092622 | 12/09/1996 | 15/02/2006 | Dissolved |
| RECOVERY SYSTEMS LIMITED | SC152426 | 01/08/1997 | 15/02/2006 | Dissolved |
| RIG TECHNOLOGY LIMITED | SC106193 | 22/05/2001 | 15/02/2006 | Dissolved |
| S S R (INTERNATIONAL) LIMITED | SC077348 | 12/09/1996 | 15/02/2006 | Dissolved |
| TUBOSCOPE HOLDINGS LIMITED | SC169672 | 13/12/1996 | 15/02/2006 | Dissolved |
| TUBOSCOPE PIPELINE SERVICES LIMITED | 02183893 | 14/12/1996 | 15/02/2006 | Dissolved |
| TUBOSCOPE VETCO (U.K.) LIMITED | SC107988 | 02/05/1996 | 15/02/2006 | Dissolved |
| TUBOSCOPE VETCO CAPITAL LIMITED | SC147084 | 26/10/1998 | 15/02/2006 | One Red Flag |
| VARCO (U.K.) LIMITED | SC072199 | 23/08/2001 | 15/02/2006 | Dissolved |
| VARCO UK ACQUISITIONS LIMITED | SC217025 | 06/06/2001 | 15/02/2006 | Dissolved |