| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DCIMS LTD | NI665156 | 16/10/2019 | Dissolved |
| Schlumberger Wcp Ltd | FC024690 | 04/08/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAMCO DRILLING GROUP LIMITED | NI020719 | 10/07/1987 | 05/02/2002 | Dissolved |
| CAMCO SOVIET SERVICES LIMITED | 02501634 | 30/04/1999 | 05/02/2002 | Dissolved |
| CENTRE FOR COMPETITIVENESS (NI) LIMITED | NI030353 | 04/07/2007 | 28/10/2009 | Bronze |
| LASALLE ENGINEERING (HOLDINGS) LIMITED | SC130627 | 20/02/1998 | 23/08/2001 | Dissolved |
| LASALLE ENGINEERING (HOLDINGS) LIMITED | SC130627 | 18/12/1996 | 05/02/2002 | Dissolved |
| LASALLE ENGINEERING LIMITED | SC096952 | 20/02/1998 | 23/08/2001 | Dissolved |
| LASALLE ENGINEERING LIMITED | SC096952 | 18/12/1996 | 05/02/2002 | Dissolved |
| MCAVOY MODULAR OFFSITE LIMITED | NI008762 | 19/04/2004 | 31/12/2007 | One Red Flag |
| REDA INDUSTRIES LIMITED | 01866033 | 18/12/1996 | 05/02/2002 | Dissolved |
| REEDHYCALOG UK LIMITED | FC020107 | 10/02/1997 | 26/08/2003 | Dissolved |
| REEDHYCALOG UK LIMITED | SF000712 | 05/02/1997 | 26/08/2003 | Dissolved |
| SCHLUMBERGER TRUST COMPANY LIMITED | 02229322 | 27/11/2001 | 08/04/2004 | Not Trading |
| SCHLUMBERGER WCP LIMITED | NI044704 | 20/11/2002 | 08/04/2004 | Dissolved |