| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AKER DRILLING FLUIDS LIMITED | SC114881 | 11/11/1991 | Insolvent |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Consafe Engineering (U K) Ltd | 01389051 | 20/05/1998 | 09/06/1999 | Dissolved |
| HYDRALIFT HOLDINGS UK LIMITED | 03121604 | 02/12/1997 | 31/12/1999 | Dissolved |
| PROCON ENGINEERING LIMITED | 01201645 | 11/06/1997 | 01/06/1999 | Dissolved |
| PROSAFE (UK) HOLDINGS LIMITED | 03400238 | 08/12/1997 | 24/05/1999 | Dissolved |
| PROSAFE OFFSHORE LIMITED | 03320915 | 08/12/1997 | 24/05/1999 | Gold |
| PROSAFE RIGS LIMITED | 03335284 | 08/12/1997 | 24/05/1999 | Insolvent |
| Ross Offshore (U K) Ltd | 02594321 | 26/10/1995 | 30/09/1997 | Dissolved |
| SDS OFFSHORE LIMITED | 01822670 | 26/10/1995 | 30/09/1997 | Dissolved |
| Shelf Drilling Ltd | 01515543 | 26/10/1995 | 30/09/1997 | Dissolved |
| TECHNIP MARITIME UK LIMITED. | 01177671 | 24/06/1992 | 01/10/1992 | Dissolved |
| TRANSOCEAN DRILLING LIMITED | SC129333 | 26/10/1995 | 30/09/1997 | Dissolved |
| TRANSOCEAN SERVICES UK LIMITED | 02506922 | 30/05/1992 | 30/09/1997 | Dissolved |
| Target Drilling Services U K Ltd | 02219209 | 01/06/1994 | 30/09/1997 | Dissolved |
| Transnor Rig Ltd | 02573756 | 26/02/1991 | 30/09/1997 | Dissolved |
| WILRIG OFFSHORE (UK) LIMITED | 01913362 | 03/07/1995 | 30/09/1997 | Dissolved |
| Wilrig (U K) Ltd | 01949869 | 03/07/1995 | 30/09/1997 | Dissolved |
| Wilrig Holdings (U K) Ltd | 02004151 | 03/07/1995 | 30/09/1997 | Dissolved |