| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| McDermott A P G Services Ltd | SC144658 | 11/11/1997 | Dissolved |
| McDermott Submarine Cable Ltd | 03084277 | 11/11/1997 | Dissolved |
| McDermott Submarine Cable Systems Ltd | 03135382 | 07/03/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACERGY SERVICES LIMITED | 01902584 | 11/11/1997 | 03/04/1998 | Dissolved |
| Aker Oil & Gas Ltd | 02576810 | 11/11/1997 | 07/05/1998 | Dissolved |
| J. Ray McDermott International Services Ltd | 01432856 | 11/11/1997 | 30/07/1999 | Dissolved |
| MCDERMOTT HOLDINGS (U.K.) LIMITED | 02576807 | 11/11/1997 | 30/07/1999 | Bronze |
| MCDERMOTT MARINE CONSTRUCTION LIMITED | 02869047 | 11/11/1997 | 30/07/1999 | One Red Flag |
| McDermott Submarine Cable Ltd | 03084277 | 06/03/1997 | 15/08/1997 | Dissolved |
| Mentor Engineering Consultants Ltd | 02151688 | 11/11/1997 | 29/07/1999 | Dissolved |