| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| McDermott A P G Services Ltd | SC144658 | 01/02/1996 | Dissolved |
| McDermott Submarine Cable Ltd | 03084277 | 08/03/1996 | Dissolved |
| McDermott Submarine Cable Systems Ltd | 03135382 | 04/04/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACERGY SERVICES LIMITED | 01902584 | 26/03/1993 | 03/04/1998 | Dissolved |
| Aker Oil & Gas Ltd | 02576810 | 01/02/1996 | 07/05/1998 | Dissolved |
| J. Ray McDermott International Services Ltd | 01432856 | 01/02/1996 | 03/04/1998 | Dissolved |
| JAMES R. KNOWLES (WORLDWIDE) LIMITED | 01587680 | 19/07/1991 | 06/11/1991 | Silver |
| James R. Knowles (Europe) Ltd | 02291256 | 14/03/1991 | 06/11/1991 | Dissolved |
| Knowles Management Ltd | 02341235 | 06/08/1991 | 06/11/1991 | Dissolved |
| MACSHELF LTD | 02652842 | 01/02/1996 | 03/04/1998 | Dissolved |
| MCDERMOTT HOLDINGS (U.K.) LIMITED | 02576807 | 01/02/1996 | 05/05/1998 | Bronze |
| MCDERMOTT MARINE CONSTRUCTION LIMITED | 02869047 | 01/02/1996 | 03/04/1998 | One Red Flag |
| McDermott Marine U K Ltd | 02186518 | 01/02/1996 | 03/04/1998 | Dissolved |
| Mentor Engineering Consultants Ltd | 02151688 | 01/02/1996 | 03/04/1998 | Dissolved |
| NORTHERN CONTRACTORS LIMITED | 02032044 | 11/10/1993 | 07/09/1994 | Dissolved |