| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 00825409 LIMITED | 00825409 | 02/05/1992 | Amber |
| International Offshore Services (Uk) Ltd | 00859495 | 05/04/1992 | Dissolved |
| Jackson Marine Shipping Ltd | 01307872 | 02/05/1992 | Dissolved |
| Ottto Ltd | 01255996 | 16/05/1997 | Dissolved |
| Tidewater Marine Service (U K) Ltd | 00840787 | 05/04/1992 | Dissolved |
| Tidewater Offshore Ltd | SC152520 | 31/05/1996 | Dissolved |
| Zapata Services (Uk) LtD | 01104329 | 02/05/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| O.I.L. ENGINEERING LIMITED | SC072717 | 16/05/1997 | 18/02/1998 | Dissolved |
| OFFSHORE SUPPORT VESSELS IV LIMITED | 00881850 | 02/05/1992 | 08/07/1999 | Bronze |
| TIDEWATER MARINE NORTH SEA LIMITED | 01000605 | 16/05/1997 | 20/06/2001 | Dissolved |
| TIDEWATER SUPPORT SERVICES LIMITED | 00935061 | 16/05/1997 | 20/06/2001 | Silver |