| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BIFFA ENVIRONMENTAL MUNICIPAL SERVICES LIMITED | 00905800 | 01/06/1991 | 12/08/1992 | Silver |
| CORY ENVIRONMENTAL LIMITED | 00049722 | 01/06/1992 | 12/08/1992 | Silver |
| Cory Environmental Industrial Cleansing Services Ltd | 01497272 | 01/06/1991 | 12/08/1992 | Dissolved |
| General Contracting Co Ltd | 00574952 | 01/06/1991 | 12/08/1992 | Dissolved |
| NATIONAL CARRIERS LIMITED | 01539187 | 01/06/1991 | 12/08/1992 | Dissolved |
| O.I.L. ENGINEERING LIMITED | SC072717 | 12/06/1996 | 16/05/1997 | Dissolved |
| OCEAN (BFL) LIMITED | 00989696 | 01/06/1991 | 12/08/1992 | Dissolved |
| PETERSON (UNITED KINGDOM) LIMITED | 03311077 | 19/03/1997 | 20/08/1997 | One Red Flag |
| S A C Scientific Ltd | 02226325 | 22/07/1991 | 12/08/1992 | Dissolved |
| TIDEWATER MARINE NORTH SEA LIMITED | 01000605 | 01/08/1995 | 16/05/1997 | Dissolved |