| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BROCK BROTHERS BUILDERS LIMITED | 00864205 | 18/01/1991 | Gold |
| BROCK BUILDERS (KESSINGLAND) LIMITED | 01563716 | 18/01/1992 | Silver |
| BROCK FMD LIMITED | 03284676 | 27/11/1996 | Silver |
| BURY DESIGN SERVICES LIMITED | 01553410 | 18/01/1991 | Silver |
| K. HOLDINGS (EAST ANGLIA) LIMITED | 01546998 | 18/01/1992 | Silver |
| KNIGHTS WARNER LIMITED | 00383618 | 18/01/1992 | Dissolved |
| KNIGHTS WARNER MAINTENANCE LIMITED | 07885082 | 16/12/2011 | Dissolved |
| LOWESTOFT INCORPORATED CHAMBER OF COMMERCE(THE) | 00193263 | 02/12/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| RJ ELECTRICAL CO. LTD. | 03066549 | 12/01/2000 | 07/08/2017 | Gold |