| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A A Six Ltd | 00261347 | 12/06/1991 | 31/08/1993 | Dissolved |
| APPROVED CABLES INITIATIVE | 06996739 | 01/06/2010 | 14/06/2012 | Gold |
| BRUSH ELECTRICAL ENGINEERING COMPANY LIMITED | 00492844 | 30/05/1992 | 31/08/1993 | Strike Off |
| BRUSH SWITCHGEAR LIMITED | 00304047 | 12/06/1991 | 31/08/1993 | Not Trading |
| CABLE MAKERS PROPERTIES & SERVICES LIMITED | 00459364 | 21/06/2007 | 13/06/2012 | Silver |
| E.C.M.C. PENSION TRUST LIMITED | 00917636 | 19/11/2007 | 13/06/2012 | Silver |
| HAWKER SIDDELEY SWITCHGEAR LIMITED | 00370559 | 11/06/1992 | 31/08/1993 | Silver |
| PERA INTERNATIONAL | 00412652 | 17/12/1991 | 30/06/1993 | Silver |
| PRYSMIAN CABLES & SYSTEMS LIMITED | 00958507 | 05/07/2010 | 21/02/2011 | Gold |
| PRYSMIAN PENSION SCHEME TRUSTEE LIMITED | 05498442 | 30/09/2005 | 05/07/2010 | Not Trading |