| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 1A Windscreens (Scotland) Ltd | SC179505 | 03/06/1999 | Dissolved |
| Dyson J & Co (Wakefield) Ltd | 00769346 | 13/08/1991 | Dissolved |
| Dyson,J,& Co (Huddersfield) Ltd | 01166910 | 31/12/1991 | Dissolved |
| Gspk Electronics Ltd | 03085234 | 03/01/2001 | Dissolved |
| Keith Walker Associates Ltd | 06562796 | 11/04/2008 | Dissolved |
| MARTEL INSTRUMENTS EBT LIMITED | 06756221 | 09/12/2017 | Not Trading |
| MARTEL INSTRUMENTS HOLDINGS LIMITED | 05889630 | 06/04/2009 | One Red Flag |
| MARTEL INSTRUMENTS LIMITED | 01681996 | 06/04/2009 | Bronze |
| Shakeshaft Electrical Wholesale Ltd | 02209439 | 13/08/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ELECTRICAL DISTRIBUTORS' ASSOCIATION LIMITED | 00466352 | 21/07/1994 | 04/01/1995 | Silver |
| Electricall Ltd | 01166945 | 13/08/1991 | 31/01/1995 | Dissolved |
| Farsight Plc | 03120707 | 22/09/1997 | 14/01/2000 | Dissolved |
| Otra B Ltd | 00132783 | 04/04/1994 | 31/01/1995 | Dissolved |
| Otra D Ltd | 00385551 | 31/12/1991 | 31/01/1995 | Dissolved |
| Prunefruit Ltd | 02994077 | 01/07/1999 | 10/08/2000 | Dissolved |
| SHEFFIELD INSULATIONS LIMITED | 00577389 | 23/05/1995 | 31/10/1996 | Not Trading |
| Silver Shield Screens Ltd | 01347352 | 07/04/1997 | 14/01/2000 | Dissolved |