| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CAPITAL COATED STEEL (HOLDINGS) LIMITED | 02664170 | 30/11/1992 | Dissolved |
| CAPITAL COATED STEEL LIMITED | 01066357 | 11/09/1992 | Gold |
| CAPITAL TOPCO LIMITED | 11760169 | 10/01/2019 | Silver |
| CAPITAL TRADING (HOLDINGS) LIMITED | 02663683 | 18/11/1992 | Amber |
| Communication Recruitment Ltd | 02658934 | 27/10/1992 | Dissolved |
| DIAMOND MONITORED ALARM SYSTEMS LIMITED | 05121138 | 06/05/2004 | Dissolved |
| Diamond Alarm Systems Ltd | 04885419 | 02/09/2003 | Dissolved |
| Diamond Alarm Systems Ltd | 04885419 | 02/09/2003 | Dissolved |
| Diamond Surveillance Ltd | 04885413 | 02/09/2003 | Dissolved |
| Diamond Surveillance Ltd | 04885413 | 02/09/2003 | Dissolved |
| FORALL LIMITED | 03255873 | 21/04/1999 | One Red Flag |
| Glen Colliery Ltd | 00554609 | 22/06/1992 | Dissolved |
| MACWARD STEEL SLITTING SERVICES LIMITED | 01214501 | 26/10/1999 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALPHA BUILDING COMPONENTS LIMITED | 01993274 | 07/12/1999 | 28/03/2017 | Dissolved |
| CAPITAL AIR CHARTER HOLDINGS LIMITED | 02658928 | 27/10/1992 | 27/08/2014 | Dissolved |
| GLEN ANTHRACITE DISTRIBUTION LIMITED | 02349812 | 30/04/1992 | 28/01/2002 | Bronze |
| MOULDMATE LIMITED | 02658931 | 27/10/1992 | 30/09/1998 | Dissolved |
| OAKRIDGE CAPITAL LIMITED | 03251229 | 30/12/1999 | 16/10/2008 | Dissolved |
| ODONI-ELWELL LIMITED | 03620581 | 30/12/1999 | 28/03/2017 | Insolvent |
| WALES QUALITY CENTRE | 02239398 | 20/01/2011 | 04/10/2013 | Silver |