| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AFH INVESTMENTS LIMITED | 05193755 | 30/07/2004 | Dissolved |
| B.F.H. Welding Plant Ltd | 01070652 | 30/11/1991 | Dissolved |
| BFH INVESTMENTS LIMITED | 05193520 | 30/07/2004 | Dissolved |
| Metal Protections (Gwent) Ltd | 01479492 | 18/02/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AEL-Y-DON PROPERTY MANAGEMENT LIMITED | 02497655 | 04/10/2000 | 22/03/2017 | One Red Flag |
| ANDREW SCOTT LTD. | 00406516 | 29/08/1996 | 03/04/2014 | Bronze |
| BCSA LIMITED | 00895252 | 14/07/1994 | 08/02/2006 | Gold |
| BRAITHWAITE ENGINEERS LIMITED | 02193090 | 18/02/1992 | 03/03/2014 | One Red Flag |
| INDUSTRIAL PLANNERS AND CONSTRUCTORS LIMITED | 02492385 | 27/03/1992 | 30/06/2014 | Dissolved |
| ROWECORD ENGINEERING LIMITED | 00923182 | 18/02/1992 | 24/06/2013 | Insolvent |
| ROWECORD HOLDINGS LIMITED | 02737904 | 06/08/1992 | 25/04/2017 | Silver |
| ROWECORD TOTAL ACCESS LIMITED | 01992396 | 07/03/1991 | 03/04/2014 | Silver |
| SOUTH WALES CHAMBER OF COMMERCE, ENTERPRISE AND INDUSTRY LIMITED | 01687863 | 28/11/1992 | 20/07/2004 | One Red Flag |
| STEEL CONSTRUCTION CERTIFICATION SCHEME LIMITED | 02370407 | 14/07/1994 | 13/07/2000 | Bronze |
| STEEL CONSTRUCTION INSTITUTE(THE) | 01916698 | 26/06/1996 | 26/06/1998 | Bronze |
| THE BRITISH CONSTRUCTIONAL STEELWORK ASSOCIATION LIMITED | 02457906 | 14/07/1994 | 13/07/2000 | Bronze |
| UNIFLOC LIMITED | 02028112 | 06/03/1992 | 30/06/2014 | Dissolved |
| VIACON CSP LTD | 02073382 | 22/06/1991 | 15/08/1991 | Not Trading |
| WALTERS ENVIRONMENTAL LIMITED | 01993246 | 29/08/1996 | 22/08/1997 | Silver |